Fix: Update workflow for Fast Grants compatibility

Author: developerfred

.github/scripts/parse-fast-grants-delivery.js:

@@ -5,20 +5,20 @@ on:
 
 jobs:
   get-delivery-files:
-      runs-on: ubuntu-latest
-      outputs:
-        filenames: ${{ steps.files.outputs.added }}
-      
-      steps:
-        - name: Get filenames of any deliveries being added
-          id: files
-          uses: Ana06/get-changed-files@v2.3.0
-          with:
-            format: 'json'
-            filter: |
-              deliveries/*.md
-              maintenance_deliveries/*.md
-            
+    runs-on: ubuntu-latest
+    outputs:
+      filenames: ${{ steps.files.outputs.added }}
+    
+    steps:
+      - name: Get filenames of any deliveries being added
+        id: files
+        uses: Ana06/get-changed-files@v2.3.0
+        with:
+          format: 'json'
+          filter: |
+            deliveries/*.md
+            maintenance_deliveries/*.md
+          
   check_author:
     runs-on: ubuntu-latest 
     needs: get-delivery-files
@@ -27,34 +27,91 @@ jobs:
       fail-fast: false
       matrix:
         filename: ${{ fromJson(needs.get-delivery-files.outputs.filenames) }}
- 
+
     steps:
       - uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
-      - name: Parse delivery file 
+      - name: Debug delivery file
+        run: |
+          echo "Checking file: ${{ matrix.filename }}"
+          echo "File path: ${{ github.workspace }}/${{ matrix.filename }}"
+          echo "File exists: $(test -f "${{ github.workspace }}/${{ matrix.filename }}" && echo 'YES' || echo 'NO')"
+          echo ""
+          echo "Content around 'Application Document':"
+          grep -n -A2 -B2 -i "application document" "${{ github.workspace }}/${{ matrix.filename }}" || echo "Pattern not found"
+
+      - name: Extract application document (Fast Grants compatible)
         id: parse-delivery
-        uses: w3f/parse-milestone-delivery-action@master
-        with:
-          path: "${{ github.workspace }}/${{ matrix.filename }}"
+        run: |
+          file_path="${{ github.workspace }}/${{ matrix.filename }}"
+          
+          # Try multiple patterns to extract application document
+          app_doc=""
+          
+          # Pattern 1: After "**Application Document:**"
+          app_doc=$(grep -oP "(?<=\*\*Application Document:\*\*\s)[^\s\n]+" "$file_path" 2>/dev/null | head -1 || echo "")
+          
+          # Pattern 2: Simple applications/*.md pattern
+          if [ -z "$app_doc" ]; then
+            app_doc=$(grep -o "applications/[^[:space:]]*\.md" "$file_path" 2>/dev/null | head -1 || echo "")
+          fi
+          
+          # Pattern 3: More flexible regex
+          if [ -z "$app_doc" ]; then
+            app_doc=$(grep -E "applications/[a-zA-Z0-9_-]+\.md" "$file_path" 2>/dev/null | head -1 || echo "")
+          fi
+          
+          if [ -z "$app_doc" ]; then
+            echo "Error: Could not extract application document from $file_path"
+            echo "File content for debugging:"
+            head -20 "$file_path"
+            exit 1
+          fi
+          
+          echo "application_document=$app_doc" >> $GITHUB_OUTPUT
+          echo "Found application document: $app_doc"
 
       - name: Find PR author in application authors
-        uses: actions/github-script@v5
+        uses: actions/github-script@v7
         env:
           pr_author: ${{ github.event.pull_request.user.login }}
         with: 
           script: |
+            try {
+              console.log(`Checking commits for: ${{ steps.parse-delivery.outputs.application_document }}`);
+              console.log(`PR Author: ${process.env.pr_author}`);
+              
               const app_commits = await github.rest.repos.listCommits({
                 owner: 'Polkadot-Fast-Grants',
                 repo: 'apply',
-                path: 'applications/${{ steps.parse-delivery.outputs.application_document }}'
+                path: '${{ steps.parse-delivery.outputs.application_document }}'
               });
               
-              const app_authors = app_commits.data.map(c => c.author.login);
-              console.log(app_authors);
-
+              if (app_commits.data.length === 0) {
+                core.setFailed(`No commits found for application file: ${{ steps.parse-delivery.outputs.application_document }}`);
+                return;
+              }
+              
+              const app_authors = app_commits.data
+                .map(c => c.author?.login)
+                .filter(author => author != null && author !== undefined);
+              
+              console.log(`Application authors found: ${app_authors.join(', ')}`);
+              
+              if (app_authors.length === 0) {
+                core.setFailed('No valid authors found in application commits');
+                return;
+              }
               
               if (!app_authors.includes(process.env.pr_author)) {
-                core.setFailed('PR author does not match any application author.');
+                core.setFailed(`PR author '${process.env.pr_author}' does not match any application author. Valid authors: ${app_authors.join(', ')}`);
+              } else {
+                console.log('Author check passed! PR author matches application author.');
               }
+              
+            } catch (error) {
+              console.error('Error details:', error);
+              core.setFailed(`Error checking application authors: ${error.message}`);
+            }