create-discussions.yml

name: Create GitHub Discussions

on:
  pull_request:
    types: [closed]
    branches:
      - main
    paths:
      - "src/content/apps/**"
  workflow_dispatch:
    inputs:
      name:
        description: "App Name"
        required: true
        type: string
      author:
        description: "App Author"
        required: true
        type: string
      description:
        description: "App Description"
        required: true
        type: string

jobs:
  create-discussion:
    if: >
      github.event_name == 'workflow_dispatch' || 
      (github.event_name == 'pull_request' && 
       github.event.pull_request.merged == true)
    runs-on: ubuntu-latest
    permissions:
      discussions: write
      pull-requests: read
      contents: read
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2 # Fetch at least 2 commits to have history

      - name: Get App Data
        id: app-data
        run: |
          if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
            # For manual triggers, use the input parameters
            echo "name=${{ inputs.name }}" >> $GITHUB_OUTPUT
            echo "author=${{ inputs.author }}" >> $GITHUB_OUTPUT
            echo "description=${{ inputs.description }}" >> $GITHUB_OUTPUT
          else
            # Debug information
            echo "Base SHA: ${{ github.event.pull_request.base.sha }}"
            echo "Head SHA: ${{ github.event.pull_request.head.sha }}"
            echo "Changed files:"
            git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }}
            
            # For push events, get the changed files
            CHANGED_FILES=$(git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }} | grep '^src/content/apps/.*\.md$' || true)
            
            # Debug the result
            echo "Matching MD files:"
            echo "$CHANGED_FILES"
            
            # Check if we found any changed files
            if [ -z "$CHANGED_FILES" ]; then
              echo "No relevant files changed"
              exit 0
            fi
            
            # Use the first changed file
            CHANGED_FILE=$(echo "$CHANGED_FILES" | head -n 1)
            
            # Extract app name and check if it exists in votes file
            NAME=$(grep -m 1 '^name: ' "$CHANGED_FILE" | sed -E 's/^name: "(.+)"$/\1/')
            
            # Check if app already has a discussion by looking in votes file
            if grep -q "\"$NAME\":" src/data/votes_*.json; then
              echo "Discussion already exists for $NAME"
              exit 0
            fi
            
            # Continue with existing code for new apps only...
            AUTHOR=$(grep -m 1 '^author: ' "$CHANGED_FILE" | sed -E 's/^author: "(.+)"$/\1/')
            DESCRIPTION=$(grep -m 1 '^description: ' "$CHANGED_FILE" | sed -E 's/^description: "(.+)"$/\1/')
            
            # Verify we got all required data
            if [ -z "$NAME" ] || [ -z "$AUTHOR" ] || [ -z "$DESCRIPTION" ]; then
              echo "Failed to extract required metadata from $CHANGED_FILE"
              exit 1
            fi
            
            # Properly escape the values for GitHub Actions output
            NAME="${NAME//'%'/'%25'}"
            NAME="${NAME//$'\n'/'%0A'}"
            NAME="${NAME//$'\r'/'%0D'}"
            AUTHOR="${AUTHOR//'%'/'%25'}"
            AUTHOR="${AUTHOR//$'\n'/'%0A'}"
            AUTHOR="${AUTHOR//$'\r'/'%0D'}"
            DESCRIPTION="${DESCRIPTION//'%'/'%25'}"
            DESCRIPTION="${DESCRIPTION//$'\n'/'%0A'}"
            DESCRIPTION="${DESCRIPTION//$'\r'/'%0D'}"
            
            echo "name=$NAME" >> $GITHUB_OUTPUT
            echo "author=$AUTHOR" >> $GITHUB_OUTPUT
            echo "description=$DESCRIPTION" >> $GITHUB_OUTPUT
          fi
          echo "year=$(date +%Y)" >> $GITHUB_OUTPUT

      - name: Create Discussion
        uses: abirismyname/create-discussion@v1.2.0
        with:
          title: "Vote ${{ steps.app-data.outputs.year }}: ${{ steps.app-data.outputs.name }} by ${{ steps.app-data.outputs.author }}"
          body: |
            **Vote for this app by giving it an upvote!**

            ${{ steps.app-data.outputs.description }}
          repository-id: ${{ secrets.REPO_ID }}
          category-id: ${{ secrets.CAT_ID }}
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}