facebook friend finder gathers fb friends.

app/controllers/services_controller.rb

@@ -34,7 +34,6 @@ class ServicesController < ApplicationController
     end
   end
 
-
   def failure
     Rails.logger.info  "error in oauth #{params.inspect}"
     flash[:error] = t('services.failure.error')
@@ -47,4 +46,9 @@ class ServicesController < ApplicationController
     flash[:notice] = I18n.t 'services.destroy.success'
     redirect_to services_url
   end
+
+  def finder
+    service = current_user.services.where(:provider => params[:provider]).first
+    @friends = service ? service.finder : {}
+  end
 end

app/models/services/facebook.rb

@@ -14,4 +14,14 @@ class Services::Facebook < Service
   def public_message(post, url)
     super(post, MAX_CHARACTERS,  url)
   end
+
+  def finder
+    Rails.logger.debug("event=friend_finder type=facebook sender_id=#{self.user_id}")
+    response = RestClient.get("https://graph.facebook.com/me/friends", {:params => {:access_token => self.access_token}})
+    data = JSON.parse(response.body)['data']
+
+    Hash[*data.collect {|v|
+      [v['id'], {:name => v['name']}]
+    }.flatten]
+  end
 end

app/views/aspects/index.html.haml

@@ -44,3 +44,9 @@
     %h4= t('shared.invitations.invites')
     = render "shared/invitations", :invites => @invites
 
+  .section
+    %h4
+      Find your friends
+
+    = link_to "From Facebook", friend_finder_path('facebook')
+

app/views/services/finder.html.haml

@@ -0,0 +1,20 @@
+-#   Copyright (c) 2010, Diaspora Inc.  This file is
+-#   licensed under the Affero General Public License version 3 or later.  See
+-#   the COPYRIGHT file.
+
+- content_for :head do
+  = include_javascripts :aspects
+
+%h3
+  facebook friend finder
+
+.contact_list
+  = search_field_tag :contact_search, "", :class => 'contact_list_search', :results => 5, :placeholder => t('shared.contact_list.all_contacts')
+  %ul
+    - for friend in @friends
+      %li
+        %h4.name
+          = link_to friend['name'], '#'
+        /.right
+        /= aspect_membership_button(aspect, contact, contact.person)
+

config/routes.rb

@@ -6,6 +6,8 @@ Diaspora::Application.routes.draw do
   resources :status_messages, :only => [:create, :destroy, :show]
   resources :comments,        :only => [:create]
   resources :requests,        :only => [:destroy, :create]
+
+  match 'services/finder/:provider' => 'services#finder', :as => 'friend_finder'
   resources :services
 
   match 'statistics/generate_single' => 'statistics#generate_single'

spec/controllers/services_controller_spec.rb

@@ -79,4 +79,17 @@ describe ServicesController do
       }.should change(@user.services, :count).by(-1)
     end
   end
+
+  describe '#finder' do
+    before do
+      @service1 = Factory.create(:service, :provider => 'facebook')
+      @user.services << @service1
+    end
+
+    it 'calls the finder method for the service for that user' do
+      @user.services.stub!(:where).and_return([@service1])
+      @service1.should_receive(:finder).and_return({})
+      get :finder, :provider => @service1.provider
+    end
+  end
 end

spec/models/services/facebook_spec.rb

@@ -26,4 +26,50 @@ describe Services::Facebook do
       @service.post(@post, url)
     end
   end
+
+  describe '#finder' do
+    before do
+      @user2 = Factory(:user)
+      @user2_fb_id = '820651'
+      @user2_fb_name = 'Maxwell Salzberg'
+      @user2.services << Factory.build(:service, :provider => 'facebook' , :uid => @user2_fb_id)
+      @fb_list_hash =  <<JSON
+      {
+        "data": [
+          {
+            "name": "#{@user2_fb_name}",
+            "id": "#{@user2_fb_id}"
+          }
+        ]
+      }
+JSON
+      @web_mock = mock()
+      @web_mock.stub!(:body).and_return(@fb_list_hash)
+      RestClient.stub!(:get).and_return(@web_mock)
+    end
+
+    it 'requests a friend list' do
+      RestClient.should_receive(:get).with("https://graph.facebook.com/me/friends", {:params => {:access_token => @service.access_token}}).and_return(@web_mock)
+      @service.finder
+    end
+
+    context 'returns a hash' do
+      it 'returns a hash' do
+        @service.finder.class.should == Hash
+      end
+      it 'contains a name' do
+        @service.finder.values.include?({:name => @user2_fb_name}).should be_true
+      end
+      it 'contains a photo url' do
+        pending
+      end
+      it 'contains a FB id' do
+        @service.finder.include?(@user2_fb_id).should be_true
+      end
+      it 'contains a diaspora person object' do
+        pending
+      end
+    end
+
+  end
 end