feat: restore direct PDF download via background; drop printdoc

2026-08-18 19:38:26 +08:00
parent 8bcfee341c
commit 1537881ebc
9 changed files with 304 additions and 197 deletions
@@ -0,0 +1,52 @@
+const { test } = require('node:test');
+const assert = require('node:assert');
+const fs = require('node:fs');
+const os = require('node:os');
+const path = require('node:path');
+const { execFileSync } = require('node:child_process');
+global.PDFLib = require('pdf-lib');
+const { buildStudyLoadPdf } = require('../pdf.js');
+
+const sampleData = {
+  header: {
+    fullName: 'ADRIAN ALFRED CHIONG BONPIN',
+    studentId: '22103625',
+    program: 'BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY',
+    yearLevel: '4',
+    semester: '1ST Semester 2026',
+    dateEnrolled: '8/5/2024',
+    dateRange: 'AUGUST - JANUARY'
+  },
+  courses: [
+    { group: '7', courseCode: 'CIS 2101', description: 'DATA STRUCTURES AND ALGORITHMS', units: '3.00', teacher: 'CHRISTIAN MADERAZO', schedule: 'M,W 03:00 PM - 05:30 PM LB443TC', status: 'REGULAR' },
+    { group: '2', courseCode: 'IT 3103N', description: 'SYSTEMS INTEGRATION AND ARCHITECTURE', units: '3.00', teacher: 'KHENT DELA PAZ', schedule: 'T,Th 01:30 PM - 03:00 PM DCISMVR3TC', status: 'REGULAR' }
+  ],
+  totalUnits: '6.00'
+};
+
+function extractPdfText(bytes) {
+  const tmp = path.join(os.tmpdir(), 'study-load-test.pdf');
+  fs.writeFileSync(tmp, Buffer.from(bytes));
+  const script = [
+    'import fitz',
+    `doc = fitz.open('${tmp}')`,
+    'text = ""',
+    'for page in doc:',
+    '    text += page.get_text()',
+    'print(text)'
+  ].join('\n');
+  return execFileSync('python3', ['-c', script], { encoding: 'utf8' });
+}
+
+test('buildStudyLoadPdf returns valid PDF bytes', async () => {
+  const bytes = await buildStudyLoadPdf(sampleData);
+  assert.ok(bytes instanceof Uint8Array);
+  const head = Buffer.from(bytes.slice(0, 5)).toString('latin1');
+  assert.strictEqual(head, '%PDF-');
+  const doc = await PDFLib.PDFDocument.load(bytes);
+  assert.strictEqual(doc.getPageCount(), 1);
+
+  const text = extractPdfText(bytes);
+  assert.ok(text.includes('CIS 2101'), 'PDF text should contain course code CIS 2101');
+  assert.ok(text.includes("STUDENT'S STUDY LOAD"), 'PDF text should contain the title');
+});
@@ -1,60 +0,0 @@
-const { test } = require('node:test');
-const assert = require('node:assert');
-const { buildStudyLoadHtml } = require('../printdoc.js');
-
-const sampleData = {
-  header: {
-    fullName: 'ADRIAN ALFRED CHIONG BONPIN',
-    studentId: '22103625',
-    program: 'BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY',
-    yearLevel: '4',
-    semester: '1ST Semester 2026',
-    dateEnrolled: '8/5/2024',
-    dateRange: 'AUGUST - JANUARY'
-  },
-  courses: [
-    { group: '7', courseCode: 'CIS 2101', description: 'DATA STRUCTURES AND ALGORITHMS', units: '3.00', teacher: 'CHRISTIAN MADERAZO', schedule: 'M,W 03:00 PM - 05:30 PM LB443TC', status: 'REGULAR' },
-    { group: '2', courseCode: 'IT 3103N', description: 'SYSTEMS INTEGRATION AND ARCHITECTURE', units: '3.00', teacher: 'KHENT DELA PAZ', schedule: 'T,Th 01:30 PM - 03:00 PM DCISMVR3TC', status: 'REGULAR' }
-  ],
-  totalUnits: '6.00'
-};
-
-test('buildStudyLoadHtml uses Letter page size', () => {
-  const html = buildStudyLoadHtml(sampleData);
-  assert.match(html, /@page\s*\{[^}]*size:\s*8\.5in\s*11in/i);
-});
-
-test('buildStudyLoadHtml includes title, student info, and table headers', () => {
-  const html = buildStudyLoadHtml(sampleData);
-  assert.ok(html.includes("STUDENT'S STUDY LOAD"));
-  assert.ok(html.includes('ADRIAN ALFRED CHIONG BONPIN'));
-  assert.ok(html.includes('22103625'));
-  assert.ok(html.includes('Year Level: 4'));
-  for (const h of ['GROUP', 'COURSE', 'COURSE DESCRIPTION', 'TEACHER', 'UNITS', 'NOTE']) {
-    assert.ok(html.includes(h), 'missing header: ' + h);
-  }
-});
-
-test('buildStudyLoadHtml includes course data, schedule, and total', () => {
-  const html = buildStudyLoadHtml(sampleData);
-  assert.ok(html.includes('CIS 2101'));
-  assert.ok(html.includes('DATA STRUCTURES AND ALGORITHMS'));
-  assert.ok(html.includes('M,W 03:00 PM - 05:30 PM LB443TC'));
-  assert.ok(html.includes('6.00'));
-});
-
-test('buildStudyLoadHtml escapes user content', () => {
-  const html = buildStudyLoadHtml({
-    header: { fullName: '<script>alert(1)</script>' },
-    courses: [{ group: '', courseCode: 'A&B', description: 'x"y', units: '1', teacher: '', schedule: '', status: 'R' }],
-    totalUnits: '1.00'
-  });
-  assert.ok(!html.includes('<script>alert(1)</script>'), 'script must be escaped');
-  assert.ok(html.includes('&lt;script&gt;'), 'script must appear escaped');
-  assert.ok(html.includes('A&amp;B'), 'ampersand must be escaped');
-});
-
-test('buildStudyLoadHtml auto-prints on load', () => {
-  const html = buildStudyLoadHtml(sampleData);
-  assert.ok(/window\.print\(\)/.test(html), 'must call window.print()');
-});