Move base mapper methods into Base module so plugins can easily
extend the mapper
This commit is contained in:
parent
e86a82c52c
commit
81d7227c9b
@ -1,6 +1,249 @@
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module ActionDispatch
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module Routing
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class Mapper
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class Constraints
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def new(app, constraints = [])
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if constraints.any?
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super(app, constraints)
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else
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app
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end
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end
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def initialize(app, constraints = [])
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@app, @constraints = app, constraints
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end
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def call(env)
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req = Rack::Request.new(env)
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@constraints.each { |constraint|
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if constraint.respond_to?(:matches?) && !constraint.matches?(req)
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return [417, {}, []]
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elsif constraint.respond_to?(:call) && !constraint.call(req)
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return [417, {}, []]
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end
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}
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@app.call(env)
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end
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end
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module Base
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def initialize(set)
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@set = set
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end
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def root(options = {})
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match '/', options.merge(:as => :root)
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end
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def match(*args)
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options = args.extract_options!
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if args.length > 1
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args.each { |path| match(path, options.reverse_merge(:as => path.to_sym)) }
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return self
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end
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if args.first.is_a?(Symbol)
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return match(args.first.to_s, options.merge(:to => args.first.to_sym))
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end
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path = args.first
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conditions, defaults = {}, {}
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path = nil if path == ""
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path = Rack::Mount::Utils.normalize_path(path) if path
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path = "#{@scope[:path]}#{path}" if @scope[:path]
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raise ArgumentError, "path is required" unless path
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constraints = options[:constraints] || {}
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unless constraints.is_a?(Hash)
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block, constraints = constraints, {}
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end
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blocks = ((@scope[:blocks] || []) + [block]).compact
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constraints = (@scope[:constraints] || {}).merge(constraints)
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options.each { |k, v| constraints[k] = v if v.is_a?(Regexp) }
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conditions[:path_info] = path
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requirements = constraints.dup
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path_regexp = Rack::Mount::Strexp.compile(path, constraints, SEPARATORS)
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segment_keys = Rack::Mount::RegexpWithNamedGroups.new(path_regexp).names
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constraints.reject! { |k, v| segment_keys.include?(k.to_s) }
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conditions.merge!(constraints)
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requirements[:controller] ||= @set.controller_constraints
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if via = options[:via]
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via = Array(via).map { |m| m.to_s.upcase }
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conditions[:request_method] = Regexp.union(*via)
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end
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defaults[:controller] ||= @scope[:controller].to_s if @scope[:controller]
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app = initialize_app_endpoint(options, defaults)
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validate_defaults!(app, defaults, segment_keys)
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app = Constraints.new(app, blocks)
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@set.add_route(app, conditions, requirements, defaults, options[:as])
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self
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end
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private
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def initialize_app_endpoint(options, defaults)
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app = nil
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if options[:to].respond_to?(:call)
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app = options[:to]
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defaults.delete(:controller)
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defaults.delete(:action)
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elsif options[:to].is_a?(String)
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defaults[:controller], defaults[:action] = options[:to].split('#')
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elsif options[:to].is_a?(Symbol)
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defaults[:action] = options[:to].to_s
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end
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app || Routing::RouteSet::Dispatcher.new(:defaults => defaults)
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end
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def validate_defaults!(app, defaults, segment_keys)
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return unless app.is_a?(Routing::RouteSet::Dispatcher)
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unless defaults.include?(:controller) || segment_keys.include?("controller")
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raise ArgumentError, "missing :controller"
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end
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unless defaults.include?(:action) || segment_keys.include?("action")
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raise ArgumentError, "missing :action"
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end
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end
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end
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module HttpHelpers
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def get(*args, &block)
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map_method(:get, *args, &block)
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end
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def post(*args, &block)
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map_method(:post, *args, &block)
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end
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def put(*args, &block)
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map_method(:put, *args, &block)
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end
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def delete(*args, &block)
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map_method(:delete, *args, &block)
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end
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def redirect(path, options = {})
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status = options[:status] || 301
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lambda { |env|
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req = Rack::Request.new(env)
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url = req.scheme + '://' + req.host + path
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[status, {'Location' => url, 'Content-Type' => 'text/html'}, ['Moved Permanently']]
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}
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end
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private
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def map_method(method, *args, &block)
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options = args.extract_options!
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options[:via] = method
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args.push(options)
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match(*args, &block)
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self
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end
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end
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module Scoping
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def initialize(*args)
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@scope = {}
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super
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end
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def scope(*args)
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options = args.extract_options!
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case args.first
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when String
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options[:path] = args.first
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when Symbol
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options[:controller] = args.first
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end
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if path = options.delete(:path)
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path_set = true
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path, @scope[:path] = @scope[:path], "#{@scope[:path]}#{Rack::Mount::Utils.normalize_path(path)}"
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else
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path_set = false
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end
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if name_prefix = options.delete(:name_prefix)
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name_prefix_set = true
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name_prefix, @scope[:name_prefix] = @scope[:name_prefix], (@scope[:name_prefix] ? "#{@scope[:name_prefix]}#{name_prefix}" : name_prefix)
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else
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name_prefix_set = false
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end
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if controller = options.delete(:controller)
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controller_set = true
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controller, @scope[:controller] = @scope[:controller], controller
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else
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controller_set = false
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end
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constraints = options.delete(:constraints) || {}
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unless constraints.is_a?(Hash)
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block, constraints = constraints, {}
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end
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constraints, @scope[:constraints] = @scope[:constraints], (@scope[:constraints] || {}).merge(constraints)
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blocks, @scope[:blocks] = @scope[:blocks], (@scope[:blocks] || []) + [block]
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options, @scope[:options] = @scope[:options], (@scope[:options] || {}).merge(options)
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yield
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self
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ensure
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@scope[:path] = path if path_set
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@scope[:name_prefix] = name_prefix if name_prefix_set
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@scope[:controller] = controller if controller_set
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@scope[:options] = options
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@scope[:blocks] = blocks
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@scope[:constraints] = constraints
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end
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def controller(controller)
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scope(controller.to_sym) { yield }
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end
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def namespace(path)
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scope(path.to_s) { yield }
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end
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def constraints(constraints = {})
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scope(:constraints => constraints) { yield }
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end
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def match(*args)
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options = args.extract_options!
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options = (@scope[:options] || {}).merge(options)
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if @scope[:name_prefix]
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options[:as] = "#{@scope[:name_prefix]}#{options[:as]}"
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end
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args.push(options)
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super(*args)
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end
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end
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module Resources
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class Resource #:nodoc:
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attr_reader :plural, :singular
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@ -185,251 +428,10 @@ def with_scope_level(kind, resource = parent_resource)
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end
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end
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module Scoping
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def self.extended(object)
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object.instance_eval do
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@scope = {}
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end
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end
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def scope(*args)
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options = args.extract_options!
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case args.first
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when String
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options[:path] = args.first
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when Symbol
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options[:controller] = args.first
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end
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if path = options.delete(:path)
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path_set = true
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path, @scope[:path] = @scope[:path], "#{@scope[:path]}#{Rack::Mount::Utils.normalize_path(path)}"
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else
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path_set = false
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end
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if name_prefix = options.delete(:name_prefix)
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name_prefix_set = true
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name_prefix, @scope[:name_prefix] = @scope[:name_prefix], (@scope[:name_prefix] ? "#{@scope[:name_prefix]}#{name_prefix}" : name_prefix)
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else
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name_prefix_set = false
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end
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if controller = options.delete(:controller)
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controller_set = true
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controller, @scope[:controller] = @scope[:controller], controller
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else
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controller_set = false
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end
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constraints = options.delete(:constraints) || {}
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unless constraints.is_a?(Hash)
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block, constraints = constraints, {}
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end
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constraints, @scope[:constraints] = @scope[:constraints], (@scope[:constraints] || {}).merge(constraints)
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blocks, @scope[:blocks] = @scope[:blocks], (@scope[:blocks] || []) + [block]
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options, @scope[:options] = @scope[:options], (@scope[:options] || {}).merge(options)
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yield
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self
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ensure
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@scope[:path] = path if path_set
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@scope[:name_prefix] = name_prefix if name_prefix_set
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@scope[:controller] = controller if controller_set
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@scope[:options] = options
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@scope[:blocks] = blocks
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@scope[:constraints] = constraints
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end
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def controller(controller)
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scope(controller.to_sym) { yield }
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end
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def namespace(path)
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scope(path.to_s) { yield }
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end
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def constraints(constraints = {})
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scope(:constraints => constraints) { yield }
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end
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def match(*args)
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options = args.extract_options!
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options = (@scope[:options] || {}).merge(options)
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if @scope[:name_prefix]
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options[:as] = "#{@scope[:name_prefix]}#{options[:as]}"
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end
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args.push(options)
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super(*args)
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end
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end
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module HttpHelpers
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def get(*args, &block)
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map_method(:get, *args, &block)
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end
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def post(*args, &block)
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map_method(:post, *args, &block)
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end
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def put(*args, &block)
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map_method(:put, *args, &block)
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end
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def delete(*args, &block)
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map_method(:delete, *args, &block)
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end
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def redirect(path, options = {})
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status = options[:status] || 301
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lambda { |env|
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req = Rack::Request.new(env)
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url = req.scheme + '://' + req.host + path
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[status, {'Location' => url, 'Content-Type' => 'text/html'}, ['Moved Permanently']]
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}
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end
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private
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def map_method(method, *args, &block)
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options = args.extract_options!
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options[:via] = method
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args.push(options)
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match(*args, &block)
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self
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end
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end
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class Constraints
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def new(app, constraints = [])
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if constraints.any?
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super(app, constraints)
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else
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app
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end
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end
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def initialize(app, constraints = [])
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@app, @constraints = app, constraints
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end
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def call(env)
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req = Rack::Request.new(env)
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@constraints.each { |constraint|
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if constraint.respond_to?(:matches?) && !constraint.matches?(req)
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return [417, {}, []]
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elsif constraint.respond_to?(:call) && !constraint.call(req)
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return [417, {}, []]
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end
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}
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@app.call(env)
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end
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end
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def initialize(set)
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@set = set
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extend HttpHelpers
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extend Scoping
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extend Resources
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end
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def root(options = {})
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match '/', options.merge(:as => :root)
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end
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def match(*args)
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options = args.extract_options!
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if args.length > 1
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args.each { |path| match(path, options.reverse_merge(:as => path.to_sym)) }
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return self
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end
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if args.first.is_a?(Symbol)
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return match(args.first.to_s, options.merge(:to => args.first.to_sym))
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end
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path = args.first
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conditions, defaults = {}, {}
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path = nil if path == ""
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path = Rack::Mount::Utils.normalize_path(path) if path
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path = "#{@scope[:path]}#{path}" if @scope[:path]
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raise ArgumentError, "path is required" unless path
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constraints = options[:constraints] || {}
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unless constraints.is_a?(Hash)
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block, constraints = constraints, {}
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end
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blocks = ((@scope[:blocks] || []) + [block]).compact
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constraints = (@scope[:constraints] || {}).merge(constraints)
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options.each { |k, v| constraints[k] = v if v.is_a?(Regexp) }
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conditions[:path_info] = path
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requirements = constraints.dup
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path_regexp = Rack::Mount::Strexp.compile(path, constraints, SEPARATORS)
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segment_keys = Rack::Mount::RegexpWithNamedGroups.new(path_regexp).names
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constraints.reject! { |k, v| segment_keys.include?(k.to_s) }
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conditions.merge!(constraints)
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requirements[:controller] ||= @set.controller_constraints
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if via = options[:via]
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via = Array(via).map { |m| m.to_s.upcase }
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conditions[:request_method] = Regexp.union(*via)
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end
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defaults[:controller] ||= @scope[:controller].to_s if @scope[:controller]
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app = initialize_app_endpoint(options, defaults)
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validate_defaults!(app, defaults, segment_keys)
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app = Constraints.new(app, blocks)
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@set.add_route(app, conditions, requirements, defaults, options[:as])
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self
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end
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private
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def initialize_app_endpoint(options, defaults)
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app = nil
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if options[:to].respond_to?(:call)
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app = options[:to]
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defaults.delete(:controller)
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defaults.delete(:action)
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elsif options[:to].is_a?(String)
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defaults[:controller], defaults[:action] = options[:to].split('#')
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elsif options[:to].is_a?(Symbol)
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defaults[:action] = options[:to].to_s
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end
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app || Routing::RouteSet::Dispatcher.new(:defaults => defaults)
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end
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def validate_defaults!(app, defaults, segment_keys)
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return unless app.is_a?(Routing::RouteSet::Dispatcher)
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unless defaults.include?(:controller) || segment_keys.include?("controller")
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raise ArgumentError, "missing :controller"
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end
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unless defaults.include?(:action) || segment_keys.include?("action")
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raise ArgumentError, "missing :action"
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end
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end
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include Base
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include HttpHelpers
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include Scoping
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include Resources
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end
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end
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end
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