replacement for rack request

This should replace Rack::Request in the hole lib. It seperates
everything worth into its own classes, like parameters and the accept
header till now.

More will follow

1 files changed, 53 insertions, 0 deletions

diff --git a/lib/zero/request.rb b/lib/zero/request.rb
new file mode 100644
index 0000000..48b59d3
--- /dev/null
+++ b/lib/zero/request.rb
@@ -0,0 +1,53 @@
+require_relative 'request/accept'
+require_relative 'request/parameter'
+
+module Zero
+  # This class wraps around a rack environment for easier access to all data.
+  class Request
+    CONST_CONTENT_TYPE   = 'CONTENT_TYPE'
+    CONST_HTTP_ACCEPT    = 'HTTP_ACCEPT'
+    CONST_PATH_INFO      = 'PATH_INFO'
+    CONST_REQUEST_METHOD = 'REQUEST_METHOD'
+
+    # create a new request object
+    def initialize(env)
+      @env = env
+      @method = @env[CONST_REQUEST_METHOD].downcase.to_sym
+    end
+
+    # get the requested path
+    def path
+      @path ||= @env[CONST_PATH_INFO]
+    end
+
+    # returns a set of get and post variables
+    def params
+      @params ||= Request::Parameter.new(@env)
+    end
+
+    # return the content type of the request
+    # TODO change into its own object?
+    def content_type
+      @env[CONST_CONTENT_TYPE] if @env.has_key?(CONST_CONTENT_TYPE)
+    end
+
+    # get the media types
+    # @return Accept on Accept object managing all types and their order
+    def media_types
+      @accept ||= Request::Accept.new(@env[CONST_HTTP_ACCEPT])
+    end
+
+    # is the method 'GET'?
+    def get?;  @method == :get;  end
+    # is the method 'POST'?
+    def post?; @method == :post; end
+    # is the method 'PUT'?
+    def put?;  @method == :put;  end
+    # is the method 'DELETE'?
+    def delete?; @method == :delete; end
+    # is the method 'HEAD'?
+    def head?; @method == :head; end
+    # is the method 'PATCH'?
+    def head?; @method == :patch; end
+  end
+end