client_update.yml

name: Trigger Client Update

on:
  push:
    branches:
      - 'main'
    paths:
      - 'server/api/tumdev/campus_backend.proto'

  workflow_dispatch:

jobs:
  deploy:
    runs-on: macos-latest

    steps:
      - name: Fetch Changes
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Checkout everything to get access to the tags
          ref: main
          repository: TUM-Dev/Campus-Backend
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Install Dart
        uses: dart-lang/setup-dart@v1

      - name: Install Protoc
        uses: arduino/setup-protoc@v3
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Create Needed Information
        run: |
          echo "LATEST_TAG=$(git describe --tags --always --abbrev=0)" >> $GITHUB_ENV
          echo "REPOSITORY=TUM-Dev/Campus-Flutter" >> $GITHUB_ENV
          echo "FOLDER=bin/\$REPOSITORY" >> $GITHUB_ENV
          echo "BRANCH_NAME=chore/update-protos-to-\$LATEST_TAG" >> $GITHUB_ENV

      - name: Clone Repository
        run: git clone --depth=1 --branch=main https://runner:${{ secrets.CAMPUS_FLUTTER_TOKEN }}@github.com/${{ env.REPOSITORY }} ${{ env.FOLDER }}

      - name: Update Proto Files
        run: |
          cd ${{ env.FOLDER }}
          git checkout -b ${{ env.BRANCH_NAME }}

          # Update the script files to the latest version.
          dart pub global activate protoc_plugin
          export PATH="$PATH:$HOME/.pub-cache/bin"
          curl -o protos/tumdev/campus_backend.proto https://raw.githubusercontent.com/TUM-Dev/Campus-Backend/main/server/api/tumdev/campus_backend.proto
          protoc --dart_out=grpc:lib/base/networking/apis -I./protos google/protobuf/timestamp.proto google/protobuf/empty.proto protos/tumdev/campus_backend.proto

      - name: Commit Changes
        id: commit
        run: |
          # Commit the changes and push the feature branch to origin
          cd ${{ env.FOLDER }}
          git add .
          git commit -m "chore: update scripts to ${{ env.LATEST_TAG }}"
          git push origin ${{ env.BRANCH_NAME }}
        continue-on-error: true

      - name: Create Pull Request
        if: steps.commit.outcome == 'success'
        run: |
          # Store the PAT in a file that can be accessed by the
          # GitHub CLI.
          cd ${{ env.FOLDER }}
          echo "${{ secrets.CAMPUS_FLUTTER_TOKEN }}" > token.txt

          # Authorize GitHub CLI for the current repository and
          # create a pull-requests containing the updates.
          gh auth login --with-token < token.txt
          gh pr create \
            --body "" \
            --title "Chore: Update Protos to ${{ env.LATEST_TAG }}" \
            --head "${{ env.BRANCH_NAME }}" \
            --base "main"

      - name: Error Message
        if: steps.commit.outcome != 'success'
        run: echo "No Changes made to Proto Files!"