Update UsersController

Adds registration, check_email, and check_username methods

app/controllers/api/v1/users_controller.rb

@@ -1,12 +1,45 @@
 class Api::V1::UsersController < Api::V1::ApiController
+    class ForbiddenError < StandardError; end
+
     def create
         @user = User.new(user_params)
-        render :create, status: :created if @user.save!
+
+        token = Doorkeeper::AccessToken.create!(
+            application_id: nil,
+            resource_owner_id: @user.id,
+            expires_in: 30.days,
+            scopes: 'public'
+        ).token
+
+        if @user.save!
+            @presenter = {
+                user_id: @user.id,
+                username: @user.username,
+                token: token
+            }
+
+            render :create, status: :created
+        end
     end
 
-    def email_available
-        @available = User.where("email = ?", params[:email]).count == 0
-        render :email_available
+    def check_email
+        if params[:email].present?
+            @available = User.where("email = ?", params[:email]).count == 0
+        else
+            @available = false
+        end
+
+        render :available
+    end
+
+    def check_username
+        if params[:username].present?
+            @available = User.where("username = ?", params[:username]).count == 0
+        else
+            @available = false
+        end
+
+        render :available
     end
 
     def show

config/routes.rb

@@ -3,12 +3,15 @@ Rails.application.routes.draw do
         controllers :tokens => 'tokens'
         skip_controllers :applications, :authorized_applications
     end
-    
+
     namespace :api, defaults: { format: :json } do
         namespace :v1 do
             resources :parties, only: [:index, :create, :show, :destroy]
-            resources :users, only: [:create, :show]
             resources :search, only: [:index]
+            resources :users, only: [:create, :show]
+
+            post 'check/email', to: 'users#check_email'
+            post 'check/username', to: 'users#check_username'
 
             post 'weapons', to: 'grid_weapons#create'
             delete 'weapons', to: 'grid_weapons#destroy'