Contents

# This gear is originally from filtering_camping gem by judofyr, and techarc.
module Gear
	module Filters
		module ClassMethods
			def filters
				@_filters ||= {:before => [], :after => []}
			end

			def before(actions, &blk)
				actions = [actions] unless actions.is_a?(Array)
				actions.each do |action|
					filters[:before] << [action, blk]
				end
			end

			def after(actions, &blk)
				actions = [actions] unless actions.is_a?(Array)
				actions.each do |action|
					filters[:after] << [action, blk]
				end
			end
		end

		def self.included(mod)
			mod.extend(ClassMethods)
		end

		def self.setup(app, *a, &block) end

		def run_filters(type)
			o = self.class.to_s.split("::")
			filters = Object.const_get(o.first).filters
			filters[type].each do |filter|
				if (filter[0].is_a?(Symbol) && (filter[0] == o.last.to_sym || filter[0] == :all)) ||
				 	(filter[0].is_a?(String) && /^#{filter[0]}\/?$/ =~ @env.REQUEST_URI)
				 	self.instance_eval(&filter[1])
				end
			end
		end

		def service(*a)
			run_filters(:before)
			super(*a)
			run_filters(:after)
			self
		end
	end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
camping-3.0.2	lib/camping/gear/filters.rb
camping-3.0.1	lib/camping/gear/filters.rb
camping-3.0.0	lib/camping/gear/filters.rb