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Allow attribute aliasing

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This commit is contained in:
Yehuda Katz
2011-12-07 14:35:07 -08:00
parent 7dd3bdaca9
commit 57ef67dcb4
2 changed files with 34 additions and 6 deletions
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20
lib/active_model/serializer.rb
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@@ -103,7 +103,7 @@ module ActiveModel
end
class_attribute :_attributes
self._attributes = Set.new
self._attributes = {}
class_attribute :_associations
self._associations = []
@@ -116,7 +116,15 @@ module ActiveModel
class << self
# Define attributes to be used in the serialization.
def attributes(*attrs)
self._attributes += attrs
self._attributes = _attributes.dup
attrs.each do |attr|
self._attributes[attr] = attr
end
end
def attribute(attr, options={})
self._attributes = _attributes.merge(attr => options[:key] || attr)
end
def associate(klass, attrs) #:nodoc:
@@ -192,9 +200,9 @@ module ActiveModel
klass = model_class
columns = klass.columns_hash
attrs = _attributes.inject({}) do |hash, name|
attrs = _attributes.inject({}) do |hash, (name,key)|
column = columns[name]
hash.merge name => column[:type]
hash.merge key => column[:type]
end
associations = _associations.inject({}) do |hash, association|
@@ -299,8 +307,8 @@ module ActiveModel
def attributes
hash = {}
_attributes.each do |name|
hash[name] = @object.read_attribute_for_serialization(name)
_attributes.each do |name,key|
hash[key] = @object.read_attribute_for_serialization(name)
end
hash