Merge pull request #2561 from ekylibre/debug/fix-two-clicks-intervention-creation

Add a default value of 1 for quantity_population of InterventionOutput

Author: Aquaj

app/models/intervention_output.rb

@@ -63,6 +63,12 @@ class InterventionOutput < InterventionProductParameter
   has_one :product_movement, as: :originator, dependent: :destroy
   validates :variant, :quantity_population, presence: true
 
+  after_initialize do
+    next if persisted?
+
+    self.quantity_population ||= 1
+  end
+
   after_save do
     unless destroyed?
       output = product