mailtrain/lib/models/links.js
2016-04-04 15:36:30 +03:00

344 lines
14 KiB
JavaScript

'use strict';
let db = require('../db');
let shortid = require('shortid');
let util = require('util');
let geoip = require('geoip-ultralight');
let campaigns = require('./campaigns');
let subscriptions = require('./subscriptions');
let lists = require('./lists');
let log = require('npmlog');
let urllib = require('url');
module.exports.resolve = (campaignCid, linkCid, callback) => {
campaigns.getByCid(campaignCid, (err, campaign) => {
if (err) {
return callback(err);
}
if (!campaign) {
return callback('Campaign not found');
}
db.getConnection((err, connection) => {
if (err) {
return callback(err);
}
let query = 'SELECT id, url FROM links WHERE `campaign`=? AND `cid`=? LIMIT 1';
connection.query(query, [campaign.id, linkCid], (err, rows) => {
connection.release();
if (err) {
return callback(err);
}
if (rows && rows.length) {
return callback(null, rows[0].id, rows[0].url);
}
return callback(null, false);
});
});
});
};
module.exports.countClick = (remoteIp, campaignCid, listCid, subscriptionCid, linkId, callback) => {
getSubscriptionData(campaignCid, listCid, subscriptionCid, (err, data) => {
if (err) {
return callback(err);
}
db.getConnection((err, connection) => {
if (err) {
return callback(err);
}
connection.beginTransaction(err => {
if (err) {
return callback(err);
}
let country = geoip.lookupCountry(remoteIp) || null;
let query = 'INSERT INTO `campaign_tracker__' + data.campaign.id + '` (`list`, `subscriber`, `link`, `ip`, `country`) VALUES (?,?,?,?,?) ON DUPLICATE KEY UPDATE `count`=`count`+1';
connection.query(query, [data.list.id, data.subscription.id, linkId, remoteIp, country], (err, result) => {
if (err && err.code !== 'ER_DUP_ENTRY') {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
if (err && err.code === 'ER_DUP_ENTRY' || result.affectedRows > 1) {
return connection.commit(err => {
if (err) {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
connection.release();
return callback(null, false);
});
}
let query = 'UPDATE `subscription__' + data.list.id + '` SET `latest_click`=NOW(), `latest_open`=NOW() WHERE id=?';
connection.query(query, [data.subscription.id], err => {
if (err) {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
let query = 'UPDATE links SET clicks = clicks + 1 WHERE id=?';
connection.query(query, [linkId], err => {
if (err) {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
let query = 'INSERT INTO `campaign_tracker__' + data.campaign.id + '` (`list`, `subscriber`, `link`, `ip`, `country`) VALUES (?,?,?,?,?)';
connection.query(query, [data.list.id, data.subscription.id, 0, remoteIp, country], err => {
if (err && err.code !== 'ER_DUP_ENTRY') {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
if (err && err.code === 'ER_DUP_ENTRY') {
return connection.commit(err => {
if (err) {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
connection.release();
return callback(null, false);
});
}
let query = 'UPDATE campaigns SET clicks = clicks + 1 WHERE id=?';
connection.query(query, [data.campaign.id], err => {
if (err) {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
connection.commit(err => {
if (err) {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
connection.release();
return callback(null, false);
});
});
// also count clicks as open events in case beacon image was blocked
module.exports.countOpen(remoteIp, campaignCid, listCid, subscriptionCid, () => false);
});
});
});
});
});
});
});
};
module.exports.countOpen = (remoteIp, campaignCid, listCid, subscriptionCid, callback) => {
getSubscriptionData(campaignCid, listCid, subscriptionCid, (err, data) => {
if (err) {
return callback(err);
}
db.getConnection((err, connection) => {
if (err) {
return callback(err);
}
connection.beginTransaction(err => {
if (err) {
return callback(err);
}
let country = geoip.lookupCountry(remoteIp) || null;
let query = 'INSERT INTO `campaign_tracker__' + data.campaign.id + '` (`list`, `subscriber`, `link`, `ip`, `country`) VALUES (?,?,?,?,?) ON DUPLICATE KEY UPDATE `count`=`count`+1';
connection.query(query, [data.list.id, data.subscription.id, -1, remoteIp, country], (err, result) => {
if (err && err.code !== 'ER_DUP_ENTRY') {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
if (err && err.code === 'ER_DUP_ENTRY' || result.affectedRows > 1) {
return connection.commit(err => {
if (err) {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
connection.release();
return callback(null, false);
});
}
let query = 'UPDATE `subscription__' + data.list.id + '` SET `latest_open`=NOW() WHERE id=?';
connection.query(query, [data.subscription.id], err => {
if (err) {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
let query = 'UPDATE campaigns SET opened = opened + 1 WHERE id=?';
connection.query(query, [data.campaign.id], err => {
if (err) {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
connection.commit(err => {
if (err) {
return connection.rollback(() => {
connection.release();
return callback(err);
});
}
connection.release();
return callback(null, false);
});
});
});
});
});
});
});
};
module.exports.add = (url, campaignId, callback) => {
db.getConnection((err, connection) => {
if (err) {
return callback(err);
}
let cid = shortid.generate();
let query = 'INSERT INTO links (`cid`, `campaign`, `url`) VALUES (?,?,?)';
connection.query(query, [cid, campaignId, url], (err, result) => {
if (err && err.code !== 'ER_DUP_ENTRY') {
connection.release();
return callback(err);
}
if (!err && result && result.insertId) {
connection.release();
return callback(null, result.insertId, cid);
}
let query = 'SELECT id, cid FROM links WHERE `campaign`=? AND `url`=? LIMIT 1';
connection.query(query, [campaignId, url], (err, rows) => {
connection.release();
if (err) {
return callback(err);
}
if (rows && rows.length) {
return callback(null, rows[0].id, rows[0].cid);
}
return callback(null, false);
});
});
});
};
module.exports.updateLinks = (campaign, list, subscription, serviceUrl, message, callback) => {
let re = /(<a[^>]* href\s*=[\s"']*)(http[^"'>\s]+)/gi;
let urls = new Set();
message.replace(re, (match, prefix, url) => {
urls.add(url);
});
let map = new Map();
let vals = urls.values();
// insert tracking image
let inserted = false;
let imgUrl = urllib.resolve(serviceUrl, util.format('/links/%s/%s/%s', campaign.cid, list.cid, encodeURIComponent(subscription.cid)));
let img = '<img src="' + imgUrl + '" width="1" height="1">';
message = message.replace(/<\/body\b/i, match => {
inserted = true;
return img + match;
});
if (!inserted) {
message = message + img;
}
let replaceUrls = () => {
callback(null,
message.replace(re, (match, prefix, url) =>
prefix + (map.has(url) ? urllib.resolve(serviceUrl, util.format('/links/%s/%s/%s/%s', campaign.cid, list.cid, encodeURIComponent(subscription.cid), encodeURIComponent(map.get(url)))) : url)));
};
let storeNext = () => {
let urlItem = vals.next();
if (urlItem.done) {
return replaceUrls();
}
module.exports.add(urlItem.value, campaign.id, (err, linkId, cid) => {
if (err) {
log.error('Link', err.stack);
return storeNext();
}
map.set(urlItem.value, cid);
return storeNext();
});
};
storeNext();
};
function getSubscriptionData(campaignCid, listCid, subscriptionCid, callback) {
campaigns.getByCid(campaignCid, (err, campaign) => {
if (err) {
return callback(err);
}
if (!campaign) {
return callback(new Error('Campaign not found'));
}
lists.getByCid(listCid, (err, list) => {
if (err) {
return callback(err);
}
if (!list) {
return callback(new Error('Campaign not found'));
}
subscriptions.get(list.id, subscriptionCid, (err, subscription) => {
if (err) {
return callback(err);
}
if (!subscription) {
return callback(new Error('Subscription not found'));
}
return callback(null, {
campaign,
list,
subscription
});
});
});
});
}