Refactor SQL result summarizer for report

engines/order_management/app/services/order_management/reports/enterprise_fee_summary/enterprise_fee_type_total_summarizer.rb

@@ -2,6 +2,12 @@ module OrderManagement
   module Reports
     module EnterpriseFeeSummary
       class EnterpriseFeeTypeTotalSummarizer
+        PAYMENT_METHOD_SOURCE_TYPE = 1
+        SHIPPING_METHOD_SOURCE_TYPE = 2
+        COORDINATOR_FEE_SOURCE_TYPE = 3
+        INCOMING_EXCHANGE_LINE_ITEM_FEE_SOURCE_TYPE = 4
+        OUTGOING_EXCHANGE_LINE_ITEM_FEE_SOURCE_TYPE = 5
+
         attr_accessor :data
 
         def initialize(data)
@@ -9,33 +15,34 @@ module OrderManagement
         end
 
         def fee_type
-          if for_payment_method?
-            i18n_translate("fee_type.payment_method")
-          elsif for_shipping_method?
-            i18n_translate("fee_type.shipping_method")
-          else
-            data["fee_type"].try(:capitalize)
-          end
+          case adjustment_source_type
+            when PAYMENT_METHOD_SOURCE_TYPE
+              i18n_translate("fee_type.payment_method")
+            when SHIPPING_METHOD_SOURCE_TYPE
+              i18n_translate("fee_type.shipping_method")
+            else
+              data["fee_type"].try(:capitalize)
+            end
         end
 
         def enterprise_name
-          if for_payment_method?
-            data["hub_name"]
-          elsif for_shipping_method?
-            data["hub_name"]
-          else
-            data["enterprise_name"]
-          end
+          case adjustment_source_type
+            when PAYMENT_METHOD_SOURCE_TYPE, SHIPPING_METHOD_SOURCE_TYPE
+              data["hub_name"]
+            else
+              data["enterprise_name"]
+            end
         end
 
         def fee_name
-          if for_payment_method?
-            data["payment_method_name"]
-          elsif for_shipping_method?
-            data["shipping_method_name"]
-          else
-            data["fee_name"]
-          end
+          case adjustment_source_type
+            when PAYMENT_METHOD_SOURCE_TYPE
+              data["payment_method_name"]
+            when SHIPPING_METHOD_SOURCE_TYPE
+              data["shipping_method_name"]
+            else
+              data["fee_name"]
+            end
         end
 
         def customer_name
@@ -43,25 +50,34 @@ module OrderManagement
         end
 
         def fee_placement
-          return if for_payment_method? || for_shipping_method?
-
-          i18n_translate("fee_placements.#{data['placement_enterprise_role']}")
+          case adjustment_source_type
+            when PAYMENT_METHOD_SOURCE_TYPE, SHIPPING_METHOD_SOURCE_TYPE
+              nil
+            else
+              i18n_translate("fee_placements.#{data['placement_enterprise_role']}")
+            end
         end
 
         def fee_calculated_on_transfer_through_name
-          return if for_payment_method? || for_shipping_method?
-
-          transfer_through_all_string = i18n_translate("fee_calculated_on_transfer_through_all")
-
-          data["incoming_exchange_enterprise_name"] || data["outgoing_exchange_enterprise_name"] ||
-            (transfer_through_all_string if data["placement_enterprise_role"] == "coordinator")
+          case adjustment_source_type
+            when COORDINATOR_FEE_SOURCE_TYPE
+              i18n_translate("fee_calculated_on_transfer_through_all")
+            when INCOMING_EXCHANGE_LINE_ITEM_FEE_SOURCE_TYPE
+              data["incoming_exchange_enterprise_name"]
+            when OUTGOING_EXCHANGE_LINE_ITEM_FEE_SOURCE_TYPE
+              data["outgoing_exchange_enterprise_name"]
+            end
         end
 
         def tax_category_name
-          return if for_payment_method?
-          return i18n_translate("tax_category_name.shipping_instance_rate") if for_shipping_method?
-
-          data["tax_category_name"] || data["product_tax_category_name"]
+          case adjustment_source_type
+            when PAYMENT_METHOD_SOURCE_TYPE
+              nil
+            when SHIPPING_METHOD_SOURCE_TYPE
+              i18n_translate("tax_category_name.shipping_instance_rate")
+            else
+              data["tax_category_name"] || data["product_tax_category_name"]
+            end
         end
 
         def total_amount
@@ -70,6 +86,14 @@ module OrderManagement
 
         private
 
+        def adjustment_source_type
+          return PAYMENT_METHOD_SOURCE_TYPE if for_payment_method?
+          return SHIPPING_METHOD_SOURCE_TYPE if for_shipping_method?
+          return COORDINATOR_FEE_SOURCE_TYPE if for_coordinator_fee?
+          return INCOMING_EXCHANGE_LINE_ITEM_FEE_SOURCE_TYPE if for_incoming_exchange?
+          return OUTGOING_EXCHANGE_LINE_ITEM_FEE_SOURCE_TYPE if for_outgoing_exchange?
+        end
+
         def for_payment_method?
           data["payment_method_name"].present?
         end
@@ -78,6 +102,18 @@ module OrderManagement
           data["shipping_method_name"].present?
         end
 
+        def for_coordinator_fee?
+          data["placement_enterprise_role"] == "coordinator"
+        end
+
+        def for_incoming_exchange?
+          data["placement_enterprise_role"] == "supplier"
+        end
+
+        def for_outgoing_exchange?
+          data["placement_enterprise_role"] == "distributor"
+        end
+
         def i18n_translate(translation_key)
           I18n.t("order_management.reports.enterprise_fee_summary.#{translation_key}")
         end