Define remember method for remember me feature in Rails 3 - ruby

Question

I want to login with my app and i am getting the following error.
error:
NoMethodError in SessionsController#loginadmin
undefined method `remember' for #<SessionsController:0x267c300>
Rails.root: C:/Site/swargadwar_admin
Application Trace | Framework Trace | Full Trace
app/controllers/sessions_controller.rb:7:in `loginadmin'
My code are as follows.
views/homes/index.html.erb
<div class="container">
<div style="text-align:center;"><img src="/assets/admin.png" style="width:100px; height:120px; " /></div>
<div class="text-div" style="text-align:center;">Swargadwar, Puri Municipality,govt of odisha</div>
<section>
<% if !current_user %>
<div id="container_demo" >
<!-- hidden anchor to stop jump http://www.css3create.com/Astuce-Empecher-le-scroll-avec-l-utilisation-de-target#wrap4 -->
<a class="hiddenanchor" id="toregister"></a>
<a class="hiddenanchor" id="tologin"></a>
<div id="wrapper">
<div id="login" class="animate form">
<%= form_for :admin,:url => {:action =>'loginadmin',:controller => 'sessions' } do |f| %>
<h1>Log in</h1>
<p>
<label for="username" class="uname" data-icon="u" > Your email or username </label>
<%= f.email_field :email,placeholder:"mysupermail#mail.com",:id => "username" %>
</p>
<p>
<label for="password" class="youpasswd" data-icon="p"> Your password </label>
<%= f.password_field :password,placeholder:"eg. X8df!90EO",:id => "password" %>
</p>
<p class="keeplogin">
<%= f.check_box :remember_me,:id => "loginkeeping" %>
<label for="loginkeeping">Keep me logged in</label>
</p>
<p class="login button">
<%= f.submit "Login" %>
</p>
<p class="change_link">
Not a member yet ?
Join us
</p>
<% end %>
</form>
</div>
<div id="register" class="animate form">
<%= form_for :admin,:url => {:action => 'create_registration',:controller => "admins" } do |f| %>
<h1> Sign up </h1>
<p>
<label for="usernamesignup" class="uname" data-icon="u">Your username</label>
<%= f.text_field :user_name,placeholder:"mysuperusername690",:id => "usernamesignup" %>
</p>
<p>
<label for="emailsignup" class="youmail" data-icon="e" > Your email</label>
<%= f.email_field :email,placeholder:"mysupermail#mail.com",:id => "emailsignup" %>
</p>
<p>
<label for="passwordsignup" class="youpasswd" data-icon="p">Your password </label>
<%= f.password_field :password,placeholder:"eg. X8df!90EO",:id => "passwordsignup" %>
</p>
<p>
<label for="passwordsignup_confirm" class="youpasswd" data-icon="p">Please confirm your password </label>
<%= f.password_field :password_confirmation,placeholder:"eg. X8df!90EO",:id => "passwordsignup" %>
</p>
<p>
<label for="usernamesignup" class="uname" data-icon="u">Add Image</label>
<%= f.file_field :picture %>
</p>
<p class="signin button">
<%= f.submit "Sign Up"%>
</p>
<p class="change_link">
Already a member ?
Go and log in
</p>
<% end %>
</div>
<div class="error-div">
<% if #admin.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(#admin.errors.count, "error") %> prohibited this post from being saved:</h2>
<ul>
<% #admin.errors.full_messages.each do |msg| %>
<li><%= msg %></li>
<% end %>
</ul>
</div>
<% end %>
</div>
</div>
</div>
<% end %>
</section>
</div>
controller/sessions_controller.rb
class SessionsController < ApplicationController
def loginadmin
#admin=Admin.authenticate(params[:admin][:email], params[:admin][:password])
if #admin
session[:user_id]=#admin.id
cookies.signed[:user_id]=#admin.id
params[:admin][:remember_me] == '1' ? remember(#admin) : forget(#admin)
flash[:notice]="Login Successfull"
flash[:color]="valid"
redirect_to :action => "new", :controller => "admins"
else
flash[:notice]="Login Failed"
flash[:color]="invalid"
render 'index'
end
end
def removeuser
session[:user_id] = nil
cookies.delete :user_id
flash[:notice]="user logged out successfully"
flash[:color]="valid"
redirect_to :action => 'index', :controller => 'homes'
end
end
session_helper.rb
module SessionsHelper
def remember(admin)
admin.remember
cookies.permanent.signed[:user_id] = user.id
cookies.permanent[:remember_token] = user.remember_token
end
def forget(admin)
admin.forget
cookies.delete(:user_id)
cookies.delete(:remember_token)
end
end
model/admin.rb
class Admin < ActiveRecord::Base
attr_accessible :email, :password_hash, :password_salt, :picture, :user_name,:password_confirmation,:password, :remember_me
attr_accessor :password
before_save :encrypt_password
mount_uploader :picture, PictureUploader
EMAIL_REGEX = /\A[A-Z0-9._%+-]+#[A-Z0-9.-]+\.[A-Z]{2,4}\z/i
validates :email, :presence => true, :uniqueness => true, :format => EMAIL_REGEX
validates :user_name, :presence => true, :length => {:in => 3..10}
validates :password, :confirmation => true
validates_length_of :password, :in => 6..20, :on => :create
def encrypt_password
if password.present?
self.password_salt = BCrypt::Engine.generate_salt
self.password_hash = BCrypt::Engine.hash_secret(password, password_salt)
end
end
def self.authenticate(email, password)
user = find_by_email(email)
if user && user.password_hash == BCrypt::Engine.hash_secret(password, user.password_salt)
user
else
nil
end
end
end
As i am new to RoR please help me to solve this error and run this app successfully.

Answer 1

You must include the SessionsHelper in your SessionsController or move the remember and the forget method to the SessionsController.