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Original file line number | Diff line number | Diff line change |
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@@ -1,13 +1,32 @@ | ||
module ActiveModelSerializers | ||
module Adapter | ||
class Attributes < Base | ||
def initialize(*) | ||
super | ||
instance_options[:fieldset] ||= ActiveModel::Serializer::Fieldset.new(fields_to_fieldset(instance_options.delete(:fields))) | ||
end | ||
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def serializable_hash(options = nil) | ||
options = serialization_options(options) | ||
options[:fields] ||= instance_options[:fields] | ||
serialized_hash = serializer.serializable_hash(instance_options, options, self) | ||
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self.class.transform_key_casing!(serialized_hash, instance_options) | ||
end | ||
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def fields_to_fieldset(fields) | ||
return fields if fields.nil? | ||
resource_fields = [] | ||
relationship_fields = {} | ||
fields.each do |field| | ||
case field | ||
when Symbol, String then resource_fields << field | ||
when Hash then relationship_fields.merge!(field) | ||
else fail ArgumentError, "Unknown conversion of fields to fieldset: '#{field.inspect}' in '#{fields.inspect}'" | ||
end | ||
end | ||
relationship_fields.merge(serializer.json_key.to_sym => resource_fields) | ||
end | ||
end | ||
end | ||
end |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,63 @@ | ||
require 'test_helper' | ||
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module ActiveModelSerializers | ||
module Adapter | ||
class Json | ||
class FieldsTest < ActiveSupport::TestCase | ||
class Post < ::Model | ||
attributes :title, :body | ||
associations :author, :comments | ||
end | ||
class Author < ::Model | ||
attributes :name, :birthday | ||
end | ||
class Comment < ::Model | ||
attributes :title, :body | ||
associations :author, :post | ||
end | ||
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class PostSerializer < ActiveModel::Serializer | ||
type 'posts' | ||
attributes :title, :body | ||
belongs_to :author | ||
has_many :comments | ||
end | ||
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class AuthorSerializer < ActiveModel::Serializer | ||
attributes :name, :birthday | ||
end | ||
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class CommentSerializer < ActiveModel::Serializer | ||
type 'comments' | ||
attributes :title, :body | ||
belongs_to :author | ||
end | ||
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def setup | ||
@author = Author.new(id: 1, name: 'Lucas', birthday: '10.01.1990') | ||
@comment1 = Comment.new(id: 7, body: 'cool', author: @author) | ||
@comment2 = Comment.new(id: 12, body: 'awesome', author: @author) | ||
@post = Post.new(id: 1337, title: 'Title 1', body: 'Body 1', | ||
author: @author, comments: [@comment1, @comment2]) | ||
@comment1.post = @post | ||
@comment2.post = @post | ||
end | ||
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def test_fields_attributes | ||
fields = [:title] | ||
hash = serializable(@post, adapter: :json, fields: fields, include: []).serializable_hash | ||
expected = { title: 'Title 1' } | ||
assert_equal(expected, hash[:posts]) | ||
end | ||
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def test_fields_included | ||
fields = [:title, { comments: [:body] }] | ||
hash = serializable(@post, adapter: :json, include: [:comments], fields: fields).serializable_hash | ||
expected = [{ body: @comment1.body }, { body: @comment2.body }] | ||
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assert_equal(expected, hash[:posts][:comments]) | ||
end | ||
end | ||
end | ||
end | ||
end |