Class: ActiveRecord::Associations::HasManyAssociation
- Inherits:
-
Object
- Object
- ActiveRecord::Associations::HasManyAssociation
- Defined in:
- lib/composite_primary_keys/associations/has_many_association.rb
Instance Method Summary collapse
Instance Method Details
#delete_count(method, scope) ⇒ Object
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# File 'lib/composite_primary_keys/associations/has_many_association.rb', line 19 def delete_count(method, scope) if method == :delete_all scope.delete_all else # CPK # scope.update_all(nullified_owner_attributes) conds = Array(reflection.foreign_key).inject(Hash.new) do |mem, key| mem[key] = nil mem end conds[reflection.type] = nil if reflection.type.present? scope.update_all(conds) end end |
#delete_records(records, method) ⇒ Object
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# File 'lib/composite_primary_keys/associations/has_many_association.rb', line 4 def delete_records(records, method) if method == :destroy records.each(&:destroy!) update_counter(-records.length) unless reflection.inverse_updates_counter_cache? # CPK elsif self.reflection.klass.composite? predicate = cpk_in_predicate(self.scope.table, self.reflection.klass.primary_keys, records.map(&:id)) scope = self.scope.where(predicate) update_counter(-delete_count(method, scope)) else scope = self.scope.where(reflection.klass.primary_key => records) update_counter(-delete_count(method, scope)) end end |