348 lines
13 KiB
JavaScript
348 lines
13 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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// Format the raw schedule string to match the official PDF style:
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// comma-separate day codes, trim duplicated room suffixes, and split
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// multiple meeting segments onto separate lines.
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function formatSchedule(schedule) {
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let s = String(schedule || '').replace(/\s+/g, ' ').trim();
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if (!s) return s;
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// Collapse duplicated TC anywhere in the string.
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while (/TC\s+TC/.test(s)) s = s.replace(/TC\s+TC/g, 'TC');
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// Join adjacent day codes with commas.
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s = s.replace(/\b(M|Tu|T|W|Th|F|Sa|Su)\s+(M|Tu|T|W|Th|F|Sa|Su)\b/g, '$1,$2');
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// Split concatenated meeting segments (room ending in TC followed by a
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// day code) onto separate lines.
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s = s.replace(/(TC)\s+(?=(?:Su|Sa|Th|Tu|M|W|F|T)\b)/g, '$1\n');
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return s;
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}
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// Reformat a full name to "Lastname, Firstname Middle" when the source gives
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// it as "Firstname Middle Lastname" (no comma). If a comma is already
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// present the name is returned unchanged.
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function formatFullName(name) {
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const s = String(name || '').trim();
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if (!s || /,/.test(s)) return s;
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const parts = s.split(/\s+/);
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if (parts.length < 2) return s;
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const last = parts.pop();
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return last + ', ' + parts.join(' ');
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}
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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 = 36;
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const contentWidth = 539.3; // matches reference right edge 575.3
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let y = 792 - 10; // near the very top, matching the reference logo position
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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 + 8;
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}
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center("STUDENT'S STUDY LOAD", 9.5, bold, 14);
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if (header.semester) center(String(header.semester).toUpperCase(), 9, font, 13.5);
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const dateRange = header.dateRange || deriveDateRange(header.semester);
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if (dateRange) center(dateRange, 9, font, 13.5);
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if (header.dateEnrolled) left('Date Enrolled: ' + header.dateEnrolled, 8, italic, margin, 13.5);
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// Student info row, laid out in fixed zones across the page (matching the
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// reference): ID (bold) left, name at ~100, program at ~338, and
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// "Year Level: N" right-aligned to the right content edge (575.3).
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const yearLevelText = header.yearLevel ? 'Year Level: ' + header.yearLevel : '';
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if (header.studentId) page.drawText(header.studentId, { x: margin, y, size: 9, font: bold, color: black });
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if (header.fullName) page.drawText(formatFullName(header.fullName), { x: 100, y, size: 9, font, color: black });
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if (header.program) page.drawText(compactProgram(header.program), { x: 338, y, size: 9, font, color: black });
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if (yearLevelText) {
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const w = font.widthOfTextAtSize(yearLevelText, 9);
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page.drawText(yearLevelText, { x: margin + contentWidth - w, y, size: 9, font, color: black });
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}
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if (header.studentId || header.fullName || header.program || yearLevelText) y -= 14.5;
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// ---- Table: GROUP, COURSE, COURSE DESCRIPTION, TEACHER, UNITS, NOTE ----
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// Column boundaries tuned to the reference PDF (left edge 36, right edge 575.3).
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const cols = [
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{ key: 'group', label: 'GROUP', x: 36.0, w: 28.8, align: 'left' },
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{ key: 'courseCode', label: 'COURSE', x: 64.8, w: 47.6, align: 'left' },
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{ key: 'description', label: 'COURSE DESCRIPTION', x: 112.4, w: 201.4, align: 'left' },
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{ key: 'teacher', label: 'TEACHER', x: 313.8, w: 127.6, align: 'left' },
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{ key: 'units', label: 'UNITS', x: 441.4, w: 29.5, align: 'right' },
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{ key: 'status', label: 'NOTE', x: 470.9, w: 104.4, 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 = 12;
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// Header label positions tuned for Helvetica: left/center aligned within
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// each column so labels never overlap.
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function headerLabelXFor() {
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const widths = {};
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for (const c of cols) {
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const key = c.label.toUpperCase().replace(/\s+/g, '_');
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widths[key] = bold.widthOfTextAtSize(c.label, headerSize);
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}
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return {
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GROUP: cols[0].x,
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COURSE: cols[1].x + 5,
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COURSE_DESCRIPTION: cols[2].x + (cols[2].w - widths.COURSE_DESCRIPTION) / 2,
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TEACHER: cols[3].x + (cols[3].w - widths.TEACHER) / 2,
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UNITS: cols[4].x + (cols[4].w - widths.UNITS) / 2,
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NOTE: cols[5].x + (cols[5].w - widths.NOTE) / 2
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};
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}
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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(...wrapLines(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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if (isHeader) {
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// Reference header row: only a top and bottom horizontal rule; no
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// vertical dividers. Text baseline at y; top rule 1.8pt above the
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// text bbox top; bottom rule 11.5pt below the text bbox top. For
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// 8pt Helvetica the text bbox top sits ~8.6pt above the baseline,
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// so the lines are offset by +9.6 (top) and -3.7 (bottom) relative
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// to y. Data rows start 13pt below the header text bbox top.
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const topY = y + 9.6;
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const botY = y - 3.7;
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if (botY < 50) {
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page = doc.addPage([612, 792]);
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y = 792 - 10;
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return drawHeaderRow();
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}
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hline(margin, margin + contentWidth, topY);
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const labelXs = headerLabelXFor();
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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 labelKey = c.label.toUpperCase().replace(/\s+/g, '_');
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const lx = labelXs[labelKey];
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const lines = linesPerCol[i];
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page.drawText(lines[0], { x: lx, y, size, font: f, color: black });
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}
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hline(margin, margin + contentWidth, botY);
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y -= 13.0;
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return true;
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}
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// Data rows: fixed 24.5pt baseline-to-baseline spacing. Description +
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// schedule stack with 12pt line spacing. Expand the row height when
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// the schedule or wrapped description needs more lines.
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const maxLines = Math.max(...linesPerCol.map((l) => l.length));
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const rowHeight = Math.max(24.5, maxLines * lineH + 0.5);
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if (y - rowHeight < 50) {
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page = doc.addPage([612, 792]);
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y = 792 - 10;
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drawHeaderRow();
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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;
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for (const line of lines) {
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if (c.key === 'units') {
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const w = f.widthOfTextAtSize(line, size);
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page.drawText(line, { x: c.x + c.w - w, y: ty, size, font: f, color: black });
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} else if (c.key === 'status') {
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page.drawText(line, { x: c.x + 35, y: ty, size, font: f, color: black });
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} else {
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let dx = 3;
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if (c.key === 'group') dx = 12;
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else if (c.key === 'courseCode') dx = 8;
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else if (c.key === 'teacher') dx = 3.5;
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else if (c.key === 'description') dx = 3.5;
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page.drawText(line, { x: c.x + dx, 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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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: formatSchedule(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 - 10;
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}
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y -= 12;
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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, 8);
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// Short underline above the total, spanning the UNITS column.
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hline(unitsCol.x, unitsCol.x + unitsCol.w, y + 9);
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page.drawText(data.totalUnits, { x: unitsCol.x + unitsCol.w - w, y, size: 8, font: bold, color: black });
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y -= 12;
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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: black });
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return doc.save(); // returns Promise<Uint8Array>
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}
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return { buildStudyLoadPdf, compactProgram, deriveDateRange, formatSchedule, formatFullName };
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});
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