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Contents
module ActiveRecord
module Associations
class HasManyAssociation
def delete_records(records, method)
if method == :destroy
records.each(&:destroy!)
update_counter(-records.length) unless inverse_updates_counter_cache?
else
if records == :all || !reflection.klass.primary_key
scope = self.scope
else
# CPK
# scope = self.scope.where(reflection.klass.primary_key => records)
# scope = self.scope.where(reflection.klass.primary_key => records)
table = Arel::Table.new(reflection.table_name)
and_conditions = records.map do |record|
eq_conditions = Array(reflection.association_primary_key).map do |name|
table[name].eq(record[name])
end
Arel::Nodes::And.new(eq_conditions)
end
condition = and_conditions.shift
and_conditions.each do |and_condition|
condition = condition.or(and_condition)
end
scope = self.scope.where(condition)
end
if method == :delete_all
update_counter(-scope.delete_all)
else
update_counter(-scope.update_all(reflection.foreign_key => nil))
end
end
end
def foreign_key_present?
if reflection.klass.primary_key
# CPK
#owner.attribute_present?(reflection.association_primary_key)
owner.attribute_present?(reflection.association_primary_key)
Array(reflection.klass.primary_key).all? {|key| owner.attribute_present?(key)}
else
false
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems