added comment reply events - major refactor contn'd

src/handlers/PRCommentHandler.ts

@@ -18,9 +18,20 @@ export class PRCommentHandler {
         // Read event data
         const event = JSON.parse(readFileSync(eventPath, 'utf8'));
         const { pull_request: pr, comment } = event;
+
+        // TODO: remove
+        await this.gitHubService.addReactionToComment(pr.base.repo.owner.login, pr.base.repo.name, comment.id, 'laugh');
+
+        // Check if Dexter is mentioned in the comment, if not then skip
+        if (!comment.body.includes('Dexter','dexter','dexter-ai')) {
+            console.log('Dexter not mentioned, skipping response...');
+            return;
+        }
 
         // Add reaction to the comment
         await this.gitHubService.addReactionToComment(pr.base.repo.owner.login, pr.base.repo.name, comment.id, 'eyes');
+
+
 
         // Fetch PR metadata and diff
         const prDetails: PRMetadata = await this.gitHubService.getPRMetadata(eventPath);
@@ -36,10 +47,10 @@ export class PRCommentHandler {
         const prompt = createPRCommentResponsePrompt(prDetails, discussionThread, comment.body, comment.user.login, diffFiles)
 
         // Get AI response for the comment
-        const aiResponse = await this.aiService.getAIPullRequestResponse(prompt, this.appConfig.OPENAI_API_MODEL);
+        const aiResponse = await this.aiService.getAIPullRequestCommentResponse(prompt, this.appConfig.OPENAI_API_MODEL);
 
         // Process AI response and create a comment reply
-        const replyMessage = aiResponse?.[0]?.reviewComment || `Sorry, can't help you with that, ${comment.user.login}! 😭`;
+        const replyMessage = aiResponse || `Sorry, can't help you with that, ${comment.user.login} (blame OpenAI!) 😭`;
 
         // Reply to the comment in the PR
         await this.gitHubService.createReviewCommentReply(prDetails.owner, prDetails.repo, prDetails.pull_number, comment.id, replyMessage);

src/index.ts

@@ -9,7 +9,7 @@ const githubService = new GitHubService(appConfig.GITHUB_TOKEN);
 const aiService = new OpenAIService(appConfig.OPENAI_API_KEY);
 
 const prHandler = new PRHandler(githubService, aiService, appConfig);
-const prCommentHandler = new PRCommentHandler(githubService);
+const prCommentHandler = new PRCommentHandler(githubService, aiService, appConfig);
 
 // Example event data structure
 const event = {

src/services/OpenAIService.ts

@@ -30,4 +30,28 @@ export class OpenAIService {
       return null;
     }
   }
+
+  async getAIPullRequestCommentResponse(prompt: string, model: string): Promise<string> {
+    const queryConfig = {
+      model,
+      temperature: 0.3,
+      max_tokens: 500,
+      top_p: 1,
+      frequency_penalty: 0,
+      presence_penalty: 0,
+    };
+
+    try {
+      const response = await this.openai.chat.completions.create({
+        ...queryConfig,
+        messages: [{ role: "system", content: prompt }],
+      });
+
+      const res = response.choices[0].message?.content?.trim() || "";
+      return res;
+    } catch (error) {
+      console.error("Error in OpenAI Service:", error);
+      return "I'm sorry, I couldn't generate a response at this time.";
+    }
+  }
 }

src/utils/prompts.ts

@@ -23,25 +23,28 @@ export function createPRReviewPrompt(file: File, chunk: Chunk, prDetails: PRMeta
 export function createPRCommentResponsePrompt(prDetails: PRMetadata, discussionThread: string, triggeringComment: string, commenterName: string, codeDiffs: File[]): string {
     const basePrompt = createBasePrompt(prDetails);
     let codeDiffContext = '';
-    for (const { filePath, chunk } of codeDiffs) {
-        const codeDiff = `Code to Review (File: ${file.path}): \n\`\`\`\ndiff ${chunk.content} ${chunk.changes.map(c => `${c.ln ? c.ln : c.ln2} ${c.content}`).join("\n")}\n\`\`\`\n`;
-        codeDiffContext += codeDiff + '\n';
+
+    for (const file of codeDiffs) {
+        for (const chunk of file.chunks) {
+            const codeDiff = `Code to Review (File: ${file.path}): \n\`\`\`\ndiff ${chunk.content} ${chunk.changes.map(c => `${c.ln || c.ln2}: ${c.content}`).join("\n")}\n\`\`\`\n`;
+            codeDiffContext += codeDiff + '\n';
+        }
     }
 
     const prompt = `${basePrompt}
-        Task: Respond to a comment in a pull request with a suitable reply
+        Task: Respond to a comment in a pull request adhering to the instructions given to you.
 
-        Code diff in the pull request: ${codeDiffContext}
+        Code diff in the pull request:
+        ${codeDiffContext}
 
         Discussion Thread:
         ${discussionThread}
 
         Reply to Comment by ${commenterName}: "${triggeringComment}"
 
-        Based on the provided discussion context and the specific query in the triggering comment, generate a suitable response that addresses ${commenterName}'s concerns or questions in EXACTLY this JSON
+        Based on the provided discussion context and the specific query in the triggering comment, generate a suitable response that addresses ${commenterName}'s concerns or questions in JSON format.
     `;
 
     console.log("Prompt: ", prompt);
-
     return prompt;
-}
+}

tsconfig.json

@@ -2,7 +2,8 @@
   "compilerOptions": {
     "target": "ESNext",
     "module": "CommonJS",
+    "outDir": "./dist",
     "strict": true,
     "esModuleInterop": true
   }
-}
+}