Updated classroom.yml

(cherry picked from commit f03f8e4)

Author: kappsegla

.github/workflows/classroom.yml

@@ -10,6 +10,174 @@ permissions:
   pull-requests: write
 
 jobs:
+  ai_feedback:
+    name: AI-Powered Feedback
+    runs-on: ubuntu-latest
+    env:
+      OPENROUTER_MODEL: ${{ vars.OPENROUTER_MODEL }}
+      SYSTEM_PROMPT: ${{ vars.SYSTEM_PROMPT }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+
+      - name: Read assignment instructions
+        id: instructions
+        run: |
+          # Reads the content of the README.md file into an output variable.
+          # The `EOF` marker is used to handle multi-line file content.
+          echo "instructions=$(cat README.md | sed 's/\"/\\\"/g' | sed 's/$/\\n/' | tr -d '\n' | sed 's/\\n/\\\\n/g')" >> $GITHUB_OUTPUT
+
+      - name: Read source code
+        id: source_code
+        run: |
+          {
+            echo 'source_code<<EOF'
+            find src/main/java -type f -name "*.java" | while read -r file; do
+              echo "=== File: $file ==="
+              cat "$file"
+              echo
+            done
+            echo 'EOF'
+          } >> "$GITHUB_OUTPUT"
+
+      - name: Read test code
+        id: test_code
+        run: |
+          {
+            echo 'test_code<<EOF'
+            if [ -d "src/test/java" ]; then
+              find src/test/java -type f -name "*.java" | while read -r file; do
+                echo "=== File: $file ==="
+                cat "$file"
+                echo
+              done
+            else
+              echo "No test code found."
+            fi
+            echo 'EOF'
+          } >> "$GITHUB_OUTPUT"
+      - name: Generate AI Feedback
+        id: ai_feedback
+        run: |
+          # This step sends the collected data to the OpenRouter API.
+          INSTRUCTIONS=$(jq -Rs . <<'EOF'
+          ${{ steps.instructions.outputs.instructions }}
+          EOF
+          )
+          SOURCE_CODE=$(jq -Rs . <<'EOF'
+          ${{ steps.source_code.outputs.source_code }}
+          EOF
+          )
+          TEST_CODE=$(jq -Rs . <<'EOF'
+          ${{ steps.test_code.outputs.test_code }}
+          EOF
+          )
+
+          if [ -z "$INSTRUCTIONS" ] || [ -z "$SOURCE_CODE" ] || [ -z "$TEST_CODE" ]; then
+            echo "Error: One or more required variables are not set."
+          exit 1
+          fi
+
+          # Assigning to USER_CONTENT with variable expansion
+          PAYLOAD="Please provide feedback on the following Java assignment.
+
+          --- Assignment Instructions ---
+          ${INSTRUCTIONS}
+
+          --- Source files ---          
+          ${SOURCE_CODE}
+
+          --- Test files ---
+          ${TEST_CODE}"
+
+          JSON_CONTENT=$(jq -n \
+          --argjson model "$OPENROUTER_MODEL" \
+          --arg system_prompt "$SYSTEM_PROMPT" \
+          --arg payload "$PAYLOAD" \
+          '{
+          models: $model,
+          messages: [
+            {role: "system", content: $system_prompt},
+            {role: "user", content: $payload}
+          ]
+          }')
+
+          echo "$JSON_CONTENT"
+
+          API_RESPONSE=$(echo "$JSON_CONTENT" | curl https://openrouter.ai/api/v1/chat/completions \
+          -H "Authorization: Bearer ${{ secrets.OPENROUTER_API_KEY }}" \
+          -H "Content-Type: application/json" \
+          -d @-)
+
+          echo "$API_RESPONSE"
+
+          FEEDBACK_CONTENT=$(echo "$API_RESPONSE" | jq -r '.choices[0].message.content')
+          echo "feedback<<EOF" >> $GITHUB_OUTPUT
+          echo "$FEEDBACK_CONTENT" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+      - name: Post Feedback as PR Comment ✍️
+        uses: actions/github-script@v7
+        env:
+          FEEDBACK_BODY: ${{ steps.ai_feedback.outputs.feedback }}
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const { owner, repo } = context.repo;
+            const targetTitle = "Feedback";
+            const signature = "🤖 AI Feedback";
+
+            const { data: pullRequests } = await github.rest.pulls.list({
+              owner,
+              repo,
+              state: "open",
+              per_page: 100
+            });
+
+            const matchingPR = pullRequests.find(pr => pr.title.trim().toLowerCase() === targetTitle.toLowerCase());
+            if (!matchingPR) {
+              throw new Error(`No open pull request found with title '${targetTitle}'`);
+            }
+
+            const prNumber = matchingPR.number;
+
+            const { data: comments } = await github.rest.issues.listComments({
+              owner,
+              repo,
+              issue_number: prNumber,
+              per_page: 100
+            });
+
+            const existing = comments.find(c =>
+              c.user?.login === "github-actions[bot]" &&
+              c.body?.includes(signature)
+            );
+
+            const timestamp = new Date().toISOString();
+            const newEntry = `🕒 _Posted on ${timestamp}_\n\n${process.env.FEEDBACK_BODY}\n\n---\n`;
+
+            if (existing) {
+              // Extract previous entries and wrap them in a collapsible block
+              const previousContent = existing.body.replace(/^### 🤖 AI Feedback\s*/, '').trim();
+              const collapsed = `<details><summary>Previous Feedback</summary>\n\n${previousContent}\n</details>`;
+
+              const updatedBody = `### ${signature}\n\n${newEntry}${collapsed}`;
+              await github.rest.issues.updateComment({
+                owner,
+                repo,
+                comment_id: existing.id,
+                body: updatedBody
+              });
+              console.log(`🔄 Updated existing comment on PR #${prNumber}`);
+            } else {
+              const body = `### ${signature}\n\n${newEntry}`;
+              await github.rest.issues.createComment({
+                owner,
+                repo,
+                issue_number: prNumber,
+                body
+              });
+              console.log(`🆕 Posted new comment on PR #${prNumber}`);
+            }
   run-autograding-tests:
     name: AI-Powered Feedback and Autograding
     runs-on: ubuntu-latest