Vulcan/packages/vulcan-email/lib/server/email.js

139 lines
4.4 KiB
JavaScript

import VulcanEmail from '../namespace.js';
import Juice from 'juice';
import htmlToText from 'html-to-text';
import Handlebars from 'handlebars';
import { Utils, getSetting, registerSetting, runQuery } from 'meteor/vulcan:lib'; // import from vulcan:lib because vulcan:core is not loaded yet
registerSetting('secondaryColor', '#444444');
registerSetting('accentColor', '#DD3416');
registerSetting('title', 'My App');
registerSetting('tagline');
registerSetting('emailFooter');
registerSetting('logoUrl');
registerSetting('logoHeight');
registerSetting('logoWidth');
registerSetting('defaultEmail', 'noreply@example.com');
registerSetting('title', 'Vulcan');
registerSetting('enableDevelopmentEmails', false);
VulcanEmail.templates = {};
VulcanEmail.addTemplates = templates => {
_.extend(VulcanEmail.templates, templates);
};
VulcanEmail.getTemplate = templateName => Handlebars.compile(
VulcanEmail.templates[templateName],
{ noEscape: true, strict: true}
);
VulcanEmail.buildTemplate = (htmlContent, optionalProperties = {}) => {
const emailProperties = {
secondaryColor: getSetting('secondaryColor', '#444444'),
accentColor: getSetting('accentColor', '#DD3416'),
siteName: getSetting('title', 'My App'),
tagline: getSetting('tagline'),
siteUrl: Utils.getSiteUrl(),
body: htmlContent,
unsubscribe: '',
accountLink: Utils.getSiteUrl()+'account',
footer: getSetting('emailFooter'),
logoUrl: getSetting('logoUrl'),
logoHeight: getSetting('logoHeight'),
logoWidth: getSetting('logoWidth'),
...optionalProperties
};
const emailHTML = VulcanEmail.getTemplate("wrapper")(emailProperties);
const inlinedHTML = Juice(emailHTML, {preserveMediaQueries: true});
const doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">'
return doctype+inlinedHTML;
};
VulcanEmail.generateTextVersion = html => {
return htmlToText.fromString(html, {
wordwrap: 130
});
}
VulcanEmail.send = (to, subject, html, text) => {
// TODO: limit who can send emails
// TODO: fix this error: Error: getaddrinfo ENOTFOUND
const from = getSetting('defaultEmail', 'noreply@example.com');
const siteName = getSetting('title', 'Vulcan');
subject = '['+siteName+'] '+subject;
if (typeof text === 'undefined'){
// Auto-generate text version if it doesn't exist. Has bugs, but should be good enough.
text = VulcanEmail.generateTextVersion(html);
}
const email = {
from: from,
to: to,
subject: subject,
text: text,
html: html
};
if (process.env.NODE_ENV === 'production' || getSetting('enableDevelopmentEmails', false)) {
console.log('//////// sending email…'); // eslint-disable-line
console.log('from: '+from); // eslint-disable-line
console.log('to: '+to); // eslint-disable-line
console.log('subject: '+subject); // eslint-disable-line
// console.log('html: '+html);
// console.log('text: '+text);
try {
Email.send(email);
} catch (error) {
console.log("// error while sending email:"); // eslint-disable-line
console.log(error); // eslint-disable-line
}
} else {
console.log('//////// sending email (simulation)…'); // eslint-disable-line
console.log('from: '+from); // eslint-disable-line
console.log('to: '+to); // eslint-disable-line
console.log('subject: '+subject); // eslint-disable-line
console.log('Note: emails turned off in development mode. Set "enableDevelopmentEmails" setting to "true" to enable.');
}
return email;
};
VulcanEmail.build = async ({ emailName, variables }) => {
// execute email's GraphQL query
const email = VulcanEmail.emails[emailName];
const result = email.query ? await runQuery(email.query, variables) : {data: {}};
// if email has a data() function, merge its return value with results from the query
const data = email.data ? {...result.data, ...email.data(variables)} : result.data;
const subject = typeof email.subject === 'function' ? email.subject(data) : email.subject;
const html = VulcanEmail.buildTemplate(VulcanEmail.getTemplate(email.template)(data), data);
return { data, subject, html };
}
VulcanEmail.buildAndSend = async ({ to, emailName, variables }) => {
const email = await VulcanEmail.build({ to, emailName, variables });
return VulcanEmail.send(to, email.subject, email.html);
};
VulcanEmail.buildAndSendHTML = (to, subject, html) => VulcanEmail.send(
to,
subject,
VulcanEmail.buildTemplate(html)
);