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POUnique friendship help needed Rails 3
 

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  1. POUnique friendship help needed Rails 3
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    <p>I need help about friendship uniqueness and add to friend links my routes.rb:</p> <pre><code>devise_for :users resources :users, only: [:index, :show] do resources :friendships, only: [:create, :destroy] end </code></pre> <p>my User model :</p> <pre><code>class User &lt; ActiveRecord::Base # Include default devise modules. Others available are: # :token_authenticatable, :confirmable, # :lockable, :timeoutable and :omniauthable devise :database_authenticatable, :registerable, :recoverable, :rememberable, :trackable, :validatable # Setup accessible (or protected) attributes for your model attr_accessible :email, :password, :password_confirmation, :remember_me, :username # attr_accessible :title, :body has_many :topics has_many :posts has_many :friendships has_many :friends, :through =&gt; :friendships has_many :inverse_friendships, :class_name =&gt; "Friendship", :foreign_key =&gt; "friend_id" has_many :inverse_friends, :through =&gt; :inverse_friendships, :source =&gt; :user end </code></pre> <p>my friendship model :</p> <pre><code>class Friendship &lt; ActiveRecord::Base attr_accessible :friend_id, :user_id belongs_to :user belongs_to :friend, :class_name =&gt; "User" end </code></pre> <p>friendships_controller.rb:</p> <pre><code>class FriendshipsController &lt; ApplicationController before_filter :authenticate_user! def create @friendship = current_user.friendships.build(:friend_id =&gt; params[:friend_id]) if @friendship.save flash[:notice] = "Arkadaşlara eklendi." redirect_to root_url else flash[:error] = "Arkadaşlara Eklenemiyor." redirect_to root_url end end def destroy @friendship = current_user.friendships.find(params[:id]) @friendship.destroy flash[:notice] = "Arkadaşlarımdan kaldırıldı." redirect_to current_user end end </code></pre> <p>users_controller.rb:</p> <pre><code>class UsersController &lt; ApplicationController before_filter :authenticate_user! def index @users = User.all end def show @user = User.find(params[:id]) @topics = @user.topics.paginate(page: params[:page]) @friendship = @user.friendships.build(:friend_id =&gt; params[:friend_id]) @friendships = @user.friendships.all end end </code></pre> <p>This is my friend add link :</p> <pre><code> &lt;h1&gt; &lt;%= @user.username %&gt; &lt;/h1&gt; &lt;%= link_to "Arkadaşlarıma Ekle", friendships_path(:friend_id =&gt; @user), :method =&gt; :post,class: "btn btn-large btn-primary" %&gt; </code></pre> <p>And I cant find the correct path for showing users as friends.</p> <pre><code>&lt;% for friendship in @friendships %&gt; &lt;%= link_to friendship.friend.username, '#' %&gt; (&lt;%= link_to 'Sil', friendship, :method =&gt; :delete %&gt;) &lt;% end %&gt; </code></pre> <p>Can anyone help me ?</p>
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