63 lines
1.7 KiB
Ruby
63 lines
1.7 KiB
Ruby
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module CouchRest
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module Mixins
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module DocumentProperties
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def self.included(base)
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base.extend(ClassMethods)
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end
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module ClassMethods
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# Stores the class properties
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def properties
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@@properties ||= []
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end
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# This is not a thread safe operation, if you have to set new properties at runtime
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# make sure to use a mutex.
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def property(name, options={})
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unless properties.map{|p| p.name}.include?(name.to_s)
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property = CouchRest::Property.new(name, options.delete(:type), options)
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create_property_getter(property)
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create_property_setter(property) unless property.read_only == true
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properties << property
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end
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end
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protected
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# defines the getter for the property
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def create_property_getter(property)
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meth = property.name
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class_eval <<-EOS
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def #{meth}
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self['#{meth}']
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end
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EOS
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if property.alias
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class_eval <<-EOS
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alias #{property.alias.to_sym} #{meth.to_sym}
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EOS
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end
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end
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# defines the setter for the property
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def create_property_setter(property)
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meth = property.name
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class_eval <<-EOS
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def #{meth}=(value)
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self['#{meth}'] = value
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end
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EOS
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if property.alias
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class_eval <<-EOS
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alias #{property.alias.to_sym}= #{meth.to_sym}=
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EOS
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end
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end
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end # module ClassMethods
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end
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end
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end
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