Added associations

app/models/client.rb

@@ -10,4 +10,7 @@
 #
 
 class Client < ActiveRecord::Base
+  def transactions
+    Transaction.where(origin: name)
+  end
 end

app/models/transaction.rb

@@ -13,6 +13,10 @@
 #
 
 class Transaction < ActiveRecord::Base
-  belongs_to :debtor
-  belongs_to :creditor
+  belongs_to :debtor, class_name: 'User'
+  belongs_to :creditor, class_name: 'User'
+
+  def client
+    Client.find_by name: origin
+  end
 end

app/models/user.rb

@@ -12,4 +12,8 @@
 
 class User < ActiveRecord::Base
   devise :timeoutable, :omniauthable, :omniauth_providers => [:zeuswpi]
+  has_many :incoming_transactions,
+    class_name: 'Transaction', foreign_key: 'creditor_id'
+  has_many :outgoing_transactions,
+    class_name: 'Transaction', foreign_key: 'debtor_id'
 end