5037 default the quantity per individual to 50 in the data

app/models/item.rb

@@ -29,6 +29,7 @@ class Item < ApplicationRecord
   include Exportable
   include Valuable
 
+  after_initialize :set_default_distribution_quantity, if: :new_record?
   after_update :update_associated_kit_name, if: -> { kit.present? }
   before_create :set_reporting_category
   before_destroy :validate_destroy, prepend: true
@@ -228,6 +229,10 @@ def set_reporting_category
     self.reporting_category = base_item.reporting_category if base_item.reporting_category
   end
 
+  def set_default_distribution_quantity
+    self.distribution_quantity ||= kit_id.present? ? 1 : 50
+  end
+
   def update_associated_kit_name
     kit.update(name: name)
   end

db/migrate/20250307161544_set_default_distribution_quantity.rb

@@ -0,0 +1,11 @@
+class SetDefaultDistributionQuantity < ActiveRecord::Migration[7.2]
+  def up
+    Item.where(distribution_quantity: nil).find_each do |item|
+      item.update_column(:distribution_quantity, item.kit_id.present? ? 1 : 50)
+    end
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2025_03_02_154355) do
+ActiveRecord::Schema[7.2].define(version: 2025_03_07_161544) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 

spec/models/item_spec.rb

@@ -434,6 +434,20 @@
     end
   end
 
+  describe "when distribution_quantity is set by default" do
+    it "should set distribution_quantity to 50 for regular items" do
+      item = Item.new
+      expect(item.distribution_quantity).to eq(50)
+    end
+
+    it "should set distribution_quantity to 1 for kits" do
+      organization = create(:organization)
+      kit = create(:kit, organization: organization)
+      item = Item.new(kit: kit)
+      expect(item.distribution_quantity).to eq(1)
+    end
+  end
+
   describe "distribution_quantity and package size" do
     it "have nil values if an empty string is passed" do
       expect(create(:item, distribution_quantity: '').distribution_quantity).to be_nil