salix/print/core/report.js

99 lines
2.6 KiB
JavaScript

const fs = require('fs');
const path = require('path');
const config = require('./config');
const Component = require('./component');
const Cluster = require('./cluster');
if (!process.env.OPENSSL_CONF)
process.env.OPENSSL_CONF = '/etc/ssl/';
class Report extends Component {
constructor(name, args) {
super(name);
this.args = args;
}
get path() {
return `../templates/reports/${this.name}`;
}
async getName() {
return (await this.getUserLocale())['reportName'];
}
async toPdfStream() {
const template = await this.render();
const defaultOptions = Object.assign({}, config.pdf);
const optionsPath = `${this.path}/options.json`;
const fullPath = path.resolve(__dirname, optionsPath);
let options = defaultOptions;
if (fs.existsSync(fullPath))
options = require(optionsPath);
return new Promise((resolve, reject) => {
Cluster.pool.queue({}, async({page}) => {
try {
await page.emulateMediaType('screen');
await page.setContent(template);
const element = await page.$('#pageFooter');
let footer = '\n';
if (element) {
footer = await page.evaluate(el => {
const html = el.innerHTML;
el.remove();
return html;
}, element);
}
options.headerTemplate = '\n';
options.footerTemplate = footer;
const buffer = await page.content();
resolve(buffer);
} catch (err) {
reject(err);
}
});
});
}
/**
* Returns all the params that ends with id
*
* @return {array} List of identifiers
*/
getIdentifiers() {
const identifiers = [];
const args = this.args;
const keys = Object.keys(args);
for (let arg of keys) {
if (arg.endsWith('Id'))
identifiers.push(arg);
}
return identifiers;
}
async getFileName() {
const args = this.args;
const identifiers = this.getIdentifiers(args);
const name = await this.getName();
const params = [];
params.push(name);
for (let id of identifiers)
params.push(args[id]);
const fileName = params.join('_');
return `${fileName}.pdf`;
}
}
module.exports = Report;