270 lines
9.5 KiB
JavaScript
270 lines
9.5 KiB
JavaScript
(function (root, factory) {
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if (typeof module === 'object' && module.exports) {
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module.exports = factory();
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} else {
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root.ISMIStools = Object.assign(root.ISMIStools || {}, factory());
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}
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})(typeof self !== 'undefined' ? self : this, function () {
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'use strict';
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function getPDFLib() {
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return (typeof self !== 'undefined' && self.PDFLib) ||
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(typeof globalThis !== 'undefined' && globalThis.PDFLib);
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}
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function wrapText(text, font, size, maxWidth) {
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const words = String(text).split(/\s+/).filter(Boolean);
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const lines = [];
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let line = '';
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for (const word of words) {
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const candidate = line ? line + ' ' + word : word;
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if (font.widthOfTextAtSize(candidate, size) <= maxWidth) {
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line = candidate;
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} else {
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if (line) lines.push(line);
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line = word;
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}
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}
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if (line) lines.push(line);
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return lines.length ? lines : [''];
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}
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// Wraps multi-line text (segments split on \n) into wrapped lines.
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function wrapLines(text, font, size, maxWidth) {
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const out = [];
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String(text == null ? '' : text).split(/\n/).forEach((seg) => {
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out.push(...wrapText(seg, font, size, maxWidth));
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});
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return out.length ? out : [''];
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}
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// Compact a degree name for display:
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// "BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY" -> "BS IT".
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// Multi-word fields become initials; single-word fields stay title-cased.
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function compactProgram(program) {
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const s = String(program || '').trim().toUpperCase();
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let m = /^BACHELOR OF SCIENCE IN (.+)$/.exec(s);
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let prefix = 'BS';
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if (!m) {
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m = /^BACHELOR OF ARTS IN (.+)$/.exec(s);
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if (m) prefix = 'AB';
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}
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if (!m) return String(program || '').trim();
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const field = m[1];
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const words = field.split(/\s+/).filter((w) => !/^(AND|OF|THE|IN)$/.test(w));
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if (words.length <= 1) {
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const single = words[0] || field;
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return prefix + ' ' + single.charAt(0).toUpperCase() + single.slice(1).toLowerCase();
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}
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return prefix + ' ' + words.map((w) => w[0]).join('');
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}
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// Map a semester to the official date range label.
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function deriveDateRange(semester) {
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const s = String(semester || '').toUpperCase();
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if (/1ST|FIRST/.test(s)) return 'AUGUST - JANUARY';
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if (/2ND|SECOND/.test(s)) return 'JANUARY - MAY';
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if (/SUMMER/.test(s)) return 'JUNE - JULY';
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return '';
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}
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// Load the bundled header logo (JPEG) in the extension background page.
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// Returns null in Node (tests) or if the asset is unavailable.
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async function loadLogo() {
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try {
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const url = (typeof browser !== 'undefined' && browser.runtime && browser.runtime.getURL)
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? browser.runtime.getURL('assets/logo.jpeg')
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: null;
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if (!url) return null;
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const resp = await fetch(url);
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if (!resp.ok) return null;
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return new Uint8Array(await resp.arrayBuffer());
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} catch (e) {
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return null;
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}
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}
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// Builds a Letter-size PDF replicating the official ISMIS Study Load layout:
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// header logo, title, semester + date range, date enrolled, a student info
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// row (ID, name, program, Year Level), the course table (GROUP, COURSE,
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// COURSE DESCRIPTION, TEACHER, UNITS, NOTE), and a footer (total under the
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// UNITS column, printed-by). NOTE is the status; schedule is stacked under
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// the course description.
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async function buildStudyLoadPdf(data) {
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const PDFLib = getPDFLib();
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const { PDFDocument, StandardFonts, rgb } = PDFLib;
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const header = data.header || {};
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const courses = data.courses || [];
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const doc = await PDFDocument.create();
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let page = doc.addPage([612, 792]); // Letter
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const font = doc.embedStandardFont(StandardFonts.Helvetica);
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const bold = doc.embedStandardFont(StandardFonts.HelveticaBold);
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const italic = doc.embedStandardFont(StandardFonts.HelveticaOblique);
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const margin = 50;
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const contentWidth = 612 - margin * 2;
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let y = 792 - 50;
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const black = rgb(0, 0, 0);
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const gray = rgb(0.3, 0.3, 0.3);
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const logoBytes = await loadLogo();
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let logoImg = null;
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if (logoBytes) {
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try { logoImg = await doc.embedJpg(logoBytes); } catch (e) { logoImg = null; }
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}
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function center(text, size, f, dy) {
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const w = f.widthOfTextAtSize(text, size);
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page.drawText(text, { x: (612 - w) / 2, y, size, font: f, color: black });
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y -= dy;
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}
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function left(text, size, f, x, dy) {
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page.drawText(text, { x, y, size, font: f, color: black });
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y -= dy;
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}
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function hline(x1, x2, atY) {
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page.drawRectangle({ x: x1, y: atY, width: x2 - x1, height: 0.75, color: black });
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}
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// ---- Header ----
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if (logoImg) {
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const logoW = 292.5;
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const logoH = logoW * (logoImg.height / logoImg.width);
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page.drawImage(logoImg, { x: (612 - logoW) / 2, y: y - logoH, width: logoW, height: logoH });
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y -= logoH + 14;
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}
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center("STUDENT'S STUDY LOAD", 9.5, bold, 16);
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if (header.semester) center(String(header.semester).toUpperCase(), 9, font, 14);
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const dateRange = header.dateRange || deriveDateRange(header.semester);
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if (dateRange) center(dateRange, 9, font, 14);
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if (header.dateEnrolled) left('Date Enrolled: ' + header.dateEnrolled, 8, italic, margin, 13);
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// Student info row: ID (bold), name, program (compacted), "Year Level: N"
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const studentParts = [];
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if (header.studentId) studentParts.push({ text: header.studentId, f: bold });
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if (header.fullName) studentParts.push({ text: header.fullName, f: font });
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if (header.program) studentParts.push({ text: compactProgram(header.program), f: font });
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if (header.yearLevel) studentParts.push({ text: 'Year Level: ' + header.yearLevel, f: font });
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if (studentParts.length) {
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let sx = margin;
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for (const part of studentParts) {
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const w = part.f.widthOfTextAtSize(part.text, 9);
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page.drawText(part.text, { x: sx, y, size: 9, font: part.f, color: black });
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sx += w + 18;
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}
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y -= 16;
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}
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// ---- Table: GROUP, COURSE, COURSE DESCRIPTION, TEACHER, UNITS, NOTE ----
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const cols = [
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{ key: 'group', label: 'GROUP', x: margin, w: 26, align: 'left' },
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{ key: 'courseCode', label: 'COURSE', x: margin + 26, w: 46, align: 'left' },
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{ key: 'description', label: 'COURSE DESCRIPTION', x: margin + 72, w: 189, align: 'left' },
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{ key: 'teacher', label: 'TEACHER', x: margin + 261, w: 123, align: 'left' },
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{ key: 'units', label: 'UNITS', x: margin + 384, w: 31, align: 'right' },
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{ key: 'status', label: 'NOTE', x: margin + 415, w: 97, align: 'right' }
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];
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const cellSize = 8;
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const headerSize = 8;
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const lineH = 10;
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function rowLines(cells) {
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return cols.map((c) => {
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let lines;
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if (c.key === 'description') {
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lines = wrapLines(cells.description, font, cellSize, c.w - 6);
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const sched = String(cells.schedule || '');
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if (sched) lines.push(...wrapText(sched, font, cellSize, c.w - 6));
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} else {
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lines = wrapLines(cells[c.key], font, cellSize, c.w - 6);
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}
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return lines;
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});
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}
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function drawRow(cells, isHeader) {
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const f = isHeader ? bold : font;
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const size = isHeader ? headerSize : cellSize;
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const linesPerCol = rowLines(cells);
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const rowHeight = Math.max(...linesPerCol.map((l) => l.length)) * lineH + 8;
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if (y - rowHeight < 50) {
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page = doc.addPage([612, 792]);
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y = 792 - 50;
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drawHeaderRow();
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}
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if (isHeader) {
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hline(margin, margin + contentWidth, y);
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}
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for (let i = 0; i < cols.length; i++) {
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const c = cols[i];
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const lines = linesPerCol[i];
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let ty = y - 9;
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for (const line of lines) {
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if (c.align === 'right') {
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const w = f.widthOfTextAtSize(line, size);
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page.drawText(line, { x: c.x + c.w - 3 - w, y: ty, size, font: f, color: black });
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} else {
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page.drawText(line, { x: c.x + 3, y: ty, size, font: f, color: black });
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}
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ty -= lineH;
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}
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}
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y -= rowHeight;
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if (isHeader) {
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hline(margin, margin + contentWidth, y);
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}
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return true;
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}
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function drawHeaderRow() {
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const cells = {};
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cols.forEach((c) => { cells[c.key] = c.label; });
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drawRow(cells, true);
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}
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drawHeaderRow();
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for (const course of courses) {
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const cells = {
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group: course.group,
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courseCode: course.courseCode,
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description: course.description,
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schedule: course.schedule,
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teacher: course.teacher || course.faculty,
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units: course.units,
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status: course.status
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};
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drawRow(cells, false);
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}
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// ---- Footer ----
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if (y < 90) {
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page = doc.addPage([612, 792]);
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y = 792 - 50;
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}
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y -= 8;
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if (data.totalUnits) {
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// Total sits under the UNITS column, right-aligned within it.
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const unitsCol = cols[4];
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const w = bold.widthOfTextAtSize(data.totalUnits, 9);
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page.drawText(data.totalUnits, { x: unitsCol.x + unitsCol.w - 3 - w, y, size: 9, font: bold, color: black });
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y -= 14;
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}
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hline(margin, margin + contentWidth, y);
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y -= 12;
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const printedBy = 'Printed by: ' + (header.studentId || '') + ' on ' + new Date().toLocaleDateString();
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const pw = font.widthOfTextAtSize(printedBy, 8);
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page.drawText(printedBy, { x: margin + contentWidth - pw, y, size: 8, font, color: gray });
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return doc.save(); // returns Promise<Uint8Array>
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}
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return { buildStudyLoadPdf, compactProgram, deriveDateRange };
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});
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