action.yml

name: docs-message-action
description: Comment build log and release link

inputs:
  github-token:
    required: true
  project-link:
    required: false

runs:
  using: composite
  steps:
    - name: 'Download inputs'
      uses: dawidd6/action-download-artifact@v2
      with:
        run_id: ${{ github.event.workflow_run.id }}
        github_token: ${{ inputs.github-token }}
        name: inputs
        path: ./inputs
    - name: 'Download build log'
      uses: dawidd6/action-download-artifact@v2
      with:
        run_id: ${{ github.event.workflow_run.id }}
        github_token: ${{ inputs.github-token }}
        name: build-log-html

    - name: Prepare message
      run: |
        ICON_OK=':white_check_mark:'
        ICON_WARN='⚠️'
        ICON_ERROR=':x:'

        PROJECT_LINK=${{ inputs.project-link }}
        REVISION=$(cat ./inputs/revision)
        BUILD_LOG="./build-html.log"

        MESSAGE=""
        if [ "${{ github.event.workflow_run.conclusion }}" == "success" ]; then
            MESSAGE+="\nRevision built successfully"

            if [ -n "$PROJECT_LINK" ]; then
                MESSAGE+="\nRevision preview [link]($PROJECT_LINK?revision=${REVISION})"
            fi

            CARD_ICON=$ICON_OK
        else
            MESSAGE+="\nRevision build failed"
            CARD_ICON=$ICON_ERROR
        fi

        CARD="### $CARD_ICON Documentation build"
        CARD+="$MESSAGE\n"

        function log_section {
            PICK="$(grep "^$3" "$2" | sort | uniq || echo "")"

            if [[ -n $PICK ]]; then
                MARK=$4
                LOG_COUNT=$(grep --count "" <<<"$PICK")

                PICK=$(head -n 15 <<<"$PICK")

                TAB=$(echo "##### $1 ($LOG_COUNT) $PICK")

                if [[ $LOG_COUNT -gt 15 ]]; then
                    TRIM_COUNT=$(($LOG_COUNT - 15))
                    TAB+="\n\nLog was truncated. ($TRIM_COUNT records)"
                fi

                TAB=${TAB//$3/"\n  $MARK"}

                echo "$TAB\n"
            fi
        }

        ERROR_SEC=$(log_section Errors "$BUILD_LOG" "ERR" "$ICON_ERROR")
        WARN_SEC=$(log_section Warnings "$BUILD_LOG" "WARN" "$ICON_WARN")

        if [[ -n "$ERROR_SEC" || -n "$WARN_SEC" ]]; then
            CARD+="\n#### Build logs\n$ERROR_SEC\n$WARN_SEC\n"
        fi

        echo -e "$CARD" >> card.txt
      shell: bash

    - name: 'Comment to PR'
      uses: actions/github-script@v6
      if: github.event.workflow_run
      with:
        script: |
          const {readFileSync} = require('fs');

          const issue_number = readFileSync('./inputs/pr-number', 'utf-8')
          const body = readFileSync('./card.txt', 'utf-8')

          github.rest.issues.createComment({
            issue_number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            body,
          })