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module Versionist
module VersioningStrategy
# Implements the parameter versioning strategy.
class Parameter < Base
# Creates a new Parameter VersioningStrategy object. config must contain the following keys:
# - :parameter the parameter hash to inspect
def initialize(config)
super
raise ArgumentError, "you must specify :name in the :parameter configuration Hash" if !config[:parameter].has_key?(:name)
raise ArgumentError, "you must specify :value in the :parameter configuration Hash" if !config[:parameter].has_key?(:value)
Versionist.configuration.parameter_versions << self if !Versionist.configuration.parameter_versions.include?(self)
end
def matches?(request)
parameter_string = request.params[config[:parameter][:name]].to_s
return !parameter_string.blank? && parameter_string == config[:parameter][:value]
end
def ==(other)
super
return false if !other.is_a?(Versionist::VersioningStrategy::Parameter)
return self.config[:parameter][:name] == other.config[:parameter][:name] && self.config[:parameter][:value] == other.config[:parameter][:value]
end
end
end
end
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