Add versioning to billing

app/models/account.rb

@@ -1,4 +1,5 @@
 class Account < ActiveRecord::Base
+  include Versions
   belongs_to :registrar
   has_many :account_activities
 

app/models/account_activity.rb

@@ -1,4 +1,5 @@
 class AccountActivity < ActiveRecord::Base
+  include Versions
   belongs_to :account
   belongs_to :bank_transaction
   belongs_to :invoice

app/models/bank_statement.rb

@@ -1,4 +1,5 @@
 class BankStatement < ActiveRecord::Base
+  include Versions
   has_many :bank_transactions
 
   attr_accessor :th6_file

app/models/bank_transaction.rb

@@ -1,4 +1,5 @@
 class BankTransaction < ActiveRecord::Base
+  include Versions
   belongs_to :bank_statement
   has_one :account_activity
 

app/models/invoice.rb

@@ -1,4 +1,5 @@
 class Invoice < ActiveRecord::Base
+  include Versions
   belongs_to :seller, class_name: 'Registrar'
   belongs_to :buyer, class_name: 'Registrar'
   has_many :invoice_items

app/models/invoice_item.rb

@@ -1,4 +1,5 @@
 class InvoiceItem < ActiveRecord::Base
+  include Versions
   belongs_to :invoice
 
   def item_sum_without_vat

app/models/version/account_activity_version.rb

@@ -0,0 +1,4 @@
+class AccountActivityVersion < PaperTrail::Version
+  self.table_name    = :log_account_activities
+  self.sequence_name = :log_account_activities_id_seq
+end

app/models/version/account_version.rb

@@ -0,0 +1,4 @@
+class AccountVersion < PaperTrail::Version
+  self.table_name    = :log_accounts
+  self.sequence_name = :log_accounts_id_seq
+end

app/models/version/bank_statement_version.rb

@@ -0,0 +1,4 @@
+class BankStatementVersion < PaperTrail::Version
+  self.table_name    = :log_bank_statements
+  self.sequence_name = :log_bank_statements_id_seq
+end

app/models/version/bank_transaction_version.rb

@@ -0,0 +1,4 @@
+class BankTransactionVersion < PaperTrail::Version
+  self.table_name    = :log_bank_transactions
+  self.sequence_name = :log_bank_transactions_id_seq
+end

app/models/version/invoice_item_version.rb

@@ -0,0 +1,4 @@
+class InvoiceItemVersion < PaperTrail::Version
+  self.table_name    = :log_invoice_items
+  self.sequence_name = :log_invoice_items_id_seq
+end

app/models/version/invoice_version.rb

@@ -0,0 +1,4 @@
+class InvoiceVersion < PaperTrail::Version
+  self.table_name    = :log_invoices
+  self.sequence_name = :log_invoices_id_seq
+end