Stan
101 lines
2.9 KiB
JavaScript
101 lines
2.9 KiB
JavaScript
/*
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* CSV and attachment export module (F2). Generates a CSV file from the current
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* report's answers and allows downloading individual attachments. XLSX and ZIP
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* export can be added by integrating SheetJS and JSZip libraries.
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*/
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import { state, getCurrentReport, getTemplateRecord } from './state.js';
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import { dbGetAllByIndex } from './db.js';
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import { STORE_ATTACHMENTS } from './constants.js';
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/*
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* Exports the active report as a CSV file. Columns are derived from the template
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* definition so field labels appear as headers and field values as the row.
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*/
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export async function exportReportCSV() {
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const report = getCurrentReport();
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if (!report) {
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throw new Error('No report to export');
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}
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const template = getTemplateRecord(report.templateCode, report.templateVersion);
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if (!template) {
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throw new Error('Template definition needed for export');
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}
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const headers = [];
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const values = [];
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/* Meta columns. */
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headers.push('Report Number', 'Template', 'Version', 'Status', 'Created', 'Updated');
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values.push(
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report.reportNumber,
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report.templateCode,
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String(report.templateVersion),
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report.status,
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report.createdAt,
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report.updatedAt
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);
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/* Dynamic field columns derived from the template definition. */
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for (const section of template.definition.sections || []) {
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for (const field of section.fields || []) {
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if (field.type === 'attachment') {
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continue;
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}
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headers.push(field.label);
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const raw = report.answers[field.id];
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values.push(raw === undefined || raw === null ? '' : String(raw));
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}
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}
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const csvContent = [
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headers.map(csvEscape).join(','),
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values.map(csvEscape).join(',')
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].join('\r\n');
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downloadBlob(
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new Blob([csvContent], { type: 'text/csv;charset=utf-8' }),
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`${report.reportNumber || 'report'}.csv`
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);
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}
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/*
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* Exports all attachments for the active report as individual file downloads.
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* A future iteration could bundle these into a ZIP archive using JSZip.
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*/
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export async function exportReportAttachments() {
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const report = getCurrentReport();
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if (!report) {
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throw new Error('No report to export');
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}
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const attachments = await dbGetAllByIndex(STORE_ATTACHMENTS, 'byReportId', report.id);
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for (const attachment of attachments) {
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downloadBlob(attachment.blob, attachment.generatedFilename);
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}
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}
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/* ── Helpers ────────────────────────────────────────────────────────────── */
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function csvEscape(value) {
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const str = String(value).replace(/"/g, '""');
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return /[",\r\n]/.test(str) ? `"${str}"` : str;
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}
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function downloadBlob(blob, filename) {
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const url = URL.createObjectURL(blob);
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const anchor = document.createElement('a');
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anchor.href = url;
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anchor.download = filename;
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document.body.appendChild(anchor);
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anchor.click();
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anchor.remove();
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URL.revokeObjectURL(url);
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}
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