working login, signup, and logout

app/controllers/application_controller.rb

@@ -9,7 +9,7 @@ class ApplicationController < ActionController::Base
   private
 
   def current_user
-    @current_user ||= User.find_by_user_id(session[:user_id].to_s)
+    @current_user ||= User.find_by_id(session[:id].to_s)
   end
   
   def authenticated

app/controllers/dashboard_controller.rb

@@ -0,0 +1,6 @@
+class DashboardController < ApplicationController
+
+  def home
+  end
+
+end

app/controllers/sessions_controller.rb

@@ -3,9 +3,22 @@ class SessionsController < ApplicationController
   skip_before_filter :authenticated, :only => [:new, :create]
   
   def new
+    redirect_to dashboard_home_path(:dashboard_id => current_user.id) if current_user && current_user.id
   end
   
   def create
+      user = User.authenticate(params[:email], params[:password])
+      if user
+        session[:id] = user.id if User.where(:id => user.id).exists?
+        redirect_to dashboard_home_path(:dashboard_id => user.id)
+      else
+        render "new"
+      end
+  end
+  
+  def destroy
+    reset_session
+    redirect_to root_path
   end
 
 end

app/controllers/users_controller.rb

@@ -3,9 +3,18 @@ class UsersController < ApplicationController
   skip_before_filter :authenticated, :only => [:new, :create]
   
   def new
+    @user = User.new
   end
   
   def create
+    user = User.new(params[:user])
+    if user.save
+      session[:id] = user.id
+      redirect_to dashboard_home_path(:dashboard_id => user.id)
+    else
+      @user = User.new
+      render :new
+    end
   end
   
 end

app/helpers/dashboard_helper.rb

@@ -0,0 +1,2 @@
+module DashboardHelper
+end

app/models/user.rb

@@ -1,3 +1,18 @@
 class User < ActiveRecord::Base
-  attr_accessible :email, :password, :user_id, :admin
+  attr_accessible :email, :password, :user_id, :admin, :password_confirmation
+  validates_confirmation_of :password, :password_confirmation
+  validates_presence_of :password, :on => :create
+  validates_presence_of :email
+  validates_uniqueness_of :email
+  
+  def self.authenticate(email, password)
+       auth = nil
+       user = find_by_email(email)
+       # I heard something about hashing, dunno, why bother really. Nobody will get access to my stuff!
+       if user && user.password == password
+        auth = user
+       end
+       return auth
+  end
+    
 end

app/views/layouts/shared/_header.html.erb

@@ -4,7 +4,8 @@
      </a>
      <div class="user-profile">
        <a data-toggle="dropdown" class="dropdown-toggle">
-         <img src="../assets/profile_color.jpg" alt="profile">
+         <img src=" <%= image_path('profile_color.jpg')%>"  alt="profile">
+	
        </a>
        <span class="caret"></span>
        <ul class="dropdown-menu pull-right">
@@ -19,9 +20,7 @@
            </a>
          </li>
          <li>
-           <a href="#">
-             Logout
-           </a>
+           <%= link_to "logout", logout_path %>
          </li>
        </ul>
      </div>

app/views/users/new.html.erb

@@ -5,7 +5,7 @@
         <div class="row-fluid">
           <div class="span4 offset4">
             <div class="signup">
-			<%= form_tag "users", :class=> "signup-wrapper" do %>
+			<%= form_for @user, :html => {:class=> "signup-wrapper"} do |f| %>
 			
 					<div class="header">
 	                  <h2>Sign Up</h2>
@@ -13,18 +13,18 @@
 	                </div>
 	
 					<div class="content">
-				    		<%= label_tag "Email Address" %>
-				    		<%= text_field_tag :email, params[:email], {:class => "input input-block-level"} %>
+				    		<%= f.label "Email Address" %>
+				    		<%= f.text_field :email, {:class => "input input-block-level"} %>
 				  
-				    		<%= label_tag :password, nil %>
-				    		<%= password_field_tag :password, nil, {:class => "input input-block-level"}%>
+				    		<%= f.label :password, nil %>
+				    		<%= f.password_field :password, {:class => "input input-block-level"}%>
 				
-							<%= label_tag :confirm_password, nil %>
-				    		<%= password_field_tag :password_confirmation, nil, {:class => "input input-block-level"}%>
+							<%= f.label :confirm_password %>
+				    		<%= f.password_field :password_confirmation, {:class => "input input-block-level"}%>
 					</div>
 				
 					<div class="actions">
-						<%= submit_tag "Submit", {:class => "btn btn-info btn-large pull-right"} %>
+						<%= f.submit "Submit", {:class => "btn btn-info btn-large pull-right"} %>
 					</div>
 					<div class="clearfix"></div>
 				<% end %>

config/routes.rb

@@ -1,9 +1,8 @@
 Railsgoat::Application.routes.draw do
 
-  get "users/new"
-
 get "login" => "sessions#new"
 get "signup" => "users#new"
+get "logout" => "sessions#destroy"
 
 resources :sessions do
 
@@ -17,6 +16,10 @@ resources :tutorials do
 
 end
 
+resources :dashboard do 
+  get "home" => "dashboard#home"
+end
+
 root :to => "sessions#new"
 
 end

db/migrate/20130424220355_create_users.rb

@@ -3,7 +3,6 @@ class CreateUsers < ActiveRecord::Migration
     create_table :users do |t|
       t.string :email
       t.string :password
-      t.string :user_id
       t.boolean :admin
 
       t.timestamps

test/functional/dashboard_controller_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class DashboardControllerTest < ActionController::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/unit/helpers/dashboard_helper_test.rb

@@ -0,0 +1,4 @@
+require 'test_helper'
+
+class DashboardHelperTest < ActionView::TestCase
+end