Implement user API (create, update, remove, list)

server/models/user.js

@@ -1,28 +1,49 @@
 const mongoose = require('mongoose')
 
+const customUsersValidators = require('../helpers/custom-validators').users
+
 // ---------------------------------------------------------------------------
 
 const UserSchema = mongoose.Schema({
   password: String,
-  username: String
+  username: String,
+  role: String
 })
 
-UserSchema.path('password').required(true)
-UserSchema.path('username').required(true)
+UserSchema.path('password').required(customUsersValidators.isUserPasswordValid)
+UserSchema.path('username').required(customUsersValidators.isUserUsernameValid)
+UserSchema.path('role').validate(customUsersValidators.isUserRoleValid)
+
+UserSchema.methods = {
+  toFormatedJSON: toFormatedJSON
+}
 
 UserSchema.statics = {
   getByUsernameAndPassword: getByUsernameAndPassword,
-  list: list
+  list: list,
+  loadByUsername: loadByUsername
 }
 
 mongoose.model('User', UserSchema)
 
 // ---------------------------------------------------------------------------
 
+function getByUsernameAndPassword (username, password) {
+  return this.findOne({ username: username, password: password })
+}
+
 function list (callback) {
   return this.find(callback)
 }
 
-function getByUsernameAndPassword (username, password) {
-  return this.findOne({ username: username, password: password })
+function loadByUsername (username, callback) {
+  return this.findOne({ username: username }, callback)
+}
+
+function toFormatedJSON () {
+  return {
+    id: this._id,
+    username: this.username,
+    role: this.role
+  }
 }