pr-comment-artifact-url.yml

# pr-comment-artifact-url.yml
---
name: Comment Artifact URL on PR

on:
  workflow_run:
    types:
      - "completed"
    workflows:
      - "Unity Cloud Build"
    branches-ignore:
      - "main"

permissions:
  contents: read  
  pull-requests: write

jobs:
  pre-validation:
    runs-on: ubuntu-latest
    outputs:
      pr-number: ${{ steps.check-pr.outputs.pr-number }}
    steps:
      - name: Check if PR number exists
        id: check-pr
        env:
          WORKFLOW_RUN_EVENT_OBJ: ${{ toJSON(github.event.workflow_run) }}
        run: |
          PR_NUMBER=$(jq -r '.pull_requests[0].number' <<< "$WORKFLOW_RUN_EVENT_OBJ")
          echo "Pull request Number: $PR_NUMBER"
          if [[ -z "$PR_NUMBER" || "$PR_NUMBER" == "null" ]]; then
            echo "PR_NUMBER is not set, skipping comment update."
            exit 0
          fi
          echo "pr-number=$PR_NUMBER" >> $GITHUB_OUTPUT

  comment-success:
    needs: pre-validation
    if: github.event.workflow_run.conclusion == 'success' && needs.pre-validation.outputs.pr-number != ''
    runs-on: ubuntu-latest
    steps:
      - name: Get Artifact and Pull request info
        env:
          GITHUB_TOKEN: ${{ github.token }}
          WORKFLOW_RUN_EVENT_OBJ: ${{ toJSON(github.event.workflow_run) }}
          OWNER: ${{ github.repository_owner }}
          REPO: ${{ github.event.repository.name }}
        run: |
          PREVIOUS_JOB_ID=$(jq -r '.id' <<< "$WORKFLOW_RUN_EVENT_OBJ")
          echo "Previous Job ID: $PREVIOUS_JOB_ID"
          echo "PREVIOUS_JOB_ID=$PREVIOUS_JOB_ID" >> "$GITHUB_ENV"

          SUITE_ID=$(jq -r '.check_suite_id' <<< "$WORKFLOW_RUN_EVENT_OBJ")
          echo "Previous Suite ID: $SUITE_ID"
          echo "SUITE_ID=$SUITE_ID" >> "$GITHUB_ENV"

          WINDOWS_ARTIFACT_ID=$(gh api "/repos/$OWNER/$REPO/actions/artifacts" \
            --jq ".artifacts.[] |
            select(.workflow_run.id==${PREVIOUS_JOB_ID}) |
            select(.expired==false) |
            select(.name==\"Decentraland_windows64\") |
            .id")
          echo "Windows Artifact ID: $WINDOWS_ARTIFACT_ID"
          echo "WINDOWS_ARTIFACT_ID=$WINDOWS_ARTIFACT_ID" >> "$GITHUB_ENV"

          MAC_ARTIFACT_ID=$(gh api "/repos/$OWNER/$REPO/actions/artifacts" \
            --jq ".artifacts.[] |
            select(.workflow_run.id==${PREVIOUS_JOB_ID}) |
            select(.expired==false) |
            select(.name==\"Decentraland_macos\") |
            .id")
          echo "Mac Artifact ID: $MAC_ARTIFACT_ID"
          echo "MAC_ARTIFACT_ID=$MAC_ARTIFACT_ID" >> "$GITHUB_ENV"

          ORIGINAL_EVENT=$(jq -r '.event' <<< "$WORKFLOW_RUN_EVENT_OBJ")
          echo "Original Event: $ORIGINAL_EVENT"

          HEAD_SHA=$(jq -r '.pull_requests[0].head.sha // .head_sha' <<< "$WORKFLOW_RUN_EVENT_OBJ")
          echo "Head SHA: $HEAD_SHA"
          echo "HEAD_SHA=$HEAD_SHA" >> "$GITHUB_ENV"

          SHORT_SHA=$(echo "$HEAD_SHA" | cut -c1-7)
          echo "Short SHA: $SHORT_SHA"

          SAFE_BRANCH_NAME=$(jq -r '.pull_requests[0].head.ref // .head_branch' <<< "$WORKFLOW_RUN_EVENT_OBJ")
          echo "Safe Branch Name: $SAFE_BRANCH_NAME"
          echo "SAFE_BRANCH_NAME=$SAFE_BRANCH_NAME" >> "$GITHUB_ENV"

          RUN_NUMBER=$(jq -r '.run_number' <<< "$WORKFLOW_RUN_EVENT_OBJ")
          echo "Run number: $RUN_NUMBER"
          echo "RUN_NUMBER=$RUN_NUMBER" >> "$GITHUB_ENV"

          case "$ORIGINAL_EVENT" in
            pull_request) BUILD_PREFIX="pr" ;;
            push) BUILD_PREFIX="pu" ;;
            merge_group) BUILD_PREFIX="mg" ;;
            workflow_dispatch) BUILD_PREFIX="wd" ;;
            workflow_call) BUILD_PREFIX="wc" ;;
            schedule) BUILD_PREFIX="sc" ;;
            *) BUILD_PREFIX="gn" ;;
          esac
          echo "Build Prefix: $BUILD_PREFIX"

          ARTIFACT_S3_DESTINATION_PATH="@dcl/$REPO/branch/$SAFE_BRANCH_NAME/${BUILD_PREFIX}-${RUN_NUMBER}-${SHORT_SHA}"
          echo "Artifact S3 Destination Path: $ARTIFACT_S3_DESTINATION_PATH"
          echo "ARTIFACT_S3_DESTINATION_PATH=$ARTIFACT_S3_DESTINATION_PATH" >> "$GITHUB_ENV"

          BUILD_DATE=$(jq -r '.updated_at' <<< "$WORKFLOW_RUN_EVENT_OBJ")
          echo "Build done on: $BUILD_DATE"
          echo "BUILD_DATE=$BUILD_DATE" >> "$GITHUB_ENV"

      - name: Download size reports
        env:
          GITHUB_TOKEN: ${{ github.token }}
          OWNER: ${{ github.repository_owner }}
          REPO: ${{ github.event.repository.name }}
        run: |
          gh run download "$PREVIOUS_JOB_ID" \
            --repo "$OWNER/$REPO" \
            --name size_report_windows64 \
            --dir size_reports 2>/dev/null || true
          gh run download "$PREVIOUS_JOB_ID" \
            --repo "$OWNER/$REPO" \
            --name size_report_macos \
            --dir size_reports 2>/dev/null || true

          WINDOWS_ROW=$(grep "^|" size_reports/size_report_windows64.md 2>/dev/null || true)
          MACOS_ROW=$(grep "^|" size_reports/size_report_macos.md 2>/dev/null || true)
          RELEASE_TAG=$(grep "^release_tag=" size_reports/size_report_windows64.md size_reports/size_report_macos.md 2>/dev/null | head -1 | cut -d= -f2 || true)

          if [ -n "$WINDOWS_ROW" ] || [ -n "$MACOS_ROW" ]; then
            {
              echo "SIZE_REPORT<<EOF"
              echo "### Artifact size check"
              echo ""
              echo "| Target | Size (MB / MiB) | Cap (MB) | Δ MB vs release | Δ % vs release | Result |"
              echo "|--------|----------------:|--------:|----------------:|---------------:|--------|"
              [ -n "$WINDOWS_ROW" ] && echo "$WINDOWS_ROW"
              [ -n "$MACOS_ROW" ] && echo "$MACOS_ROW"
              [ -n "$RELEASE_TAG" ] && echo "" && echo "_Comparing against: **${RELEASE_TAG}**_"
              echo "EOF"
            } >> "$GITHUB_ENV"
          else
            echo "SIZE_REPORT=" >> "$GITHUB_ENV"
          fi

      - name: Find Comment
        uses: peter-evans/find-comment@v2
        id: find-comment
        with:
          issue-number: ${{ needs.pre-validation.outputs.pr-number }}
          comment-author: 'github-actions[bot]'

      - name: Update Comment
        env:
          JOB_PATH: "${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ env.PREVIOUS_JOB_ID }}"
          WINDOWS_ARTIFACT_URL: "${{ github.server_url }}/${{ github.repository }}/suites/${{ env.SUITE_ID }}/artifacts/${{ env.WINDOWS_ARTIFACT_ID }}"
          WINDOWS_ARTIFACT_S3_URL: "${{ format('{0}/{1}/Decentraland_windows64.zip', vars.EXPLORER_TEAM_S3_BUCKET_PUBLIC_URL, env.ARTIFACT_S3_DESTINATION_PATH) }}"
          MAC_ARTIFACT_URL: "${{ github.server_url }}/${{ github.repository }}/suites/${{ env.SUITE_ID }}/artifacts/${{ env.MAC_ARTIFACT_ID }}"
          MAC_ARTIFACT_S3_URL: "${{ format('{0}/{1}/Decentraland_macos.zip', vars.EXPLORER_TEAM_S3_BUCKET_PUBLIC_URL, env.ARTIFACT_S3_DESTINATION_PATH) }}"
          HEAD_SHA: "${{ env.HEAD_SHA }}"
        uses: peter-evans/create-or-update-comment@v3
        with:
          issue-number: ${{ needs.pre-validation.outputs.pr-number }}
          comment-id: ${{ steps.find-comment.outputs.comment-id }}
          edit-mode: replace
          body: |-
            ![badge]  <img src="https://ui.decentraland.org/decentraland_256x256.png" width="30">

            Windows and Mac build successful in Unity Cloud! You can find a link to the downloadable artifact below.

            | Name                | Link                    |
            | --------            | ----------------------- |
            | Commit              | ${{ env.HEAD_SHA }}     |
            | Logs                | ${{ env.JOB_PATH }}     |
            | Download Windows    | ${{ env.WINDOWS_ARTIFACT_URL }} |
            | Download Windows S3 | ${{ env.WINDOWS_ARTIFACT_S3_URL }} |
            | Download Mac        | ${{ env.MAC_ARTIFACT_URL }} |
            | Download Mac S3     | ${{ env.MAC_ARTIFACT_S3_URL }} |
            | Built on            | ${{ env.BUILD_DATE }} |

            ${{ env.SIZE_REPORT }}

            [badge]: https://img.shields.io/badge/Build-Success!-3fb950?logo=github&style=for-the-badge

  comment-failed:
    needs: pre-validation
    if: github.event.workflow_run.conclusion == 'failure' && needs.pre-validation.outputs.pr-number != ''
    runs-on: ubuntu-latest
    steps:
      - name: Find Comment
        uses: peter-evans/find-comment@v2
        id: find-comment
        with:
          issue-number: ${{ needs.pre-validation.outputs.pr-number }}
          comment-author: 'github-actions[bot]'

      - name: Update Comment
        uses: peter-evans/create-or-update-comment@v3
        with:
          issue-number: ${{ needs.pre-validation.outputs.pr-number }}
          comment-id: ${{ steps.find-comment.outputs.comment-id }}
          edit-mode: replace
          body: |-
            ![badge]  <img src="https://ui.decentraland.org/decentraland_256x256.png" width="30"> 
            
            Build failed! Check the logs to see what went wrong

            [badge]: https://img.shields.io/badge/Build-Failed!-ff0000?logo=github&style=for-the-badge