diff-check.yml

name: Diff check

on:
  workflow_dispatch:
  push:
    branches:
      - master
  pull_request:
  merge_group:

jobs:
  tests:
    name: Generate OpenAPI based code
    runs-on: ubuntu-latest

    steps:
      # Setup
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: Update submodules
        run: git submodule update --remote --recursive
      - uses: actions/setup-node@v4
        id: setup_node_id
        with:
          node-version: 18
      - uses: shivammathur/setup-php@v2
        with:
          php-version: 8.2

      # Install openapi-generator-cli
      - run: echo "OPENAPI_GENERATOR_VERSION=7.10.0" >> $GITHUB_ENV
      - uses: actions/cache@v4
        id: openapi-generator-cache
        env:
          cache-name: openapi-generator-cache
        with:
          path: ~/bin/openapitools
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ env.OPENAPI_GENERATOR_VERSION }}
      - if: steps.openapi-generator-cache.outputs.cache-hit != 'true'
        run: |
          mkdir -p ~/bin/openapitools
          curl https://raw.githubusercontent.com/OpenAPITools/openapi-generator/master/bin/utils/openapi-generator-cli.sh > ~/bin/openapitools/openapi-generator-cli
          chmod u+x ~/bin/openapitools/openapi-generator-cli
          export PATH=$PATH:~/bin/openapitools/
          OPENAPI_GENERATOR_VERSION=${{ env.OPENAPI_GENERATOR_VERSION }} openapi-generator-cli version

      - name: Generate codes
        run: |
          export PATH=$PATH:~/bin/openapitools/
          bash tools/gen-oas-client.sh
      - name: Update document
        run: |
          wget https://github.com/phpDocumentor/phpDocumentor/releases/download/v3.3.1/phpDocumentor.phar
          php phpDocumentor.phar run -d src -t docs
      - run: |
          diff=$(git --no-pager diff --name-only HEAD)
          echo "DIFF_IS_EMPTY=$([[ -z "$diff" ]] && echo 'true' || echo 'false')" >> $GITHUB_ENV
          echo "CURRENT_DATETIME=$(date +'%Y%m%d%H%M%S')" >> $GITHUB_ENV
      ## Run if diff exists and pull request, and make CI status failure (but allow renovate bot)
      - if: ${{ github.event_name == 'pull_request' && env.DIFF_IS_EMPTY != 'true' && github.actor != 'renovate[bot]' }}
        run: |
          echo "There are changes in the generated codes. Please run 'generate-code.py' and commit the changes." >&2
          echo "The files with differences are as follows." >&2
          echo "$(git --no-pager diff --name-only HEAD)" >&2
          exit 1
      ## Run if diff exists and event is not pull request, and make PR
      - if: ${{ github.event_name != 'pull_request' && env.DIFF_IS_EMPTY != 'true' }}
        run: |
          BRANCH_NAME="update-diff-${{ env.CURRENT_DATETIME }}"
          
          git config user.name github-actions
          git config user.email github-actions@github.com
          git checkout -b $BRANCH_NAME
          
          git add line-openapi
          git add src/**
          git commit --allow-empty -m "Codes are generated by openapi generator"
          
          git add docs/**
          git commit --allow-empty -m "Update document"
          
          git push origin $BRANCH_NAME
          
          # Determine PR title and body
          if [ "$CHANGE_TYPE" == "submodule-update" ]; then
            # Fetch PR info from submodule
            npx zx ./line-openapi/tools/get-pr-info.mjs
            PR_INFO=$(cat pr_info.json)
            TITLE=$(echo "$PR_INFO" | jq -r '.title')
            BODY=$(echo "$PR_INFO" | jq -r '.url')$'\n\n'$(echo "$PR_INFO" | jq -r '.body')
          else
            # Default PR title and body
            TITLE="Codes are generated by openapi generator"
            BODY="⚠Reviewer: Please edit this description to include relevant information about the changes.⚠"
          fi

          gh pr create -B ${{ github.ref_name }} -H $BRANCH_NAME -t "$TITLE" -b "$BODY" --label "line-openapi-update"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}