feat: 付费体系重构 P0 - 配额独立化/简历付费下载/PDF生成

2026-06-12 09:31:11 +08:00
parent 5d407b4f79
commit 065fe7a186
23 changed files with 965 additions and 106 deletions
@@ -0,0 +1,81 @@
+import * as crypto from 'crypto'
+import { Injectable, Logger } from '@nestjs/common'
+
+@Injectable()
+export class ResumePdfService {
+  private readonly logger = new Logger(ResumePdfService.name)
+
+  async generatePdf(params: {
+    title: string
+    content: string
+    targetPosition?: string
+    userName?: string
+  }): Promise<Buffer> {
+    const { default: puppeteer } = await import('puppeteer')
+    const html = this.buildHtml(params)
+    const browser = await puppeteer.launch({
+      executablePath: '/root/.cache/puppeteer/chrome/linux-149.0.7827.22/chrome-linux64/chrome',
+      args: ['--no-sandbox', '--disable-setuid-sandbox', '--disable-dev-shm-usage'],
+    })
+    try {
+      const page = await browser.newPage()
+      await page.setContent(html, { waitUntil: 'load' })
+      const pdf = await page.pdf({
+        format: 'A4',
+        printBackground: true,
+        margin: { top: '20mm', bottom: '20mm', left: '15mm', right: '15mm' },
+      })
+      return Buffer.from(pdf)
+    } finally {
+      await browser.close()
+    }
+  }
+
+  private buildHtml(params: {
+    title: string
+    content: string
+    targetPosition?: string
+    userName?: string
+  }): string {
+    const contentHtml = params.content
+      .replace(/\n/g, '<br>')
+      .replace(/### (.+)/g, '<h3>$1</h3>')
+      .replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>')
+
+    return `<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+<meta charset="UTF-8">
+<style>
+  @page { size: A4; margin: 0; }
+  body {
+    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
+    font-size: 12pt; line-height: 1.6; color: #333; padding: 0; margin: 0;
+  }
+  .page { padding: 40px 30px; max-width: 210mm; margin: 0 auto; }
+  h1 { font-size: 22pt; color: #1a1a1a; margin-bottom: 4px; }
+  .subtitle { color: #666; font-size: 10pt; margin-bottom: 20px; }
+  h2 { font-size: 14pt; color: #2c6b9e; border-bottom: 2px solid #2c6b9e; padding-bottom: 4px; margin-top: 20px; }
+  h3 { font-size: 12pt; color: #333; margin-top: 12px; margin-bottom: 4px; }
+  strong { color: #1a1a1a; }
+  p { margin: 6px 0; }
+  ul { margin: 4px 0; padding-left: 20px; }
+  li { margin: 2px 0; }
+  .footer { margin-top: 30px; font-size: 9pt; color: #999; text-align: center; border-top: 1px solid #eee; padding-top: 10px; }
+</style>
+</head>
+<body>
+<div class="page">
+  <h1>${params.title}</h1>
+  <div class="subtitle">${params.targetPosition ? `目标岗位: ${params.targetPosition}` : ''}</div>
+  <div class="content">${contentHtml}</div>
+  <div class="footer">由 AI磁场·职引 生成</div>
+</div>
+</body>
+</html>`
+  }
+
+  computeHash(content: string): string {
+    return crypto.createHash('md5').update(content).digest('hex')
+  }
+}