105 lines
2.0 KiB
Ruby
105 lines
2.0 KiB
Ruby
module Fog
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class Collection < Array
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def self.attribute(name, other_names = [])
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class_eval <<-EOS, __FILE__, __LINE__
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attr_accessor :#{name}
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EOS
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attributes << name
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for other_name in [*other_names]
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aliases[other_name] = name
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end
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end
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def self.model(new_model)
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@model = new_model
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end
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def self.aliases
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@aliases ||= {}
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end
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def self.attributes
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@attributes ||= []
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end
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def attributes
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attributes = {}
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for attribute in self.class.attributes
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attributes[attribute] = send("#{attribute}")
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end
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attributes
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end
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def create(attributes = {})
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object = new(attributes)
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object.save
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object
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end
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def initialize(attributes = {})
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merge_attributes(attributes)
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end
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def inspect
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data = "#<#{self.class.name}"
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for attribute in self.class.attributes
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data << " #{attribute}=#{send(attribute).inspect}"
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end
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data << " ["
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for member in self
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data << "#{member.inspect},"
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end
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data.chop! unless self.empty?
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data << "]>"
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end
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def model
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self.class.instance_variable_get('@model')
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end
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def merge_attributes(new_attributes = {})
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for key, value in new_attributes
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if aliased_key = self.class.aliases[key]
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send("#{aliased_key}=", value)
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else
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send("#{key}=", value)
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end
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end
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self
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end
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def new(attributes = {})
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model.new(
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attributes.merge!(
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:collection => self,
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:connection => connection
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)
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)
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end
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def reload
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self.clear.concat(all)
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end
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private
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def connection=(new_connection)
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@connection = new_connection
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end
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def connection
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@connection
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end
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def remap_attributes(attributes, mapping)
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for key, value in mapping
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if attributes.key?(key)
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attributes[value] = attributes.delete(key)
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end
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end
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end
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end
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end
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