CSOL-site/mandrill.js

117 строки
3.2 KiB
JavaScript

const url = require('url');
const _ = require('underscore');
const logger = require('./logger');
const FAKE_EMAIL = ('DEBUG' in process.env)
&& ('CSOL_DISABLE_EMAIL' in process.env);
var request = require('request');
if (FAKE_EMAIL) {
request.post = function(opts, cb) {
logger.log('debug', 'FAKE EMAIL: request.post with opts', opts);
cb('EMAIL DISABLED');
};
}
const ENDPOINT = process.env['CSOL_MANDRILL_URL'] ||
"https://mandrillapp.com/api/1.0/";
const KEY = process.env['CSOL_MANDRILL_KEY'];
const TEMPLATES = {
'<13 learner signup': 'csol-13-signup',
'learner signup': 'csol-signup',
'10 day guardian reminder': 'csol-guardian-remind-10-day',
'7 day guardian reminder': 'csol-guardian-remind-7-day',
'3 day guardian reminder': 'csol-guardian-remind-3-day',
'1 day guardian reminder': 'csol-guardian-remind-1-day'
}
module.exports = {
/*
send(template, context, recipient, callback)
template - internal template name, mapped to mandrill names above, or
mandrill template name
context - merge variables (optional)
{ foo: 'hi' } replaces *|foo|* or *|FOO|*
in the template with "hi"
recipients - a list of email addresses or recipient objects
to email, where a recipient object has
an email and a name
callback - callback function(err, result)
TODO: test the above
*/
send: function send(template, context, recipients, callback){
if (!recipients || _.isFunction(recipients)) {
callback = recipients;
recipients = context;
context = {};
}
callback = callback || function(){};
if (!_.isArray(recipients))
recipients = [recipients];
recipients = _.map(recipients, function(recipient){
if (_.isString(recipient)){
return {
email: recipient
}
return recipient;
}
});
var merge_vars = _.map(context, function(value, key){
return {
name: key,
content: value
}
});
var payload = {
key: KEY,
template_name: TEMPLATES[template] || template,
template_content: [],
message: {
to: recipients,
global_merge_vars: merge_vars
}
};
var opts = {
url: url.resolve(ENDPOINT, 'messages/send-template.json'),
json: payload
};
request.post(opts, function(err, response, body) {
logger.log('info', 'MANDRILL request: "POST %s" %s',
opts.url, response ? response.statusCode : "Error", err);
if (err)
return callback(err);
if (response.statusCode !== 200)
return callback(body);
var unsent = [];
_.map(body, function(result) {
var level = 'info';
if (['sent', 'queued'].indexOf(result.status) === -1) {
level = 'error';
unsent.push(result);
}
logger.log(level, 'Learner signup email %s for %s', result.status, result.email);
});
if (unsent.length)
return callback({
message: 'Some addresses not sent or queued',
results: unsent
});
return callback(null, body);
});
}
};