add route to sync dns records

merge the mail dns route with this one as well

fixes #737

src/domains.js

@@ -29,10 +29,12 @@ module.exports = exports = {
     registerLocations,
     unregisterLocations,
 
-    checkDnsRecords
+    checkDnsRecords,
+    syncDnsRecords
 };
 
-var assert = require('assert'),
+const apps = require('./apps.js'),
+    assert = require('assert'),
     async = require('async'),
     BoxError = require('./boxerror.js'),
     constants = require('./constants.js'),
@@ -550,3 +552,48 @@ function unregisterLocations(locations, progressCallback, callback) {
         }, callback);
     });
 }
+
+function syncDnsRecords(options, progressCallback, callback) {
+    assert.strictEqual(typeof options, 'object');
+    assert.strictEqual(typeof progressCallback, 'function');
+    assert.strictEqual(typeof callback, 'function');
+
+    if (options.domain && options.type === 'mail') return mail.setDnsRecords(options.domain, callback);
+
+    getAll(function (error, domains) {
+        if (error) return callback(error);
+
+        if (options.domain) domains = domains.filter(d => d.domain === options.domain);
+
+        const mailSubdomain = settings.mailFqdn().substr(0, settings.mailFqdn().length - settings.mailDomain().length - 1);
+
+        apps.getAll(function (error, allApps) {
+            if (error) return callback(error);
+
+            let progress = 1, errors = [];
+
+            // we sync by domain only to get some nice progress
+            async.eachSeries(domains, function (domain, iteratorDone) {
+                progressCallback({ percent: progress, message: `Updating DNS of ${domain.domain}`});
+                progress += Math.round(100/domains.length);
+
+                let locations = [];
+                if (domain.domain === settings.adminDomain()) locations.push({ subdomain: constants.ADMIN_LOCATION, domain: settings.adminDomain() });
+                if (domain.domain === settings.mailDomain() && settings.mailFqdn() !== settings.adminFqdn()) locations.push({ subdomain: mailSubdomain, domain: settings.mailDomain() });
+
+                allApps.forEach(function (app) {
+                    locations.concat([{ subdomain: app.location, domain: app.domain }].concat(app.alternateDomains).concat(app.aliasDomains).filter(al => al.domain === domain));
+                });
+
+                async.series([
+                    registerLocations.bind(null, locations, { overwrite: true }, progressCallback),
+                    progressCallback.bind(null, { message: `Updating mail DNS of ${domain.domain}`}),
+                    mail.setDnsRecords.bind(null, domain.domain)
+                ], function (error) {
+                    if (error) errors.push({ domain: domain.domain, message: error.message });
+                    iteratorDone();
+                });
+            }, () => callback(null, { errors }));
+        });
+    });
+}