feat: assign purchaser_code for each year

app/services/bulk_upload/sales/validator.rb

@@ -23,7 +23,7 @@ class BulkUpload::Sales::Validator
         bulk_upload.bulk_upload_errors.create!(
           field: error.attribute,
           error: error.message,
-          purchaser_code: row_parser.field_1,
+          purchaser_code: row_parser.purchaser_code,
           row:,
           cell: "#{col}#{row}",
           col:,

app/services/bulk_upload/sales/year2022/row_parser.rb

@@ -344,6 +344,10 @@ class BulkUpload::Sales::Year2022::RowParser
       .exists?(duplicate_check_fields.index_with { |field| log.public_send(field) })
   end
 
+  def purchaser_code
+    field_1
+  end
+
 private
 
   def buyer_not_interviewed?
@@ -487,7 +491,7 @@ private
 
   def attributes_for_log
     attributes = {}
-    attributes["purchid"] = field_1
+    attributes["purchid"] = purchaser_code
     attributes["saledate"] = saledate
 
     attributes["noint"] = field_6

app/services/bulk_upload/sales/year2023/row_parser.rb

@@ -473,7 +473,11 @@ class BulkUpload::Sales::Year2023::RowParser
       .exists?(duplicate_check_fields.index_with { |field| log.public_send(field) })
   end
 
-private
+  def purchaser_code
+    field_6
+  end
+
+  private
 
   def prevtenbuy2
     case field_72
@@ -695,7 +699,7 @@ private
   def attributes_for_log
     attributes = {}
 
-    attributes["purchid"] = field_6
+    attributes["purchid"] = purchaser_code
     attributes["saledate"] = saledate
     attributes["noint"] = 2 if field_28 == 1