144 lines
4.1 KiB
TypeScript
144 lines
4.1 KiB
TypeScript
/**
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* Service for generating PDF resumes using RXResume.
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* Wraps the existing Python rxresume_automation.py script.
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*/
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import { spawn } from 'child_process';
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import { join, dirname } from 'path';
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import { fileURLToPath } from 'url';
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import { readFile, writeFile, copyFile, access, mkdir } from 'fs/promises';
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import { existsSync } from 'fs';
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const __dirname = dirname(fileURLToPath(import.meta.url));
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const RESUME_GEN_DIR = join(__dirname, '../../../../resume-generator');
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const OUTPUT_DIR = join(__dirname, '../../../data/pdfs');
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export interface PdfResult {
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success: boolean;
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pdfPath?: string;
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error?: string;
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}
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/**
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* Generate a tailored PDF resume for a job.
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*
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* @param jobId - Unique job identifier (used for filename)
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* @param tailoredSummary - The AI-generated summary to inject
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* @param baseResumePath - Path to the base resume JSON (optional)
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*/
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export async function generatePdf(
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jobId: string,
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tailoredSummary: string,
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baseResumePath?: string
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): Promise<PdfResult> {
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console.log(`📄 Generating PDF for job ${jobId}...`);
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const resumeJsonPath = baseResumePath || join(RESUME_GEN_DIR, 'base.json');
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try {
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// Ensure output directory exists
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if (!existsSync(OUTPUT_DIR)) {
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await mkdir(OUTPUT_DIR, { recursive: true });
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}
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// Read base resume
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const baseResume = JSON.parse(await readFile(resumeJsonPath, 'utf-8'));
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// Inject tailored summary
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if (baseResume.sections?.summary) {
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baseResume.sections.summary.content = tailoredSummary;
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} else if (baseResume.basics?.summary) {
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baseResume.basics.summary = tailoredSummary;
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}
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// Write modified resume to temp file
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const tempResumePath = join(RESUME_GEN_DIR, `temp_resume_${jobId}.json`);
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await writeFile(tempResumePath, JSON.stringify(baseResume, null, 2));
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// Generate PDF using Python script
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const outputFilename = `resume_${jobId}.pdf`;
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const outputPath = join(OUTPUT_DIR, outputFilename);
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await runPythonPdfGenerator(tempResumePath, outputFilename);
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// Move generated PDF to our output directory
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const pythonOutputPath = join(RESUME_GEN_DIR, 'resumes', outputFilename);
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try {
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await access(pythonOutputPath);
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await copyFile(pythonOutputPath, outputPath);
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} catch {
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// PDF might already be in the right place or script output different location
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console.warn('PDF not found at expected Python output location');
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}
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// Cleanup temp file
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try {
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const { unlink } = await import('fs/promises');
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await unlink(tempResumePath);
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} catch {
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// Ignore cleanup errors
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}
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console.log(`✅ PDF generated: ${outputPath}`);
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return { success: true, pdfPath: outputPath };
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} catch (error) {
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const message = error instanceof Error ? error.message : 'Unknown error';
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console.error(`❌ PDF generation failed: ${message}`);
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return { success: false, error: message };
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}
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}
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/**
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* Run the Python RXResume automation script.
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*/
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async function runPythonPdfGenerator(
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jsonPath: string,
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outputFilename: string
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): Promise<void> {
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return new Promise((resolve, reject) => {
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// Use the virtual environment's Python
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const pythonPath = join(RESUME_GEN_DIR, '.venv', 'bin', 'python');
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const child = spawn(pythonPath, ['rxresume_automation.py'], {
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cwd: RESUME_GEN_DIR,
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env: {
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...process.env,
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RESUME_JSON_PATH: jsonPath,
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OUTPUT_FILENAME: outputFilename,
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},
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stdio: 'inherit',
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});
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child.on('close', (code) => {
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if (code === 0) {
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resolve();
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} else {
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reject(new Error(`Python script exited with code ${code}`));
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}
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});
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child.on('error', reject);
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});
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}
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/**
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* Check if a PDF exists for a job.
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*/
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export async function pdfExists(jobId: string): Promise<boolean> {
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const pdfPath = join(OUTPUT_DIR, `resume_${jobId}.pdf`);
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try {
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await access(pdfPath);
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return true;
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} catch {
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return false;
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}
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}
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/**
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* Get the path to a job's PDF.
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*/
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export function getPdfPath(jobId: string): string {
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return join(OUTPUT_DIR, `resume_${jobId}.pdf`);
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}
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