21 lines
548 B
Ruby
21 lines
548 B
Ruby
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class ApiVersion
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attr_reader :version, :default
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def initialize(version, default = false)
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@version = version
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@default = default
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end
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# check whether version is specified or is default
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def matches?(request)
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check_headers(request.headers) || default
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end
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private
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def check_headers(headers)
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# check version from Accept headers; expect custom media type `todos`
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accept = headers[:accept]
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accept && accept.include?("application/vnd.rails.#{version}+json") # header Accept: application/vnd.rails.v#+json
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end
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end
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