Cover Letter Generator

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\n \n \n `, {\n headers: { \"Content-Type\": \"text/html\" },\n });\n } else if (req.method === \"POST\") {\n console.log(\"Handling POST request\");\n const formData = await req.formData();\n const resumeFile = formData.get(\"resume\") as File;\n const jobDescription = formData.get(\"jobDescription\") as string;\n\n console.log(\"Resume file name:\", resumeFile?.name);\n console.log(\"Job Description length:\", jobDescription?.length);\n\n if (!resumeFile || !jobDescription) {\n return new Response(\"Both resume file and job description are required.\", { status: 400 });\n }\n \n if (!resumeFile.name.toLowerCase().endsWith('.pdf')) {\n return new Response(\"Resume must be a PDF file.\", { status: 400 });\n }\n\n const resumeText = await extractTextFromPDF(resumeFile);\n \n if (!resumeText) {\n return new Response(\"Failed to extract text from the PDF. Please ensure it's a valid PDF file.\", { status: 400 });\n }\n\n try {\n console.log(\"Generating cover letter\");\n const coverLetter = await generateCoverLetter(resumeText, jobDescription);\n console.log(\"Cover letter generated, length:\", coverLetter.length);\n\n return new Response(`\n \n \n Generated Cover Letter\n \n \n \n

Generated Cover Letter

${coverLetter}

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\n \n \n `, {\n headers: { \"Content-Type\": \"text/html\" },\n });\n } catch (error) {\n console.error(\"Error generating cover letter:\", error);\n return new Response(`Error generating cover letter: ${error.message}`, { status: 500 });\n }\n } else {\n return new Response(\"Method not allowed\", { status: 405 });\n }\n}\n\nasync function extractTextFromPDF(file: File): Promise {\n try {\n const { default: pdfjs } = await import(\"https://esm.sh/pdfjs-dist@3.4.120/build/pdf.min.js\");\n const arrayBuffer = await file.arrayBuffer();\n const pdf = await pdfjs.getDocument({ data: arrayBuffer }).promise;\n let text = '';\n for (let i = 1; i <= pdf.numPages; i++) {\n const page = await pdf.getPage(i);\n const content = await page.getTextContent();\n text += content.items.map((item: any) => item.str).join(' ') + '\\n';\n }\n return text.trim();\n } catch (error) {\n console.error(\"Error extracting text from PDF:\", error);\n return null;\n }\n}\n\nasync function generateCoverLetter(resume: string, jobDescription: string): Promise {\n console.log(\"Entering generateCoverLetter function\");\n const openai = new OpenAI();\n console.log(\"OpenAI instance created\");\n\n try {\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o-mini\",\n messages: [\n {\n role: \"system\",\n content: \"You are an expert in creating concise and effective cover letters. Your task is to generate a cover letter based on the provided resume and job description.\"\n },\n {\n role: \"user\",\n content: `Please create a concise cover letter based on the following resume and job description:\n\nResume:\n${resume}\n\nJob Description:\n${jobDescription}\n\nThe cover letter should be no more than 3-4 paragraphs long, highlighting the most relevant experiences and skills from the resume that match the job description. Make it persuasive and tailored to the specific job.`\n }\n ],\n max_tokens: 500,\n });\n\n console.log(\"OpenAI API call completed\");\n return completion.choices[0].message.content || \"Unable to generate cover letter.\";\n } catch (error) {\n console.error(\"Error in OpenAI API call:\", error);\n throw error;\n }\n}","deleted","label",[99],"permalink","https://www.val.town/x/shawnbasquiat/CoverLetterGenerator/code/main.tsx","extension","actionData","errors"]

Cover Letter Generator

Upload Resume (PDF)

Job Description

Generated Cover Letter