update js files to swith from using upload to

local storage

public/js/script.js

@@ -1,7 +1,6 @@
 document.getElementById('uploadForm').addEventListener('submit', async function (event) {
   event.preventDefault();
 
-  const formData = new FormData(this);
   const outputSection = document.getElementById('outputSection');
   const coverLetterOutput = document.getElementById('coverLetterOutput');
   const generateBtn = document.getElementById('generateBtn');
@@ -16,10 +15,36 @@ document.getElementById('uploadForm').addEventListener('submit', async function
   outputSection.style.display = "block";
   coverLetterOutput.value = "Generating cover letter...";
 
+
+  const fileInput = document.getElementById('resume');
+  const jobDescriptionInput = document.getElementById('jobDescription');
+
+  if (!fileInput || !jobDescriptionInput) {
+    console.error("Form elements not found.");
+    return;
+  }
+
+  const file = fileInput.files[0];
+  const jobDescription = jobDescriptionInput.value;
+
+  if (!file) {
+    alert("Please upload a resume.");
+    return;
+  }
+
+  if (!jobDescription.trim()) {
+    alert("Please enter a job description.");
+    return;
+  } 
+
+  const formData = new FormData();
+  formData.append("resume", file);
+  formData.append("jobDescription", jobDescription);
+
   try {
     const response = await fetch('/generate', {
-      method: 'POST',
+      method: "POST",
-      body: formData
+      body: formData,
   });
 
     const result = await response.json();
@@ -51,15 +76,24 @@ document.getElementById('downloadBtn').addEventListener('click', async function(
           body: JSON.stringify({ coverLetterText })
       });
 
-    const result = await response.json();
+      if (!response.ok) throw new Error('Failed to download document.');
-    if (result.downloadLink) {
+
-      window.location.href = result.downloadLink;
+      // Convert response to blob
-    } else {
+      const blob = await response.blob();
-      alert('Error downloading document.')
+      const url = window.URL.createObjectURL(blob);
-    }
+
+      // Create a temporary download link
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = 'cover_letter.docx';
+      document.body.appendChild(a);
+      a.click();
+
+      // Cleanup
+      document.body.removeChild(a);
+      window.URL.revokeObjectURL(url);
   } catch (error) {
       console.error('Error:', error);
-    alert('Failed to download document.')
+      alert('Failed to download document.');
   }
-
 });

routes/generate.js

@@ -3,17 +3,13 @@ const express = require('express');
 const multer = require('multer');
 const pdf = require('pdf-parse');
 const { Document, Packer, Paragraph, TextRun } = require('docx');
-const fs = require('fs');
-const promises = require('fs/promises');
 const Anthropic = require('@anthropic-ai/sdk');
-const path = require('path');
-const { runInNewContext } = require('vm');
 
 // Load Environment Variables
 require('dotenv').config();
 
 const router = express.Router();
-const upload = multer({ dest: 'uploads/'});
+const upload = multer({ storage: multer.memoryStorage() });
 
 // initialize LLM
 //TODO Update to have User Provide their own key
@@ -25,21 +21,27 @@ const anthropic = new Anthropic({
 // Handle Resume upload and user input for Job Description
 router.post('/', upload.single('resume'), async (req, res) =>{
   try{
-    const resumePath = req.file.path;
+
+    if (!req.file || !req.body.jobDescription) {
+      return res.status(400).json({ error: 'Resume and Job Description are required' });
+    }
+
+    let resumeText = req.file.buffer.toString('utf-8');
     const jobDescription = req.body.jobDescription;
 
+    if (req.file.mimetype === 'application/pdf') {
+      const pdfData = await pdf(req.file.buffer);
+      resumeText = pdfData.text;
+    }
+
     // Load the LLM APi Messages
     // These include placeholders to be replaced later in function
     const resume_parser_api = require('../data/resume_parser_api.json');
     const cover_letter_api = require('../data/cover_letter_api.json');
 
 
-    // Extract Data from PDF (includes text and meta data if needed for later development)
-    const resumeData = await promises.readFile(resumePath);
-    const extractedResumeText = await pdf(resumeData);
-
     // Replace placeholder in resume api with extracted text 
-    resume_parser_api.messages[0].content[0].text = resume_parser_api.messages[0].content[0].text.replace("{{resume}}", extractedResumeText.text);
+    resume_parser_api.messages[0].content[0].text = resume_parser_api.messages[0].content[0].text.replace("{{resume}}", resumeText);
 
     // Send resume to LLM 
     const resumeResponse = await anthropic.messages.create(resume_parser_api);
@@ -64,7 +66,7 @@ router.post('/', upload.single('resume'), async (req, res) =>{
 
 router.post('/download', async (req, res) => {
   try {
-    const { coverLetterText } = res.body;
+    const { coverLetterText } = req.body;
 
     const outputFilename = path.join(__dirname, '../uploads/cover_letter.docx');
     generateCoverLetter(coverLetterText, outputFilename);
@@ -77,10 +79,56 @@ router.post('/download', async (req, res) => {
 });
 
 function generateCoverLetter(rawText, outputFilename) {
+  const header = rawText.match(/<header>(.*?)<\/header>/s)[1].trim();
+  const greeting = rawText.match(/<greeting>(.*?)<\/greeting>/s)[1].trim();
+  const introduction = rawText.match(/<introduction>(.*?)<\/introduction>/s)[1].trim();
+  const body = rawText.match(/<body>(.*?)<\/body>/s)[1].trim();
+  const conclusion = rawText.match(/<conclusion>(.*?)<\/conclusion>/s)[1].trim();
+  const signature = rawText.match(/<signature>(.*?)<\/signature>/s)[1].trim();
+
+  // Create a new document using docx
   const doc = new Document({
     sections: [
       {
-        children: [new Paragraph({ children: [new TextRun(rawText)] })],
+        properties: {},
+        children: [
+          new Paragraph({
+            children: [
+              new TextRun(header),
+              new TextRun("\n\n"), // Add line breaks between sections
+            ],
+          }),
+          new Paragraph({
+            children: [
+              new TextRun(greeting),
+              new TextRun("\n\n"),
+            ],
+          }),
+          new Paragraph({
+            children: [
+              new TextRun(introduction),
+              new TextRun("\n\n"),
+            ],
+          }),
+          new Paragraph({
+            children: [
+              new TextRun(body),
+              new TextRun("\n\n"),
+            ],
+          }),
+          new Paragraph({
+            children: [
+              new TextRun(conclusion),
+              new TextRun("\n\n"),
+            ],
+          }),
+          new Paragraph({
+            children: [
+              new TextRun(signature),
+              new TextRun("\n\n"),
+            ],
+          }),
+        ],
       },
     ],
   });