42 lines
1.3 KiB
Ruby
42 lines
1.3 KiB
Ruby
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require "action_dispatch/http/mime_type"
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module AbstractController
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module Collector
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def self.generate_method_for_mime(mime)
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sym = mime.is_a?(Symbol) ? mime : mime.to_sym
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class_eval <<-RUBY, __FILE__, __LINE__ + 1
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def #{sym}(*args, &block)
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custom(Mime[:#{sym}], *args, &block)
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end
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RUBY
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end
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Mime::SET.each do |mime|
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generate_method_for_mime(mime)
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end
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Mime::Type.register_callback do |mime|
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generate_method_for_mime(mime) unless instance_methods.include?(mime.to_sym)
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end
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private
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def method_missing(symbol, &block)
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unless mime_constant = Mime[symbol]
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raise NoMethodError, "To respond to a custom format, register it as a MIME type first: " \
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"http://guides.rubyonrails.org/action_controller_overview.html#restful-downloads. " \
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"If you meant to respond to a variant like :tablet or :phone, not a custom format, " \
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"be sure to nest your variant response within a format response: " \
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"format.html { |html| html.tablet { ... } }"
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end
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if Mime::SET.include?(mime_constant)
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AbstractController::Collector.generate_method_for_mime(mime_constant)
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send(symbol, &block)
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else
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super
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end
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end
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end
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end
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