scheduled-release.yml

name: Schedule a release and image
on:
  workflow_dispatch:
  schedule:
    - cron: '0 0 * * 3'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: altinn/altinn-access-management-frontend

jobs:
  getlatestrelease:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      deployments: write
      issues: write
      packages: write

    steps:
      - name: setup current year
        id: get_year
        run: |
          echo "currentyear=$(date +%Y)" >> $GITHUB_ENV

      - name: Get Latest Release using github api
        uses: octokit/request-action@v2.x
        continue-on-error: true
        id: get_latest_release_version
        with:
          route: GET /repos/altinn/altinn-access-management-frontend/releases/latest
          mediaType: | # The | is significant!
            format: raw
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: print status
        run: |
          if [ "${{ steps.get_latest_release_version.outputs.status }}" == "200" ]; then
            echo "Latest release version: ${{ fromJson(steps.get_latest_release_version.outputs.data).tag_name }}"
          else
            echo "Release could not be found. Request failed with status '${{ steps.get_latest_release_version.outputs.status }}'"
          fi

      - name: split release version f.ex v2023.1 will be split into output0 v2023 and output1 1
        if: ${{ steps.get_latest_release_version.outputs.status == '200' }}
        uses: winterjung/split@v2
        id: split
        with:
          msg: '${{ fromJson(steps.get_latest_release_version.outputs.data).tag_name }}'
          separator: '.'

      - name: split 'v' and year f.ex v2023 will be split into output0 v and output1 2023
        if: ${{ steps.get_latest_release_version.outputs.status == '200' }}
        uses: winterjung/split@v2
        id: splitv
        with:
          msg: '${{steps.split.outputs._0}}'
          separator: 'v'

      - name: Increment release version f.ex the release version for the year is incremented
        if: ${{ steps.get_latest_release_version.outputs.status == '200' }}
        id: update_version
        env:
          NUM: ${{ steps.split.outputs._1 }}
        run: |
          echo "VERSION=$(($NUM + 1))" >> $GITHUB_ENV

      - name: Format new release version when there is atleast 1 previous release. If the release is created in the new year, the current year is set and the identity is reset to 1.
        if: ${{ steps.get_latest_release_version.outputs.status == '200' }}
        id: format_version
        env:
          RELEASE_YEAR: ${{steps.splitv.outputs._1}}
        run: |
          if [ ${{env.currentyear}} -gt  ${{env.RELEASE_YEAR}} ]
          then
             echo "RELEASEVERSION=v${{env.currentyear}}.1" >> $GITHUB_OUTPUT
          else
             echo "RELEASEVERSION=v${{env.RELEASE_YEAR}}.${{env.VERSION}}" >> $GITHUB_OUTPUT
          fi

      - name: Set release version if 0 releases. The initial version is set to the v{currentyear}.{identity} f.ex v2023.1
        id: releaseversion
        run: |
          if [ ${{ steps.get_latest_release_version.outputs.status }} = '200' ]
          then
            echo "RELEASE=${{ steps.format_version.outputs.RELEASEVERSION }}" >> $GITHUB_OUTPUT
          else
            echo "RELEASE=v${{env.currentyear}}.1" >> $GITHUB_OUTPUT
          fi

      - name: Print release version
        run: |
          echo "Release version: ${{ steps.releaseversion.outputs.RELEASE }}"

    outputs:
      RELEASEVERSION: ${{ steps.releaseversion.outputs.RELEASE }}

  tag:
    name: Tag image with release version
    runs-on: ubuntu-latest
    permissions:
      contents: read
      deployments: write
      issues: write
      packages: write
    needs: [getlatestrelease]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: setup git config
        run: |
          # setup the username and email. I tend to use 'GitHub Actions Bot' with no email by default
          git config user.name "github-actions[bot]"
          git config user.email ""
          git config -l | grep url

      - name: Get last commit id
        id: get_commit_sha
        run: echo "commitid=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT

      - name: Login to GHCR
        uses: docker/login-action@v3.3.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - id: version
        uses: battila7/get-version-action@v2

      - name: Add Version tag to Docker Image
        uses: shrink/actions-docker-registry-tag@v4
        with:
          registry: ${{ env.REGISTRY }}
          repository: '${{ env.IMAGE_NAME }}'
          target: '${{ steps.get_commit_sha.outputs.commitid }}'
          tags: ${{ needs.getlatestrelease.outputs.RELEASEVERSION }}

  update_release_draft:
    name: Release Drafter with releaseversion that was formatted
    needs: [getlatestrelease, tag]
    permissions:
      contents: write # for release-drafter/release-drafter to create a github release
      pull-requests: write # for release-drafter/release-drafter to add label to PR
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      # Drafts your next Release notes as Pull Requests are merged into "master"
      - uses: release-drafter/release-drafter@v6.0.0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag: ${{ needs.getlatestrelease.outputs.RELEASEVERSION }}
          version: ${{ needs.getlatestrelease.outputs.RELEASEVERSION }}