diff options
Diffstat (limited to 'activemodel/lib/active_model/serializers')
| -rw-r--r-- | activemodel/lib/active_model/serializers/json.rb | 132 | ||||
| -rwxr-xr-x[-rw-r--r--] | activemodel/lib/active_model/serializers/xml.rb | 46 |
2 files changed, 122 insertions, 56 deletions
diff --git a/activemodel/lib/active_model/serializers/json.rb b/activemodel/lib/active_model/serializers/json.rb index 63ab8e7edc..a4252b995d 100644 --- a/activemodel/lib/active_model/serializers/json.rb +++ b/activemodel/lib/active_model/serializers/json.rb @@ -1,5 +1,4 @@ require 'active_support/json' -require 'active_support/core_ext/class/attribute' module ActiveModel # == Active Model JSON Serializer @@ -10,86 +9,89 @@ module ActiveModel included do extend ActiveModel::Naming - extend ActiveModel::Configuration - config_attribute :include_root_in_json - self.include_root_in_json = true + class_attribute :include_root_in_json + self.include_root_in_json = false end # Returns a hash representing the model. Some configuration can be # passed through +options+. # # The option <tt>include_root_in_json</tt> controls the top-level behavior - # of +as_json+. If true (the default) +as_json+ will emit a single root - # node named after the object's type. For example: + # of +as_json+. If +true+, +as_json+ will emit a single root node named + # after the object's type. The default value for <tt>include_root_in_json</tt> + # option is +false+. # # user = User.find(1) # user.as_json - # # => { "user": {"id": 1, "name": "Konata Izumi", "age": 16, - # "created_at": "2006/08/01", "awesome": true} } + # # => { "id" => 1, "name" => "Konata Izumi", "age" => 16, + # # "created_at" => "2006/08/01", "awesome" => true} + # + # ActiveRecord::Base.include_root_in_json = true # - # ActiveRecord::Base.include_root_in_json = false # user.as_json - # # => {"id": 1, "name": "Konata Izumi", "age": 16, - # "created_at": "2006/08/01", "awesome": true} + # # => { "user" => { "id" => 1, "name" => "Konata Izumi", "age" => 16, + # # "created_at" => "2006/08/01", "awesome" => true } } # - # This behavior can also be achieved by setting the <tt>:root</tt> option to +false+ as in: + # This behavior can also be achieved by setting the <tt>:root</tt> option + # to +true+ as in: # # user = User.find(1) - # user.as_json(root: false) - # # => {"id": 1, "name": "Konata Izumi", "age": 16, - # "created_at": "2006/08/01", "awesome": true} - # - # The remainder of the examples in this section assume include_root_in_json is set to - # <tt>false</tt>. + # user.as_json(root: true) + # # => { "user" => { "id" => 1, "name" => "Konata Izumi", "age" => 16, + # # "created_at" => "2006/08/01", "awesome" => true } } # # Without any +options+, the returned Hash will include all the model's - # attributes. For example: + # attributes. # # user = User.find(1) # user.as_json - # # => {"id": 1, "name": "Konata Izumi", "age": 16, - # "created_at": "2006/08/01", "awesome": true} + # # => { "id" => 1, "name" => "Konata Izumi", "age" => 16, + # # "created_at" => "2006/08/01", "awesome" => true} # - # The <tt>:only</tt> and <tt>:except</tt> options can be used to limit the attributes - # included, and work similar to the +attributes+ method. For example: + # The <tt>:only</tt> and <tt>:except</tt> options can be used to limit + # the attributes included, and work similar to the +attributes+ method. # - # user.as_json(:only => [ :id, :name ]) - # # => {"id": 1, "name": "Konata Izumi"} + # user.as_json(only: [:id, :name]) + # # => { "id" => 1, "name" => "Konata Izumi" } # - # user.as_json(:except => [ :id, :created_at, :age ]) - # # => {"name": "Konata Izumi", "awesome": true} + # user.as_json(except: [:id, :created_at, :age]) + # # => { "name" => "Konata Izumi", "awesome" => true } # # To include the result of some method calls on the model use <tt>:methods</tt>: # - # user.as_json(:methods => :permalink) - # # => {"id": 1, "name": "Konata Izumi", "age": 16, - # "created_at": "2006/08/01", "awesome": true, - # "permalink": "1-konata-izumi"} + # user.as_json(methods: :permalink) + # # => { "id" => 1, "name" => "Konata Izumi", "age" => 16, + # # "created_at" => "2006/08/01", "awesome" => true, + # # "permalink" => "1-konata-izumi" } # # To include associations use <tt>:include</tt>: # - # user.as_json(:include => :posts) - # # => {"id": 1, "name": "Konata Izumi", "age": 16, - # "created_at": "2006/08/01", "awesome": true, - # "posts": [{"id": 1, "author_id": 1, "title": "Welcome to the weblog"}, - # {"id": 2, author_id: 1, "title": "So I was thinking"}]} + # user.as_json(include: :posts) + # # => { "id" => 1, "name" => "Konata Izumi", "age" => 16, + # # "created_at" => "2006/08/01", "awesome" => true, + # # "posts" => [ { "id" => 1, "author_id" => 1, "title" => "Welcome to the weblog" }, + # # { "id" => 2, "author_id" => 1, "title" => "So I was thinking" } ] } # # Second level and higher order associations work as well: # - # user.as_json(:include => { :posts => { - # :include => { :comments => { - # :only => :body } }, - # :only => :title } }) - # # => {"id": 1, "name": "Konata Izumi", "age": 16, - # "created_at": "2006/08/01", "awesome": true, - # "posts": [{"comments": [{"body": "1st post!"}, {"body": "Second!"}], - # "title": "Welcome to the weblog"}, - # {"comments": [{"body": "Don't think too hard"}], - # "title": "So I was thinking"}]} + # user.as_json(include: { posts: { + # include: { comments: { + # only: :body } }, + # only: :title } }) + # # => { "id" => 1, "name" => "Konata Izumi", "age" => 16, + # # "created_at" => "2006/08/01", "awesome" => true, + # # "posts" => [ { "comments" => [ { "body" => "1st post!" }, { "body" => "Second!" } ], + # # "title" => "Welcome to the weblog" }, + # # { "comments" => [ { "body" => "Don't think too hard" } ], + # # "title" => "So I was thinking" } ] } def as_json(options = nil) - root = include_root_in_json - root = options[:root] if options.try(:key?, :root) + root = if options && options.key?(:root) + options[:root] + else + include_root_in_json + end + if root root = self.class.model_name.element if root == true { root => serializable_hash(options) } @@ -98,6 +100,40 @@ module ActiveModel end end + # Sets the model +attributes+ from a JSON string. Returns +self+. + # + # class Person + # include ActiveModel::Serializers::JSON + # + # attr_accessor :name, :age, :awesome + # + # def attributes=(hash) + # hash.each do |key, value| + # instance_variable_set("@#{key}", value) + # end + # end + # + # def attributes + # instance_values + # end + # end + # + # json = { name: 'bob', age: 22, awesome:true }.to_json + # person = Person.new + # person.from_json(json) # => #<Person:0x007fec5e7a0088 @age=22, @awesome=true, @name="bob"> + # person.name # => "bob" + # person.age # => 22 + # person.awesome # => true + # + # The default value for +include_root+ is +false+. You can change it to + # +true+ if the given JSON string includes a single root node. + # + # json = { person: { name: 'bob', age: 22, awesome:true } }.to_json + # person = Person.new + # person.from_json(json) # => #<Person:0x007fec5e7a0088 @age=22, @awesome=true, @name="bob"> + # person.name # => "bob" + # person.age # => 22 + # person.awesome # => true def from_json(json, include_root=include_root_in_json) hash = ActiveSupport::JSON.decode(json) hash = hash.values.first if include_root diff --git a/activemodel/lib/active_model/serializers/xml.rb b/activemodel/lib/active_model/serializers/xml.rb index 5084298210..cf742d0569 100644..100755 --- a/activemodel/lib/active_model/serializers/xml.rb +++ b/activemodel/lib/active_model/serializers/xml.rb @@ -110,12 +110,18 @@ module ActiveModel end end - # TODO This can likely be cleaned up to simple use ActiveSupport::XmlMini.to_tag as well. + # TODO: This can likely be cleaned up to simple use ActiveSupport::XmlMini.to_tag as well. def add_associations(association, records, opts) merged_options = opts.merge(options.slice(:builder, :indent)) merged_options[:skip_instruct] = true - if records.is_a?(Enumerable) + [:skip_types, :dasherize, :camelize].each do |key| + merged_options[key] = options[key] if merged_options[key].nil? && !options[key].nil? + end + + if records.respond_to?(:to_ary) + records = records.to_ary + tag = ActiveSupport::XmlMini.rename_key(association.to_s, options) type = options[:skip_types] ? { } : {:type => "array"} association_name = association.to_s.singularize @@ -159,8 +165,8 @@ module ActiveModel # Returns XML representing the model. Configuration can be # passed through +options+. # - # Without any +options+, the returned XML string will include all the model's - # attributes. For example: + # Without any +options+, the returned XML string will include all the + # model's attributes. # # user = User.find(1) # user.to_xml @@ -170,21 +176,45 @@ module ActiveModel # <id type="integer">1</id> # <name>David</name> # <age type="integer">16</age> - # <created-at type="datetime">2011-01-30T22:29:23Z</created-at> + # <created-at type="dateTime">2011-01-30T22:29:23Z</created-at> # </user> # - # The <tt>:only</tt> and <tt>:except</tt> options can be used to limit the attributes - # included, and work similar to the +attributes+ method. + # The <tt>:only</tt> and <tt>:except</tt> options can be used to limit the + # attributes included, and work similar to the +attributes+ method. # # To include the result of some method calls on the model use <tt>:methods</tt>. # # To include associations use <tt>:include</tt>. # - # For further documentation see activerecord/lib/active_record/serializers/xml_serializer.xml. + # For further documentation, see <tt>ActiveRecord::Serialization#to_xml</tt> def to_xml(options = {}, &block) Serializer.new(self, options).serialize(&block) end + # Sets the model +attributes+ from a JSON string. Returns +self+. + # + # class Person + # include ActiveModel::Serializers::Xml + # + # attr_accessor :name, :age, :awesome + # + # def attributes=(hash) + # hash.each do |key, value| + # instance_variable_set("@#{key}", value) + # end + # end + # + # def attributes + # instance_values + # end + # end + # + # xml = { name: 'bob', age: 22, awesome:true }.to_xml + # person = Person.new + # person.from_xml(xml) # => #<Person:0x007fec5e3b3c40 @age=22, @awesome=true, @name="bob"> + # person.name # => "bob" + # person.age # => 22 + # person.awesome # => true def from_xml(xml) self.attributes = Hash.from_xml(xml).values.first self |