66 lines
2.0 KiB
JavaScript
66 lines
2.0 KiB
JavaScript
const UserError = require('vn-loopback/util/user-error');
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module.exports = Self => {
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Self.remoteMethodCtx('print', {
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description: 'Print stickers of all entries',
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accessType: 'READ',
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accepts: [
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{
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arg: 'id',
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type: 'number',
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required: true,
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description: 'The entry id',
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http: {source: 'path'}
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}
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],
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returns: [
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{
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arg: 'body',
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type: 'file',
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root: true
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}, {
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arg: 'Content-Type',
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type: 'String',
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http: {target: 'header'}
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}, {
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arg: 'Content-Disposition',
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type: 'String',
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http: {target: 'header'}
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}
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],
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http: {
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path: '/:id/print',
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verb: 'GET'
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},
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accessScopes: ['DEFAULT', 'read:multimedia']
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});
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Self.print = async function(ctx, id, options) {
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const models = Self.app.models;
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const myOptions = {};
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if (typeof options == 'object')
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Object.assign(myOptions, options);
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// Importación dinámica porque no admite commonjs
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const PDFMerger = ((await import('pdf-merger-js')).default);
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const merger = new PDFMerger();
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const buys = await models.Buy.find({where: {entryFk: id}}, myOptions);
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for (const buy of buys) {
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if (buy.stickers < 1) continue;
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ctx.args.id = buy.id;
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const pdfBuffer = await models.Entry.buyLabel(ctx, myOptions);
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await merger.add(new Uint8Array(pdfBuffer[0]));
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}
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if (!merger._doc) throw new UserError('The entry not have stickers');
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await Self.rawSql(`
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UPDATE buy
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SET printedStickers = stickers
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WHERE entryFk = ?
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`, [id], myOptions);
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return [await merger.saveAsBuffer(), 'application/pdf', `filename="entry-${id}.pdf"`];
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};
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};
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