Generate adoption reports as PDFs
This commit is contained in:
Corey Blais
@@ -0,0 +1,329 @@
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import fs from 'fs';
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import PDFDocument from 'pdfkit';
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import QRCode from 'qrcode';
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import type { BirdRow, FlockNoteRow, VetVisitRow, WeightRow, WorkspaceRow } from '../types.js';
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type AdoptionReportInput = {
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bird: BirdRow;
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weights: WeightRow[];
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vetVisits: VetVisitRow[];
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notes: FlockNoteRow[];
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workspace: WorkspaceRow;
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transferCode: string;
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assets: {
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logoPath: string;
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wordmarkPath: string;
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defaultBirdPhotoPath: string;
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};
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printFriendly?: boolean;
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};
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const page = { width: 612, height: 792, margin: 42 };
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const colors = {
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ink: '#1f2a2a',
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muted: '#5d5f59',
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red: '#cb3a35',
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green: '#238a5a',
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blue: '#2769b3',
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border: '#cfe0d5',
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panel: '#fbf7ee',
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paper: '#fffdf9',
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};
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const formatDate = (value: string | null) => {
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if (!value) {
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return 'Not recorded';
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}
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return new Intl.DateTimeFormat('en-US', { month: 'short', day: 'numeric', year: 'numeric', timeZone: 'UTC' }).format(
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new Date(`${value.slice(0, 10)}T00:00:00Z`),
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);
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};
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const formatDateTime = (value: string | null) => {
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if (!value) {
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return 'Not recorded';
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}
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return new Intl.DateTimeFormat('en-US', { month: 'short', day: 'numeric', year: 'numeric' }).format(new Date(value));
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};
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const formatWeight = (value: string | number | null) => {
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const numericValue = value === null ? null : Number(value);
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return numericValue && Number.isFinite(numericValue) ? `${numericValue.toFixed(1)} g` : 'Pending';
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};
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const genderLabel = (value: string) => {
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if (value === 'female') {
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return 'Female';
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}
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if (value === 'male') {
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return 'Male';
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}
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return 'Unknown';
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};
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const parseList = (value: string | null) =>
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(value ?? '')
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.split(/\r?\n|,/)
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.map((entry) => entry.trim())
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.filter(Boolean);
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const dataUrlToBuffer = (value: string | null) => {
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if (!value) {
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return null;
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}
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const match = value.match(/^data:image\/(?:png|jpeg|jpg);base64,(.+)$/);
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return match ? Buffer.from(match[1], 'base64') : null;
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};
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const collectPdf = (doc: PDFKit.PDFDocument) =>
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new Promise<Buffer>((resolve, reject) => {
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const chunks: Buffer[] = [];
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doc.on('data', (chunk: Buffer) => chunks.push(chunk));
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doc.on('end', () => resolve(Buffer.concat(chunks)));
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doc.on('error', reject);
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});
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const fitText = (doc: PDFKit.PDFDocument, text: string, x: number, y: number, width: number, options: PDFKit.Mixins.TextOptions = {}) => {
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doc.text(text, x, y, { width, lineGap: 1.5, ...options });
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return doc.y;
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};
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const drawFact = (doc: PDFKit.PDFDocument, label: string, value: string, x: number, y: number, width: number) => {
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doc.roundedRect(x, y, width, 43, 6).fillAndStroke(colors.panel, colors.border);
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doc.fillColor(colors.muted).fontSize(7).font('Helvetica-Bold').text(label.toUpperCase(), x + 8, y + 8, { width: width - 16 });
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doc.fillColor(colors.ink).fontSize(10).font('Helvetica-Bold').text(value, x + 8, y + 21, { width: width - 16, ellipsis: true });
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};
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const drawSectionTitle = (doc: PDFKit.PDFDocument, title: string, y: number) => {
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doc.fillColor(colors.green).font('Helvetica-Bold').fontSize(14).text(title, page.margin, y);
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doc.moveTo(page.margin, y + 19).lineTo(page.width - page.margin, y + 19).strokeColor(colors.border).lineWidth(1).stroke();
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return y + 27;
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};
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const drawSimpleWeightChart = (doc: PDFKit.PDFDocument, weights: WeightRow[], birdColor: string, x: number, y: number, width: number, height: number) => {
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const plottedWeights = weights
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.slice()
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.sort((left, right) => left.recorded_on.localeCompare(right.recorded_on))
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.map((entry) => ({ ...entry, numericWeight: Number(entry.weight_grams) }))
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.filter((entry) => Number.isFinite(entry.numericWeight));
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doc.roundedRect(x, y, width, height, 8).fillAndStroke('#ffffff', colors.border);
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if (plottedWeights.length < 2) {
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doc.fillColor(colors.muted).fontSize(10).text('Add more weight records to show a trend graph.', x + 14, y + height / 2 - 6, {
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width: width - 28,
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align: 'center',
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});
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return;
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}
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const minWeight = Math.min(...plottedWeights.map((entry) => entry.numericWeight));
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const maxWeight = Math.max(...plottedWeights.map((entry) => entry.numericWeight));
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const weightRange = Math.max(1, maxWeight - minWeight);
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const padding = 24;
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const plotWidth = width - padding * 2;
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const plotHeight = height - padding * 2;
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const chartColor = /^#[0-9a-fA-F]{6}$/.test(birdColor) ? birdColor : colors.green;
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doc.strokeColor('#d9e6dc').lineWidth(0.8);
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for (let index = 0; index < 4; index += 1) {
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const gridY = y + padding + (plotHeight / 3) * index;
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doc.moveTo(x + padding, gridY).lineTo(x + width - padding, gridY).stroke();
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}
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plottedWeights.forEach((entry, index) => {
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const pointX = x + padding + (plotWidth / Math.max(1, plottedWeights.length - 1)) * index;
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const pointY = y + padding + plotHeight - ((entry.numericWeight - minWeight) / weightRange) * plotHeight;
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if (index === 0) {
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doc.moveTo(pointX, pointY);
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} else {
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doc.lineTo(pointX, pointY);
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}
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});
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doc.strokeColor(chartColor).lineWidth(2).stroke();
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plottedWeights.forEach((entry, index) => {
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const pointX = x + padding + (plotWidth / Math.max(1, plottedWeights.length - 1)) * index;
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const pointY = y + padding + plotHeight - ((entry.numericWeight - minWeight) / weightRange) * plotHeight;
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doc.circle(pointX, pointY, 2.6).fillAndStroke(chartColor, '#ffffff');
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});
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};
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const drawTable = (doc: PDFKit.PDFDocument, headers: string[], rows: string[][], x: number, y: number, widths: number[], rowHeight = 28) => {
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doc.font('Helvetica-Bold').fontSize(8).fillColor(colors.muted);
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headers.forEach((header, index) => {
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doc.text(header.toUpperCase(), x + widths.slice(0, index).reduce((sum, value) => sum + value, 0), y, { width: widths[index] - 8 });
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});
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y += 15;
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doc.moveTo(x, y - 4).lineTo(x + widths.reduce((sum, value) => sum + value, 0), y - 4).strokeColor(colors.border).stroke();
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doc.font('Helvetica').fontSize(8.5).fillColor(colors.ink);
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rows.forEach((row) => {
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if (y + rowHeight > page.height - page.margin) {
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doc.addPage();
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y = page.margin;
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}
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row.forEach((value, index) => {
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doc.text(value, x + widths.slice(0, index).reduce((sum, columnWidth) => sum + columnWidth, 0), y, {
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width: widths[index] - 8,
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height: rowHeight - 6,
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ellipsis: true,
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});
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});
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y += rowHeight;
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doc.moveTo(x, y - 4).lineTo(x + widths.reduce((sum, value) => sum + value, 0), y - 4).strokeColor(colors.border).stroke();
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});
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return y + 6;
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};
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export const renderAdoptionReportPdf = async ({
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bird,
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weights,
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vetVisits,
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notes,
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workspace,
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transferCode,
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assets,
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printFriendly = false,
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}: AdoptionReportInput) => {
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const doc = new PDFDocument({
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size: 'LETTER',
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margin: page.margin,
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info: { Title: `FlockPal Adoption Report - ${bird.name}`, Author: 'FlockPal', Subject: `Adoption report for ${bird.name}` },
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});
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const output = collectPdf(doc);
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if (!printFriendly) {
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doc.rect(0, 0, page.width, page.height).fill(colors.paper);
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}
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const logoPath = fs.existsSync(assets.logoPath) ? assets.logoPath : null;
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const wordmarkPath = fs.existsSync(assets.wordmarkPath) ? assets.wordmarkPath : logoPath;
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const defaultPhotoPath = fs.existsSync(assets.defaultBirdPhotoPath) ? assets.defaultBirdPhotoPath : null;
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const photoBuffer = dataUrlToBuffer(bird.photo_data_url);
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const contentWidth = page.width - page.margin * 2;
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const headerY = page.margin;
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const headerHeight = 120;
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doc.roundedRect(page.margin, headerY, contentWidth, headerHeight, 12).fillAndStroke(printFriendly ? '#ffffff' : '#f8f4e8', colors.border);
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if (logoPath) {
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doc.image(logoPath, page.margin + 10, headerY + 18, { fit: [92, 84], align: 'center', valign: 'center' });
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}
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const photoX = page.margin + 235;
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const photoY = headerY + 13;
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if (photoBuffer) {
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doc.image(photoBuffer, photoX, photoY, { fit: [58, 58], align: 'center', valign: 'center' });
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} else if (defaultPhotoPath) {
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doc.image(defaultPhotoPath, photoX, photoY, { fit: [58, 58], align: 'center', valign: 'center' });
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}
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doc.roundedRect(photoX, photoY, 58, 58, 10).strokeColor('#ffffff').lineWidth(2).stroke();
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doc.fillColor(colors.red).font('Helvetica-Bold').fontSize(22).text(bird.name, page.margin + 140, headerY + 75, { width: 250, align: 'center' });
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doc.fillColor(colors.muted).font('Helvetica').fontSize(9).text('Adoption Report', page.margin + 140, headerY + 98, { width: 250, align: 'center' });
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const qrDataUrl = await QRCode.toDataURL(transferCode, { margin: 1, width: 96, errorCorrectionLevel: 'H' });
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const qrBuffer = dataUrlToBuffer(qrDataUrl);
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const qrX = page.width - page.margin - 110;
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doc.fillColor(colors.green).font('Helvetica-Bold').fontSize(8).text('JOIN', qrX, headerY + 6, { width: 96, align: 'center' });
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if (wordmarkPath) {
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doc.image(wordmarkPath, qrX - 7, headerY + 12, { fit: [110, 42], align: 'center', valign: 'center' });
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}
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if (qrBuffer) {
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doc.image(qrBuffer, qrX + 18, headerY + 50, { width: 60 });
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}
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doc.fillColor(colors.ink).font('Helvetica').fontSize(7).text(transferCode, qrX - 8, headerY + 111, { width: 112, align: 'center' });
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let y = headerY + headerHeight + 24;
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y = drawSectionTitle(doc, 'Flock Member Info', y);
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const factGap = 8;
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const factWidth = (contentWidth - factGap) / 2;
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const facts = [
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['Name', bird.name],
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['Species', bird.species],
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['Band/tag ID', bird.tag_id || 'Not recorded'],
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['Sex', genderLabel(bird.gender)],
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['Hatch day', formatDate(bird.date_of_birth)],
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['Favorite snack', bird.favorite_snack || 'Not recorded'],
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['Latest weight', bird.latest_weight_grams ? `${formatWeight(bird.latest_weight_grams)}${bird.latest_recorded_on ? ` on ${formatDate(bird.latest_recorded_on)}` : ''}` : 'Pending'],
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['Source flock', workspace.name],
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];
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facts.forEach(([label, value], index) => {
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drawFact(doc, label, value, page.margin + (index % 2) * (factWidth + factGap), y + Math.floor(index / 2) * 50, factWidth);
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});
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y += Math.ceil(facts.length / 2) * 50 + 8;
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const motivators = parseList(bird.motivators);
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const demotivators = parseList(bird.demotivators);
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doc.fillColor(colors.blue).font('Helvetica-Bold').fontSize(10).text('Motivators', page.margin, y);
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fitText(doc, motivators.length ? motivators.join(', ') : 'Not recorded', page.margin, y + 14, factWidth);
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doc.fillColor(colors.blue).font('Helvetica-Bold').fontSize(10).text('Demotivators', page.margin + factWidth + factGap, y);
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fitText(doc, demotivators.length ? demotivators.join(', ') : 'Not recorded', page.margin + factWidth + factGap, y + 14, factWidth);
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y += 52;
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y = drawSectionTitle(doc, 'Weight Graph', y);
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drawSimpleWeightChart(doc, weights, bird.chart_color, page.margin, y, contentWidth, 120);
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y += 140;
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y = drawSectionTitle(doc, 'Weight History', y);
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y = drawTable(
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doc,
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['Date', 'Weight', 'Notes'],
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weights.length ? weights.map((entry) => [formatDate(entry.recorded_on), formatWeight(entry.weight_grams), entry.notes || '']) : [['No weights recorded.', '', '']],
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page.margin,
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y,
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[95, 70, contentWidth - 165],
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24,
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);
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if (y > 610) {
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doc.addPage();
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y = page.margin;
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}
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y = drawSectionTitle(doc, 'Veterinary Clinic Info', y);
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const vetFacts = [
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['Clinic name', bird.vet_clinic_name || 'Not recorded'],
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['Clinic address', bird.vet_clinic_address || 'Not recorded'],
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['Account #', bird.vet_account_number || 'Not recorded'],
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['Dr. name', bird.vet_doctor_name || 'Not recorded'],
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];
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vetFacts.forEach(([label, value], index) => {
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drawFact(doc, label, value, page.margin + (index % 2) * (factWidth + factGap), y + Math.floor(index / 2) * 50, factWidth);
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});
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y += Math.ceil(vetFacts.length / 2) * 50 + 8;
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y = drawSectionTitle(doc, 'Vet Visit History', y);
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y = drawTable(
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doc,
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['Date', 'Clinic', 'Reason', 'Notes'],
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vetVisits.length ? vetVisits.map((visit) => [formatDate(visit.visited_on), visit.clinic_name, visit.reason, visit.notes || '']) : [['No vet visits recorded.', '', '', '']],
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page.margin,
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y,
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[70, 115, 120, contentWidth - 305],
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28,
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);
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if (notes.length) {
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if (y > 635) {
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doc.addPage();
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y = page.margin;
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}
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y = drawSectionTitle(doc, 'Notes', y);
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notes.slice(0, 8).forEach((note) => {
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if (y > page.height - page.margin - 48) {
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doc.addPage();
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y = page.margin;
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}
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doc.fillColor(colors.muted).font('Helvetica-Bold').fontSize(8).text(formatDateTime(note.updated_at), page.margin, y);
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y = fitText(doc, note.body, page.margin, y + 12, contentWidth, { height: 44, ellipsis: true });
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y += 8;
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doc.moveTo(page.margin, y).lineTo(page.width - page.margin, y).strokeColor(colors.border).stroke();
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y += 8;
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});
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}
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doc.end();
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return output;
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};
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Block a user