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Refactor reflection building serializer class

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Benjamin Fleischer 2017-04-23 15:01:58 -05:00
parent 079b3d6841
commit ee69293c8f
1 changed files with 19 additions and 25 deletions
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44
lib/active_model/serializer/reflection.rb
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@ -147,16 +147,24 @@ module ActiveModel
# @api private
def build_association(parent_serializer, parent_serializer_options, include_slice = {})
reflection_options = settings.merge(include_data: include_data?(include_slice)) unless block?
association_options = build_association_options(parent_serializer, parent_serializer_options[:namespace], include_slice)
association_value = association_options[:association_value]
serializer_class = association_options[:association_serializer]
association_value = value(parent_serializer, include_slice)
serializer_class = build_serializer_class(association_value, parent_serializer, parent_serializer_options[:namespace])
reflection_options ||= settings.merge(include_data: include_data?(include_slice)) # Needs to be after association_value is evaluated unless reflection.block.nil?
if serializer_class
reflection_options.merge!(
serialize_association_value!(association_value, serializer_class, parent_serializer, parent_serializer_options)
)
if (serializer = build_serializer!(association_value, serializer_class, parent_serializer, parent_serializer_options))
reflection_options[:serializer] = serializer
else
# BUG: per #2027, JSON API resource relationships are only id and type, and hence either
# *require* a serializer or we need to be a little clever about figuring out the id/type.
# In either case, returning the raw virtual value will almost always be incorrect.
#
# Should be reflection_options[:virtual_value] or adapter needs to figure out what to do
# with an object that is non-nil and has no defined serializer.
reflection_options[:virtual_value] = association_value.try(:as_json) || association_value
end
elsif !association_value.nil? && !association_value.instance_of?(Object)
reflection_options[:virtual_value] = association_value
end
@ -226,35 +234,21 @@ module ActiveModel
end
end
def serialize_association_value!(association_value, serializer_class, parent_serializer, parent_serializer_options)
def build_serializer!(association_value, serializer_class, parent_serializer, parent_serializer_options)
if to_many?
if (serializer = build_association_collection_serializer(parent_serializer, parent_serializer_options, association_value, serializer_class))
{ serializer: serializer }
else
# BUG: per #2027, JSON API resource relationships are only id and type, and hence either
# *require* a serializer or we need to be a little clever about figuring out the id/type.
# In either case, returning the raw virtual value will almost always be incorrect.
#
# Should be reflection_options[:virtual_value] or adapter needs to figure out what to do
# with an object that is non-nil and has no defined serializer.
{ virtual_value: association_value.try(:as_json) || association_value }
end
build_association_collection_serializer(parent_serializer, parent_serializer_options, association_value, serializer_class)
else
{ serializer: build_association_serializer(parent_serializer, parent_serializer_options, association_value, serializer_class) }
build_association_serializer(parent_serializer, parent_serializer_options, association_value, serializer_class)
end
end
def build_association_options(parent_serializer, parent_serializer_namespace_option, include_slice)
def build_serializer_class(association_value, parent_serializer, parent_serializer_namespace_option)
serializer_for_options = {
# Pass the parent's namespace onto the child serializer
namespace: namespace || parent_serializer_namespace_option
}
serializer_for_options[:serializer] = serializer if serializer?
association_value = value(parent_serializer, include_slice)
{
association_value: association_value,
association_serializer: parent_serializer.class.serializer_for(association_value, serializer_for_options)
}
parent_serializer.class.serializer_for(association_value, serializer_for_options)
end
# NOTE(BF): This serializer throw/catch should only happen when the serializer is a collection