+// ------------------------------ STATICS ------------------------------
+
+function countTotal (callback) {
+ return this.count(callback)
+}
+
+function getByUsername (username) {
+ return this.findOne({ username: username })
+}
+
+function list (callback) {
+ return this.find(callback)
+}
+
+function listForApi (start, count, sort, callback) {
+ const query = {}
+ return modelUtils.listForApiWithCount.call(this, query, start, count, sort, callback)
+}
+
+function loadById (id, callback) {
+ return this.findById(id, callback)
+}
+
+function loadByUsername (username, callback) {
+ return this.findOne({ username: username }, callback)
+}