Merge pull request #2094 from bf4/move_association_concern_to_association

Move association serialization to association
This commit is contained in:
Benjamin Fleischer 2017-04-22 22:14:33 -05:00 committed by GitHub
commit 3fb72d94b5
3 changed files with 41 additions and 39 deletions

View File

@ -379,9 +379,8 @@ module ActiveModel
def serializable_hash(adapter_options = nil, options = {}, adapter_instance = self.class.serialization_adapter_instance)
adapter_options ||= {}
options[:include_directive] ||= ActiveModel::Serializer.include_directive_from_options(adapter_options)
cached_attributes = adapter_options[:cached_attributes] ||= {}
resource = fetch_attributes(options[:fields], cached_attributes, adapter_instance)
relationships = resource_relationships(adapter_options, options, adapter_instance)
resource = attributes_hash(adapter_options, options, adapter_instance)
relationships = associations_hash(adapter_options, options, adapter_instance)
resource.merge(relationships)
end
alias to_hash serializable_hash
@ -413,34 +412,28 @@ module ActiveModel
end
# @api private
def resource_relationships(adapter_options, options, adapter_instance)
def attributes_hash(_adapter_options, options, adapter_instance)
if self.class.cache_enabled?
fetch_attributes(options[:fields], options[:cached_attributes] || {}, adapter_instance)
elsif self.class.fragment_cache_enabled?
fetch_attributes_fragment(adapter_instance, options[:cached_attributes] || {})
else
attributes(options[:fields], true)
end
end
# @api private
def associations_hash(adapter_options, options, adapter_instance)
relationships = {}
include_directive = options.fetch(:include_directive)
associations(include_directive).each do |association|
adapter_opts = adapter_options.merge(include_directive: include_directive[association.key])
relationships[association.key] ||= relationship_value_for(association, adapter_opts, adapter_instance)
relationships[association.key] ||= association.serializable_hash(adapter_opts, adapter_instance)
end
relationships
end
# @api private
def relationship_value_for(association, adapter_options, adapter_instance)
return association.options[:virtual_value] if association.options[:virtual_value]
association_serializer = association.serializer
association_object = association_serializer && association_serializer.object
return unless association_object
relationship_value = association_serializer.serializable_hash(adapter_options, {}, adapter_instance)
if association.options[:polymorphic] && relationship_value
polymorphic_type = association_object.class.name.underscore
relationship_value = { type: polymorphic_type, polymorphic_type.to_sym => relationship_value }
end
relationship_value
end
protected
attr_accessor :instance_options

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@ -29,6 +29,22 @@ module ActiveModel
def meta
options[:meta]
end
# @api private
def serializable_hash(adapter_options, adapter_instance)
return options[:virtual_value] if options[:virtual_value]
object = serializer && serializer.object
return unless object
serialization = serializer.serializable_hash(adapter_options, {}, adapter_instance)
if options[:polymorphic] && serialization
polymorphic_type = object.class.name.underscore
serialization = { type: polymorphic_type, polymorphic_type.to_sym => serialization }
end
serialization
end
end
end
end

View File

@ -170,6 +170,7 @@ module ActiveModel
# Read cache from cache_store
# @return [Hash]
# Used in CollectionSerializer to set :cached_attributes
def cache_read_multi(collection_serializer, adapter_instance, include_directive)
return {} if ActiveModelSerializers.config.cache_store.blank?
@ -215,23 +216,17 @@ module ActiveModel
### INSTANCE METHODS
def fetch_attributes(fields, cached_attributes, adapter_instance)
if serializer_class.cache_enabled?
key = cache_key(adapter_instance)
cached_attributes.fetch(key) do
serializer_class.cache_store.fetch(key, serializer_class._cache_options) do
attributes(fields, true)
end
key = cache_key(adapter_instance)
cached_attributes.fetch(key) do
fetch(adapter_instance, serializer_class._cache_options, key) do
attributes(fields, true)
end
elsif serializer_class.fragment_cache_enabled?
fetch_attributes_fragment(adapter_instance, cached_attributes)
else
attributes(fields, true)
end
end
def fetch(adapter_instance, cache_options = serializer_class._cache_options)
def fetch(adapter_instance, cache_options = serializer_class._cache_options, key = cache_key(adapter_instance))
if serializer_class.cache_store
serializer_class.cache_store.fetch(cache_key(adapter_instance), cache_options) do
serializer_class.cache_store.fetch(key, cache_options) do
yield
end
else
@ -242,7 +237,6 @@ module ActiveModel
# 1. Determine cached fields from serializer class options
# 2. Get non_cached_fields and fetch cache_fields
# 3. Merge the two hashes using adapter_instance#fragment_cache
# rubocop:disable Metrics/AbcSize
def fetch_attributes_fragment(adapter_instance, cached_attributes = {})
serializer_class._cache_options ||= {}
serializer_class._cache_options[:key] = serializer_class._cache_key if serializer_class._cache_key
@ -251,22 +245,21 @@ module ActiveModel
non_cached_fields = fields[:non_cached].dup
non_cached_hash = attributes(non_cached_fields, true)
include_directive = JSONAPI::IncludeDirective.new(non_cached_fields - non_cached_hash.keys)
non_cached_hash.merge! resource_relationships({}, { include_directive: include_directive }, adapter_instance)
non_cached_hash.merge! associations_hash({}, { include_directive: include_directive }, adapter_instance)
cached_fields = fields[:cached].dup
key = cache_key(adapter_instance)
cached_hash =
cached_attributes.fetch(key) do
serializer_class.cache_store.fetch(key, serializer_class._cache_options) do
fetch(adapter_instance, serializer_class._cache_options, key) do
hash = attributes(cached_fields, true)
include_directive = JSONAPI::IncludeDirective.new(cached_fields - hash.keys)
hash.merge! resource_relationships({}, { include_directive: include_directive }, adapter_instance)
hash.merge! associations_hash({}, { include_directive: include_directive }, adapter_instance)
end
end
# Merge both results
adapter_instance.fragment_cache(cached_hash, non_cached_hash)
end
# rubocop:enable Metrics/AbcSize
def cache_key(adapter_instance)
return @cache_key if defined?(@cache_key)