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Merge pull request #1225 from beauby/nested-serializer-lookup

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Add support for nested serializers
This commit is contained in:
L. Preston Sego III
2015-10-09 10:12:08 -04:00
parent f52ade25aa 9147469842
commit 6018ef16c4
7 changed files with 160 additions and 8 deletions
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19
lib/active_model/serializer.rb
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@@ -111,10 +111,25 @@ module ActiveModel
Digest::MD5.hexdigest(serializer_file_contents)
end
# @api private
def self.serializer_lookup_chain_for(klass)
chain = []
resource_class_name = klass.name.demodulize
resource_namespace = klass.name.deconstantize
serializer_class_name = "#{resource_class_name}Serializer"
chain.push("#{name}::#{serializer_class_name}") if self != ActiveModel::Serializer
chain.push("#{resource_namespace}::#{serializer_class_name}")
chain
end
# @api private
def self.get_serializer_for(klass)
serializers_cache.fetch_or_store(klass) do
serializer_class_name = "#{klass.name}Serializer"
serializer_class = serializer_class_name.safe_constantize
# NOTE(beauby): When we drop 1.9.3 support we can lazify the map for perfs.
serializer_class = serializer_lookup_chain_for(klass).map(&:safe_constantize).find { |x| x }
if serializer_class
serializer_class