Class: NestedRecord::Methods::Many
Instance Method Summary
collapse
#attributes_writer_method_name, #define, #define_attributes_writer_method, #reader_method_name, #rewrite_attributes_method_name, #upsert_attributes_method_name, #writer_method_name
Constructor Details
#initialize(setup) ⇒ Many
Returns a new instance of Many.
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# File 'lib/nested_record/methods/many.rb', line 3
def initialize(setup)
super
define :reader
define :writer
define :rewrite_attributes
define :upsert_attributes
define :validation
define_attributes_writer_method
end
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Instance Method Details
#reader_method_body ⇒ Object
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# File 'lib/nested_record/methods/many.rb', line 17
def reader_method_body
setup = @setup
ivar = :"@_#{@setup.name}_collection_proxy"
proc do
instance_variable_get(ivar) || instance_variable_set(ivar, setup.collection_proxy_class.new(self))
end
end
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#rewrite_attributes_method_body ⇒ Object
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# File 'lib/nested_record/methods/many.rb', line 76
def rewrite_attributes_method_body
setup = @setup
writer_method_name = self.writer_method_name
proc do |data|
attributes_collection =
if data.is_a? Hash
data.values
else
data
end
collection = setup.collection_class.new
attributes_collection.each do |attributes|
attributes = attributes.stringify_keys
next if setup.reject_if_proc&.call(attributes)
collection.build(attributes)
end
public_send(writer_method_name, collection)
end
end
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#upsert_attributes_method_body ⇒ Object
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# File 'lib/nested_record/methods/many.rb', line 45
def upsert_attributes_method_body
setup = @setup
name = @setup.name
proc do |data|
attributes_collection =
if data.is_a? Hash
data.values
else
data
end
collection = public_send(name)
attributes_collection.each do |attributes|
attributes = attributes.stringify_keys
next if setup.reject_if_proc&.call(attributes)
pkey_check = setup.primary_check(attributes['type'])
unless pkey_check
raise NestedRecord::ConfigurationError, 'You should specify a primary_key when using :upsert strategy'
end
pkey = pkey_check.build_pkey(attributes)
if (record = collection.find_by(pkey))
record.assign_attributes(attributes)
else
collection.__build__(attributes)
end
end
end
end
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#validation_method_body ⇒ Object
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# File 'lib/nested_record/methods/many.rb', line 96
def validation_method_body
name = @setup.name
if ActiveModel::VERSION::MAJOR < 6 || (ActiveModel::VERSION::MAJOR == 6 && ActiveModel::VERSION::MINOR < 1)
proc do
collection = public_send(name)
collection.map.with_index do |record, index|
next true if record.valid?
record.errors.each do |attribute, message|
error_attribute = "#{name}[#{index}].#{attribute}"
errors[error_attribute] << message
errors[error_attribute].uniq!
end
record.errors.details.each_key do |attribute|
error_attribute = "#{name}[#{index}].#{attribute}"
record.errors.details[attribute].each do |error|
errors.details[error_attribute] << error
errors.details[error_attribute].uniq!
end
end
false
end.all?
end
else
proc do
collection = public_send(name)
collection.map.with_index do |record, index|
next true if record.valid?
record.errors.group_by_attribute.each do |attribute, errors|
error_attribute = "#{name}[#{index}].#{attribute}"
errors.each do |error|
self.errors.import(error, attribute: error_attribute)
end
end
false
end.all?
end
end
end
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#validation_method_name ⇒ Object
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# File 'lib/nested_record/methods/many.rb', line 13
def validation_method_name
:"validate_associated_records_for_#{@setup.name}"
end
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#writer_method_body ⇒ Object
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# File 'lib/nested_record/methods/many.rb', line 25
def writer_method_body
setup = @setup
proc do |records|
collection_class = setup.collection_class
if records.is_a? collection_class
collection = records.dup
else
collection = collection_class.new
records.each { |record| collection << record }
end
collection.group_by { |record| setup.primary_check(record.read_attribute('type')) }.each do |check, records|
next unless check
records.each do |record|
check.perform!(collection, record)
end
end
super(collection)
end
end
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