From 0d0e6c68f86692fd7151c70b5a581766d98d501b Mon Sep 17 00:00:00 2001
From: Sergey Kucher <s.e.kucher@gmail.com>
Date: Thu, 15 Mar 2018 19:10:42 +0500
Subject: [PATCH] chore: previous company for processors/company/base

https://jira.railsc.ru/browse/ORDERS-1453
---
 lib/treasury/processors/base.rb         | 6 ++++++
 lib/treasury/processors/company/base.rb | 9 +++++++++
 lib/treasury/processors/user/base.rb    | 9 +++++++++
 3 files changed, 24 insertions(+)

diff --git a/lib/treasury/processors/base.rb b/lib/treasury/processors/base.rb
index b2986ce..066a75c 100644
--- a/lib/treasury/processors/base.rb
+++ b/lib/treasury/processors/base.rb
@@ -12,7 +12,9 @@ class Base < Treasury::Pgq::Consumer
       attr_reader   :data
       attr_reader   :params
       attr_reader   :event
+
       attr_accessor :object
+      attr_accessor :prev_object
 
       def initialize(processor_info, logger = Rails.logger)
         @processor_info = processor_info
@@ -73,6 +75,10 @@ def current_value(field_name = nil)
         object_value(@object, field_name)
       end
 
+      def previous_value(field_name = nil)
+        object_value(@prev_object, field_name)
+      end
+
       def object_value(l_object, field_name = nil)
         value = if @data.key?(l_object) && @data[l_object].key?(field_name || field.first_field)
                   @data[l_object][field_name || field.first_field]
diff --git a/lib/treasury/processors/company/base.rb b/lib/treasury/processors/company/base.rb
index 1d66e65..d834350 100644
--- a/lib/treasury/processors/company/base.rb
+++ b/lib/treasury/processors/company/base.rb
@@ -7,16 +7,25 @@ class Base < ::Treasury::Processors::Base
         alias :company_id= :object=
         alias :company_id :object
 
+        alias :prev_company_id= :prev_object=
+        alias :prev_company_id  :prev_object
+
         protected
 
         def init_event_params
           self.company_id = extract_company.to_i.nonzero?
+          self.prev_company_id = extract_prev_company.to_i.nonzero?
+
           raise ArgumentError, "Company ID expected to be Integer, #{@event.inspect}" unless company_id
         end
 
         def extract_company
           @event.raw_data.key?(:company_id) ? @event.raw_data[:company_id] : @event.raw_data[:id]
         end
+
+        def extract_prev_company
+          @event.raw_prev_data.key?(:company_id) ? @event.raw_prev_data[:company_id] : @event.raw_prev_data[:id]
+        end
       end
     end
   end
diff --git a/lib/treasury/processors/user/base.rb b/lib/treasury/processors/user/base.rb
index a9c89a3..6725c9a 100644
--- a/lib/treasury/processors/user/base.rb
+++ b/lib/treasury/processors/user/base.rb
@@ -7,16 +7,25 @@ class Base < ::Treasury::Processors::Base
         alias :user_id= :object=
         alias :user_id  :object
 
+        alias :prev_user_id= :prev_object=
+        alias :prev_user_id  :prev_object
+
         protected
 
         def init_event_params
           self.user_id = extract_user
+          self.prev_user_id = extract_prev_user
+
           raise ArgumentError, "User ID expected to be Integer, #{@event.inspect}" unless user_id
         end
 
         def extract_user
           @event.raw_data[:user_id] || @event.raw_data[:id]
         end
+
+        def extract_prev_user
+          @event.raw_prev_data[:user_id] || @event.raw_prev_data[:id]
+        end
       end
     end
   end