Class: Doozer::Routing::Routes

Inherits:
Object
  • Object
show all
Defined in:
lib/doozer/route.rb

Overview

Route manager for drawing and adding routes.

Constant Summary collapse

@@parts =

stored as [route.name, route.path]

[]
@@dict =

route hash

{}
@@cache =

lookup for matches

{}
@@magics =

hold raw magic routes before processing

[]
@@inner_apps =

holds the app dedicated to processing this path

{}

Class Method Summary collapse

Class Method Details

.add(name = nil, path = nil, args = nil) ⇒ Object

An empty path defaults to a path of ‘/’



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# File 'lib/doozer/route.rb', line 34

def self.add(name=nil, path=nil, args=nil)
  # p name
  # p path
  # p args.inspect
  if not name.nil? and not path.nil? and not args.nil?
    args = Routes::init_formats(args)
    formats = args[:formats]
    # p formats.inspect
    for format in formats
      args.delete(:formats)
      if name != :magic
        path = '/' if path == ''
        
        raise Doozer::Exceptions::Route.new("Route name must be a symbol. #{name} given.") if not name.kind_of? Symbol
        raise Doozer::Exceptions::Route.new("Route already exists with the name of #{name}.") if @@dict[name]
        @@parts.each { |p| raise Doozer::Exceptions::Route.new("Route already defined with a path of '#{path}'") if p[1] == path }
        parts = [name, path, args]
        # p parts.inspect
        args[:format] = format
        route = Doozer::Routing::Route.new(parts)
        # p route.inspect
        @@parts.push([route.name, route.path])
        @@dict[route.name] = route
      else
        p "magic routes init turned off"
        # Routes.magic(parts)
      end
    end
  end
end

.cache_request_path(route, path) ⇒ Object

caches the request path and with the route.name



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# File 'lib/doozer/route.rb', line 97

def self.cache_request_path(route,path)
  # p "route cache request path"
  @@cache[path] = route.name
end

.draw(&block) ⇒ Object 



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# File 'lib/doozer/route.rb', line 16

def self.draw(&block)
  # p "draw routes"
  instance_eval(&block) if block_given?

  # init magic routes :conrtoller/:action or just /:action with predefined :controller
  # Routes.init_magic_routes
  
  Routes.init_view_helpers
  
  # sort routes here
  @@parts.sort! do |a, b| a[1].length <=> b[1].length end
  @@parts.reverse!
  puts "=> Routes drawn and sorted"
  # @@parts.each { | i | p i[1] }
end

.get_by_name(name) ⇒ Object

return a route by name



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# File 'lib/doozer/route.rb', line 75

def self.get_by_name(name)
  # p @@dict.inspect
  return @@dict[name]
end

.init_formats(args) ⇒ Object

sets up default formats to initialize a mapped route



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# File 'lib/doozer/route.rb', line 66

def self.init_formats(args)
  formats = args[:formats]
  formats = [] if formats.nil?
  formats.push(:html) if not formats.include?(:html)
  args[:formats] = formats
  return args
end

.init_magic_routes ⇒ Object 



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# File 'lib/doozer/route.rb', line 106

def self.init_magic_routes
    @@controllers={}
    controller_files = Dir.glob(File.join(File.dirname(__FILE__),'../app/controllers/*_controller.rb'))
    
    if controller_files.length > 0
      i=0
      for f in controller_files
        break if i==0 and f.index('application_controller.rb')
        if f.index('application_controller.rb')
          controller_files.insert(0, controller_files.delete(f))
          break
        end
        i+=1
      end
    end
    
    controller_files.each {|f|
      require f
      key = f.split("controllers/")[1].split("_controller.rb")[0]
      if key.index("_")
        value = key.split('_').each{ | k | k.capitalize! }.join('') 
      else
        value = key.capitalize
      end
      @@controllers[key.to_sym] = "#{value}Controller"
      # p "cache controller: #{key.to_sym}"
    }
    # p @@controllers.inspect
    # grab all controllers
    routes = []
    dup_lu = {}
    obj = Doozer::Controller
    obj.public_instance_methods.each { | name | dup_lu[name]=''}
    # p dup_lu.inspect
    
    @@magics.each { | route |
      path = route[1]
      if path.index(':controller') and path.index(':action')
        ## loop all controller and then loop all #methods
        @@controllers.each{ |key,value | 
          klass = Object.const_get(value)
          methods = klass.public_instance_methods()
          methods.push('index')
          methods.uniq! # filter duplicate indexes
          methods.each { | val | 
            if dup_lu[val].nil?
              controller= route[2][:controller] || key.to_s
              action = route[2][:action] || val
              # p "#{controller}##{action}"
              name = "#{controller}_#{action}".to_sym
              new_path = path.gsub(/:controller/, controller).gsub(/:action/,action)
              new_path = new_path.gsub(/\/index/) if new_path.endswith('/index')
              new_path = "/#{new_path}" if not new_path =~ /^\//
              add([name, new_path, {:controller=>controller, :action=>action, :status=>200, :formats=>route[2][:formats]}])
            end
          }
        }
      elsif path.index(':action') and not route[2][:controller].nil?
        ## loop all methods on this controller
        #p "load route controller:" + @@controllers[route[2][:controller].to_sym].inspect
        controller= route[2][:controller]

        klass = Object.const_get(@@controllers[controller.to_sym])
        methods = klass.public_instance_methods()
        methods.push('index')
        methods.uniq! # filter duplicate indexes
        methods.each { | val | 
          if dup_lu[val].nil?
            action = val
            # p "#{controller}##{action}"
            name = "#{controller}_#{action}".to_sym
            new_path = path.gsub(/:action/,action)
            new_path = new_path.gsub(/\/index/,'') if new_path =~ /\/index/
            new_path = "/#{new_path}" if not new_path =~ /^\//
            
            # p [name, new_path, {:controller=>controller, :action=>action, :status=>200}].inspect
            add([name, new_path, {:controller=>controller, :action=>action, :status=>200, :formats=>route[2][:formats]}])
          end
        }
      end
    }
    
    ## make sure to route index to '/'
    ## loop route/methods pairs
    # save new path for action controller
end

.init_view_helpers ⇒ Object 



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# File 'lib/doozer/route.rb', line 193

def self.init_view_helpers
  for k, route in @@dict
    Doozer::ViewHelpers.module_eval(route.url_helper_method)
  end
end

.magic(route) ⇒ Object 



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# File 'lib/doozer/route.rb', line 102

def self.magic(route)
  @@magics.push(route)
end

.match(path) ⇒ Object

return the route which matches the request path



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# File 'lib/doozer/route.rb', line 81

def self.match(path)
    # p path
    # p @@cache.inspect
    # return @@dict[@@cache[path]] if @@cache[path]
    for part in @@parts
      route = @@dict[part[0]]
      # p route.inspect
      if route.match(path)
        # Routes.cache_request_path(route, path)
        return route
      end
    end
    return nil
end