translation-flow.yml

name: Translations - Pull from crowdin to github

on:
  issue_comment:
    types: [ created ]

jobs:
  params:
    name: Check if comment author has requested Crowdin synchronization
    runs-on: ubuntu-latest
    outputs:
      command: ${{ steps.check.outputs.command }}
      issue_number: ${{ github.event.issue.number }}
    steps:
      - id: check
        env:
          COMMENT_BODY: ${{ github.event.comment.body }}
        run: |
          if [[ "$COMMENT_BODY" =~ ^/previewdraft ]]
          then
            echo "command=previewdraft" >> $GITHUB_OUTPUT
          elif [[ "$COMMENT_BODY" =~ ^/preview ]]
          then
            echo "command=preview" >> $GITHUB_OUTPUT
          fi

  pull-translations:
    needs: params
    if: needs.params.outputs.command == 'preview' || needs.params.outputs.command == 'previewdraft'

    name: "Pull Translations for #${{ needs.params.outputs.issue_number }} from Crowdin to Github"
    runs-on: ubuntu-latest

    outputs:
      refName: ${{ steps.vars.outputs.refName }}

    steps:
      - name: Env vars update
        id: vars
        run: |
          echo "language=ru" >> $GITHUB_ENV
          echo "issueNumber=${{ needs.params.outputs.issue_number }}" >> $GITHUB_ENV
          echo "crowdinBranch=${{ format('translation-{0}-{1}', needs.params.outputs.issue_number, 'ru') }}" >> $GITHUB_ENV
          echo "gitBranch=${{ format('translation-{0}-{1}{2}', needs.params.outputs.issue_number, 'ru', needs.params.outputs.command == 'previewdraft' && '-draft' || '') }}" >> $GITHUB_ENV
          echo "thisWorkflowURL=${{ github.event.repository.html_url }}/actions/runs/${{ github.run_id }}" >> $GITHUB_ENV
          echo "refName=${{ format('translation-{0}-{1}{2}', needs.params.outputs.issue_number, 'ru', needs.params.outputs.command == 'previewdraft' && '-draft' || '') }}" >> $GITHUB_OUTPUT

      - name: Create comment
        uses: peter-evans/create-or-update-comment@v4
        with:
          issue-number: ${{ env.issueNumber }}
          body: |
            Started workflow: ${{ env.thisWorkflowURL }}

      - name: Setup / Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ env.gitBranch }}

      - name: Setup / Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '20'

      - name: Setup / Crowdin CLI
        run: npm install -g @crowdin/cli

      - name: Setup / Git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Pull translations (preview)
        if: needs.params.outputs.command == 'preview'
        env:
          CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_PERSONAL_TOKEN }}
        run:
          crowdin pull translations
          -c crowdin-oss.yml
          -b ${{ env.crowdinBranch }}
          -l ${{ env.language }}
          --skip-untranslated-files --export-only-approved

      - name: Pull translations (preview draft)
        if: needs.params.outputs.command == 'previewdraft'
        env:
          CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_PERSONAL_TOKEN }}
        run:
          crowdin pull translations
          -c crowdin-oss.yml
          -b ${{ env.crowdinBranch }}
          -l ${{ env.language }}
          --skip-untranslated-files

      - name: Setup / Dev dependencies
        run: npm ci

      - name: Prepare commit
        id: prepare-commit
        run: |
          git add i18n/
          
          if [ -z "$(git diff --cached --name-only)" ]; then
            echo "staged_files=false" >> $GITHUB_OUTPUT
          else
            echo "staged_files=true" >> $GITHUB_OUTPUT
          fi

      - name: Create comment if no staged files
        if: steps.prepare-commit.outputs.staged_files == 'false'
        uses: peter-evans/create-or-update-comment@v4
        with:
          issue-number: ${{ env.issueNumber }}
          body: |
            There is nothing to commit, possible reasons:
            
              * there is no fully translated and approved files
              * there is no difference with the current state of the branch

      - name: Lint translated files
        if: steps.prepare-commit.outputs.staged_files == 'true'
        continue-on-error: true
        id: lint-translated
        run: |
          ./node_modules/.bin/eslint -c eslint.mdx.config.js --fix $(git diff --cached --name-only)

      - name: Notify on failed linter
        if: steps.lint-translated.outcome == 'failure'
        uses: peter-evans/create-or-update-comment@v4
        with:
          issue-number: ${{ env.issueNumber }}
          body: |
             ⚠️ Linting of the translated files failed, see ${{ env.thisWorkflowURL }}

      - name: Commit
        if: steps.prepare-commit.outputs.staged_files == 'true'
        run: |
          git add i18n/
          git commit -m "chore: update ${{ env.language }} translations #${{ env.issueNumber }}"
          git push -u origin ${{ env.gitBranch }}

      - name: Create PullRequest if needed
        if: steps.prepare-commit.outputs.staged_files == 'true' && needs.params.outputs.command == 'preview'
        id: ensure-pr
        uses: actions/github-script@v6
        with:
          script: |
            const { data: prs } = await github.rest.pulls.list({
              owner: context.repo.owner, repo: context.repo.repo,
              head: `${context.repo.owner}:${process.env.gitBranch}`,
              state: 'open'
            });
            
            if (prs.length == 0) {
              const { data: newPR } = await github.rest.pulls.create({
                owner: context.repo.owner, repo: context.repo.repo,
                title: `New translations for ${process.env.language}`,
                head: process.env.gitBranch,
                base: 'main',
                body: `New translations from Crowdin. Closes #${process.env.issueNumber}`,
                draft: true
              });
            }

  deploy:
    needs: pull-translations
    uses: ./.github/workflows/deploy.yml
    secrets: inherit
    with:
      ref_name: ${{ needs.pull-translations.outputs.refName }}