generate-sdk.yml

name: Generate SDK on PR Merge

on:
  push:
    branches:
      - main
    paths:
      - 'openapi.json'

permissions:
  contents: write

jobs:
  generate-sdk:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Get Last Commit Message
      id: commit_message
      run: |
        COMMIT_MSG=$(git log -1 --pretty=%B)
        echo "commit_message=$COMMIT_MSG" >> $GITHUB_OUTPUT

    - name: Check for Generate SDK Flag
      if: contains(steps.commit_message.outputs.commit_message, '[generate-sdk]')
      run: echo "Generate SDK flag found. Proceeding with SDK generation."

    - name: Exit if Flag Not Found
      if: "! contains(steps.commit_message.outputs.commit_message, '[generate-sdk]')"
      run: |
        echo "Generate SDK flag not found in commit message. Exiting."
        exit 0

    - name: Extract version from openapi.json
      id: extract_version
      run: |
        VERSION=$(jq -r '.info.version' openapi.json)
        echo "version=$VERSION" >> $GITHUB_OUTPUT

    - name: Set up Go
      uses: actions/setup-go@v3
      with:
        go-version: '1.20'

    - name: Install oapi-codegen
      run: go install github.com/deepmap/oapi-codegen/cmd/oapi-codegen@latest

    - name: Generate sdk.go
      run: oapi-codegen -generate types,client,spec -package oapiclient -o ./sdk/oapicodegenfromdoc.go ./openapi/openapi.json

    - name: Generate version.go
      run: |
        cat <<EOF > ./sdk/version.go
        package sdk

        // Version of the SDK
        const Version = "${{ steps.extract_version.outputs.version }}"
        EOF

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

    - name: Commit changes
      run: |
        git add ./sdk/oapicodegenfromdoc.go ./sdk/version.go
        git commit -m "Generate oapicodegenfromdoc.go and version.go"

    - name: Push changes
      uses: ad-m/github-push-action@v0.6.0
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        branch: main