Extract duplicate log fields as contsants

app/models/lettings_log.rb

@@ -54,8 +54,7 @@ class LettingsLog < Log
   scope :unresolved, -> { where(unresolved: true) }
   scope :filter_by_organisation, ->(org, _user = nil) { where(owning_organisation: org).or(where(managing_organisation: org)) }
   scope :duplicate_logs, lambda { |log|
-    attrs_to_check = %w[tenancycode propcode startdate age1 sex1 ecstat1 tcharge postcode_full]
+    where(log.slice(*DUPLICATE_LOG_ATTRIBUTES))
-    where(log.slice(*attrs_to_check))
     .where.not(id: log.id)
     .where.not(status: "deleted")
     .where.not("startdate IS NULL OR age1 IS NULL OR sex1 IS NULL OR ecstat1 IS NULL OR tcharge IS NULL OR postcode_full IS NULL OR propcode IS NULL OR needstype IS NULL")
@@ -70,6 +69,7 @@ class LettingsLog < Log
   NUM_OF_WEEKS_FROM_PERIOD = { 2 => 26, 3 => 13, 4 => 12, 5 => 50, 6 => 49, 7 => 48, 8 => 47, 9 => 46, 1 => 52, 10 => 53 }.freeze
   SUFFIX_FROM_PERIOD = { 2 => "every 2 weeks", 3 => "every 4 weeks", 4 => "every month" }.freeze
   RETIREMENT_AGES = { "M" => 67, "F" => 60, "X" => 67 }.freeze
+  DUPLICATE_LOG_ATTRIBUTES = %w[tenancycode propcode startdate age1 sex1 ecstat1 tcharge postcode_full].freeze
 
   def form
     FormHandler.instance.get_form(form_name) || FormHandler.instance.current_lettings_form
@@ -531,6 +531,10 @@ class LettingsLog < Log
     end
   end
 
+  def duplicate_log_attributes
+    %w[tenancycode propcode startdate age1 sex1 ecstat1 tcharge postcode_full]
+  end
+
 private
 
   def reset_invalid_unresolved_log_fields!

app/models/sales_log.rb

@@ -42,8 +42,7 @@ class SalesLog < Log
   }
   scope :filter_by_organisation, ->(org, _user = nil) { where(owning_organisation: org) }
   scope :duplicate_logs, lambda { |log|
-    attrs_to_check = %w[purchid saledate age1 sex1 ecstat1 postcode_full]
+    where(log.slice(*DUPLICATE_LOG_ATTRIBUTES))
-    where(log.slice(*attrs_to_check))
     .where.not(id: log.id)
     .where.not(status: "deleted")
     .where.not("saledate is NULL OR age1 IS NULL OR sex1 IS NULL OR ecstat1 IS NULL OR postcode_full IS NULL")
@@ -52,6 +51,7 @@ class SalesLog < Log
 
   OPTIONAL_FIELDS = %w[purchid othtype].freeze
   RETIREMENT_AGES = { "M" => 65, "F" => 60, "X" => 65 }.freeze
+  DUPLICATE_LOG_ATTRIBUTES = %w[purchid saledate age1 sex1 ecstat1 postcode_full].freeze
 
   def lettings?
     false