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const puppeteer = require('puppeteer');
const logger = require('../../services/logger');
const config = require('../../server/config.json');
module.exports = function(PDF) {
PDF.createPdf = async (id, lang, accessToken, cb) => {
const base = `${config.protocol}://${
config.serviceDomain ? config.serviceDomain : config.host
}${config.serviceDomain ? '' : `:${config.uiPort}`}`;
if (!id) throw new Error('Resource ID is required!');
if (!lang) throw new Error('Language is required!');
try {
const browser = await puppeteer.launch({headless: true, args: ['--no-sandbox']});
const layoutResult = await PDF.findOne({where: {UserId: accessToken.userId}});
let layout;
if (layoutResult) {
layout = layoutResult.Layout;
} else {
layout = 'summary';
}
const site = `${base}/resources/${id}/print?token=${
accessToken.id
}&layout=${layout}&generation=true&lang=${lang}`;
// console.log(site)
const page = await browser.newPage();
/* page.on('console', msg => console.log('PAGE LOG:', msg.text()));
await page.evaluate(() => console.log(`url is ${location.href}`)); */
await page.goto(site, {waitUntil: 'networkidle0'});
await page.emulateMedia('print');
const pdf = await page.pdf({
preferCSSPageSize: true,
displayHeaderFooter: true,
headerTemplate: '<p style="margin-top: -20mm !important"></p>',
footerTemplate: '<p style="font-size:10px; margin-left:550px;" class="pageNumber"></p>',
width: '210mm',
height: '297mm',
margin: {
top: '20mm',
left: '2mm',
bottom: '40mm',
right: '2mm'
}
});
await browser.close();
await cb(null, pdf, 'application/pdf');
} catch (e) {
console.log(e);
logger.error(`Error creating PDF, ${e}`);
throw e;
}
};
PDF.remoteMethod('createPdf', {
http: {
verb: 'get'
},
accepts: [
{
arg: 'id',
type: 'number'
},
{
arg: 'lang',
type: 'string'
},
{
arg: 'accessToken',
type: 'object',
http: ctx => ctx.req.accessToken
}
],
returns: [
{
arg: 'pdf',
type: 'file',
root: true
},
{
arg: 'Content-Type',
type: 'string',
http: {target: 'header'}
}
]
});
PDF.selectedLayout = async (layout, accessToken) => {
if (!layout) throw new Error('Layout is required!');
try {
const oldLayout = await PDF.findOne({where: {UserId: accessToken.userId}});
if (oldLayout) {
oldLayout.updateAttributes({
Layout: layout
});
} else {
PDF.create({
UserId: accessToken.userId,
Layout: layout
});
}
return 'success';
} catch (e) {
console.log(e);
logger.error(`Error creating PDF, ${e}`);
throw e;
}
};
PDF.remoteMethod('selectedLayout', {
http: {
verb: 'post'
},
accepts: [
{
arg: 'layout',
type: 'string'
},
{
arg: 'accessToken',
type: 'object',
http: ctx => ctx.req.accessToken
}
],
returns: {
arg: 'result',
type: 'string'
}
});
};
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