Class: Wouter

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

Defined Under Namespace

Classes: Endpoint, Request, Response

Class Method Summary collapse

Class Method Details

.call(env) ⇒ Object

Rack API



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# File 'lib/wouter.rb', line 68

def self.call(env)
  request = Request.new(env)

  route_params = {}

  route = routes.find do |route|
    if route[:method] == request.request_method.to_sym
      if route[:path].include?(":")
        split_path = route[:path].split("/")
        # Find all the named parameters in the route, drop the ":" so we have the names: ":id" => "id"
        route_param_names = split_path.find_all { |s| s.size > 1 ? s[0] == ":" : false }.map { |s| s[1..-1] }
        # Turn the route into a regex: "/hello/:name" => "\/hello\/(\w*)"
        path_regex_string = split_path.map { |s| s[0] == ":" ? "(\\w*)" : s }.join("\/")
        r = Regexp.new(path_regex_string)
        if r.match?(request.path)
          match_data = r.match(request.path)
          # Match the match data with the named params, ex { "id" => 123 }
          route_param_names.each_with_index do |n, i|
            route_params[n] = match_data[i+1]
          end
          true
        else
          false
        end
      else
        route[:path] == request.path
      end
    end
  end

  if route
    route_params.each do |k, v|
      request.update_param(k, v)
    end

    response = Response.new

    rack_response = route[:route_class].new.call(request, response)
    rack_response.finish
  else
    not_found.finish
  end
end

.not_found ⇒ Object

Helpers



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# File 'lib/wouter.rb', line 114

def self.not_found
  resp = Response.new
  resp.status = 404
  resp.write "Not Found"
  resp
end

.routes ⇒ Object

Internal Data



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# File 'lib/wouter.rb', line 48

def self.routes
  @routes ||= []
end