add route to enable/disable mail

mail is disabled by default

Part of #16

src/routes/settings.js

@@ -19,6 +19,9 @@ exports = module.exports = {
     getTimeZone: getTimeZone,
     setTimeZone: setTimeZone,
 
+    getMailConfig: getMailConfig,
+    setMailConfig: setMailConfig,
+
     getAppstoreConfig: getAppstoreConfig,
     setAppstoreConfig: setAppstoreConfig,
 
@@ -98,6 +101,27 @@ function setTimeZone(req, res, next) {
     });
 }
 
+function getMailConfig(req, res, next) {
+    settings.getMailConfig(function (error, mail) {
+        if (error) return next(new HttpError(500, error));
+
+        next(new HttpSuccess(200, mail));
+    });
+}
+
+function setMailConfig(req, res, next) {
+    assert.strictEqual(typeof req.body, 'object');
+
+    if (typeof req.body.enabled !== 'boolean') return next(new HttpError(400, 'enabled is required'));
+
+    settings.setMailConfig({ enabled: req.body.enabled }, function (error) {
+        if (error && error.reason === SettingsError.BAD_FIELD) return next(new HttpError(400, error.message));
+        if (error) return next(new HttpError(500, error));
+
+        next(new HttpSuccess(200));
+    });
+}
+
 function setCloudronAvatar(req, res, next) {
     assert.strictEqual(typeof req.files, 'object');