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

161 lines
5.5 KiB
JavaScript

/* eslint-disable no-console */
import VulcanEmail from '../namespace.js';
import Juice from 'juice';
import htmlToText from 'html-to-text';
import Handlebars from 'handlebars';
import { Utils, getSetting, registerSetting, runQuery, Strings, getString } from 'meteor/vulcan:lib'; // import from vulcan:lib because vulcan:core is not loaded yet
/*
Get intl string. Usage: {{__ "posts.create"}}
*/
Handlebars.registerHelper('__', function(id, context) {
const s = getString({ id, locale: context.data.root.locale });
return new Handlebars.SafeString(s);
});
/*
Get intl string, accepts a second variables argument. Usage: {{__ "posts.create" postVariables}}
*/
Handlebars.registerHelper('___', function(id, variables, context) {
const s = getString({ id, variables, locale: context.data.root.locale });
return new Handlebars.SafeString(s);
});
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 => {
if (!VulcanEmail.templates[templateName]) {
throw new Error(`Couldn't find email template named “${templateName}`);
}
return Handlebars.compile(VulcanEmail.templates[templateName], { noEscape: true, strict: true });
}
VulcanEmail.buildTemplate = (htmlContent, data = {}, locale) => {
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'),
...data,
__: Strings[locale],
};
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, throwErrors, cc, bcc, replyTo, headers) => {
// TODO: limit who can send emails
// TODO: fix this error: Error: getaddrinfo ENOTFOUND
if (typeof to === 'object') {
// eslint-disable-next-line no-redeclare
var { to, cc, bcc, replyTo, subject, html, text, throwErrors, headers } = to;
}
const from = getSetting('defaultEmail', 'noreply@example.com');
const siteName = getSetting('title', 'Vulcan');
subject = subject || '[' + siteName + ']';
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,
cc: cc,
bcc: bcc,
replyTo: replyTo,
subject: subject,
headers: headers,
text: text,
html: html,
};
const shouldSendEmail = process.env.NODE_ENV === 'production' || getSetting('enableDevelopmentEmails', false)
console.log(`//////// sending email${shouldSendEmail ? '' : ' (simulation)'}`); // eslint-disable-line
console.log('from: ' + from); // eslint-disable-line
console.log('to: ' + to); // eslint-disable-line
console.log('cc: ' + cc); // eslint-disable-line
console.log('bcc: ' + bcc); // eslint-disable-line
console.log('replyTo: ' + replyTo); // eslint-disable-line
console.log('headers: ' + JSON.stringify(headers)); // eslint-disable-line
if (shouldSendEmail) {
try {
Email.send(email);
} catch (error) {
console.log('// error while sending email:'); // eslint-disable-line
console.log(error); // eslint-disable-line
if (throwErrors) throw error;
}
}
return email;
};
VulcanEmail.build = async ({ emailName, variables, locale }) => {
// execute email's GraphQL query
const email = VulcanEmail.emails[emailName];
const result = email.query ? await runQuery(email.query, variables, { locale }) : { data: {} };
// if email has a data() function, merge its return value with results from the query
const data = email.data ? { ...result.data, ...email.data({ data: result.data, variables, locale }) } : result.data;
const subject = typeof email.subject === 'function' ? email.subject({ data, variables, locale }) : email.subject;
data.__ = Strings[locale];
data.locale = locale;
const html = VulcanEmail.buildTemplate(VulcanEmail.getTemplate(email.template)(data), data, locale);
return { data, subject, html };
};
VulcanEmail.buildAndSend = async ({ to, cc, bcc, replyTo, emailName, variables, locale = getSetting('locale'), headers }) => {
const email = await VulcanEmail.build({ to, emailName, variables, locale });
return VulcanEmail.send({ to, cc, bcc, replyTo, subject: email.subject, html: email.html, headers });
};
VulcanEmail.buildAndSendHTML = (to, subject, html) => VulcanEmail.send(to, subject, VulcanEmail.buildTemplate(html));