generate-code.yml

name: Generate code and open pull request

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

jobs:
  tests:
    name: Generate OpenAPI based code
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      # Setup
      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          submodules: recursive
      - name: Update submodules
        run: git submodule update --remote --recursive
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
        id: setup_node_id
        with:
          node-version: 22
      - uses: shivammathur/setup-php@ec406be512d7077f68eed36e63f4d91bc006edc4 # 2.35.4
        with:
          php-version: 8.2

      # Install openapi-generator-cli
      - run: echo "OPENAPI_GENERATOR_VERSION=7.11.0" >> $GITHUB_ENV
      - uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
        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=$PATH:~/bin/openapitools/
          bash tools/gen-oas-client.sh
      - name: Update document
        run: |
          wget https://github.com/phpDocumentor/phpDocumentor/releases/download/v3.3.1/phpDocumentor.phar
          php phpDocumentor.phar run -d src -t docs
      - run: |
          diff_files=$(git --no-pager diff --name-only)
          diff_excluding_submodule=$(echo "$diff_files" | grep -v '^line-openapi$' || true)

          echo "diff files: $diff_files"
          echo "diff excluding submodule: $diff_excluding_submodule"

          echo "DIFF_IS_EMPTY=$([[ -z "$diff_excluding_submodule" ]] && 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 or merge queue, and make CI status failure (but allow renovate bot)
      - if: >-
          ${{
            (github.event_name == 'pull_request' || github.event_name == 'merge_group')
            && env.DIFF_IS_EMPTY != 'true'
            && github.actor != 'renovate[bot]'
          }}
        run: |
          echo "There are changes in the generated codes. Please run 'generate-code.py' and commit the changes." >&2
          echo "The files with differences are as follows." >&2
          echo "$(git --no-pager diff --name-only HEAD)" >&2
          exit 1
      ## Run if diff exists and event is push or workflow_dispatch, make PR
      - if: >-
          ${{
              (github.event_name == 'push' || github.event_name == 'workflow_dispatch')
              && env.DIFF_IS_EMPTY != 'true'
          }}
        run: |
          # Determine Change Type via Submodule Script. This scripts read current uncommited changes.
          CHANGE_TYPE=$(npx zx ./line-openapi/tools/determine-change-type.mjs)
          echo "Determined change type: $CHANGE_TYPE"

          # 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

          # Create PR
          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

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