User management

app/controllers/concerns/authentication.rb

@@ -51,6 +51,7 @@ module Authentication
     end
 
     def current_user
+      return unless Current.session
       return unless Current.session[:user_id]
       User.find(Current.session[:user_id])
     end

app/controllers/users_controller.rb

@@ -3,6 +3,7 @@ class UsersController < ApplicationController
 
   def index
     @title = "All users"
+    @users = User.all
   end
 
   def edit
@@ -11,7 +12,7 @@ class UsersController < ApplicationController
 
   def update
     if @user.update(user_params)
-      redirect_to @user
+      redirect_to contests_path
     else
       render :edit, status: :unprocessable_entity
     end
@@ -22,6 +23,18 @@ class UsersController < ApplicationController
   end
 
   def new
+    @title = "New user"
+    @user = User.new()
+  end
+
+  def create
+    @user = User.new(user_params)
+    if @user.save
+      redirect_to users_path
+    else
+      @title = "New user"
+      render :new, status: :unprocessable_entity
+    end
   end
 
   def destroy
@@ -34,6 +47,6 @@ class UsersController < ApplicationController
   end
 
   def user_params
-    params.expect(user: [ :username, :email_address ])
+    params.expect(user: [ :username, :email_address, :password ])
   end
 end