salix/print/lib/emailEngine.js

153 lines
4.5 KiB
JavaScript

const Vue = require('vue');
const VueI18n = require('vue-i18n');
const renderer = require('vue-server-renderer').createRenderer();
const fs = require('fs-extra');
const juice = require('juice');
const smtp = require('./smtp');
const fallbackLocale = 'es';
if (!process.env.OPENSSL_CONF)
process.env.OPENSSL_CONF = '/etc/ssl/';
Vue.use(VueI18n);
module.exports = {
path: `${appPath}/report`,
/**
* Renders a report component
*
* @param {String} name - Report name
* @param {Object} ctx - Request context
*/
async render(name, ctx) {
const component = require(`${this.path}/${name}`);
const result = await this.preFetch(component, ctx);
const i18n = new VueI18n({
locale: 'es',
fallbackLocale
});
const app = new Vue({i18n,
render: h => h(result.component)});
return renderer.renderToString(app).then(renderedHtml => {
return {
html: renderedHtml,
data: result.mergedData,
};
});
},
/**
* Prefetch all component data from asyncData method
*
* @param {Object} orgComponent - Component object
* @param {Object} ctx - Request context
*/
async preFetch(orgComponent, ctx) {
let component = Object.create(orgComponent);
let mergedData = {attachments: []};
let asyncData = {};
let data = {};
let params = {};
if (Object.keys(ctx.body).length > 0)
params = ctx.body;
if (Object.keys(ctx.query).length > 0)
params = ctx.query;
await this.attachAssets(component);
if (orgComponent.hasOwnProperty('data'))
data = orgComponent.data();
if (orgComponent.hasOwnProperty('asyncData')) {
asyncData = await orgComponent.asyncData(ctx, params);
if (asyncData.locale) {
let locale = component.i18n.messages[asyncData.locale];
if (!locale)
locale = component.i18n.messages[fallbackLocale];
mergedData.subject = locale.subject;
}
}
mergedData = Object.assign(mergedData, data, asyncData);
component.data = function data() {
return mergedData;
};
if (data.hasOwnProperty('files')) {
const files = data.files;
files.forEach(file => {
const componentPath = `${this.path}/${orgComponent.name}`;
let fileSrc = componentPath + file;
if (file.slice(0, 4) === 'http' || file.slice(0, 4) === 'https')
fileSrc = file;
const fileName = file.split('/').pop();
mergedData.attachments.push({
filename: fileName,
path: fileSrc,
cid: file,
});
});
}
const components = orgComponent.components;
if (components) {
const promises = [];
const childNames = [];
component.components = {};
Object.keys(components).forEach(childName => {
childNames.push(childName);
promises.push(this.preFetch(components[childName], ctx));
});
await Promise.all(promises).then(results => {
results.forEach((result, i) => {
result.mergedData.attachments.forEach(atth => {
mergedData.attachments.push(atth);
});
component.components[childNames[i]] = result.component;
});
});
}
return {component, mergedData};
},
async attachAssets(component) {
const localePath = `${this.path}/${component.name}/locale.js`;
const templatePath = `${this.path}/${component.name}/index.html`;
const stylePath = `${this.path}/${component.name}/assets/css/index.js`;
const template = await fs.readFile(templatePath, 'utf8');
const css = require(stylePath);
component.i18n = require(localePath);
component.template = juice.inlineContent(template, css);
},
async toEmail(name, ctx) {
const rendered = await this.render(name, ctx);
const data = rendered.data;
const options = {
to: data.recipient,
subject: data.subject,
html: rendered.html,
attachments: data.attachments,
};
return smtp.send(options);
},
};