sync_translations.yml

name: Sync Translations

on:
  workflow_dispatch:

permissions:
  contents: read

jobs:
  sync_translations:
    permissions:
      contents: write  # for Git to git push
      pull-requests: write # to create the PR with changes
    name: 'Sync Translations with Crowdin'
    timeout-minutes: 20
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: 'main'
          fetch-depth: 0

      - name: Credential Prep
        run: |
          echo "CROWDIN_APIv2_PAT=${{ secrets.CROWDIN_APIv2_PAT }}" >> $GITHUB_ENV
        shell: bash

      - name: GIT Setup
        run: |
          git config --global user.name 'AnkiDroid Translations'
          git config --global user.email 'ankidroid@ankidroid.org'
          git checkout -b i18n_sync
          git reset --hard origin/main
        shell: bash

      - uses: actions/setup-node@v4
        with:
          node-version: 20
      
      - name: Install dependencies and build
        run: |
          cd ./tools/localization
          yarn
          yarn build

      - name: Push translation sources to crowdin
        run: |
          cd ./tools/localization
          yarn start upload

      - name: Pull translation updates from crowdin
        run: |
          cd ./tools/localization
          yarn start download
      
      - name: Extract downloaded ankidroid.zip file
        run: |
          cd ./tools/localization
          yarn start extract
      
      - name: Update translation to AnkiDroid res
        run: |
          cd ./tools/localization
          yarn start update
        
      - name: Commit changes
        run: |
          git add docs/marketing/localized_description AnkiDroid/src/main/res
          git commit -am 'Updated strings from Crowdin'
          git push --set-upstream origin +i18n_sync
          echo "The results of the sync are on the i18n_sync branch, PR them from there for merge."
          echo "https://github.com/ankidroid/Anki-Android/compare/i18n_sync?expand=1"

      - name: Check if there are strings changes
        id: tr_check
        run: |
          git checkout i18n_sync
          COMMITS_COUNT=`git rev-list --count HEAD ^main`
          if [ "$COMMITS_COUNT" -gt 0 ]; then
            echo "HAS_CHANGES=true" >> $GITHUB_OUTPUT
          else
            echo "HAS_CHANGES=false" >> $GITHUB_OUTPUT
          fi

      - name: Create PR for strings changes if needed
        if: ${{ steps.tr_check.outputs.HAS_CHANGES }}
        uses: actions/github-script@v7
        with:
          script: |
            const now = new Date();
            // Date format used: YYYY/MM/DD HH:MM , UTC time(ex: 2023/01/13 08:38) 
            const formattedDate = 
              now.getUTCFullYear() + "/" + 
              ("0" + (now.getUTCMonth() + 1)).slice(-2) + "/" +
              ("0" + now.getUTCDate()).slice(-2) + " " + 
              ("0" + now.getUTCHours()).slice(-2) + ":" +
              ("0" + now.getUTCMinutes()).slice(-2);
            try {  
              await github.rest.pulls.create({
                owner: context.repo.owner,
                repo: context.repo.repo,
                title: "Updated strings from Crowdin " + formattedDate,
                head: "i18n_sync",
                base: "main",
                body: "Contains the newest strings changes from Crowdin.\n\nhttps://crowdin.com/project/ankidroid/activity-stream",
                maintainer_can_modify: true
              });
            } catch(err) {
              if (err.status === 422) {
                console.log("A PR containing translations sync already exists!");
              } else {
                console.log("Unexpected error creating pull request: " + err);
                throw err;
              }
            }