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module ActiveRecord::Associations
class HasManyForActiveModelAssociation < HasManyAssociation
# remove conditions: owner.new_record?, foreign_key_present?
def find_target?
!loaded? && klass
end
# no dependent action
def null_scope?
false
end
# not support counter_cache
def empty?
if loaded?
size.zero?
else
@target.blank? && !scope.exists?
end
end
# full replace simplely
def replace(other_array)
original_target = load_target.dup
other_array.each { |val| raise_on_type_mismatch!(val) }
target_ids = reflection.options[:target_ids]
owner[target_ids] = other_array.map(&:id)
old_records = original_target - other_array
old_records.each do |record|
@target.delete(record)
end
other_array.each do |record|
if index = @target.index(record)
@target[index] = record
else
@target << record
end
end
end
# no need transaction
def concat(*records)
load_target
flatten_records = records.flatten
flatten_records.each { |val| raise_on_type_mismatch!(val) }
target_ids = reflection.options[:target_ids]
owner[target_ids] ||= []
owner[target_ids].concat(flatten_records.map(&:id))
flatten_records.each do |record|
if index = @target.index(record)
@target[index] = record
else
@target << record
end
end
target
end
private
def get_records
return scope.to_a if reflection.scope_chain.any?(&:any?)
target_ids = reflection.options[:target_ids]
klass.where(id: owner[target_ids]).to_a
end
end
end
Version data entries
11 entries across 11 versions & 2 rubygems