added parsing cv and auto fill

Author: Lina0Elman

nextstep-backend/src/controllers/resume_controller.ts

@@ -2,7 +2,7 @@ import { Request, Response } from 'express';
 import { config } from '../config/config';
 import fs from 'fs';
 import path from 'path';
-import { scoreResume, streamScoreResume, getResumeTemplates, generateImprovedResume } from '../services/resume_service';
+import { scoreResume, streamScoreResume, getResumeTemplates, generateImprovedResume, parseResumeFields } from '../services/resume_service';
 import multer from 'multer';
 import { CustomRequest } from "types/customRequest";
 import { handleError } from "../utils/handle_error";
@@ -93,4 +93,18 @@ const generateResume = async (req: Request, res: Response) => {
     }
 };
 
-export default { getResumeScore, getStreamResumeScore, getTemplates, generateResume };
+
+const parseResume = async (req: Request, res: Response) => {
+    try {
+      if (!req.file) {
+        return res.status(400).json({ error: 'No resume file uploaded' });
+      }
+      const parsed = await parseResumeFields(req.file.buffer, req.file.originalname);
+      return res.status(200).json(parsed);
+    } catch (err: any) {
+      console.error('Error parsing resume:', err);
+      return handleError(err, res);
+    }
+  };
+
+export default { parseResume, getResumeScore, getStreamResumeScore, getTemplates, generateResume };

nextstep-backend/src/routes/resume_routes.ts

@@ -1,6 +1,9 @@
 import express, { Request, Response } from 'express';
 import Resume from '../controllers/resume_controller';
 import { CustomRequest } from "types/customRequest";
+import multer from 'multer';
+
+const upload = multer(); 
 
 const router = express.Router();
 
@@ -12,4 +15,6 @@ router.get('/templates', Resume.getTemplates);
 
 router.post('/generate', Resume.generateResume);
 
+router.post('/parseResume',  upload.single('resume'), Resume.parseResume);
+
 export default router; 

nextstep-backend/src/services/resume_service.ts

@@ -8,6 +8,14 @@ import pdfParse from 'pdf-parse';
 import AdmZip from 'adm-zip';
 import { DOMParser, XMLSerializer } from 'xmldom';
 
+export interface ParsedResume {
+    aboutMe: string;
+    skills:    string[];
+    roleMatch: string;
+    experience:string[];
+    education?: string[];
+}
+
 const SYSTEM_TEMPLATE = `You are a very experienced ATS (Application Tracking System) bot with a deep understanding named Bob the Resume builder.
 You will review resumes with or without job descriptions.
 You are an expert in resume evaluation and provide constructive feedback with dynamic evaluation.
@@ -386,4 +394,51 @@ Rules:
     }
 };
 
-export { scoreResume, streamScoreResume, getResumeTemplates, generateImprovedResume };
+
+/**
+ * Extracts raw text from the uploaded resume buffer,
+ * prompts the AI to return { aboutMe, skills[], roleMatch, experience[] } as JSON.
+ */
+const parseResumeFields = async (
+    fileBuffer: Buffer,
+    originalName: string
+  ): Promise<ParsedResume> => {
+    // 1) Extract text
+    const ext = path.extname(originalName).toLowerCase();
+    let text: string;
+    if (ext === '.pdf') {
+      const data = await pdfParse(fileBuffer);
+      text = data.text;
+    } else {
+      // mammoth supports buffer input
+      const { value } = await mammoth.extractRawText({ buffer: fileBuffer });
+      text = value;
+    }
+  
+    // 2) Build the extraction prompt
+    const prompt = `
+  Extract from this resume the following fields as JSON:
+    • "aboutMe": a 1–2 sentence self-summary.
+    • "skills": an array of technical skills.
+    • "roleMatch": one-sentence best-fit role suggestion.
+    • "experience": an array of 3–5 bullet points of key achievements.
+  
+  Resume text:
+  ---
+  ${text}
+  ---
+    Respond with a single JSON object and nothing else. The json object should begin directly with parentheses and have the following structure: {"a": "value", "b": "value", ...}
+  `;
+  
+    // 3) Call your Chat AI
+    const aiResponse = await chatWithAI(
+      SYSTEM_TEMPLATE,     // you can reuse your existing SYSTEM_TEMPLATE or define a new one
+      [prompt]
+    );
+  
+    // 4) Parse & return
+    const parsed = JSON.parse(aiResponse.trim().replace("```json", "").replace("```", "")) as ParsedResume;
+    return parsed;
+  };
+
+export { scoreResume, streamScoreResume, getResumeTemplates, generateImprovedResume, parseResumeFields };