> undefined method `friends' for #<Array:0xb6144040>
You didn't show us the controller code that defines @customer but I'll bet you
used something returned an array when you wanted a single object.
Also, be sure to note that Rails 3.1 finders return ARels (active record
relation objects) which are array-like, pre-Rails 3.1 you get an actual array.
So you get some funny business when upgrading from pre-Rails 3.1 to Rails 3.1
or higher when doing stuff like this, because ARels can behave like Arrays but
aren't actually arrays.
On Aug 16, 2012, at 11:18 AM, Jean-Sébastien D. wrote:
> I am trying to develop a friendship system like facebook. I have follow
> for guidance the two following sources
>
> How to Implement a Friendship Model in Rails 3 for a Social Networking
> Application?
> Railsspace book chapter 14, which can only be downloaded i believed
> I am a bit confused on the way railsspace has been building there
> relationship. What i am trying to do his to show in a views my
> pending_request, accepted_request and declined_request. The books seem
> to suggest the following relationship
>
> FriendshipModel
>
> class Friendship < ActiveRecord::Base
> belongs_to :customer
> belongs_to :friend, :class_name => 'Customer', :foreign_key =>
> 'friend_id'
> CustomerModel
>
> class Customer < ActiveRecord::Base
> #RELATIONSHIP
> has_many :friendships
> has_many :friends, :through => :friendships,
> :conditions => "status = 'accepted'"
> has_many :requested_friends,
> :through => :friendships,
> :source => :friend,
> :conditions => "status = 'requested'"
> has_many :pending_friends,
> :through => :friendships,
> :source => :friend,
> :conditions => "status = 'pending'"
> The issues i am having his how can i access friends who are pendings,
> friends who are requested. I have the following view in my index
> (friendship/index)
>
> <div><h1>Request</h1></div>
> <table>
> <% @customer.friends.each do |friend| %>
> <tr>
> <td><%= link_to friend.first_name, '#' %></td>
> </tr>
> <% end %>
> </table>
> But i get the following errors
>
> NoMethodError in Friends#index
>
> Showing /app/views/friends/index.html.erb where line #15 raised:
>
> undefined method `friends' for #<Array:0xb6144040>
> Extracted source (around line #15):
>
> 12:
> 13: <div><h1>Request</h1></div>
> 14: <table>
> 15: <% @customer.friends.each do |friend| %>
> 16: <tr>
> 17: <td><%= link_to friend.first_name, '#' %></td>
> 18: </tr>
> Mind you, my model is called friendship, my controller his called
> friends ( not the best name but its more for practise learning I did)
>
> Here the model
>
> # Table name: friendships
> #
> # id :integer not null, primary key
> # customer_id :integer
> # friend_id :integer
> # created_at :datetime not null
> # updated_at :datetime not null
> # approved :string(255)
> #
> Customer Schema
>
> # Table name: customers
> #
> # id :integer not null, primary key
> # email :string(255) default(""), not null
> # created_at :datetime not null
> # updated_at :datetime not null
> # first_name :string(255)
> # middle_name :string(255)
> # last_name :string(255)
> # isadmin :boolean default(FALSE)
> # isMod :boolean default(FALSE)
> #
>
> --
> Posted via http://www.ruby-forum.com/.
>
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