show-pr-change-note.yml

name: Show Pull Request Change Note
run-name: Show Pull Request Change Note

on: 
  pull_request:
      types: [opened, edited]

jobs:
  show-pull-request-change-note:
    name: Show Pull Request Change Note
    runs-on: ubuntu-latest
    env:
      PULL_REQUEST_NUMBER: ${{ github.event.pull_request.number }}
      # secrets.GITHUB_TOKEN is automatically generated by GitHub for each workflow run
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Copy this repository to the Linux runner
        uses: actions/checkout@v4
      
      - name: Install libcurl
        run: sudo apt install libcurl4-openssl-dev

      - name: Download nlohmann json.hpp header file
        run: wget https://raw.githubusercontent.com/nlohmann/json/develop/single_include/nlohmann/json.hpp

      - name: Build the script
        run: g++ -o release_notes_generator Main.cpp Config.cpp Utils.cpp Format.cpp -lcurl -I.

      - name: Run script to generate pull request change note
        run: ./release_notes_generator single_pr "$PULL_REQUEST_NUMBER" "$GH_TOKEN"
      
      - name: Set extra comment message based on the trigger event type
        id: set-extra-message
        env:
          TRIGGER_EVENT: ${{ github.event.action }}
        run: |
          if [ "$TRIGGER_EVENT" = "opened" ]; then
            echo "COMMENT_TEXT=Thank you for contributing!<br>Below is how your contribution will look like in Synfig's release notes, review it and improve your pull request's title and description so that your contribution is clear, you can add images, videos and anything you want, have fun!<br>" >> "$GITHUB_OUTPUT"
          elif [ "$TRIGGER_EVENT" = "edited" ]; then
            echo "COMMENT_TEXT=Thank you for trying to improve your contribution description!<br>Below is how your updated contribution will look like in Synfig's release notes, review it and improve it till you are satisfied!<br>" >> "$GITHUB_OUTPUT"
          fi

      - name: Comment in the pull request with the generated change note and extra message
        env:
            COMMENT_TEXT: ${{ steps.set-extra-message.outputs.COMMENT_TEXT }}
        run: gh pr comment "$PULL_REQUEST_NUMBER" --body "$COMMENT_TEXT$(cat release_notes.md)"