[META] Fix Fetchios lint error

[META] Update Fetchios return value handling
[META] Convert Fetchios to use Result
2026-10-13 03:13:40 +03:00 · 2026-04-10 13:34:54 +03:00 · 2026-04-10 13:34:54 +03:00 · 2026-04-10 13:34:54 +03:00 · 2026-04-10 13:34:54 +03:00 · 2026-04-10 13:33:01 +03:00
68 changed files with 1098 additions and 1103 deletions
@@ -33,6 +33,7 @@ const checkGradeTable = gradesTableContents => {
 }

 const checkTableContents = contents => {
+  cy.get('table tbody').scrollIntoView()
  cy.get('table tbody').within(() => {
    contents.forEach((values, trIndex) => {
      cy.get('tr')
@@ -396,7 +397,6 @@ describe('Basic user', () => {
    cy.contains('Search for courses')
    searchByCourseCode('TKT')
    cy.cs('select-multiple-courses-toggle').should('not.have.class', 'Mui-checked')
-    cy.contains('TKT10004, BSCS2001, 581328, A581328, AYTKT10004')
    cy.contains('Select all search results').should('not.exist')
    cy.cs('select-multiple-courses-toggle').click()
    cy.cs('select-multiple-courses-toggle').should('have.class', 'Mui-checked')
@@ -12,7 +12,7 @@ const save = () => {
 }

 const selectSavedPopulation = name => {
-  cy.cs('history-search').click().type(`${name}{enter}`)
+  cy.cs('history-search').type(`${name}{enter}`)
 }

 const deleteAllSearches = () => {
@@ -214,9 +214,9 @@ describe('Degree programme overview', () => {
        cy.contains('2022')
        cy.contains('48 graduated').trigger('mouseover')
        cy.contains('48 students graduated in year 2022')
-        cy.contains('median study time: 36 months')
-        cy.contains('27 graduated on time')
-        cy.contains('9 graduated max year overtime')
+        cy.contains('median study time: 6 semesters')
+        cy.contains('26 graduated on time')
+        cy.contains('10 graduated max year overtime')
        cy.contains('12 graduated over year late')
      })

@@ -245,7 +245,7 @@ describe('Degree programme overview', () => {
        cy.contains('2021')
        cy.contains('2 graduated').trigger('mouseover')
        cy.contains('2 students graduated in year 2021')
-        cy.contains('median study time: 25 months')
+        cy.contains('median study time: 4.5 semesters')
        cy.contains('1 graduated on time')
        cy.contains('1 graduated max year overtime')
        cy.contains('0 graduated over year late')
@@ -257,7 +257,7 @@ describe('Degree programme overview', () => {
        cy.contains('2023')
        cy.contains('11 graduated').trigger('mouseover')
        cy.contains('11 students graduated in year 2023')
-        cy.contains('median study time: 67 months')
+        cy.contains('median study time: 12 semesters')
        cy.contains('4 graduated on time')
        cy.contains('6 graduated max year overtime')
        cy.contains('1 graduated over year late')
@@ -415,12 +415,12 @@ describe('Degree programme overview', () => {
        cy.get('[aria-label="2020 - 2021, 16. On time."]').trigger('mouseover')
        cy.contains('On time: 16')
        cy.contains("Click a bar to view that year's study track level breakdown")
-        cy.get('[aria-label="2019 - 2020, 23. On time."]').click()
+        cy.get('[aria-label="2019 - 2020, 22. On time."]').click()
        cy.contains('Year 2019 - 2020 by start year')
-        cy.get('[aria-label="MAT-MAT, 14. On time."]').trigger('mouseover')
+        cy.get('[aria-label="MAT-MAT, 13. On time."]').trigger('mouseover')
        cy.contains('Matematiikka')
        cy.contains('MAT-MAT')
-        cy.contains('On time: 14')
+        cy.contains('On time: 13')
      })

      cy.cs('graduation-time-toggle').click()
@@ -429,7 +429,7 @@ describe('Degree programme overview', () => {
        cy.contains('2020 - 2021')
        cy.contains('19 graduated').trigger('mouseover')
        cy.contains('From class of 2020 - 2021, 19/30 students have graduated')
-        cy.contains('median study time: 33 months')
+        cy.contains('median study time: 6 semesters')
        cy.contains('16 graduated on time')
        cy.contains('2 graduated max year overtime')
        cy.contains('1 graduated over year late')
@@ -383,7 +383,7 @@ describe('Population statistics tests', () => {
      cy.contains(nonExisting).should('not.exist')
      cy.contains('button', 'Check student numbers').click()
      cy.contains('Check for student numbers')
-      cy.cs('check-student-numbers').click().type(`${existing}{enter}${nonExisting}`)
+      cy.cs('check-student-numbers').type(`${existing}{enter}${nonExisting}`)
      cy.contains('button', 'Check students').click()
      cy.get('#checkstudentsresults').within(() => {
        cy.cs('found-title').click()
@@ -170,7 +170,7 @@ services:
      - npm_config_cache=/tmp
      - PORT=3003
      - NODE_ENV=dev
-      - DATABASE_URL=postgres://postgres:postgres@jami-db:5432/postgres
+      - DATABASE_URL=postgres://postgres:postgres@jami-db:5432/jami-db-real
    ports:
      - 3003:3003
    container_name: jami
@@ -28,9 +28,10 @@
    "prepare": "husky",
    "rapodiff": "docker exec -t oodikone-backend /opt/app-root/backend/node_modules/.bin/tsx /opt/app-root/backend/src/rapodiff/rapodiff.js",
    "install:local": "npm i && npm i --prefix services/shared && npm i --prefix services/frontend && npm i --prefix services/backend && npm i --prefix updater/sis-updater-scheduler && npm i --prefix updater/sis-updater-worker",
+    "i:both": "npm run install:both",
    "ci:local": "npm ci && npm ci --prefix services/shared && npm ci --prefix services/frontend && npm ci --prefix services/backend && npm ci --prefix updater/sis-updater-scheduler && npm ci --prefix updater/sis-updater-worker",
-    "install:docker": "docker exec frontend npm i && docker exec backend npm i && docker exec sis-updater-scheduler npm i && docker exec oodikone-sis-updater-worker npm i",
-    "ci:docker": "docker exec frontend npm ci && docker exec backend npm ci && docker exec sis-updater-scheduler npm ci && docker exec oodikone-sis-updater-worker npm ci",
+    "install:docker": "docker exec frontend npm i && docker exec backend npm i && docker exec sis-updater-scheduler npm i && docker exec sis-updater-worker npm i",
+    "ci:docker": "docker exec frontend npm ci && docker exec backend npm ci && docker exec sis-updater-scheduler npm ci && docker exec sis-updater-worker npm ci",
    "install:both": "npm run install:local && npm run install:docker",
    "ci:both": "npm run ci:local && npm run ci:docker"
  },
@@ -11,7 +11,6 @@ PROJECT_ROOT="$(git rev-parse --show-toplevel)"
 DUMP_DIR="$PROJECT_ROOT/.databasedumps"
 S3_CONFIG_FILE=~/.s3cfg
 S3_BUCKET="s3://psyduck"
-DOCKER_COMPOSE=$PROJECT_ROOT/docker-compose.yml

 ## Following the naming convention in docker-compose, these are names for database
 ## services. The real data databases inside service will have names suffixed by "-real".
@@ -139,29 +138,6 @@ reset_databases() {
  successmsg "Database setup finished"
 }

-reset_jami_data() {
-  local database="jami-db"
-  local dump_destination="$DUMP_DIR/$database.sql.gz"
-  local s3_path="jami"
-
-  infomsg "Removing old data"
-
-
-
-  infomsg "Removing database and related volume"
-  docker volume rm oodikone-jami-data || warningmsg "This is okay, continuing"
-  docker-compose -f "$DOCKER_COMPOSE" down "$database" || warningmsg "This is okay, continuing"
-
-  infomsg "Starting postgres in the background"
-  docker-compose -f "$DOCKER_COMPOSE" up -d "$database"
-  retry docker-compose -f "$DOCKER_COMPOSE" exec "$database" pg_isready --dbname="postgres"
-
-  infomsg "Populating Jami"
-  docker exec -i "$database" /bin/bash -c "gunzip | psql -U postgres" < "$dump_destination" 2> /dev/null
-  docker-compose stop "$database"
-  msg ""
-}
-
 reset_all_real_data() {
  infomsg "Downloading real data dumps"
  for i in ${!DATABASES[*]}; do
@@ -11,7 +11,6 @@
        "@sentry/profiling-node": "^10.43.0",
        "@types/lodash-es": "^4.17.12",
        "@types/pg": "^8.18.0",
-        "axios": "^1.9.0",
        "bullmq": "^5.53.2",
        "compression": "^1.8.0",
        "cors": "^2.8.5",
@@ -2388,19 +2387,9 @@
      "version": "0.4.0",
      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
+      "dev": true,
      "license": "MIT"
    },
-    "node_modules/axios": {
-      "version": "1.12.0",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.12.0.tgz",
-      "integrity": "sha512-oXTDccv8PcfjZmPGlWsPSwtOJCZ/b6W5jAMCNcfwJbCzDckwG0jrYJFaWH1yvivfCXjVzV/SPDEhMB3Q+DSurg==",
-      "license": "MIT",
-      "dependencies": {
-        "follow-redirects": "^1.15.6",
-        "form-data": "^4.0.4",
-        "proxy-from-env": "^1.1.0"
-      }
-    },
    "node_modules/balanced-match": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -2658,6 +2647,7 @@
      "version": "1.0.8",
      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "dev": true,
      "license": "MIT",
      "dependencies": {
        "delayed-stream": "~1.0.0"
@@ -2818,6 +2808,7 @@
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
+      "dev": true,
      "license": "MIT",
      "engines": {
        "node": ">=0.4.0"
@@ -2958,6 +2949,7 @@
      "version": "2.1.0",
      "resolved": "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz",
      "integrity": "sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==",
+      "dev": true,
      "license": "MIT",
      "dependencies": {
        "es-errors": "^1.3.0",
@@ -3160,30 +3152,11 @@
      "integrity": "sha512-GRnmB5gPyJpAhTQdSZTSp9uaPSvl09KoYcMQtsB9rQoOmzs9dH6ffeccH+Z+cv6P68Hu5bC6JjRh4Ah/mHSNRw==",
      "license": "MIT"
    },
-    "node_modules/follow-redirects": {
-      "version": "1.15.11",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.11.tgz",
-      "integrity": "sha512-deG2P0JfjrTxl50XGCDyfI97ZGVCxIpfKYmfyrQ54n5FO/0gfIES8C/Psl6kWVDolizcaaxZJnTS0QSMxvnsBQ==",
-      "funding": [
-        {
-          "type": "individual",
-          "url": "https://github.com/sponsors/RubenVerborgh"
-        }
-      ],
-      "license": "MIT",
-      "engines": {
-        "node": ">=4.0"
-      },
-      "peerDependenciesMeta": {
-        "debug": {
-          "optional": true
-        }
-      }
-    },
    "node_modules/form-data": {
      "version": "4.0.5",
      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.5.tgz",
      "integrity": "sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w==",
+      "dev": true,
      "license": "MIT",
      "dependencies": {
        "asynckit": "^0.4.0",
@@ -3448,6 +3421,7 @@
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
      "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
+      "dev": true,
      "license": "MIT",
      "dependencies": {
        "has-symbols": "^1.0.3"
@@ -4440,12 +4414,6 @@
        "node": ">= 0.10"
      }
    },
-    "node_modules/proxy-from-env": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
-      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==",
-      "license": "MIT"
-    },
    "node_modules/pstree.remy": {
      "version": "1.1.8",
      "resolved": "https://registry.npmjs.org/pstree.remy/-/pstree.remy-1.1.8.tgz",
@@ -2,7 +2,7 @@
  "name": "backend",
  "private": true,
  "scripts": {
-    "build": "tsc",
+    "build": "tsc -p .",
    "test": "node --import tsx --test --test-reporter spec --test-force-exit"
  },
  "dependencies": {
@@ -11,7 +11,6 @@
    "@sentry/profiling-node": "^10.43.0",
    "@types/lodash-es": "^4.17.12",
    "@types/pg": "^8.18.0",
-    "axios": "^1.9.0",
    "bullmq": "^5.53.2",
    "compression": "^1.8.0",
    "cors": "^2.8.5",
@@ -71,6 +71,9 @@ export class SISStudyRightModel extends Model implements SISStudyRight {
  @Column(DataType.JSONB)
  declare semesterEnrollments: SISStudyRight['semesterEnrollments']

+  @Column(DataType.JSONB)
+  declare transferInfo: SISStudyRight['transferInfo']
+
  @HasMany(() => CreditModel, { foreignKey: 'studyright_id', sourceKey: 'id' })
  declare credits: SISStudyRight['credits']

@@ -1,7 +1,7 @@
-import axios from 'axios'
 import { Router } from 'express'

 import { Release } from '@oodikone/shared/types'
+import { Fetchios } from '@oodikone/shared/util/fetchios'
 import { isDev, isTest } from '../config'

 const router = Router()
@@ -39,16 +39,24 @@ router.get<never, Release[]>('/', async (_, res) => {
    return res.status(200).json(fakeRelease)
  }

-  const response = await axios.get('https://api.github.com/repos/UniversityOfHelsinkiCS/oodikone/releases')
-  const releasesFromAPI: Release[] = response.data.map((release: Record<string, any>) => ({
-    description: release.body,
-    time: release.published_at,
-    title: release.name,
-    version: release.tag_name,
-  }))
+  const { data } = await Fetchios.get<Record<string, any>[]>(
+    'https://api.github.com/repos/UniversityOfHelsinkiCS/oodikone/releases',
+    {}
+  )

-  changelog.data = releasesFromAPI
-  res.status(200).json(releasesFromAPI)
+  if (data) {
+    const releasesFromAPI: Release[] = data.map(release => ({
+      description: release.body,
+      time: release.published_at,
+      title: release.name,
+      version: release.tag_name,
+    }))
+
+    changelog.data = releasesFromAPI
+    res.status(200).json(releasesFromAPI)
+  }
+
+  res.status(500).send()
 })

 export default router
@@ -46,7 +46,7 @@ router.get<never, SearchResBody, SearchReqBody, SearchQuery>('/', async (req, re
  // the students have enrolled to their courses in last 8 months
  // (acual logic a bit different, see Importer)
  const { data: teacherRightsToStudents, error } = importerClient
-    ? await tryCatch<{ data: string[] }>(importerClient.post('/teacher-rights/', { teacherId, studentNumbers }))
+    ? await tryCatch(importerClient.post<string[]>('/teacher-rights/', { teacherId, studentNumbers }, {}))
    : { data: null, error: null }

  if (error) {
@@ -57,7 +57,7 @@ router.post('/update/v2/customlist/:type', async (req: PostCustomListRequest, re
    programmes: refreshProgrammesByList,
  }
  if (typeof typeToJob[type] !== 'function') {
-    return res.status(400).json('Bad job type')
+    return res.status(400).json('Updater does not recognize this job type: ' + type)
  }
  const response = await typeToJob[type](list)
  if (response) {
@@ -3,6 +3,7 @@ import { cloneDeep, omit } from 'lodash-es'
 import { Name, DegreeProgrammeType, Unarray } from '@oodikone/shared/types'
 import { ProgrammeGraduationStats } from '@oodikone/shared/types/studyProgramme'
 import { getGraduationStats, getStudyTrackStats, setGraduationStats, setStudyTrackStats } from '../analyticsService'
+import { GraduationTarget } from '../graduationHelpers'
 import { getGraduationStatsForStudyTrack, GraduationTimes } from '../studyProgramme/studyProgrammeGraduations'
 import { getMedian } from '../studyProgramme/studyProgrammeHelpers'
 import { getStudyRightsInProgramme } from '../studyProgramme/studyRightFinders'
@@ -253,21 +254,22 @@ export const countGraduationTimes = async (faculty: string, programmesOfFaculty:
  } = await getStatsByStartYear(programmesOfFaculty)

  const goals = {
-    bachelor: 36,
-    bcMsCombo: faculty === 'H90' ? 72 : 60,
-    master: 24,
-    doctor: 48,
+    bachelor: GraduationTarget.THREE_YEARS,
+    bcMsCombo: faculty === 'H90' ? GraduationTarget.SIX_YEARS : GraduationTarget.FIVE_YEARS,
+    master: GraduationTarget.TWO_YEARS,
+    doctor: GraduationTarget.FOUR_YEARS,
    exceptions: {
-      MH30_004: 6, // months more
-      '420420-ma': 6,
-      '420074-ma': 6,
-      '420119-ma': 6,
-      MH30_001: 48,
-      '320011-ma': 48,
-      '320001-ma': 48,
-      MH30_003: 42,
-      '320002-ma': 42,
-      '320009-ma': 42,
+      // Exceptions are additions to the base amount
+      MH30_004: GraduationTarget.HALF_YEAR,
+      '420420-ma': GraduationTarget.HALF_YEAR,
+      '420074-ma': GraduationTarget.HALF_YEAR,
+      '420119-ma': GraduationTarget.HALF_YEAR,
+      MH30_001: GraduationTarget.FOUR_YEARS,
+      '320011-ma': GraduationTarget.FOUR_YEARS,
+      '320001-ma': GraduationTarget.FOUR_YEARS,
+      MH30_003: GraduationTarget.THREE_POINT_FIVE_YEARS,
+      '320002-ma': GraduationTarget.THREE_POINT_FIVE_YEARS,
+      '320009-ma': GraduationTarget.THREE_POINT_FIVE_YEARS,
    } as Record<string, number>,
  }

@@ -1,13 +1,27 @@
-export const countTimeCategories = (times: number[], goal: number) => {
+/** Map years to semesters */
+export const GraduationTarget = {
+  HALF_YEAR: 1,
+  ONE_YEAR: 2,
+  TWO_YEARS: 4,
+  THREE_YEARS: 6,
+  THREE_POINT_FIVE_YEARS: 7,
+  FOUR_YEARS: 8,
+  FIVE_YEARS: 10,
+  SIX_YEARS: 12,
+} as const
+
+/** Uses semesters, not months */
+export const countTimeCategories = (times: number[], target: number) => {
  const statistics = { onTime: 0, yearOver: 0, wayOver: 0 }
-  times.forEach(time => {
-    if (time <= goal) {
-      statistics.onTime += 1
-    } else if (time <= goal + 12) {
-      statistics.yearOver += 1
+
+  for (const time of times) {
+    if (time <= target) {
+      statistics.onTime++
+    } else if (time <= target + GraduationTarget.ONE_YEAR) {
+      statistics.yearOver++
    } else {
-      statistics.wayOver += 1
+      statistics.wayOver++
    }
-  })
+  }
  return statistics
 }
@@ -1,11 +1,10 @@
-import axios from 'axios'
-
+import { Fetchios } from '@oodikone/shared/util/fetchios'
 import { isProduction, pateToken } from '../config'
 import { FormattedUser } from '../types'
 import logger from '../util/logger'

-const pateClient = axios.create({
-  baseURL: 'https://api-toska.apps.ocp-prod-0.k8s.it.helsinki.fi/pate/',
+const pateClient = Fetchios.create({
+  baseUrl: 'https://api-toska.apps.ocp-prod-0.k8s.it.helsinki.fi/pate/',
  params: {
    token: pateToken,
  },
@@ -24,7 +23,7 @@ const baseSettings = {
 const sendEmail = async (options = {}) => {
  if (!isProduction) return logger.error('Email sending is disabled in development mode.')
  if (!pateToken) return logger.error('Email sending failed because pate token is missing.')
-  return await pateClient.post('/', options)
+  return await pateClient.post('', options, {})
 }

 export const sendFeedback = async ({ feedbackContent, user }: { feedbackContent: string; user: FormattedUser }) => {
@@ -1,44 +1,45 @@
-const axios = require('axios')
+import { Fetchios } from '@oodikone/shared/util/fetchios'

 const { sisUrl, sisGrapqlAppAccount, sisGrapqlAppKey } = require('../config')
 const { ApplicationError } = require('../util/customErrors')

-const getSisuAccessToken = async eppn => {
+export const getSisuAccessToken = async eppn => {
  const oriAppAuthPath = `${sisUrl}/ori/application-auth`
-  let sisuResponse
-  try {
-    sisuResponse = await axios.post(
-      oriAppAuthPath,
-      {
-        username: sisGrapqlAppAccount,
-        key: sisGrapqlAppKey,
-        executingEppn: eppn,
-      },
-      { 'content-type': 'application/json' }
-    )
-  } catch (error) {
+
+  const { data: sisuResponse, error } = await Fetchios.post(
+    oriAppAuthPath,
+    {
+      username: sisGrapqlAppAccount,
+      key: sisGrapqlAppKey,
+      executingEppn: eppn,
+    },
+    { 'content-type': 'application/json' }
+  )
+
+  if (error) {
    throw new ApplicationError(
      'Could not find the user in Sisu, either with the eppn of the user or the new person.',
      404
    )
  }
-  return sisuResponse.data.authToken
+
+  return sisuResponse.authToken
 }

-const decodeJwtTokenPayloadToObject = token => {
+export const decodeJwtTokenPayloadToObject = token => {
  const payload = token.split('.')[1]
  const paddedPayload = `${payload}==`
  const bufferObj = Buffer.from(paddedPayload, 'base64')
  return JSON.parse(bufferObj.toString('utf-8'))
 }

-const getSisuAuthData = async eppn => {
+export const getSisuAuthData = async eppn => {
  const accessToken = await getSisuAccessToken(eppn)
  const tokenData = decodeJwtTokenPayloadToObject(accessToken)
  return { accessToken, tokenData }
 }

-const personSearchQuery = `query privatePerson($subjectUserId: ID!) {
+export const personSearchQuery = `query privatePerson($subjectUserId: ID!) {
      private_person(id: $subjectUserId) {
          id
          first_name:firstNames
@@ -52,32 +53,17 @@ const personSearchQuery = `query privatePerson($subjectUserId: ID!) {
      }
  }`

-const getGraphqlData = async (accessToken, queryObject) => {
-  const graphQlUrl = `${sisUrl}/api`
-  const authHeader = `Application ${accessToken}`
-  const config = {
-    url: graphQlUrl,
-    method: 'post',
-    headers: {
-      Authorization: authHeader,
-      'Accept-Charset': 'UTF-8',
-      'Content-Type': 'application/json',
-    },
-    data: queryObject,
-  }
-  let graphQlResponse
+export const getGraphqlData = async (accessToken, queryObject) => {
  try {
-    graphQlResponse = await axios(config)
+    const graphQlResponse = await Fetchios.post(`${sisUrl}/api`, queryObject, {
+      headers: {
+        Authorization: `Application ${accessToken}`,
+        'Accept-Charset': 'UTF-8',
+        'Content-Type': 'application/json',
+      },
+    })
+    return graphQlResponse.data.data.private_person
  } catch (error) {
    throw new ApplicationError('Graphql request failed for unclear reasons.', 500)
  }
-  return graphQlResponse.data.data.private_person
-}
-
-module.exports = {
-  getSisuAccessToken,
-  decodeJwtTokenPayloadToObject,
-  getSisuAuthData,
-  personSearchQuery,
-  getGraphqlData,
 }
@@ -78,7 +78,7 @@ export const getOptionsForStudents = (

 export const getCourses = (courses: string[]): Promise<Array<CourseStats>> =>
  CourseModel.findAll({
-    attributes: ['code', 'name', 'substitutions', 'is_study_module'],
+    attributes: ['code', 'name', 'substitutions', 'substitution_groups', 'is_study_module'],
    where: {
      code: { [Op.in]: courses },
    },
@@ -1,46 +1,48 @@
-import axios from 'axios'
 import { Op } from 'sequelize'

+import { Fetchios } from '@oodikone/shared/util/fetchios'
 import { SECRET_TOKEN, SIS_UPDATER_URL } from '../config'
 import { StudyplanModel } from '../models'

-const client = axios.create({ baseURL: SIS_UPDATER_URL })
-const params = { params: { token: SECRET_TOKEN } }
+const client = Fetchios.create({
+  baseUrl: SIS_UPDATER_URL,
+  params: { token: SECRET_TOKEN ?? '' },
+})

 export const abortUpdate = async () => {
-  const response = await client.get('/v1/abort', params)
+  const response = await client.get<{ message: string }>('/v1/abort', {})
  return response.data?.message
 }

 export const updateSISCoursesByCourseCode = async (coursecodes: string[]) => {
  const data = { coursecodes }
-  const response = await client.post('/v1/courses', data, params)
+  const response = await client.post('/v1/courses', data, {})
  return response.data
 }

 export const updateSISMetadata = async () => {
-  const response = await client.get('/v1/meta', params)
+  const response = await client.get('/v1/meta', {})
  return response.data
 }

 export const updateSISProgrammes = async () => {
-  const response = await client.get('/v1/programmes', params)
+  const response = await client.get('/v1/programmes', {})
  return response.data
 }

 export const updateSISRedisCache = async () => {
-  const response = await client.get('/v1/rediscache', params)
+  const response = await client.get('/v1/rediscache', {})
  return response.data
 }

 export const updateSISStudents = async () => {
-  const response = await client.get('/v1/students', params)
+  const response = await client.get('/v1/students', {})
  return response.data
 }

 export const updateSISStudentsByStudentNumber = async (studentnumbers: string[]) => {
  const data = { studentnumbers }
-  const response = await client.post('/v1/students', data, params)
+  const response = await client.post('/v1/students', data, {})
  return response.data
 }

@@ -54,6 +56,6 @@ export const updateSISStudyPlans = async (days: number) => {
    limit: 1000,
  })
  const studentnumbers = result.map(r => r.studentnumber)
-  const response = await client.post('v1/studyplans', { studentnumbers }, params)
+  const response = await client.post('v1/studyplans', { studentnumbers }, {})
  return response.data
 }
@@ -1,5 +1,4 @@
 import * as Sentry from '@sentry/node'
-import { AxiosError } from 'axios'
 import { uniq } from 'lodash-es'

 import type { StudyGuidanceGroup, Tags, TagsByGroupId, GroupsWithTags } from '@oodikone/shared/types/studyGuidanceGroup'
@@ -12,22 +11,23 @@ const importerClient = getImporterClient()
 const getGroupsFromImporter = async (sisPersonId: string): Promise<StudyGuidanceGroup[]> => {
  if (!importerClient || !sisPersonId) return []

-  try {
-    const response: { data: Record<string, StudyGuidanceGroup> } = await importerClient.get(
-      `/person-groups/person/${sisPersonId}`
-    )
+  const { data, error } = await importerClient.get<Record<string, StudyGuidanceGroup>>(
+    `/person-groups/person/${sisPersonId}`,
+    {}
+  )

-    return response?.data ? Object.values(response.data) : []
-  } catch (error) {
+  if (error) {
    logger.error('Could not fetch study guidance groups!')
-    if (error instanceof AxiosError) {
+    if (error instanceof Error) {
      logger.error(error.stack)
-      logger.error(JSON.stringify(error.response?.data))
+      logger.error(JSON.stringify(error.message))
      Sentry.captureException(error)
    }
+
+    return []
  }

-  return []
+  return data ? Object.values(data) : []
 }

 export const getAllGroupsAndStudents = async (sisPersonId: string) => {
@@ -1,4 +1,5 @@
-import dayjs from 'dayjs'
+import dayjs, { Dayjs } from 'dayjs'
+import isSameOrAfter from 'dayjs/plugin/isSameOrAfter'
 import { indexOf, orderBy } from 'lodash-es'

 import {
@@ -10,12 +11,14 @@ import {
  ExtentCode,
  Phase,
  EnrollmentType,
+  TransferInfo,
 } from '@oodikone/shared/types'
 import { ChartGraduationTimes } from '@oodikone/shared/types/graduations'
 import { ProgrammeGraduationStats } from '@oodikone/shared/types/studyProgramme'
 import { mapToProviders } from '@oodikone/shared/util'
 import { getDegreeProgrammeType, getMinimumCreditsOfProgramme, sortByProgrammeCode } from '../../util'
-import { countTimeCategories } from '../graduationHelpers'
+import logger from '../../util/logger'
+import { countTimeCategories, GraduationTarget } from '../graduationHelpers'
 import { getSemestersAndYears } from '../semesters'
 import { getStudyRightThesisCredits, getOrganizationThesisCredits } from './creditGetters'
 import { getGraduatedStats } from './studyProgrammeBasics'
@@ -34,6 +37,8 @@ import {
 } from './studyProgrammeHelpers'
 import { getStudyRightsInProgramme } from './studyRightFinders'

+dayjs.extend(isSameOrAfter)
+
 /**
 * For bachelor + master study right combo. This rules out master's programmes that don't
 * follow the two-phase degree structure (e.g. degree programmes in medicine and dentistry)
@@ -47,19 +52,6 @@ export const shouldIncludeComboStats = async (studyProgramme: string) => {
  return minimumCredits !== null && minimumCredits <= 180
 }

-const calculateAbsenceInMonths = (
-  absence: Awaited<ReturnType<typeof getSemestersAndYears>>['semesters'][string],
-  startDate: Date,
-  endDate: Date
-) => {
-  if (endDate < absence.startdate || absence.enddate < startDate) {
-    return 0
-  }
-
-  // Without 'true' as the third argument, the result will be truncated, not rounded (e.g. 4.999 would be 4, not 5). This is why we use Math.round() instead
-  return Math.round(dayjs(absence.enddate).diff(absence.startdate, 'months', true))
-}
-
 /**
 * Absence rules:
 * 1. Student can have any number of statutory absences (lakisääteinen poissaolo)
@@ -67,29 +59,58 @@ const calculateAbsenceInMonths = (
 * 2b. If study right started before 1.8.2015, student can have 4 non-statutory absences instead of 2
 *
 * Additional _non-statutory_ absences will consume semesters
+ *
+ * @returns duration of studies in SEMESTERS (not months!)
 */
 export const calculateDurationOfStudies = (
  startDate: Date,
  graduationDate: Date,
  semesterEnrollments: SemesterEnrollment[],
-  semesters: Awaited<ReturnType<typeof getSemestersAndYears>>['semesters']
+  semesters: Awaited<ReturnType<typeof getSemestersAndYears>>['semesters'],
+  transferInfo?: TransferInfo | null
 ) => {
-  const allowedNonStatutoryAbsences = dayjs(startDate).isBefore(dayjs('2015-08-01'), 'day') ? 4 : 2
+  /** Transferred students: unclear whether this should be based on the original start date or not. Likely doesn't matter. */
+  const allowedNonStatutoryAbsences = dayjs(transferInfo?.originalStartDate ?? startDate).isBefore(
+    dayjs('2015-08-01'),
+    'day'
+  )
+    ? 4
+    : 2

-  const semestersWithStatutoryAbsence = semesterEnrollments
-    .filter(enrollment => enrollment.statutoryAbsence)
-    .map(enrollment => enrollment.semester)
+  /** A semester ending and the next one starting overlap, this takes care of that */
+  const getCorrectSemester = (date: Dayjs) =>
+    Object.values(semesters).find(
+      ({ startdate: semesterStart, enddate: semesterEnd }) =>
+        date.isSameOrAfter(semesterStart, 'day') && date.isBefore(semesterEnd, 'day')
+    )?.semestercode

-  const semestersWithNonStatutoryAbsence = semesterEnrollments
-    .filter(enrollment => enrollment.type === EnrollmentType.ABSENT && !enrollment.statutoryAbsence)
-    .map(enrollment => enrollment.semester)
-    .slice(0, allowedNonStatutoryAbsences)
+  const startSemester = getCorrectSemester(dayjs(startDate))
+  const endSemester = getCorrectSemester(dayjs(graduationDate))

-  const monthsToSubtract = [...semestersWithStatutoryAbsence, ...semestersWithNonStatutoryAbsence].reduce(
-    (acc, semester) => acc + calculateAbsenceInMonths(semesters[semester], startDate, graduationDate),
-    0
+  if (!startSemester || !endSemester) {
+    logger.error(`calculateDurationOfStudies(): No semesters found! start={${startDate}}, end={${graduationDate}}`)
+    return -1
+  }
+
+  const validSemesters = semesterEnrollments.filter(se => se.semester <= endSemester && se.semester >= startSemester)
+
+  const semestersWithStatutoryAbsence =
+    validSemesters.filter(e => e.statutoryAbsence).length + (transferInfo?.usedStatutoryAbsenceTerms ?? 0)
+
+  const semestersWithNonStatutoryAbsence = Math.min(
+    validSemesters.filter(enrollment => enrollment.type === EnrollmentType.ABSENT && !enrollment.statutoryAbsence)
+      .length + (transferInfo?.usedAbsenceTerms ?? 0),
+    allowedNonStatutoryAbsences
+  )
+
+  return (
+    (transferInfo?.usedTerms ?? 0) +
+    endSemester -
+    startSemester -
+    semestersWithStatutoryAbsence -
+    semestersWithNonStatutoryAbsence +
+    1
  )
-  return Math.round(dayjs(graduationDate).subtract(monthsToSubtract, 'months').diff(startDate, 'months', true))
 }

 export type GraduationTimes = {
@@ -188,7 +209,13 @@ const getGraduationTimeAndThesisWriterStats = async ({

    const graduationDate = correctStudyRightElement.endDate

-    const duration = calculateDurationOfStudies(startDate, graduationDate, studyRight.semesterEnrollments, semesters)
+    const duration = calculateDurationOfStudies(
+      startDate,
+      graduationDate,
+      studyRight.semesterEnrollments,
+      semesters,
+      studyRight.transferInfo
+    )
    const graduationYear = defineYear(graduationDate, isAcademicYear)

    if (!graduationTimes[graduationYear] || !graduationTimesCombo[graduationYear]) {
@@ -204,7 +231,7 @@ const getGraduationTimeAndThesisWriterStats = async ({

  const goal = await getGoal(studyProgramme)
  const times: ChartGraduationTimes = { medians: [], goal }
-  const comboTimes: ChartGraduationTimes = { medians: [], goal: goal + 36 }
+  const comboTimes: ChartGraduationTimes = { medians: [], goal: goal + GraduationTarget.THREE_YEARS }

  for (const year of years.toReversed()) {
    const median = getMedian(graduationTimes[year])
@@ -219,7 +246,7 @@ const getGraduationTimeAndThesisWriterStats = async ({

    if (doCombo) {
      const median = getMedian(graduationTimesCombo[year])
-      const statistics = countTimeCategories(graduationTimesCombo[year], goal + 36)
+      const statistics = countTimeCategories(graduationTimesCombo[year], goal + GraduationTarget.THREE_YEARS)
      comboTimes.medians.push({
        y: median,
        amount: graduationTimesCombo[year].length,
@@ -6,6 +6,7 @@ import { DegreeProgrammeType, Phase } from '@oodikone/shared/types'
 import { programmeCodes } from '../../config/programmeCodes'
 import { ProgrammeModuleModel } from '../../models'
 import { getDegreeProgrammeType } from '../../util'
+import { GraduationTarget } from '../graduationHelpers'

 export function getYearsArray(since: number, isAcademicYear: true, yearsCombined?: boolean): string[]
 export function getYearsArray(since: number, isAcademicYear: false, yearsCombined: true): Array<'Total' | number>
@@ -44,15 +45,16 @@ export const getStatsBasis = (years: Array<string | number>) => {
 }

 export const getMedian = (values: number[]) => {
-  if (values.length === 0) {
-    return 0
+  if (!values.length) return 0
+
+  // compareFn mandatory
+  const sorted = values.toSorted((a, b) => a - b)
+
+  const half = Math.floor(sorted.length / 2)
+  if (sorted.length % 2) {
+    return sorted[half]
  }
-  values.sort((a, b) => a - b)
-  const half = Math.floor(values.length / 2)
-  if (values.length % 2) {
-    return values[half]
-  }
-  return (values[half - 1] + values[half]) / 2.0
+  return (sorted[half - 1] + sorted[half]) / 2.0
 }

 export function defineYear(date: Date, isAcademicYear: true): string
@@ -183,9 +185,9 @@ export const getGoal = async (programme?: string) => {
    return 0
  }
  if ([DegreeProgrammeType.DOCTOR, DegreeProgrammeType.LICENTIATE].includes(degreeProgrammeType)) {
-    return 48
+    return GraduationTarget.FOUR_YEARS
  }
-  return (minimumCredits / 60) * 12
+  return ((minimumCredits / 60) * 12) / 6 // 60 Credits per year divided to semesters
 }

 export const isRelevantProgramme = (code: string) => /^(KH|MH)\d{2}_\d{3}$/.test(code) || /^T\d{6}$/.test(code)
@@ -14,15 +14,18 @@ export const getStudyRightsInProgramme = async (
    where.graduated = true
  }

-  const studyRights = await SISStudyRightModel.findAll({
-    attributes: ['id'],
-    include: {
-      model: SISStudyRightElementModel,
-      as: 'studyRightElements',
-      attributes: [],
-      where,
-    },
-  })
+  const studyRightIds = (
+    await SISStudyRightModel.findAll({
+      attributes: ['id'],
+      include: {
+        model: SISStudyRightElementModel,
+        as: 'studyRightElements',
+        attributes: [],
+        where,
+      },
+      raw: true,
+    })
+  ).map(sr => sr.id)

  const include: Includeable[] = [
    {
@@ -54,11 +57,11 @@ export const getStudyRightsInProgramme = async (

  return (
    await SISStudyRightModel.findAll({
-      attributes: ['id', 'extentCode', 'semesterEnrollments', 'studentNumber'],
+      attributes: ['id', 'extentCode', 'semesterEnrollments', 'studentNumber', 'transferInfo'],
      include,
      where: {
        id: {
-          [Op.in]: studyRights.map(studyRight => studyRight.toJSON().id),
+          [Op.in]: studyRightIds,
        },
      },
    })
@@ -10,7 +10,7 @@ import {
  SemesterEnrollment,
 } from '@oodikone/shared/types'
 import { createLocaleComparator, keysOf } from '../../util'
-import { countTimeCategories } from '../graduationHelpers'
+import { countTimeCategories, GraduationTarget } from '../graduationHelpers'
 import { getSemestersAndYears } from '../semesters'
 import { getDateOfFirstSemesterPresent } from './studyProgrammeBasics'
 import { calculateDurationOfStudies, shouldIncludeComboStats } from './studyProgrammeGraduations'
@@ -39,7 +39,7 @@ const getGraduationTimeStats = async (
  combinedProgramme?: string
 ) => {
  const goal = await getGoal(combinedProgramme ?? studyProgramme)
-  const finalGraduationTimes = { goals: { basic: goal, combo: goal + 36 } }
+  const finalGraduationTimes = { goals: { basic: goal, combo: goal + GraduationTarget.THREE_YEARS } }

  const calculateGraduationTimes = (
    graduationTimes: Record<string, Record<string, number[]>>,
@@ -276,7 +276,13 @@ const getMainStatsByTrackAndYear = async (

    const graduationDate = studyRightElement.endDate

-    const duration = calculateDurationOfStudies(startDate, graduationDate, studyRight.semesterEnrollments, semesters)
+    const duration = calculateDurationOfStudies(
+      startDate,
+      graduationDate,
+      studyRight.semesterEnrollments,
+      semesters,
+      studyRight.transferInfo
+    )

    if (countAsBachelorMaster) {
      if (!graduationTimesCombo[programmeOrStudyTrack]) {
@@ -313,7 +319,8 @@ const getMainStatsByTrackAndYear = async (
      bachelorStartDate,
      studyRight.studyRightElements.find(element => element.code === combinedProgramme)!.endDate,
      studyRight.semesterEnrollments,
-      semesters
+      semesters,
+      studyRight.transferInfo
    )
    if (graduationTimesCombinedProgrammeCombo[combinedProgramme!][startYearInNewBachelorProgramme]) {
      graduationTimesCombinedProgrammeCombo[combinedProgramme!][startYearInNewBachelorProgramme].push(combinedDuration)
@@ -1,11 +1,10 @@
-import axios from 'axios'
-
+import { Fetchios } from '@oodikone/shared/util/fetchios'
 import { importerToken, importerUrl } from '../config'
 import logger from './logger'

-const importerClient = axios.create({
+const importerClient = Fetchios.create({
  headers: { token: importerToken },
-  baseURL: importerUrl,
+  baseUrl: importerUrl,
  timeout: 10000,
 })

@@ -1,12 +1,12 @@
 import * as Sentry from '@sentry/node'
-import axios from 'axios'
+import { Fetchios } from '@oodikone/shared/util/fetchios'

 import { importerToken, isStaging, jamiUrl } from '../config'
 import { IamAccess } from '../types'
 import logger from './logger'

-const jamiClient = axios.create({
-  baseURL: jamiUrl,
+const jamiClient = Fetchios.create({
+  baseUrl: jamiUrl,
  params: {
    token: importerToken,
  },
@@ -24,29 +24,34 @@ export const getUserIamAccess = async (
 ): Promise<UserIamAccess> => {
  if (iamGroups.length === 0) return {}

-  try {
-    const { data } = await jamiClient.post('/', {
+  const { data, error } = await jamiClient.post<Pick<UserIamAccess, 'specialGroup'>>(
+    '',
+    {
      userId: sisPersonId,
      getSisuAccess: !isStaging && !!sisPersonId,
      iamGroups,
-    })
+    },
+    {}
+  )

+  if (error === null) {
    const { specialGroup, ...resetOfIamAccess } = data
    return { iamAccess: resetOfIamAccess, specialGroup }
-  } catch (error) {
-    if (attempt > 3) {
-      logger.error('[Jami] error: ', error)
-      Sentry.captureException(error)
-      return {}
-    }
-
-    return getUserIamAccess(sisPersonId, iamGroups, attempt + 1)
  }
+
+  if (attempt > 3) {
+    logger.error('[Jami] error: ', error)
+    Sentry.captureException(error)
+    return {}
+  }
+
+  return getUserIamAccess(sisPersonId, iamGroups, attempt + 1)
 }

 export const getUserIams = async (userId: string) => {
  try {
-    const { data } = await jamiClient.get(`/${userId}`)
+    const { data } = await jamiClient.get<any>(userId, {})
+
    return data.iamGroups as string[]
  } catch (error: any) {
    if (error.response.status !== 404) {
@@ -65,12 +70,12 @@ type Access = {
 }

 export const getAllUserAccess = async (userIds: string[]) => {
-  const { data } = await jamiClient.post('access-and-special-groups', { userIds })
+  const { data } = await jamiClient.post('access-and-special-groups', { userIds }, {})
  return data as Access[]
 }

 jamiClient
-  .get('/ping', { timeout: 4000 })
+  .get('ping', { timeout: 4000 })
  .then(() => {
    logger.info('JAMI connected')
  })
@@ -17,7 +17,8 @@
    "sourceMap": true,
    "sourceRoot": "/",
    "inlineSources": true,
-    "resolveJsonModule": true
+    "resolveJsonModule": true,
+    "types": ["node"]
  },
  "include": ["index.ts", "src", "tests"],
  "exclude": ["../frontend"]
@@ -17,7 +17,6 @@
        "@sentry/browser": "^10.43.0",
        "@tanstack/react-table": "^8.21.3",
        "@types/lodash-es": "^4.17.12",
-        "axios": "^1.9.0",
        "dayjs": "^1.11.13",
        "highcharts": "^11.4.8",
        "lodash-es": "^4.17.23",
@@ -2257,23 +2256,6 @@
        "vite": "^4 || ^5 || ^6 || ^7"
      }
    },
-    "node_modules/asynckit": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
-      "license": "MIT"
-    },
-    "node_modules/axios": {
-      "version": "1.12.0",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.12.0.tgz",
-      "integrity": "sha512-oXTDccv8PcfjZmPGlWsPSwtOJCZ/b6W5jAMCNcfwJbCzDckwG0jrYJFaWH1yvivfCXjVzV/SPDEhMB3Q+DSurg==",
-      "license": "MIT",
-      "dependencies": {
-        "follow-redirects": "^1.15.6",
-        "form-data": "^4.0.4",
-        "proxy-from-env": "^1.1.0"
-      }
-    },
    "node_modules/babel-plugin-macros": {
      "version": "3.1.0",
      "resolved": "https://registry.npmjs.org/babel-plugin-macros/-/babel-plugin-macros-3.1.0.tgz",
@@ -2299,19 +2281,6 @@
        "url": "https://github.com/sponsors/wooorm"
      }
    },
-    "node_modules/call-bind-apply-helpers": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
-      "integrity": "sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==",
-      "license": "MIT",
-      "dependencies": {
-        "es-errors": "^1.3.0",
-        "function-bind": "^1.1.2"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
    "node_modules/callsites": {
      "version": "3.1.0",
      "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -2380,18 +2349,6 @@
        "node": ">=6"
      }
    },
-    "node_modules/combined-stream": {
-      "version": "1.0.8",
-      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
-      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
-      "license": "MIT",
-      "dependencies": {
-        "delayed-stream": "~1.0.0"
-      },
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
    "node_modules/comma-separated-tokens": {
      "version": "2.0.3",
      "resolved": "https://registry.npmjs.org/comma-separated-tokens/-/comma-separated-tokens-2.0.3.tgz",
@@ -2484,15 +2441,6 @@
        "url": "https://github.com/sponsors/wooorm"
      }
    },
-    "node_modules/delayed-stream": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
-      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.4.0"
-      }
-    },
    "node_modules/dequal": {
      "version": "2.0.3",
      "resolved": "https://registry.npmjs.org/dequal/-/dequal-2.0.3.tgz",
@@ -2525,20 +2473,6 @@
        "csstype": "^3.0.2"
      }
    },
-    "node_modules/dunder-proto": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
-      "integrity": "sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==",
-      "license": "MIT",
-      "dependencies": {
-        "call-bind-apply-helpers": "^1.0.1",
-        "es-errors": "^1.3.0",
-        "gopd": "^1.2.0"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
    "node_modules/error-ex": {
      "version": "1.3.2",
      "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
@@ -2548,51 +2482,6 @@
        "is-arrayish": "^0.2.1"
      }
    },
-    "node_modules/es-define-property": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz",
-      "integrity": "sha512-e3nRfgfUZ4rNGL232gUgX06QNyyez04KdjFrF+LTRoOXmrOgFKDg4BCdsjW8EnT69eqdYGmRpJwiPVYNrCaW3g==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
-    "node_modules/es-errors": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz",
-      "integrity": "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
-    "node_modules/es-object-atoms": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.1.tgz",
-      "integrity": "sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA==",
-      "license": "MIT",
-      "dependencies": {
-        "es-errors": "^1.3.0"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
-    "node_modules/es-set-tostringtag": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz",
-      "integrity": "sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==",
-      "license": "MIT",
-      "dependencies": {
-        "es-errors": "^1.3.0",
-        "get-intrinsic": "^1.2.6",
-        "has-tostringtag": "^1.0.2",
-        "hasown": "^2.0.2"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
    "node_modules/esbuild": {
      "version": "0.27.3",
      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.27.3.tgz",
@@ -2687,42 +2576,6 @@
      "integrity": "sha512-NKfW6bec6GfKc0SGx1e07QZY9PE99u0Bft/0rzSD5k3sO/vwkVUpDUKVm5Gpp5Ue3YfShPFTX2070tDs5kB9Ng==",
      "license": "MIT"
    },
-    "node_modules/follow-redirects": {
-      "version": "1.15.11",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.11.tgz",
-      "integrity": "sha512-deG2P0JfjrTxl50XGCDyfI97ZGVCxIpfKYmfyrQ54n5FO/0gfIES8C/Psl6kWVDolizcaaxZJnTS0QSMxvnsBQ==",
-      "funding": [
-        {
-          "type": "individual",
-          "url": "https://github.com/sponsors/RubenVerborgh"
-        }
-      ],
-      "license": "MIT",
-      "engines": {
-        "node": ">=4.0"
-      },
-      "peerDependenciesMeta": {
-        "debug": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/form-data": {
-      "version": "4.0.4",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.4.tgz",
-      "integrity": "sha512-KrGhL9Q4zjj0kiUt5OO4Mr/A/jlI2jDYs5eHBpYHPcBEVSiipAvn2Ko2HnPe20rmcuuvMHNdZFp+4IlGTMF0Ow==",
-      "license": "MIT",
-      "dependencies": {
-        "asynckit": "^0.4.0",
-        "combined-stream": "^1.0.8",
-        "es-set-tostringtag": "^2.1.0",
-        "hasown": "^2.0.2",
-        "mime-types": "^2.1.12"
-      },
-      "engines": {
-        "node": ">= 6"
-      }
-    },
    "node_modules/fsevents": {
      "version": "2.3.3",
      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
@@ -2747,82 +2600,6 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
-    "node_modules/get-intrinsic": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz",
-      "integrity": "sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==",
-      "license": "MIT",
-      "dependencies": {
-        "call-bind-apply-helpers": "^1.0.2",
-        "es-define-property": "^1.0.1",
-        "es-errors": "^1.3.0",
-        "es-object-atoms": "^1.1.1",
-        "function-bind": "^1.1.2",
-        "get-proto": "^1.0.1",
-        "gopd": "^1.2.0",
-        "has-symbols": "^1.1.0",
-        "hasown": "^2.0.2",
-        "math-intrinsics": "^1.1.0"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
-    "node_modules/get-proto": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/get-proto/-/get-proto-1.0.1.tgz",
-      "integrity": "sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g==",
-      "license": "MIT",
-      "dependencies": {
-        "dunder-proto": "^1.0.1",
-        "es-object-atoms": "^1.0.0"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
-    "node_modules/gopd": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz",
-      "integrity": "sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
-    "node_modules/has-symbols": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz",
-      "integrity": "sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
-    "node_modules/has-tostringtag": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
-      "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
-      "license": "MIT",
-      "dependencies": {
-        "has-symbols": "^1.0.3"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
-      }
-    },
    "node_modules/hasown": {
      "version": "2.0.2",
      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
@@ -3144,15 +2921,6 @@
        "url": "https://github.com/sponsors/tannerlinsley"
      }
    },
-    "node_modules/math-intrinsics": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
-      "integrity": "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 0.4"
-      }
-    },
    "node_modules/mdast-util-from-markdown": {
      "version": "2.0.2",
      "resolved": "https://registry.npmjs.org/mdast-util-from-markdown/-/mdast-util-from-markdown-2.0.2.tgz",
@@ -3748,27 +3516,6 @@
      ],
      "license": "MIT"
    },
-    "node_modules/mime-db": {
-      "version": "1.52.0",
-      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
-      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
-      "license": "MIT",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/mime-types": {
-      "version": "2.1.35",
-      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
-      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
-      "license": "MIT",
-      "dependencies": {
-        "mime-db": "1.52.0"
-      },
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
    "node_modules/ms": {
      "version": "2.1.3",
      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -3948,12 +3695,6 @@
        "url": "https://github.com/sponsors/wooorm"
      }
    },
-    "node_modules/proxy-from-env": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
-      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==",
-      "license": "MIT"
-    },
    "node_modules/react": {
      "version": "18.3.1",
      "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
@@ -20,7 +20,6 @@
    "@sentry/browser": "^10.43.0",
    "@tanstack/react-table": "^8.21.3",
    "@types/lodash-es": "^4.17.12",
-    "axios": "^1.9.0",
    "dayjs": "^1.11.13",
    "highcharts": "^11.4.8",
    "lodash-es": "^4.17.23",
@@ -1,14 +1,12 @@
 import { createApi, fetchBaseQuery } from '@reduxjs/toolkit/query/react'
-import * as Sentry from '@sentry/browser'
-import axios from 'axios'

 import { showAsUserKey } from '@/common'
 import { apiBasePath, isDev } from '@/conf'
-import { actionHistory } from '@/redux/actionHistory'
 import { formatToArray } from '@oodikone/shared/util'
+import { Fetchios } from '@oodikone/shared/util/fetchios'

 // Set up dev user for development environment, mimicking production admin user
-const baseHeaders = isDev
+const baseHeaders: Record<string, string> = isDev
  ? {
      uid: 'mluukkai',
      displayName: 'Matti Luukkainen',
@@ -31,68 +29,53 @@ const getHeaders = () => {
  return headers
 }

-const api = axios.create({ baseURL: apiBasePath, headers: getHeaders(), timeout: 120_000 })
+const api = Fetchios.create({ baseUrl: apiBasePath })

-const actionTypes = prefix => ({
-  attempt: `${prefix}ATTEMPT`,
-  failure: `${prefix}FAILURE`,
-  success: `${prefix}SUCCESS`,
-})
+type ApiMethods = 'get' | 'post' | 'put' | 'delete'

-export const callApi = async (url, method = 'get', data, params, timeout = 0, progressCallback = null) => {
-  const options = { headers: getHeaders(), timeout }
+/**
+ * Calls API with minimal preprocessing.
+ * NOTE! `data` -attribute has to be JSON.stringified in-order for the predefined
+ *       'Content-Type' to work and the receiving Express instance to parse the body correctly.
+ */
+export const callApi = async (
+  url: string,
+  method: ApiMethods = 'get',
+  data?: any,
+  params: Record<string, any> = {},
+  timeout = 30_000
+) => {
+  const apiRequestController = new AbortController()
+  const signal = timeout !== 0 ? apiRequestController.signal : undefined

-  const onDownloadProgress = ({ loaded, total }) => {
-    if (progressCallback) progressCallback(Math.round((loaded / total) * 100))
+  const options = {
+    params,
+    signal,
+    headers: {
+      'Content-Type': 'application/json',
+      ...getHeaders(),
+    },
  }

+  // const buildUrl = () => e{
+  //   const urlParams = new URLSearchParams(params)
+  //   return apiBasePath + url + urlParams.toString()
+  // }
+
  switch (method) {
    case 'get':
-      return api.get(url, { ...options, params, onDownloadProgress })
+      return api.get(url, options)
    case 'post':
      return api.post(url, data, options)
    case 'put':
      return api.put(url, data, options)
    case 'delete':
-      return api.delete(url, { headers: options.headers, data })
+      return api.delete(url, options)
    default:
-      return Promise.reject(new Error('Invalid http method'))
+      throw new Error('Invalid method used for API call.')
  }
 }

-const handleError = (error, actionHistory = []) => {
-  const { config, request, response } = error
-  if (response && response.status) {
-    Sentry.withScope(scope => {
-      scope.setExtra('config', config)
-      scope.setExtra('request', request)
-      scope.setExtra('response', response)
-      scope.setExtra('actionHistory', JSON.stringify(actionHistory))
-
-      Sentry.captureException(error)
-    })
-  }
-}
-
-export const handleRequest = store => next => async action => {
-  if (action.requestSettings) {
-    const { success, failure } = actionTypes(prefix)
-    const { route, method, data, prefix, query, params, onProgress } = action.requestSettings
-
-    // Based no the previous config. We don't actually care when this finishes.
-    void callApi(route, method, data, params, 0, onProgress)
-      .then(res => store.dispatch({ type: success, response: res.data, query }))
-      .catch(error => {
-        // Handle error first to avoid redux minified error #3 in production.
-        // We don't need to add the error to the actionHistory as it is already passed to Sentry.
-        handleError(error, actionHistory)
-        store.dispatch({ type: failure, response: error, query })
-      })
-  }
-
-  next(action)
-}
-
 // Redux-toolkit query based API
 // Api can be extended with enhanceEndpoints method
 // All tags used for invalidating cache must be defined here
@@ -47,12 +47,11 @@ export const facultyToolTips: Record<string, string> = {
    Toisin sanoen luvut vastaavat *Degree programme overview* -näkymän lukuja, kun näkymässä on valittuna *Special study rights excluded*.

    - **Breakdown**/**Median study times**:
-      - **Breakdown**: Näyttää, kuinka moni opiskelija valmistui tavoiteajassa (vihreä palkki), 12 kuukauden sisällä tavoiteajasta (keltainen palkki) tai tätä myöhemmin (punainen palkki).
-      - **Median study times**: Näyttää kyseisenä kalenteri- tai lukuvuonna aloittaneiden/valmistuneiden opiskelijoiden opintojen keston **mediaanin** kuukausina. Vihreä **katkoviiva** kuvastaa tavoiteaikaa. Keltainen katkoviiva on tavoiteaika + 12 kuukautta.  
+      - **Breakdown**: Näyttää, kuinka moni opiskelija valmistui tavoiteajassa (vihreä palkki), kahden lukukauden sisällä tavoiteajasta (keltainen palkki) tai tätä myöhemmin (punainen palkki).
+      - **Median study times**: Näyttää kyseisenä kalenteri- tai lukuvuonna aloittaneiden/valmistuneiden opiskelijoiden opintojen keston **mediaanin** lukukausina. Vihreä **katkoviiva** kuvastaa tavoiteaikaa. Keltainen katkoviiva on tavoiteaika + 2 lukukautta.  
    - **Graduation year**/**Starting year**:
      - **Graduation year**: Ryhmittelee opiskelijat valmistumisvuosittain (kalenterivuosi).
-      - **Starting year**: Ryhmittelee opiskelijat opiskeluoikeuden alkamisvuoden (lukuvuosi) perusteella. Bachelor + Master -kuvaajassa aloitusvuosi on aloitusvuosi kandiohjelmassa ja koulutusohjelma on maisteriohjelma, johon opiskelija on siirtynyt kandidaatiksi valmistumisen jälkeen.  
- `,
+      - **Starting year**: Ryhmittelee opiskelijat opiskeluoikeuden alkamisvuoden (lukuvuosi) perusteella. Bachelor + Master -kuvaajassa aloitusvuosi on aloitusvuosi kandiohjelmassa ja koulutusohjelma on maisteriohjelma, johon opiskelija on siirtynyt kandidaatiksi valmistumisen jälkeen.`,
  studentProgress: `
    Kuvaa tiedekuntaan kuuluvien eri ohjelmien opinto-oikeudella varustettujen opiskelijoiden etenemistä opintopisteissä mitattuna.
    Esimerkiksi 2021-2022 aloittaneiden opintopistejakaumaa.
@@ -72,22 +72,22 @@ export const studyProgrammeToolTips: Record<string, string> = {
  averageGraduationTimes: `
    Yksittäinen palkki kertoo, kuinka moni opiskelija on valmistunut kyseisenä vuonna/lukuvuonna.

-    Vihreä **vaakapalkki** kuvaa tavoiteajassa valmistuneita, keltainen 12 kuukauden sisällä tavoiteajasta valmistuneita ja punainen yli 12 kuukautta tavoiteajan ylittäneitä.
+    Vihreä **vaakapalkki** kuvaa tavoiteajassa valmistuneita, keltainen kahden lukukauden sisällä tavoiteajasta valmistuneita ja punainen yli 2 lukukautta tavoiteajan ylittäneitä.

-    **Breakdown**: Näyttää, kuinka moni kyseisenä kalenteri- tai lukuvuotena valmistuneista opiskelijoista valmistui tavoiteajassa, 12 kuukauden sisällä tavoiteajasta tai tätä myöhemmin.
+    **Breakdown**: Näyttää, kuinka moni kyseisenä kalenteri- tai lukuvuotena valmistuneista opiskelijoista valmistui tavoiteajassa, kahden lukukauden sisällä tavoiteajasta tai tätä myöhemmin.

-    **Median time**: Näyttää kyseisenä kalenteri- tai lukuvuotena valmistuneiden opiskelijoiden opintojen keston **mediaanin** kuukausina. Vihreä **katkoviiva** kuvastaa tavoiteaikaa. Keltainen katkoviiva on tavoiteaika + 12 kuukautta.
+    **Median time**: Näyttää kyseisenä kalenteri- tai lukuvuotena valmistuneiden opiskelijoiden opintojen keston **mediaanin** kuukausina. Vihreä **katkoviiva** kuvastaa tavoiteaikaa. Keltainen katkoviiva on tavoiteaika + 2 lukukautta.

    Valmistumisajoista on vähennetty lakisääteiset poissaolot.
  `,
  averageGraduationTimesStudyTracks: `
    Yksittäinen palkki kertoo, kuinka moni kyseisenä **lukuvuotena ALOITTANEISTA** opiskelijoista on valmistunut.

-    Vihreä **vaakapalkki** kuvaa tavoiteajassa valmistuneita, keltainen 12 kuukauden sisällä tavoiteajasta valmistuneita ja punainen yli 12 kuukautta tavoiteajan ylittäneitä.
+    Vihreä **vaakapalkki** kuvaa tavoiteajassa valmistuneita, keltainen kahden lukukauden sisällä tavoiteajasta valmistuneita ja punainen yli 2 lukukautta tavoiteajan ylittäneitä.

-    **Breakdown**: Näyttää, kuinka moni kyseisenä lukuvuotena aloittaneista, jo valmistuneista, opiskelijoista valmistui tavoiteajassa, 12 kuukauden sisällä tavoiteajasta tai tätä myöhemmin.
+    **Breakdown**: Näyttää, kuinka moni kyseisenä lukuvuotena aloittaneista, jo valmistuneista, opiskelijoista valmistui tavoiteajassa, kahden lukukauden sisällä tavoiteajasta tai tätä myöhemmin.

-    **Median time**: Näyttää valmistuneiden opiskelijoiden opintojen keston **mediaanin** kuukausina sekä heidän prosentuaalisen osuutensa koko vuosikurssista. Vihreä **katkoviiva** kuvastaa tavoiteaikaa. Keltainen katkoviiva on tavoiteaika + 12 kuukautta.
+    **Median time**: Näyttää valmistuneiden opiskelijoiden opintojen keston **mediaanin** kuukausina sekä heidän prosentuaalisen osuutensa koko vuosikurssista. Vihreä **katkoviiva** kuvastaa tavoiteaikaa. Keltainen katkoviiva on tavoiteaika + 2 lukukautta.

    Valmistumisajoista on vähennetty lakisääteiset poissaolot.

@@ -71,7 +71,8 @@ export const studentNumberFilter = createFilter({
  filter(student, { options }) {
    const { allowlist, blocklist } = options

-    return allowlist.includes(student.studentNumber) && !blocklist.includes(student.studentNumber)
+    // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
+    return allowlist.includes(student.studentNumber) || !blocklist.includes(student.studentNumber)
  },

  render: StudentNumberFilterCard,
@@ -120,11 +120,11 @@ export const MedianBarChart = ({
      yearLabel === 'Start year'
        ? `<b>From class of ${facultyGraph ? name : year}, ${amount}/${getClassSize(code)} students have graduated</b>`
        : `<b>${amount} students graduated in year ${facultyGraph ? name : year}</b>`
-    const timeText = `<br />${sortingText}<br /><b>median study time: ${median} months</b><br />`
+    const timeText = `<br />${sortingText}<br /><b>median study time: ${median} semesters</b><br />`
    const statisticsText = `<br />${statistics.onTime} graduated on time<br />${statistics.yearOver} graduated max year overtime<br />${statistics.wayOver} graduated over year late`

    if (!facultyGraph) {
-      const goalText = realGoal ? `<br /><p><b>** Exceptional goal time: ${realGoal} months **</b></p>` : ''
+      const goalText = realGoal ? `<br /><p><b>** Exceptional goal time: ${realGoal} semesters **</b></p>` : ''
      return `<b>${getFacultyOrProgrammeName(code)}</b> • ${code}<br />${timeText}${statisticsText}${goalText}`
    }
    return `${timeText}${statisticsText}`
@@ -201,7 +201,7 @@ export const MedianBarChart = ({
            color: theme.palette.graduationTimes.onTime,
          },
          {
-            value: goal + 12.1,
+            value: goal + 2.1,
            color: theme.palette.graduationTimes.yearOver,
          },
          {
@@ -230,7 +230,7 @@ export const MedianBarChart = ({
    yAxis: {
      min: 0,
      max: maxValue,
-      title: { text: 'Graduation time (months)' },
+      title: { text: 'Graduation time (semesters)' },
      labels: {
        overflow: 'justify',
      },
@@ -246,7 +246,7 @@ export const MedianBarChart = ({
        {
          color: theme.palette.graduationTimes.yearOver,
          width: 2,
-          value: goal + 12,
+          value: goal + 2,
          dashStyle: 'ShortDash',
        },
      ],
@@ -10,13 +10,14 @@ import { flexRender } from './util'
 export const OodiTableDataRow = <OTData,>(row: Row<OTData>, aggregate = false) => (
  <TableRow key={row.id}>
    {row.getVisibleCells().map(cell => {
-      const { maxSize } = cell.column.columnDef
+      const { size, maxSize } = cell.column.columnDef
      return (
        <TableCell
          className="ot-data-cell"
          key={cell.id}
          sx={{
            ...getCommonPinningStyles(cell.column),
+            width: size ?? undefined,
            maxWidth: maxSize !== Number.MAX_SAFE_INTEGER ? maxSize : '20em',
          }}
        >
@@ -1,19 +1,34 @@
 import TablePagination from '@mui/material/TablePagination'
 import type { Table } from '@tanstack/react-table'
+import { useEffect, useState } from 'react'

 export const OodiTablePagination = <TData,>({ table }: { table: Table<TData> }) => {
  const tableRows = table.getRowCount()
  const pageRowOptions = [100, 200, 500, 1000, tableRows].filter(count => count <= tableRows)

+  const [pagination, setPagination] = useState({
+    pageIndex: 0,
+    pageSize: Math.min(200, tableRows),
+  })
+
+  useEffect(() => table.setPageSize(pagination.pageSize), [pagination.pageSize])
+  useEffect(() => table.setPageIndex(pagination.pageIndex), [pagination.pageIndex])
+
+  useEffect(
+    () =>
+      setPagination({
+        pageIndex: 0,
+        pageSize: Math.max(pagination.pageSize, pageRowOptions[0]),
+      }),
+    [table.getCoreRowModel().rows.length]
+  )
+
  return (
    <TablePagination
      component="div"
      count={table.getFilteredRowModel().rows.length}
-      onPageChange={(_, newPage) => table.setPageIndex(newPage)}
-      onRowsPerPageChange={event => {
-        table.setPageSize(Number(event.target.value))
-        table.setPageIndex(0)
-      }}
+      onPageChange={(_, newPage) => setPagination({ ...pagination, pageIndex: newPage })}
+      onRowsPerPageChange={event => setPagination({ pageIndex: 0, pageSize: Number(event.target.value) })}
      page={table.getState().pagination.pageIndex}
      rowsPerPage={table.getState().pagination.pageSize}
      rowsPerPageOptions={pageRowOptions}
@@ -1,6 +1,6 @@
 import type { ColumnDef, TableOptions } from '@tanstack/react-table'
 import { useReactTable, getCoreRowModel, getPaginationRowModel, getSortedRowModel } from '@tanstack/react-table'
-import { ReactNode, useState } from 'react'
+import type { ReactNode } from 'react'

 import { AggregationRowFeature, VerticalHeaderFeature, ZebrastripesFeature } from './features'
 import { OodiTableContainer } from './OodiTable'
@@ -34,15 +34,8 @@ export const OodiTable = <TData,>({
  toolbarContent?: ReactNode
  cy?: string
 }) => {
-  const [pagination, setPagination] = useState({
-    pageIndex: 0,
-    pageSize: Math.min(200, data.length),
-  })
-
  // should maybe use a deep merging tool or write own
-  const config: Partial<TableOptions<TData>> = {
-    ...options,
-  }
+  const { ...config }: Partial<TableOptions<TData>> = options

  const table = useReactTable<TData>({
    _features: [VerticalHeaderFeature, AggregationRowFeature, ZebrastripesFeature],
@@ -51,9 +44,7 @@ export const OodiTable = <TData,>({
    getCoreRowModel: getCoreRowModel(),
    getPaginationRowModel: getPaginationRowModel(),
    getSortedRowModel: getSortedRowModel(),
-    onPaginationChange: setPagination,
    ...config,
-    state: { pagination, ...config.state },
  })
  return <OodiTableContainer cy={cy} isExportView={isExportView} table={table} toolbarContent={toolbarContent} />
 }
@@ -26,6 +26,11 @@ const getSortingValue = (course: Courses['number'] | undefined) => {
  return 1
 }

+const isCourseCodes = (courses: unknown): courses is string[] => {
+  if (Array.isArray(courses) && courses.length && typeof courses.at(0) === 'string') return true
+  return false
+}
+
 export const useGetColumnDefinitions = (modules: Map<string, CourseTabModule>): ColumnDef<CourseTabStudent, any>[] => {
  const { getTextIn } = useLanguage()
  const theme = useTheme()
@@ -153,35 +158,14 @@ export const useGetColumnDefinitions = (modules: Map<string, CourseTabModule>):
                if (!correctCourse) return null

                const sub = correctCourse.substitutedBy
-                const substitutePrefix = sub ? `Substituting course: ${sub}\n` : ''

-                if (correctCourse.grade) {
-                  const isTransferred = correctCourse.credittypecode === CreditTypeCode.APPROVED
-                  const title =
-                    substitutePrefix +
-                    (isTransferred
-                      ? `Grade: ${correctCourse.grade}\nTransferred on: ${formatDate(correctCourse.completionDate, dateFormat)}`
-                      : `Grade: ${correctCourse.grade}\nCompleted on: ${formatDate(correctCourse.completionDate, dateFormat)}`)
+                if (correctCourse.enrollmentDate) {
+                  const subPrefix =
+                    sub && !isCourseCodes(sub)
+                      ? `Substituted by: ${sub?.map(course => course.course_code)?.join(', ')}\n`
+                      : ''
                  return (
-                    <div title={title}>
-                      {isTransferred ? (
-                        <SwapHorizIcon
-                          sx={{ color: sub ? theme.palette.ooditable.hops : theme.palette.ooditable.success }}
-                        />
-                      ) : (
-                        <CheckIcon
-                          sx={{ color: sub ? theme.palette.ooditable.hops : theme.palette.ooditable.success }}
-                        />
-                      )}
-                    </div>
-                  )
-                } else if (correctCourse.enrollmentDate) {
-                  return (
-                    <div
-                      title={
-                        substitutePrefix + `Last enrollment ${formatDate(correctCourse.enrollmentDate, dateFormat)}`
-                      }
-                    >
+                    <div title={`${subPrefix}Last enrollment ${formatDate(correctCourse.enrollmentDate, dateFormat)}`}>
                      <RemoveIcon
                        sx={{
                          color: isWithinSixMonths(correctCourse.enrollmentDate)
@@ -192,11 +176,45 @@ export const useGetColumnDefinitions = (modules: Map<string, CourseTabModule>):
                    </div>
                  )
                } else if (correctCourse.inHops) {
+                  const subString = sub && isCourseCodes(sub) ? `Substituted by: ${sub?.join(', ')}\n\n` : ''
                  return (
-                    <div title={substitutePrefix + 'In primary studyplan'}>
+                    <div title={`${subString}In primary studyplan`}>
                      <CropSquareIcon sx={{ color: theme.palette.ooditable.hops }} />
                    </div>
                  )
+                } else if (correctCourse.grade) {
+                  // NOTE: Contains only normally-passed-courses because substitutions don't have a grade field
+                  const isTransferred = correctCourse.credittypecode === CreditTypeCode.APPROVED
+                  const title = isTransferred
+                    ? `Grade: ${correctCourse.grade}\nTransferred on: ${formatDate(correctCourse.completionDate, dateFormat)}`
+                    : `Grade: ${correctCourse.grade}\nCompleted on: ${formatDate(correctCourse.completionDate, dateFormat)}`
+
+                  return (
+                    <div title={title}>
+                      {isTransferred ? (
+                        <SwapHorizIcon sx={{ color: theme.palette.ooditable.success }} />
+                      ) : (
+                        <CheckIcon sx={{ color: theme.palette.ooditable.success }} />
+                      )}
+                    </div>
+                  )
+                } else if (sub) {
+                  const subStringPrefix = `Substituted by:\n\n`
+                  const subString = isCourseCodes(sub)
+                    ? subStringPrefix + sub.join(', ')
+                    : subStringPrefix +
+                      sub
+                        .map(
+                          course =>
+                            `${course.course_code}\nGrade: ${course.grade}\nCompleted on: ${formatDate(course.date, dateFormat)}`
+                        )
+                        .join('\n\n')
+
+                  return (
+                    <div title={subString}>
+                      <CheckIcon sx={{ color: theme.palette.ooditable.hops }} />
+                    </div>
+                  )
                }
                return null
              },
@@ -7,7 +7,7 @@ import { useToggle } from '@/hooks/toggle'
 import { ExtendedCurriculumDetails } from '@/hooks/useCurriculums'
 import { FilteredCourse } from '@/util/coursesOfPopulation'
 import { CreditTypeCode, Name, ProgrammeCourse } from '@oodikone/shared/types'
-import { FormattedStudent } from '@oodikone/shared/types/studentData'
+import { FormattedStudent, StudentCourse } from '@oodikone/shared/types/studentData'
 import { IncludeSubstitutionsToggle } from '../../IncludeSubstitutionsToggle'
 import { useGetColumnDefinitions } from './columnDefinitions'

@@ -22,7 +22,7 @@ export type Courses = Record<
  {
    grade?: string
    completionDate?: string
-    substitutedBy?: string
+    substitutedBy?: StudentCourse[] | string[]
    inHops?: boolean
    enrollmentDate?: Date
    passed?: boolean
@@ -48,11 +48,12 @@ const studentMapper = (
  student: FormattedStudent,
  includeSubstitutions: boolean,
  curriculumCourseCodes: string[],
-  substituteToPrimaryCodes: Record<string, string[]>
+  substitutionsForCourseCode: Record<string, string[][]>
 ) => {
  const courseMap = {}

  // NB: there can be many attainments/enrollments for each course code
+  // All passed courses that are included in curriculum
  const passedCourses = student.courses.filter(
    course => curriculumCourseCodes.includes(course.course_code) && course.passed
  )
@@ -61,74 +62,152 @@ const studentMapper = (
    studyPlan.included_courses.filter(code => curriculumCourseCodes.includes(code))
  )

-  const passedSubstituteCourses = student.courses.filter(course => !!substituteToPrimaryCodes[course.course_code])
-  const substituteEnrollments = student.enrollments.filter(
-    enrollment => !!substituteToPrimaryCodes[enrollment.course_code]
-  )
-  const substituteHopsItems = student.studyplans.flatMap(studyPlan =>
-    studyPlan.included_courses.filter(code => !!substituteToPrimaryCodes[code])
+  // All passed courses including random AY-codes etc
+  const allPassedCourseCodes = student.courses.filter(course => course.passed).map(course => course.course_code)
+  const substitutionsToCurriculumCourses = curriculumCourseCodes.reduce<Record<string, string[][]>>((acc, code) => {
+    const substitutionsToCurriculumCourse = substitutionsForCourseCode[code]
+    if (substitutionsToCurriculumCourse) {
+      acc[code] = substitutionsToCurriculumCourse
+    }
+    return acc
+  }, {})
+
+  // curriculumCourseCode -> passedSubstGroup
+  const passedSubstitutionsToCurriculumCourses = Object.keys(substitutionsToCurriculumCourses).reduce<
+    Record<string, StudentCourse[]>
+  >((acc, code) => {
+    const passedSubstitutionGroups = substitutionsToCurriculumCourses[code].filter(substGroup =>
+      substGroup.every(sgCode => allPassedCourseCodes.includes(sgCode))
+    )
+    // TODO: Implement better logic to select the most optimal substitution_groups, now we select shortest and first group
+    // Also this .find (and at(0)!) should never be undefined because the codes are student's completed courses => they exist under student.courses
+    const passedSubstitutionGroupCourses = passedSubstitutionGroups
+      .map(sg => sg.map(code => student.courses.find(course => course.course_code === code)!))
+      .toSorted((a, b) => b.length - a.length)
+      .at(0)! // We know that this will exist
+    if (passedSubstitutionGroups.length) {
+      acc[code] = passedSubstitutionGroupCourses
+    }
+    return acc
+  }, {})
+
+  const enrollmentCodes = enrollments.map(e => e.course_code)
+  const enrollmentsWithSubstitutions = Object.keys(substitutionsToCurriculumCourses).reduce<
+    Record<string, FormattedStudent['enrollments']>
+  >((acc, code) => {
+    const enrolledSubstitutionGroups = substitutionsToCurriculumCourses[code].filter(substGroup =>
+      substGroup.every(sgCode => enrollmentCodes.includes(sgCode))
+    )
+    // TODO: Same as above
+    const enrolledSubstitutionGroupCourses = enrolledSubstitutionGroups
+      .map(sg => sg.map(code => student.enrollments.find(course => course.course_code === code)!))
+      .toSorted((a, b) => b.length - a.length)
+      .at(0)! // We know that this will exist
+    if (enrolledSubstitutionGroupCourses?.length) {
+      acc[code] = enrolledSubstitutionGroupCourses
+    }
+
+    return acc
+  }, {})
+
+  const hopsItemsWithSubstitutions = Object.keys(substitutionsToCurriculumCourses).reduce<Record<string, string[]>>(
+    (acc, code) => {
+      // TODO: Same as above
+      const hopsSubstitutionGroups = substitutionsToCurriculumCourses[code]
+        .filter(substGroup => substGroup.every(sgCode => hopsItems.includes(sgCode)))
+        .toSorted((a, b) => b.length - a.length)
+        .at(0)!
+      if (hopsSubstitutionGroups?.length) {
+        acc[code] = hopsSubstitutionGroups
+      }
+      return acc
+    },
+    {}
  )

-  const mapCourses = (coursesToAdd: typeof passedCourses, substitutions: boolean) => {
+  const mapSubstitutionCourses = (coursesToAdd: typeof passedSubstitutionsToCurriculumCourses) => {
+    for (const [code, substitutionGroup] of Object.entries(coursesToAdd)) {
+      courseMap[code] ??= {
+        substitutedBy: substitutionGroup,
+        exportValue: `Substitutes ${code}`,
+      }
+    }
+  }
+
+  const mapCourses = (coursesToAdd: typeof passedCourses) => {
    for (const course of coursesToAdd) {
-      const codes = substitutions ? substituteToPrimaryCodes[course.course_code] : [course.course_code]
-      codes.forEach(code => {
-        if (!courseMap[code] || compareCourseGrades(courseMap[code], course)) {
-          courseMap[code] = {
-            grade: course.grade,
-            completionDate: course.date,
-            passed: course.passed,
-            substitutedBy: substitutions ? course.course_code : undefined,
-            credittypecode: course.credittypecode,
-            exportValue: course.grade,
-          }
+      const code = course.course_code
+
+      if (!courseMap[code] || compareCourseGrades(courseMap[code], course)) {
+        courseMap[code] = {
+          grade: course.grade,
+          completionDate: course.date,
+          passed: course.passed,
+          substitutedBy: undefined,
+          credittypecode: course.credittypecode,
+          exportValue: course.grade,
        }
-      })
+      }
    }
  }

-  const mapEnrollments = (enrollmentsToAdd: typeof enrollments, substitutions: boolean) => {
+  const mapSubstitutionEnrollments = (enrollmentsToAdd: typeof enrollmentsWithSubstitutions) => {
+    for (const [code, substitutionGroup] of Object.entries(enrollmentsToAdd)) {
+      courseMap[code] ??= {
+        substitutedBy: substitutionGroup,
+        enrollmentDate: substitutionGroup.at(0)!.enrollment_date_time,
+        exportValue: 'HOPS',
+      }
+    }
+  }
+
+  const mapEnrollments = (enrollmentsToAdd: typeof enrollments) => {
    for (const enrollment of enrollmentsToAdd) {
-      const codes = substitutions ? substituteToPrimaryCodes[enrollment.course_code] : [enrollment.course_code]
-      codes.forEach(code => {
-        if (
-          !courseMap[code] ||
-          (!!courseMap[code].enrollmentDate &&
-            new Date(courseMap[code].enrollmentDate) < new Date(enrollment.enrollment_date_time))
-        )
-          courseMap[code] = {
-            enrollmentDate: enrollment.enrollment_date_time,
-            substitutedBy: substitutions ? enrollment.course_code : undefined,
-            exportValue: 'HOPS',
-          }
-      })
-    }
-  }
-
-  const mapHopsSelections = (selectionsToAdd: typeof hopsItems, substitutions: boolean) => {
-    for (const selection of selectionsToAdd) {
-      const codes = substitutions ? substituteToPrimaryCodes[selection] : [selection]
-      codes.forEach(code => {
-        courseMap[code] ??= {
-          inHops: true,
-          substitutedBy: substitutions ? selection : undefined,
+      const code = enrollment.course_code
+      if (
+        !courseMap[code] ||
+        (!!courseMap[code].enrollmentDate &&
+          new Date(courseMap[code].enrollmentDate) < new Date(enrollment.enrollment_date_time))
+      )
+        courseMap[code] = {
+          enrollmentDate: enrollment.enrollment_date_time,
+          substitutedBy: undefined,
          exportValue: 'HOPS',
        }
-      })
    }
  }

-  mapCourses(passedCourses, false)
-  if (includeSubstitutions) mapCourses(passedSubstituteCourses, true)
+  const mapHopsSelections = (selectionsToAdd: typeof hopsItems) => {
+    for (const selection of selectionsToAdd) {
+      const code = selection
+      courseMap[code] ??= {
+        inHops: true,
+        substitutedBy: undefined,
+        exportValue: 'HOPS',
+      }
+    }
+  }
+
+  const mapSubstitutionHopsSelections = (selectionsToAdd: typeof hopsItemsWithSubstitutions) => {
+    for (const [code, substitutionGroup] of Object.entries(selectionsToAdd)) {
+      courseMap[code] ??= {
+        inHops: true,
+        substitutedBy: substitutionGroup,
+        exporValue: 'HOPS',
+      }
+    }
+  }
+
+  mapCourses(passedCourses)
+  if (includeSubstitutions) mapSubstitutionCourses(passedSubstitutionsToCurriculumCourses)
+
+  mapEnrollments(enrollments)
+  if (includeSubstitutions) mapSubstitutionEnrollments(enrollmentsWithSubstitutions)
+
+  mapHopsSelections(hopsItems)
+  if (includeSubstitutions) mapSubstitutionHopsSelections(hopsItemsWithSubstitutions)

  const totalPassed = Object.keys(courseMap).length
-
-  mapEnrollments(enrollments, false)
-  if (includeSubstitutions) mapEnrollments(substituteEnrollments, true)
-
-  mapHopsSelections(hopsItems, false)
-  if (includeSubstitutions) mapHopsSelections(substituteHopsItems, true)
-
  const totalPlanned = Object.keys(courseMap).length - totalPassed

  return {
@@ -163,7 +242,7 @@ const gradeOrdering = ['0', 'Hyl.', 'TT', 'HT', '1', '2', '3', '4', '5', 'Hyv.']
 /**
 * @returns true if current course (the latter) has the same or better grade than old course
 */
-const compareCourseGrades = (previous, current) =>
+const compareCourseGrades = (previous: StudentCourse, current: StudentCourse) =>
  gradeOrdering.indexOf(previous.grade) <= gradeOrdering.indexOf(current.grade)

 export const CoursesTabContainer = ({ curriculum, students, courses }: CoursesTabContainerProps) => {
@@ -182,34 +261,27 @@ export const CoursesTabContainer = ({ curriculum, students, courses }: CoursesTa

  const curriculumCourseCodes = useMemo(() => curriculumCourses.map(course => course.code), [curriculumCourses])

-  const substitutionCourseCodes = useMemo(
+  // All substitution_groups entries as codes
+  const substitutionGroupsCourseCodes = useMemo(
    () =>
      courses
        .filter(course => curriculumCourseCodes.includes(course.course.code))
-        .flatMap(course => course.course.substitutions),
+        .flatMap(course => course.course.substitution_groups?.map(sbGr => sbGr) ?? []),
    [courses, curriculumCourseCodes]
  )

-  /**
-   * Justification for using array:
-   * there are instances where a course substitutes multiple different courses currently present in curriculum
-   * g.g. course code TKT20015 -> BSCS2002/TKT10001 in curriculum 2020-2023
-   * but most of the time there is only one main code
-   */
-  const substituteToPrimaryCodes: Record<string, string[]> = useMemo(
+  // All substitutionGroups for a given course code => course.substitution_groups
+  const substitutionsForCourseCode: Record<string, string[][]> = useMemo(
    () =>
-      courses
-        .filter(course => substitutionCourseCodes.includes(course.course.code))
-        .reduce((acc, course) => {
-          const mainCodes = course.course.substitutions.filter(sub => curriculumCourseCodes.includes(sub))
-          // If no mainCode in curriculum, leave blank as nothing would be shown in course tab anyway
-          if (mainCodes.length) {
-            acc[course.course.code] ??= []
-            acc[course.course.code].push(...mainCodes)
-          }
-          return acc
-        }, {}),
-    [curriculumCourseCodes, substitutionCourseCodes, courses]
+      courses.reduce((acc, course) => {
+        const substitutionGroups = course.course.substitution_groups ?? []
+        if (substitutionGroups.length) {
+          acc[course.course.code] ??= []
+          acc[course.course.code].push(...substitutionGroups.filter(group => group.length))
+        }
+        return acc
+      }, {}),
+    [substitutionGroupsCourseCodes, courses]
  )

  const coursesByParentModule = useMemo(() => {
@@ -232,9 +304,9 @@ export const CoursesTabContainer = ({ curriculum, students, courses }: CoursesTa
  const formattedStudents = useMemo(
    () =>
      students.map(student =>
-        studentMapper(student, includeSubstitutions, curriculumCourseCodes, substituteToPrimaryCodes)
+        studentMapper(student, includeSubstitutions, curriculumCourseCodes, substitutionsForCourseCode)
      ),
-    [students, studentMapper]
+    [students, studentMapper, includeSubstitutions]
  )

  const columns = useGetColumnDefinitions(coursesByParentModule)
@@ -0,0 +1,10 @@
+import Chip from '@mui/material/Chip'
+import { SwapHorizIcon } from '@/theme'
+
+export const GroupChip = ({ group }: { group: string[] }) => (
+  <Chip
+    icon={<SwapHorizIcon color="primary" fontSize="small" />}
+    label={group.join(', ')}
+    sx={{ my: 0.25, width: 'fit-content' }}
+  />
+)
@@ -28,7 +28,7 @@ export const ExpandableRow = ({
  return (
    <TableRow>
      {yearArray?.map((value, index) => (
-        <TableCell align="right" key={getKey(value, index)}>
+        <TableCell align="right" key={getKey(value, index)} sx={{ px: 0.5, py: 0.75 }}>
          {index === 0 ? (
            <Box alignItems="center" display="flex" justifyContent="left">
              <IconButton data-cy={`${cypress}${yearIndex}`} onClick={toggleVisibility} size="small">
@@ -61,7 +61,7 @@ export const MedianTimeBarChart = ({
        ? `<b>From class of ${year}, ${amount}/${classSize} students have graduated</b>`
        : `<b>${amount} students graduated in year ${year}</b>`

-    const timeText = `<br />${sortingText}<br /><b>median study time: ${y} months</b><br />`
+    const timeText = `<br />${sortingText}<br /><b>median study time: ${y} semesters</b><br />`

    const statisticsText = `<br />${statistics.onTime} graduated on time<br />${statistics.yearOver} graduated max year overtime<br />${statistics.wayOver} graduated over year late`

@@ -119,7 +119,7 @@ export const MedianTimeBarChart = ({
            color: '#90A959',
          },
          {
-            value: goal + 12.1,
+            value: goal + 2.1,
            color: '#FEE191',
          },
          {
@@ -141,7 +141,7 @@ export const MedianTimeBarChart = ({
    yAxis: {
      min: 0,
      max: maxValue,
-      title: { text: 'Graduation time (months)' },
+      title: { text: 'Graduation time (semesters)' },
      labels: {
        overflow: 'justify',
      },
@@ -157,7 +157,7 @@ export const MedianTimeBarChart = ({
        {
          color: '#FEE191',
          width: 2,
-          value: goal + 12,
+          value: goal + 2,
          dashStyle: 'ShortDash',
        },
      ],
@@ -6,13 +6,34 @@ import Table from '@mui/material/Table'
 * To be paired with StyledCell
 */
 export const StyledTable = styled(Table, {
-  shouldForwardProp: prop => prop !== 'showCellBorders' && prop !== 'zebraStriped',
-})<{ showCellBorders?: true; zebraStriped?: true }>(({ theme, showCellBorders, zebraStriped }) => {
+  shouldForwardProp: prop =>
+    prop !== 'showCellBorders' && prop !== 'zebraStriped' && prop !== 'slimHeader' && prop !== 'slimBody',
+})<{ showCellBorders?: true; zebraStriped?: true; slimHeader?: true; slimBody?: true }>(({
+  theme,
+  showCellBorders,
+  zebraStriped,
+  slimHeader,
+  slimBody,
+}) => {
  return {
    '&': {
      border: `1px solid ${theme.palette.grey[300]}`,
    },

+    '& .MuiTableHead-root .MuiTableCell-root': slimHeader
+      ? {
+          paddingTop: '0.5em',
+          paddingBottom: '0.5em',
+        }
+      : {},
+
+    '& .MuiTableBody-root .MuiTableCell-root': slimBody
+      ? {
+          paddingTop: '0.5em',
+          paddingBottom: '0.5em',
+        }
+      : {},
+
    '& .MuiTableHead-root': {
      backgroundColor: theme.palette.grey[100],
      border: `1px solid ${theme.palette.grey[300]}`,
@@ -1,11 +1,12 @@
 import Chip from '@mui/material/Chip'

-import { StarIcon, SwapHorizIcon } from '@/theme'
+import { GroupChip } from '@/components/common/EquivalenceGroupChip'
+import { StarIcon } from '@/theme'

 export const PrimaryCourseLabel = ({ code, name }: { code: string; name: string }) => (
  <Chip color={'primary'} icon={<StarIcon fontSize="small" />} label={`${code} • ${name}`} />
 )

 export const SecondaryCourseLabel = ({ code, name }: { code: string; name: string }) => (
-  <Chip icon={<SwapHorizIcon fontSize="small" />} label={`${code} • ${name}`} />
+  <GroupChip group={[`${code} • ${name}`]} />
 )
@@ -1,18 +1,30 @@
-import { MaterialReactTable, MRT_ColumnDef, useMaterialReactTable } from 'material-react-table'
+import { createColumnHelper, TableOptions } from '@tanstack/react-table'
 import { useCallback, useEffect, useMemo, useState } from 'react'
-import { ExportToExcelDialog } from '@/components/common/MRTExcelExport'
 import { TotalsDisclaimer } from '@/components/common/TotalsDisclaimer'
-import { useLanguage } from '@/components/LanguagePicker/useLanguage'
+import { OodiTable } from '@/components/OodiTable'
+import { OodiTableExcelExport } from '@/components/OodiTable/excelExport'
 import { CourseSearchState } from '@/pages/CourseStatistics'
-import { FormattedStats } from '@/types/courseStat'
-import { getDefaultMRTOptions } from '@/util/getDefaultMRTOptions'
+import { FormattedStats, ProgrammeStats } from '@/types/courseStat'
+
 import { queryParamsToString } from '@/util/queryparams'
 import { getGradeSpread, getThesisGradeSpread, isThesisGrades } from '../util'
 import { ObfuscatedCell } from './ObfuscatedCell'
 import { TimeCell } from './TimeCell'
-import { commonOptions, formatPercentage, getGradeColumns, resolveGrades } from './util'
+import { formatPercentage, getGradeColumns, resolveGrades } from './util'

-const getTableData = (stats: FormattedStats[], useThesisGrades: boolean) => {
+type TableData = {
+  name: string
+  code: number
+  totalAttempts: number
+  passed: number
+  failed: number
+  passRate: string
+  enrollments?: number
+  rowObfuscated?: boolean
+  grades: Record<string, number>
+}
+
+const getTableData = (stats: FormattedStats[], useThesisGrades: boolean): TableData[] => {
  return stats.map(stat => {
    const {
      name,
@@ -42,7 +54,7 @@ const getTableData = (stats: FormattedStats[], useThesisGrades: boolean) => {
 }

 export const AttemptsTable = ({
-  data: { name, stats },
+  data: { stats },
  separate,
  showGrades,
  userHasAccessToAllStats,
@@ -50,7 +62,7 @@ export const AttemptsTable = ({
  openOrRegular,
  alternatives,
 }: {
-  data: { name: string; stats: FormattedStats[] }
+  data: ProgrammeStats
  separate: boolean
  showGrades: boolean
  userHasAccessToAllStats: boolean
@@ -58,14 +70,10 @@ export const AttemptsTable = ({
  openOrRegular: CourseSearchState
  alternatives: string[]
 }) => {
-  const { language } = useLanguage()
-
-  const [exportModalOpen, setExportModalOpen] = useState(false)
-  const [exportData, setExportData] = useState<Record<string, unknown>[]>([])
  const [columnVisibility, setColumnVisibility] = useState<Record<string, boolean>>({})

  const showPopulation = useCallback(
-    (yearCode: string) => {
+    (yearCode: number) => {
      const queryObject = {
        from: yearCode,
        to: yearCode,
@@ -81,51 +89,12 @@ export const AttemptsTable = ({

  const useThesisGrades = isThesisGrades(stats[0].attempts.grades)
  const data = useMemo(() => getTableData(stats, useThesisGrades), [stats, useThesisGrades])
-
-  const columns = useMemo<MRT_ColumnDef<any>[]>(
-    () => [
-      {
-        accessorKey: 'name',
-        header: 'Time',
-        Cell: ({ cell, row }) => (
-          <TimeCell
-            href={showPopulation(row.original.code)}
-            isEmptyRow={row.original.totalAttempts === 0}
-            name={cell.getValue<string>()}
-            userHasAccessToAllStats={userHasAccessToAllStats}
-          />
-        ),
-        sortingFn: (rowA, rowB) => rowB.original.code - rowA.original.code,
-      },
-      {
-        accessorKey: 'totalAttempts',
-        header: 'Total attempts',
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<number>()),
-      },
-      {
-        accessorKey: 'passed',
-        header: 'Passed',
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<number>() || 0),
-      },
-      {
-        accessorKey: 'failed',
-        header: 'Failed',
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<number>() || 0),
-      },
-      {
-        accessorKey: 'passRate',
-        header: 'Pass rate',
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<string>()),
-      },
-      {
-        accessorKey: 'enrollments',
-        header: 'Enrollments',
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<number>()),
-      },
-      ...getGradeColumns(resolveGrades(stats)),
-    ],
-    [showPopulation, stats, userHasAccessToAllStats]
-  )
+  const excelData = useMemo(() => {
+    return data.map(({ grades, ...rest }) => ({
+      ...rest,
+      ...Object.fromEntries(Object.entries(grades).map(([key, val]) => [key, val])),
+    }))
+  }, [data])

  useEffect(() => {
    setColumnVisibility(prev => {
@@ -142,51 +111,74 @@ export const AttemptsTable = ({
      updatedVisibility.passRate = !showGrades
      updatedVisibility.enrollments = !showGrades

-      return { ...updatedVisibility }
+      return {
+        ...updatedVisibility,
+        name: true,
+        totalAttempts: true,
+      }
    })
  }, [showGrades, stats])

-  const defaultOptions = getDefaultMRTOptions(setExportData, setExportModalOpen, language)
+  const columnHelper = createColumnHelper<TableData>()
+  const ooditable_columns = useMemo(
+    () => [
+      columnHelper.accessor('name', {
+        header: 'Time',
+        cell: ctx => (
+          <TimeCell
+            href={showPopulation(ctx.row.original.code)}
+            isEmptyRow={ctx.row.original.totalAttempts === 0}
+            name={ctx.getValue()}
+            userHasAccessToAllStats={userHasAccessToAllStats}
+          />
+        ),
+        sortingFn: (rowA, rowB) => rowB.original.code - rowA.original.code,
+      }),
+      columnHelper.accessor('totalAttempts', {
+        header: 'Total attempts',
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue()),
+      }),
+      columnHelper.accessor('passed', {
+        header: 'Passed',
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue() || 0),
+      }),
+      columnHelper.accessor('failed', {
+        header: 'Failed',
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue() || 0),
+      }),
+      columnHelper.accessor('passRate', {
+        header: 'Pass rate',
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue()),
+      }),
+      columnHelper.accessor('enrollments', {
+        header: 'Enrollments',
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue()),
+      }),
+      ...getGradeColumns<TableData>(resolveGrades(stats)),
+    ],
+    [showPopulation, stats, userHasAccessToAllStats]
+  )

-  const table = useMaterialReactTable({
-    ...defaultOptions,
-    ...commonOptions,
-    columns,
-    data,
+  const ooditable_table: Partial<TableOptions<TableData>> = {
+    enableSortingRemoval: false,
    initialState: {
-      ...defaultOptions.initialState,
-      ...commonOptions.initialState,
-    },
-    state: {
-      columnVisibility,
-      columnOrder: [
-        'name',
-        'totalAttempts',
-        'passed',
-        'failed',
-        ...resolveGrades(stats).map(({ key }) => `grades.${key}`),
-        'passRate',
-        'enrollments',
-      ],
+      sorting: [{ id: 'name', desc: false }],
    },
+    state: { columnVisibility },
    onColumnVisibilityChange: setColumnVisibility,
-    muiTableBodyCellProps: {
-      ...defaultOptions?.muiTableHeadCellProps,
-      ...commonOptions?.muiTableBodyCellProps,
-    },
-  })
+  }

  return (
-    <div>
-      <ExportToExcelDialog
-        exportColumns={columns}
-        exportData={exportData}
-        featureName={`attempt_statistics_${name}`}
-        onClose={() => setExportModalOpen(false)}
-        open={exportModalOpen}
+    <>
+      <OodiTable
+        columns={ooditable_columns}
+        data={data}
+        options={ooditable_table}
+        toolbarContent={
+          <OodiTableExcelExport data={excelData} exportColumnKeys={ooditable_table.state?.columnOrder ?? []} />
+        }
      />
-      <MaterialReactTable table={table} />
      <TotalsDisclaimer userHasAccessToAllStats={userHasAccessToAllStats} />
-    </div>
+    </>
  )
 }
@@ -1,18 +1,30 @@
-import { MaterialReactTable, MRT_ColumnDef, useMaterialReactTable } from 'material-react-table'
+import { createColumnHelper, TableOptions } from '@tanstack/react-table'
 import { useCallback, useEffect, useMemo, useState } from 'react'
-import { ExportToExcelDialog } from '@/components/common/MRTExcelExport'
 import { TableHeaderWithTooltip } from '@/components/common/TableHeaderWithTooltip'
 import { TotalsDisclaimer } from '@/components/common/TotalsDisclaimer'
-import { useLanguage } from '@/components/LanguagePicker/useLanguage'
+import { OodiTable } from '@/components/OodiTable'
+import { OodiTableExcelExport } from '@/components/OodiTable/excelExport'
 import { CourseSearchState } from '@/pages/CourseStatistics'
-import { FormattedStats } from '@/types/courseStat'
-import { getDefaultMRTOptions } from '@/util/getDefaultMRTOptions'
+import { FormattedStats, ProgrammeStats } from '@/types/courseStat'
 import { queryParamsToString } from '@/util/queryparams'
 import { ObfuscatedCell } from './ObfuscatedCell'
 import { TimeCell } from './TimeCell'
-import { commonOptions, formatPercentage, getGradeColumns, resolveGrades } from './util'
+import { formatPercentage, getGradeColumns, resolveGrades } from './util'

-const getTableData = (stats: FormattedStats[]) => {
+type TableData = {
+  name: string
+  code: number
+  totalStudents: number
+  passed: number
+  failed: number
+  enrolledNoGrade?: number
+  passRate: string
+  failRate: string
+  grades: Record<string, number>
+  rowObfuscated?: boolean
+}
+
+const getTableData = (stats: FormattedStats[]): TableData[] => {
  return stats.map(stat => ({
    name: stat.name,
    code: stat.code,
@@ -23,11 +35,12 @@ const getTableData = (stats: FormattedStats[]) => {
    passRate: formatPercentage(stat.students.passRate * 100),
    failRate: formatPercentage(stat.students.failRate * 100),
    grades: stat.students.grades,
+    rowObfuscated: stat.rowObfuscated,
  }))
 }

 export const StudentsTable = ({
-  data: { name, stats },
+  data: { stats },
  separate,
  showGrades,
  userHasAccessToAllStats,
@@ -35,7 +48,7 @@ export const StudentsTable = ({
  openOrRegular,
  alternatives,
 }: {
-  data: { name: string; stats: FormattedStats[] }
+  data: ProgrammeStats
  separate: boolean
  showGrades: boolean
  userHasAccessToAllStats: boolean
@@ -43,14 +56,10 @@ export const StudentsTable = ({
  openOrRegular: CourseSearchState
  alternatives: string[]
 }) => {
-  const { language } = useLanguage()
-
-  const [exportModalOpen, setExportModalOpen] = useState(false)
-  const [exportData, setExportData] = useState<Record<string, unknown>[]>([])
  const [columnVisibility, setColumnVisibility] = useState<Record<string, boolean>>({})

  const showPopulation = useCallback(
-    (yearCode: string) => {
+    (yearCode: number) => {
      const queryObject = {
        from: yearCode,
        to: yearCode,
@@ -65,128 +74,111 @@ export const StudentsTable = ({
  )

  const data = useMemo(() => getTableData(stats), [stats])
-
-  const columns = useMemo<MRT_ColumnDef<any>[]>(
-    () => [
-      {
-        accessorKey: 'name',
-        header: 'Time',
-        Cell: ({ cell, row }) => (
-          <TimeCell
-            href={showPopulation(row.original.code)}
-            isEmptyRow={row.original.totalStudents === 0}
-            name={cell.getValue<string>()}
-            userHasAccessToAllStats={userHasAccessToAllStats}
-          />
-        ),
-        sortingFn: (rowA, rowB) => rowB.original.code - rowA.original.code,
-      },
-      {
-        accessorKey: 'totalStudents',
-        header: 'Total students',
-        Header: (
-          <TableHeaderWithTooltip
-            header="Total students"
-            tooltipText="Total count of students, including enrolled students with no grade"
-          />
-        ),
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<number>()),
-      },
-      {
-        accessorKey: 'passed',
-        header: 'Passed',
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<number>() || 0),
-      },
-      {
-        accessorKey: 'failed',
-        header: 'Failed',
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<number>() || 0),
-      },
-      ...getGradeColumns(resolveGrades(stats)),
-      {
-        accessorKey: 'enrolledNoGrade',
-        header: 'Enrolled, no grade',
-        Header: (
-          <TableHeaderWithTooltip
-            header="Enrolled, no grade"
-            tooltipText="Total count of students with a valid enrollment and no passing or failing grade"
-          />
-        ),
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<number>()),
-      },
-      {
-        accessorKey: 'passRate',
-        header: 'Pass rate',
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<number>()),
-      },
-      {
-        accessorKey: 'failRate',
-        header: 'Fail rate',
-        Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : cell.getValue<number>()),
-      },
-    ],
-    [showPopulation, stats, userHasAccessToAllStats]
-  )
+  const excelData = useMemo(() => {
+    return data.map(({ grades, ...rest }) => ({
+      ...rest,
+      ...Object.fromEntries(Object.entries(grades).map(([key, val]) => [key, val])),
+    }))
+  }, [data])

  useEffect(() => {
    setColumnVisibility(prev => {
      const updatedVisibility: Record<string, boolean> = { ...prev }

-      const gradeColumns = resolveGrades(stats).map(({ key }) => `grades.${key}`)
-
-      gradeColumns.forEach(key => {
-        updatedVisibility[key] = showGrades
-      })
+      resolveGrades(stats)
+        .map(({ key }) => `grades.${key}`)
+        .forEach(key => {
+          updatedVisibility[key] = showGrades
+        })

      updatedVisibility.passed = !showGrades
      updatedVisibility.failed = !showGrades

-      return { ...updatedVisibility }
+      return {
+        ...updatedVisibility,
+        name: true,
+        totalStudents: true,
+        enrolledNoGrade: true,
+        passRate: true,
+        failRate: true,
+      }
    })
  }, [showGrades, stats])

-  const defaultOptions = getDefaultMRTOptions(setExportData, setExportModalOpen, language)
+  const columnHelper = createColumnHelper<TableData>()
+  const ooditable_columns = useMemo(
+    () => [
+      columnHelper.accessor('name', {
+        header: 'Time',
+        cell: ctx => (
+          <TimeCell
+            href={showPopulation(ctx.row.original.code)}
+            isEmptyRow={ctx.row.original.totalStudents === 0}
+            name={ctx.getValue()}
+            userHasAccessToAllStats={userHasAccessToAllStats}
+          />
+        ),
+        sortingFn: (rowA, rowB) => rowB.original.code - rowA.original.code,
+      }),
+      columnHelper.accessor('totalStudents', {
+        header: _ => (
+          <TableHeaderWithTooltip
+            header="Total students"
+            tooltipText="Total count of students, including enrolled students with no grade"
+          />
+        ),
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue() || 0),
+      }),
+      columnHelper.accessor('passed', {
+        header: 'Passed',
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue() || 0),
+      }),
+      columnHelper.accessor('failed', {
+        header: 'Failed',
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue() || 0),
+      }),
+      ...getGradeColumns<TableData>(resolveGrades(stats)),
+      columnHelper.accessor('enrolledNoGrade', {
+        header: _ => (
+          <TableHeaderWithTooltip
+            header="Enrolled, no grade"
+            tooltipText="Total count of students with a valid enrollment and no passing or failing grade"
+          />
+        ),
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue()),
+      }),
+      columnHelper.accessor('passRate', {
+        header: 'Pass rate',
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue()),
+      }),
+      columnHelper.accessor('failRate', {
+        header: 'Fail rate',
+        cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : ctx.getValue()),
+      }),
+    ],
+    [showPopulation, stats, userHasAccessToAllStats]
+  )

-  const table = useMaterialReactTable({
-    ...defaultOptions,
-    ...commonOptions,
-    columns,
-    data,
+  const ooditable_table: Partial<TableOptions<TableData>> = {
+    enableSortingRemoval: false,
    initialState: {
-      ...defaultOptions.initialState,
-      ...commonOptions.initialState,
-    },
-    state: {
-      columnVisibility,
-      columnOrder: [
-        'name',
-        'totalStudents',
-        'passed',
-        'failed',
-        ...resolveGrades(stats).map(({ key }) => `grades.${key}`),
-        'enrolledNoGrade',
-        'passRate',
-        'failRate',
-      ],
+      sorting: [{ id: 'name', desc: false }],
    },
+    state: { columnVisibility },
    onColumnVisibilityChange: setColumnVisibility,
-    muiTableBodyCellProps: {
-      ...defaultOptions?.muiTableHeadCellProps,
-      ...commonOptions?.muiTableBodyCellProps,
-    },
-  })
+  }

  return (
-    <div>
-      <ExportToExcelDialog
-        exportColumns={columns}
-        exportData={exportData}
-        featureName={`student_statistics_${name}`}
-        onClose={() => setExportModalOpen(false)}
-        open={exportModalOpen}
+    <>
+      <OodiTable
+        columns={ooditable_columns}
+        data={data}
+        options={ooditable_table}
+        toolbarContent={
+          <OodiTableExcelExport data={excelData} exportColumnKeys={ooditable_table.state?.columnOrder ?? []} />
+        }
      />
-      <MaterialReactTable table={table} />
      <TotalsDisclaimer userHasAccessToAllStats={userHasAccessToAllStats} />
-    </div>
+    </>
  )
 }
@@ -1,3 +1,4 @@
+import { ColumnDef } from '@tanstack/react-table'
 import { flatten } from 'lodash-es'

 import { FAILED_GRADES, NUMERIC_GRADES, OTHER_PASSED_GRADES } from '@/constants/grades'
@@ -8,14 +9,15 @@ export const formatPercentage = (rate: number) => {
  return Number.isNaN(rate) ? '–' : `${rate.toFixed(2)} %`
 }

-export const getGradeColumns = (grades: { key: string; title: string }[]) => {
-  return grades.map(({ key, title }) => ({
+export const getGradeColumns = <T extends { grades; rowObfuscated?: boolean }>(
+  grades: { key: string; title: string }[]
+): ColumnDef<T>[] =>
+  grades.map(({ key, title }) => ({
    id: `grades.${key}`,
    accessorFn: row => row.grades[key],
    header: title,
-    Cell: ({ cell, row }) => (row.original.rowObfuscated ? <ObfuscatedCell /> : (cell.getValue() ?? 0)),
+    cell: ctx => (ctx.row.original.rowObfuscated ? <ObfuscatedCell /> : (ctx.getValue() ?? 0)),
  }))
-}

 const gradesOrder = {
  0: 0,
@@ -73,19 +75,3 @@ export const resolveGrades = (stats: FormattedStats[]) => {
  const grades = [...new Set(allGrades)]
  return getSortedGrades(grades)
 }
-
-export const commonOptions = {
-  defaultColumn: { size: 0 },
-  enableColumnFilters: false,
-  enableColumnOrdering: false,
-  enableDensityToggle: false,
-  enableGlobalFilter: false,
-  enableHiding: false,
-  initialState: {
-    sorting: [{ id: 'name', desc: false }],
-    showColumnFilters: false,
-  },
-  muiTableBodyCellProps: {
-    align: 'right' as const,
-  },
-}
@@ -1,14 +1,16 @@
 import IconButton from '@mui/material/IconButton'
-import Table from '@mui/material/Table'
+import Stack from '@mui/material/Stack'
 import TableBody from '@mui/material/TableBody'
 import TableCell from '@mui/material/TableCell'
-import TableContainer from '@mui/material/TableContainer'
 import TableHead from '@mui/material/TableHead'
 import TableRow from '@mui/material/TableRow'
 import Typography from '@mui/material/Typography'

+import { GroupChip } from '@/components/common/EquivalenceGroupChip'
+import { StyledTable } from '@/components/common/StyledTable'
 import { useLanguage } from '@/components/LanguagePicker/useLanguage'
 import { DeleteIcon } from '@/theme'
+import { SearchResultCourse } from '@/types/api/courses'
 import { getActiveYears } from '../util'

 export const CourseTable = ({
@@ -29,53 +31,67 @@ export const CourseTable = ({

  const getEmptyListRow = () => (
    <TableRow>
-      <TableCell align="center" colSpan={2}>
+      <TableCell align="center" colSpan={3}>
        No results.
      </TableCell>
    </TableRow>
  )

-  const toCourseRow = course => (
-    <TableRow
-      data-cy={`course-${course.code}`}
-      hover
-      key={course.id}
-      onClick={() => (course.min_attainment_date ? onSelectCourse(course) : null)}
-      style={{ cursor: course.min_attainment_date ? 'pointer' : 'default' }}
-    >
-      <TableCell>
-        <Typography variant="subtitle1">{getTextIn(course.name)}</Typography>
-        <Typography color="text.secondary" variant="body2">
-          {getActiveYears(course)}
-        </Typography>
-      </TableCell>
-      <TableCell>{combineSubstitutions ? [course.code, ...course.substitutions].join(', ') : course.code}</TableCell>
-      {title === 'Selected courses' && (
-        <TableCell align="right">
-          <IconButton>
-            <DeleteIcon />
-          </IconButton>
+  const toCourseRow = (course: SearchResultCourse) => {
+    return (
+      <TableRow
+        data-cy={`course-${course.code}`}
+        hover
+        key={course.id}
+        onClick={() => (course.min_attainment_date ? onSelectCourse(course) : null)}
+        style={{ cursor: course.min_attainment_date ? 'pointer' : 'default' }}
+      >
+        <TableCell>
+          <Typography variant="subtitle1">{getTextIn(course.name)}</Typography>
+          <Typography color="text.secondary" variant="body2">
+            {getActiveYears(course)}
+          </Typography>
        </TableCell>
-      )}
-    </TableRow>
-  )
+        <TableCell>
+          <Typography fontSize="0.9rem">{course.code}</Typography>
+        </TableCell>
+        <TableCell>
+          {combineSubstitutions ? (
+            <Stack>
+              {course.substitution_groups?.map(group => <GroupChip group={group} key={group.join(':')} />) ?? (
+                <Typography fontSize="0.9rem">Equivalent groups not available!</Typography>
+              )}
+            </Stack>
+          ) : (
+            course.code
+          )}
+        </TableCell>
+        {title === 'Selected courses' && (
+          <TableCell align="right">
+            <IconButton>
+              <DeleteIcon />
+            </IconButton>
+          </TableCell>
+        )}
+      </TableRow>
+    )
+  }

  if (hidden) {
    return null
  }

  return (
-    <TableContainer>
-      <Table>
-        <TableHead>
-          <TableRow>
-            <TableCell>{title}</TableCell>
-            <TableCell>Code(s)</TableCell>
-            {title === 'Selected courses' && <TableCell />}
-          </TableRow>
-        </TableHead>
-        <TableBody>{noContent ? getEmptyListRow() : courses.map(toCourseRow)}</TableBody>
-      </Table>
-    </TableContainer>
+    <StyledTable>
+      <TableHead>
+        <TableRow>
+          <TableCell>{title}</TableCell>
+          <TableCell>Main course code</TableCell>
+          <TableCell>Equivalent groups</TableCell>
+          {title === 'Selected courses' && <TableCell />}
+        </TableRow>
+      </TableHead>
+      <TableBody>{noContent ? getEmptyListRow() : courses.map(toCourseRow)}</TableBody>
+    </StyledTable>
  )
 }
@@ -21,6 +21,7 @@ import { useSearchHistory } from '@/hooks/searchHistory'
 import { useToggle } from '@/hooks/toggle'
 import { useGetCourseSearchResultQuery } from '@/redux/courseSearch'
 import { AddIcon, SearchIcon } from '@/theme'
+import { SearchResultCourse } from '@/types/api/courses'
 import { SearchHistoryItem } from '@/types/searchHistory'
 import { queryParamsToString } from '@/util/queryparams'
 import { CourseTable } from './CourseTable'
@@ -37,7 +38,7 @@ export const SearchForm = () => {
  const [courseCode, setCourseCode] = useState('')
  const [debouncedCourseName, setDebouncedCourseName] = useDebouncedState('')
  const [debouncedCourseCode, setDebouncedCourseCode] = useDebouncedState('')
-  const [selectedCourses, setSelectedCourses] = useState({})
+  const [selectedCourses, setSelectedCourses] = useState<Record<string, SearchResultCourse>>({})

  const isInputValid = validateInputLength(courseName, 5) || validateInputLength(courseCode, 2)
  const isDebouncedInputValid =
@@ -65,7 +66,7 @@ export const SearchForm = () => {
    setDebouncedCourseCode(event.target.value)
  }

-  const onSelectCourse = course => {
+  const onSelectCourse = (course: SearchResultCourse) => {
    const isSelected = !!selectedCourses[course.code]

    if (isSelected) {
@@ -148,7 +149,7 @@ export const SearchForm = () => {
  const noSelectedCourses = !selected.length

  const addAllCourses = () => {
-    const newSelectedCourses = courses.reduce((newSelected, course) => {
+    const newSelectedCourses = courses.reduce<Record<string, SearchResultCourse>>((newSelected, course) => {
      newSelected[course.code] = { ...course }
      return newSelected
    }, {})
@@ -123,7 +123,7 @@ export const InteractiveDataTable = ({
        <TableHead>
          <TableRow>
            {titles.map((title, index) => (
-              <TableCell key={title}>
+              <TableCell key={title} sx={{ px: 0, py: 0.5 }}>
                <Box alignItems="center" display="flex" justifyContent={index === 0 ? 'left' : 'right'}>
                  {index === 0 && (
                    <Box sx={{ marginRight: 1 }}>
@@ -1,11 +1,13 @@
 import IconButton from '@mui/material/IconButton'
 import Stack from '@mui/material/Stack'
+import TableBody from '@mui/material/TableBody'
+import TableCell from '@mui/material/TableCell'
+import TableHead from '@mui/material/TableHead'
+import TableRow from '@mui/material/TableRow'
 import Typography from '@mui/material/Typography'

-import { MaterialReactTable, MRT_ColumnDef, useMaterialReactTable } from 'material-react-table'
-import { useMemo } from 'react'
-
 import { Link } from '@/components/common/Link'
+import { StyledTable } from '@/components/common/StyledTable'
 import { TableHeaderWithTooltip } from '@/components/common/TableHeaderWithTooltip'
 import { useLanguage } from '@/components/LanguagePicker/useLanguage'
 import { useAddStudyProgrammePinMutation, useRemoveStudyProgrammePinMutation } from '@/redux/studyProgrammePins'
@@ -29,81 +31,6 @@ export const StudyProgrammeTable = ({
  const [addStudyProgrammePins] = useAddStudyProgrammePinMutation()
  const [removeStudyProgrammePins] = useRemoveStudyProgrammePinMutation()

-  const columns = useMemo<MRT_ColumnDef<any>[]>(
-    () => [
-      {
-        accessorKey: 'code',
-        header: 'Code',
-        size: 160,
-      },
-      {
-        accessorKey: 'progId',
-        header: 'Id',
-        size: 100,
-      },
-      {
-        accessorKey: 'name',
-        header: 'Name',
-        Cell: ({ row }) => <Link to={`/study-programme/${row.original.code}`}>{getTextIn(row.original.name)}</Link>,
-        minSize: 490,
-      },
-      {
-        id: 'pin',
-        header: 'Pin',
-        Header: (
-          <TableHeaderWithTooltip
-            header="Pin"
-            tooltipText={`
-              Click the pin icon to pin/unpin a programme.
-              Pinned programmes are shown first here and in the degree programme search in Class statistics.
-            `}
-          />
-        ),
-        Cell: ({ row }) => {
-          const isPinned = pinnedProgrammes.includes(row.original.code)
-          return (
-            <IconButton
-              data-cy={`pin-programme-${row.original.code}-button`}
-              onClick={
-                isPinned
-                  ? () => void removeStudyProgrammePins({ programmeCode: row.original.code })
-                  : () => void addStudyProgrammePins({ programmeCode: row.original.code })
-              }
-              sx={{
-                color: theme =>
-                  isPinned ? theme.palette.studyProgrammePin.pinned : theme.palette.studyProgrammePin.unpinned,
-              }}
-            >
-              <PushPinIcon fontSize="small" />
-            </IconButton>
-          )
-        },
-        size: 100,
-        muiTableHeadCellProps: {
-          align: 'center',
-        },
-        muiTableBodyCellProps: {
-          align: 'center',
-        },
-      },
-    ],
-    [addStudyProgrammePins, getTextIn, pinnedProgrammes, removeStudyProgrammePins]
-  )
-
-  const table = useMaterialReactTable({
-    columns,
-    data: programmes,
-    enableBottomToolbar: false,
-    enableColumnActions: false,
-    enablePagination: false,
-    enableSorting: false,
-    enableTopToolbar: false,
-    layoutMode: 'grid',
-    initialState: {
-      density: 'compact',
-    },
-  })
-
  if (!visible || programmes == null || programmes.length === 0) {
    return null
  }
@@ -113,7 +40,55 @@ export const StudyProgrammeTable = ({
      <Typography component="h3" variant="h6">
        {header}
      </Typography>
-      <MaterialReactTable table={table} />
+      <StyledTable slimBody slimHeader>
+        <TableHead>
+          <TableRow>
+            <TableCell sx={{ width: 100 }}>Code</TableCell>
+            <TableCell sx={{ width: 100 }}>Id</TableCell>
+            <TableCell sx={{ minWidth: 160 }}>Name</TableCell>
+            <TableCell sx={{ width: 80 }}>
+              <TableHeaderWithTooltip
+                header="Pin"
+                tooltipText={`
+                  Click the pin icon to pin/unpin a programme.
+                  Pinned programmes are shown first here and in the degree programme search in Class statistics.
+                `}
+              />
+            </TableCell>
+          </TableRow>
+        </TableHead>
+        <TableBody>
+          {programmes.map(programme => (
+            <TableRow key={programme?.code}>
+              <TableCell>{programme?.code}</TableCell>
+              <TableCell>{programme?.progId}</TableCell>
+              <TableCell>
+                <Link to={`/study-programme/${programme?.code}`}>{getTextIn(programme?.name)}</Link>
+              </TableCell>
+              <TableCell>
+                {
+                  <IconButton
+                    data-cy={`pin-programme-${programme?.code}-button`}
+                    onClick={
+                      pinnedProgrammes.includes(programme?.code)
+                        ? () => void removeStudyProgrammePins({ programmeCode: programme?.code })
+                        : () => void addStudyProgrammePins({ programmeCode: programme?.code })
+                    }
+                    sx={{
+                      color: theme =>
+                        pinnedProgrammes.includes(programme?.code)
+                          ? theme.palette.studyProgrammePin.pinned
+                          : theme.palette.studyProgrammePin.unpinned,
+                    }}
+                  >
+                    <PushPinIcon fontSize="small" />
+                  </IconButton>
+                }
+              </TableCell>
+            </TableRow>
+          ))}
+        </TableBody>
+      </StyledTable>
    </Stack>
  )
 }
@@ -1,7 +1,7 @@
 import { setupListeners } from '@reduxjs/toolkit/query/react'
 import { configureStore } from '@reduxjs/toolkit/react'

-import { handleRequest, RTKApi } from '@/apiConnection'
+import { RTKApi } from '@/apiConnection'
 import { isDev } from '@/conf'
 import { actionHistoryMiddleware } from './actionHistory'
 import { reducer as filters } from './filters'
@@ -22,7 +22,6 @@ export const store = configureStore({
  middleware: getDefaultMiddleware =>
    getDefaultMiddleware({ immutableCheck: false, serializableCheck: false }).concat(
      RTKApi.middleware,
-      handleRequest,
      actionHistoryMiddleware
    ),
 })
@@ -1,21 +1,10 @@
-import { Name } from '@oodikone/shared/types'
+import { Unarray } from '@oodikone/shared/types'
+import { CourseWithSubsId } from '@oodikone/shared/types/course'
+
+export type SearchResultCourse = Unarray<GetCourseSearchResultResponse['courses']>

 export type GetCourseSearchResultResponse = {
-  courses: Array<{
-    code: string
-    course_unit_type: string
-    coursetypecode: string
-    createdAt: string
-    id: string
-    is_study_module: boolean
-    mainCourseCode: string | null
-    max_attainment_date: string
-    min_attainment_date: string
-    name: Name
-    subsId: number
-    substitutions: string[]
-    updatedAt: string
-  }>
+  courses: Array<Omit<CourseWithSubsId, 'courseType' | 'credits' | 'enrollments' | 'organizations'>>
 }

 export type GetCourseSearchResultRequest = {
@@ -86,11 +86,11 @@ export const makeTableStats = (data: Record<string, Record<string, number>> | un
  const titles = [
    'Code',
    'Total',
-    'Degree students',
-    'Exchange students',
-    'Open university (hetu)',
-    'Open university (no hetu)',
-    'Other university',
+    'Degree',
+    'Exchange',
+    'Open (hetu)',
+    'Open (no hetu)',
+    'Other univ',
    'Separate',
    'Transferred',
    'Other',
@@ -1,4 +1,4 @@
-import type { ExtentCode, SemesterEnrollment } from '../types'
+import type { ExtentCode, SemesterEnrollment, TransferInfo } from '../types'

 import type { Credit } from './credit'
 import type { Enrollment } from './enrollment'
@@ -22,6 +22,7 @@ export type SISStudyRight = {
  extentCode: ExtentCode
  admissionType: string
  semesterEnrollments: SemesterEnrollment[] | null
+  transferInfo: TransferInfo | null
  credits: Credit[]
  enrollments: Enrollment[]
  tvex: boolean
@@ -6,9 +6,20 @@
    "": {
      "name": "@oodikone/shared",
      "devDependencies": {
+        "@types/node": "^25.5.0",
        "typescript": "^5.9.2"
      }
    },
+    "node_modules/@types/node": {
+      "version": "25.5.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.5.0.tgz",
+      "integrity": "sha512-jp2P3tQMSxWugkCUKLRPVUpGaL5MVFwF8RDuSRztfwgN1wmqJeMSbKlnEtQqU8UrhTmzEmZdu2I6v2dpp7XIxw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~7.18.0"
+      }
+    },
    "node_modules/typescript": {
      "version": "5.9.2",
      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
@@ -22,6 +33,13 @@
      "engines": {
        "node": ">=14.17"
      }
+    },
+    "node_modules/undici-types": {
+      "version": "7.18.2",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
+      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "dev": true,
+      "license": "MIT"
    }
  }
 }
@@ -5,6 +5,7 @@
    "build": "tsc"
  },
  "devDependencies": {
+    "@types/node": "^25.5.0",
    "typescript": "^5.9.2"
  }
 }
@@ -10,7 +10,7 @@ import {
 } from '../types'
 import { FormattedStudent } from '../types/studentData'

-export type CourseStats = Pick<Course, 'code' | 'name' | 'substitutions' | 'is_study_module'>
+export type CourseStats = Pick<Course, 'code' | 'name' | 'is_study_module' | 'substitution_groups'>

 export type AttainmentDates = {
  latestTotal?: Date
@@ -17,6 +17,7 @@
    "sourceMap": true,
    "sourceRoot": "/",
    "inlineSources": true,
-    "resolveJsonModule": true
+    "resolveJsonModule": true,
+    "types": ["node"]
  }
 }
@@ -49,6 +49,7 @@ export type { SemesterEnrollment } from './semesterEnrollment'
 export type { StudyTrack } from './studyTrack'
 export type { UnifyStatus } from './unification'
 export type { FormattedStudent } from './studentData'
+export type { TransferInfo } from './transferInfo'

 // ENUMS
 export { CreditTypeCode } from './creditTypeCode'
@@ -0,0 +1,8 @@
+export type TransferInfo = {
+  originalStartDate: Date
+  usedTerms?: number
+  usedAbsenceTerms?: number
+  usedStatutoryAbsenceTerms?: number
+  originalUniversityUrn?: string
+  transferComments?: string
+}
@@ -0,0 +1,149 @@
+import type { Result } from '../util'
+
+type Params = Record<string, string> | string
+
+// eslint-disable-next-line import-x/no-unused-modules
+export type BaseConfig = { baseUrl?: string; params?: Params; timeout?: number } & RequestInit
+
+// eslint-disable-next-line import-x/no-unused-modules
+export type RequestConfig = { params?: Params; timeout?: number } & RequestInit
+
+const buildBaseUrl = (baseUrl: string) => {
+  try {
+    return new URL(baseUrl)
+  } catch (_) {
+    // Invalid URLs will be caught here if the baseUrl cannot be extended on top of page origin.
+    return new URL(baseUrl, globalThis?.location.origin)
+  }
+}
+
+const buildUrl = (
+  baseUrl: string | undefined = '',
+  url: string | undefined = '',
+  baseParams?: Params,
+  params?: Params
+) => {
+  const base = baseUrl ? buildBaseUrl(url ? baseUrl.replace(/\/?$/, '/') : baseUrl) : ''
+  const path = new URL(url.replace(/^\//, ''), base)
+
+  const baseUrlParams = new URLSearchParams(baseParams)
+  const urlParams = new URLSearchParams(params)
+
+  Array.from(baseUrlParams.entries()).forEach(([key, val]) => path.searchParams.set(key, val))
+  Array.from(urlParams.entries()).forEach(([key, val]) => path.searchParams.set(key, val))
+
+  return path.href
+}
+
+const buildSignal = (timeout: number | undefined): AbortSignal | undefined =>
+  timeout !== undefined ? AbortSignal.timeout(timeout) : undefined
+
+const prepData = <T>(data: T) => JSON.stringify(data)
+
+// We only really use JSON in Oodikone, so I didn't fell like implementing this function.
+const getMimeType = <T>(_: T) => {
+  return 'application/json'
+}
+
+const convertDataBasedOnCT = <R>(contentType: string, res: Response): Promise<R> => {
+  // Should be the most common type, as express and JAMI return JSON
+  if (contentType.startsWith('application/json')) return res.json() as Promise<R>
+  else if (contentType.startsWith('application/octet-stream')) return res.arrayBuffer() as Promise<R>
+  else if (contentType.startsWith('multipart/form-data')) return res.formData() as Promise<R>
+  else if (contentType.startsWith('text/')) return res.text() as Promise<R>
+  else return res.blob() as Promise<R>
+}
+
+const handleRequestData = <R>(url: string, options: RequestInit): Promise<Result<R>> =>
+  globalThis
+    .fetch(url, options)
+    .then(async res => {
+      const ct = res.headers.get('content-type') ?? ''
+
+      return {
+        ...res,
+        data: await convertDataBasedOnCT<R>(ct, res),
+        error: null,
+      }
+    })
+    .catch(error => ({
+      data: null,
+      error,
+    }))
+
+const fetcher = <T>({
+  baseUrl,
+  params: baseParams,
+  timeout: baseTimeout,
+  headers: baseHeaders,
+  ...baseRest
+}: BaseConfig) => ({
+  get: <R>(url: string | undefined, { params, headers, timeout, ...rest }: RequestConfig): Promise<Result<R>> =>
+    handleRequestData(buildUrl(baseUrl, url, baseParams, params), {
+      signal: buildSignal(timeout ?? baseTimeout),
+      headers: {
+        ...baseHeaders,
+        ...headers,
+      },
+      method: 'GET',
+      ...baseRest,
+      ...rest,
+    }),
+  post: <R>(
+    url: string | undefined,
+    data: T,
+    { params, headers, timeout, ...rest }: RequestConfig
+  ): Promise<Result<R>> =>
+    handleRequestData(buildUrl(baseUrl, url, baseParams, params), {
+      signal: buildSignal(timeout ?? baseTimeout),
+      headers: {
+        'Content-Type': getMimeType(data),
+        ...baseHeaders,
+        ...headers,
+      },
+      method: 'POST',
+      body: prepData(data),
+      ...baseRest,
+      ...rest,
+    }),
+  put: <R>(
+    url: string | undefined,
+    data: T,
+    { params, headers, timeout, ...rest }: RequestConfig
+  ): Promise<Result<R>> =>
+    handleRequestData(buildUrl(baseUrl, url, baseParams, params), {
+      signal: buildSignal(timeout ?? baseTimeout),
+      headers: {
+        'Content-Type': getMimeType(data),
+        ...baseHeaders,
+        ...headers,
+      },
+      method: 'PUT',
+      body: prepData(data),
+      ...baseRest,
+      ...rest,
+    }),
+  delete: <R>(url: string | undefined, { params, headers, timeout, ...rest }: RequestConfig): Promise<Result<R>> =>
+    handleRequestData(buildUrl(baseUrl, url, baseParams, params), {
+      signal: buildSignal(timeout ?? baseTimeout),
+      headers: {
+        ...baseHeaders,
+        ...headers,
+      },
+      method: 'DELETE',
+      ...baseRest,
+      ...rest,
+    }),
+})
+
+export const Fetchios = {
+  create: <R>(config: BaseConfig) => fetcher<R>(config),
+  get: <R>(url: string | undefined, config: RequestConfig): Promise<Result<R>> =>
+    fetcher<R>({ baseUrl: url }).get(undefined, config),
+  post: <R, T = unknown>(url: string | undefined, data: T, config: RequestConfig): Promise<Result<R>> =>
+    fetcher<T>({ baseUrl: url }).post<R>(undefined, data, config),
+  put: <R, T = unknown>(url: string | undefined, data: T, config: RequestConfig): Promise<Result<R>> =>
+    fetcher<T>({ baseUrl: url }).put<R>(undefined, data, config),
+  delete: <R>(url: string | undefined, config: RequestConfig): Promise<Result<R>> =>
+    fetcher<R>({ baseUrl: url }).delete(undefined, config),
+}
@@ -41,7 +41,7 @@ type Err<E> = {
  error: E
 }

-type Result<T, E = Error> = Ok<T> | Err<E>
+export type Result<T, E = Error> = Ok<T> | Err<E>

 /**
 * @returns data, error object with distinct values.
@@ -82,7 +82,7 @@ const scheduleMeta = async (clean = true) => {
    table: IMPORTER_TABLES.courseUnits,
    distinct: 'group_id',
    pluck: 'group_id',
-    limit: isDev ? DEV_SCHEDULE_COUNT : null,
+    limit: null,
    clean,
  })

@@ -92,7 +92,7 @@ const scheduleMeta = async (clean = true) => {
    whereIn: ['type', ['StudyModule', 'DegreeProgramme']],
    distinct: 'group_id',
    pluck: 'group_id',
-    limit: isDev ? DEV_SCHEDULE_COUNT : null,
+    limit: null,
    clean,
  })

@@ -0,0 +1,10 @@
+const { JSONB } = require('sequelize')
+
+module.exports = {
+  up: async queryInterface => {
+    await queryInterface.addColumn('sis_study_rights', 'transfer_info', JSONB)
+  },
+  down: async queryInterface => {
+    await queryInterface.removeColumn('sis_study_rights', 'transfer_info')
+  },
+}
@@ -17,6 +17,7 @@ SISStudyRight.init(
    extentCode: INTEGER,
    admissionType: STRING,
    semesterEnrollments: JSONB,
+    transferInfo: JSONB,
    facultyCode: STRING,
    expirationRuleUrns: ARRAY(STRING),
    tvex: BOOLEAN,
@@ -127,8 +127,8 @@ const updateCourses = async (courseIdToAttainments, groupIdToCourse) => {
    const idToCodeMap = new Map(idToCodePairs)

    course.substitution_groups = course.substitution_groups
-      .map(subGroup => subGroup.map(id => idToCodeMap.get(id)))
-      .filter(sg => !sg.includes(undefined))
+      .map(subGroup => subGroup.map(id => idToCodeMap.get(id) ?? null))
+      .map(subGroup => subGroup.filter(substitution_groups => !!substitution_groups)) // Filter out undefined/null entries

    course.mainCourseCode = [course.code, ...course.substitution_groups]
      .sort((a, b) => getSubstitutionPriority(b) - getSubstitutionPriority(a))
@@ -63,6 +63,7 @@ const studyRightMapper = (personIdToStudentNumber, admissionNamesById, semesterE
      extentCode,
      admissionType: admissionNamesById[studyRight.admission_type_urn],
      semesterEnrollments: getStudyRightSemesterEnrollments(semesterEnrollmentsForStudyRight),
+      transferInfo: studyRight.study_right_transfer,
      facultyCode: getOrganisationCode(studyRight.organisation_id),
      expirationRuleUrns: studyRight.study_right_expiration_rules_urn,
      tvex: !!studyRight.code_urns?.includes(TVEX_URN_CODE),
Author	SHA1	Message	Date
Santeri Rajamäki	3c367f5b93	[META] Fix Fetchios lint error	2026-04-10 13:34:54 +03:00
Santeri Rajamäki	ee2240f457	[META] Update Fetchios return value handling	2026-04-10 13:34:54 +03:00
Santeri Rajamäki	fb4ecc7785	[META] Convert Fetchios to use Result	2026-04-10 13:34:54 +03:00
Santeri Rajamäki	594ffb460b	[META] Add relative path support for browsers	2026-04-10 13:34:54 +03:00
Santeri Rajamäki	d9d7f2ae80	[META] Rearrange fetchios url in one-shots	2026-04-10 13:33:01 +03:00
Santeri Rajamäki	8425643639	[META] Fix fetchios url appending	2026-04-10 13:33:01 +03:00
Santeri Rajamäki	33d5a04dc8	[META] Add node types to tsconfig	2026-04-10 13:33:01 +03:00
Santeri Rajamäki	abbecf412e	[Shared] Convert fetchios fetch to globalThis.fetch	2026-04-10 13:33:01 +03:00
Santeri Rajamäki	6809c668e0	[META] Change axios to fetchios	2026-04-10 13:33:01 +03:00
Santeri Rajamäki	0db4db47ac	[Backend] Convert oriProvider to use module exports instead of CJS module.exports	2026-04-10 13:33:01 +03:00
Santeri Rajamäki	ab420572eb	[META] Introduce Fetchios	2026-04-10 13:33:01 +03:00
Santeri Rajamäki	657a96abc0	[Frontend] Remove axios dependency	2026-04-10 13:33:01 +03:00
Santeri Rajamäki	1760a165e4	[Frontend] Swap api caller from axios to fetch	2026-04-10 13:33:01 +03:00
Santeri Rajamäki	3f311dee69	[Frontend] Remove legacy RTKApi middleware	2026-04-01 13:57:39 +03:00
Santeri Rajamäki	eb6b683296	[Frontend] Convert apiConnections to typescript	2026-04-01 13:56:02 +03:00
Aaro Koivukangas	b2153ec3dd	[ClassStats][Courses] Add better handling for null substitution_groups (only in test-data)	2026-04-01 13:34:40 +03:00
Aaro Koivukangas	8949e7baf0	[Class stats][Courses] Better substitution group type handling	2026-03-31 15:18:47 +03:00
joonas-a	1fa10f7812	[Scripts] fix incorrect container name	2026-03-31 14:47:33 +03:00
Aaro Koivukangas	fbe5db8a43	[E2E] Fix lint errors and e2e tests	2026-03-31 14:42:57 +03:00
Aaro Koivukangas	d4c7a4014b	[Class stats][Courses] Handle substitution groups correctly + fix include substitutions button	2026-03-31 14:42:57 +03:00
Santeri Rajamäki	1177c2f848	[OT] Use 0th index in pagination when table data changes	2026-03-31 14:40:53 +03:00
Santeri Rajamäki	0f8d72fd1d	[Frontend] Remove manual pagination from OT implementations	2026-03-31 14:36:45 +03:00
Santeri Rajamäki	47e3e2e26e	[OT] Fix pagination	2026-03-31 14:36:05 +03:00
Santeri Rajamäki	a312a14944	[Frontend] Disallow prop forwarding for all internal StyledTable attributes	2026-03-31 12:01:33 +03:00
joonas-a	e3ec33f8dc	[Course stat tables] try to add 0s	2026-03-30 16:10:22 +03:00
joonas-a	9c55d3b2ab	[Highcharts] fix median time bar chart threshold lines	2026-03-30 16:07:51 +03:00
joonas-a	17ce83660c	[e2e] programme overview graduation time fixes	2026-03-30 15:40:59 +03:00
joonas-a	22d3877b8e	[Faculty][Graduation times] update graduation time targets in highcharts	2026-03-30 14:58:20 +03:00
joonas-a	c60bee34fd	[Backend][Faculty] update graduation time targets	2026-03-30 14:51:32 +03:00
joonas-a	15240050b7	[Faculty] graduation time infobox update	2026-03-30 14:31:18 +03:00
joonas-a	7da09c8b02	[Programme overview] update graduation time infoboxes	2026-03-30 14:31:18 +03:00
joonas-a	cfb2d4d5c0	[Frontend][Graduation times] replace months with semesters	2026-03-30 14:31:18 +03:00
joonas-a	39b594d795	[Backend] Use semesters with graduation times	2026-03-30 14:31:18 +03:00
Santeri Rajamäki	ff5bce1713	[E2E] Scroll coursestatistics data table into view	2026-03-30 10:26:56 +03:00
Santeri Rajamäki	8e288f3b26	[Frontend] Remove columnOrder from course statistics tables	2026-03-30 10:07:06 +03:00
Santeri Rajamäki	4134c8b64b	[Frontend] Use manualPagination on course stats tables	2026-03-27 15:47:17 +02:00
Santeri Rajamäki	ddc1a22492	[Frontend] Cleanup	2026-03-27 15:47:17 +02:00
Santeri Rajamäki	8ff1cb54dc	[Frontend] Convert AttemptsTable to OT	2026-03-27 15:47:17 +02:00
Santeri Rajamäki	777de520f9	[Frontend] Convert StudentsTable to OT	2026-03-27 15:47:17 +02:00
joonas-a	a9e325fe72	[Updater] Add transfer info to study rights	2026-03-26 17:41:17 +02:00
joonas-a	befc3db3a8	[Filters][Studentnumber] Fix blacklist blacklisting all students always	2026-03-26 17:41:17 +02:00
Santeri Rajamäki	e1b8ebd17f	[Frontend] Readd EquivalenceGroupChip	2026-03-26 13:13:05 +02:00
Santeri Rajamäki	883129bee0	[Frontend] Unify course page secondary chip with course search table chips	2026-03-26 12:13:51 +02:00
Santeri Rajamäki	18eb04beeb	[Frontend] Rework course search table and equivalence group chips	2026-03-26 12:12:19 +02:00
Santeri Rajamäki	eb12d7e5ec	[OT] Add cell width under size attribute	2026-03-26 12:08:56 +02:00
Santeri Rajamäki	26ca0a3bc1	[META] Remove redundant reset_jami_data script from setup script	2026-03-25 17:34:47 +02:00
Santeri Rajamäki	b79c97780b	[META] Update JAMI url in docker-compose	2026-03-25 17:29:04 +02:00
Santeri Rajamäki	0cd3bf28ff	[Frontend] Replace MRT with StyledTable in StudyProgrammeTable	2026-03-25 16:20:55 +02:00
Santeri Rajamäki	20b0ba5a30	[Frontend] Enhance StyledTable	2026-03-25 16:19:12 +02:00
Aaro Koivukangas	67001a9db1	[Updater] Remove limit of 1000 entries from update-meta in dev environment	2026-03-23 14:15:51 +02:00
Aaro Koivukangas	8c268395b0	[E2E] Fix broken test	2026-03-20 16:32:41 +02:00
Aaro Koivukangas	235d2b03b2	[CourseStat][Search] Use substitution_groups when searching for courses	2026-03-20 15:53:11 +02:00
Aaro Koivukangas	cbe20f1ad3	[Updater] Handle substitution_groups with null/undefined codes better	2026-03-20 15:53:11 +02:00
Matti Luukkainen	47211dcf89	[faculty/study programme] moar compact credits produced table (fits in screen)	2026-03-20 12:48:41 +02:00