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require_relative 'request/accept'
require_relative 'request/client'
require_relative 'request/parameter'
require_relative 'request/server'
module Zero
# This class wraps around a rack environment for easier access to all data.
class Request
def self.create(environment)
return environment['zero.request'] if environment.has_key?('zero.request')
new(environment)
end
# create a new request object
def initialize(env)
@env = env
@env['zero.request'] = self
end
# get the environment
# @return [Hash] the environment hash
attr_reader :env
# get the requested path
# @return [String] returns the requested path
def path
@path ||= @env[CONST_PATH_INFO]
end
# return all information about the client
# @return [Client] an information object about the client
def client
@client ||= Request::Client.new(@env)
end
# get the information on the server
# @return [Server] information on the running server
def server
@server ||= Request::Server.new(@env)
end
# get an object representing the parameters of the request
# @return [Parameter] object having all parameters
def params
@params ||= Request::Parameter.new(@env)
end
# return the content type of the request
# TODO change into its own object?
# @return [String] returns the content type of the request
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)
end
# get the method of the request
# @return [Symbol] the symbol representation of the method
def method
@method ||= @env[CONST_REQUEST_METHOD].downcase.to_sym
end
# is the method 'GET'?
# @return [Boolean] true if this is a get request
def get?; method == :get; end
# is the method 'POST'?
# @return [Boolean] true if this is a post request
def post?; method == :post; end
# is the method 'PUT'?
# @return [Boolean] true if this is a put request
def put?; method == :put; end
# is the method 'DELETE'?
# @return [Boolean] true if this is a delete request
def delete?; method == :delete; end
# is the method 'HEAD'?
# @return [Boolean] true if this is a head request
def head?; method == :head; end
# is the method 'PATCH'?
# @return [Boolean] true if this is a patch request
def patch?; method == :patch; end
private
# constant for the content type key
# @api private
CONST_CONTENT_TYPE = 'CONTENT_TYPE'
# constant for the http accept key
# @api private
CONST_HTTP_ACCEPT = 'HTTP_ACCEPT'
# constant for the path info key
# @api private
CONST_PATH_INFO = 'PATH_INFO'
# constant for the request method key
# @api private
CONST_REQUEST_METHOD = 'REQUEST_METHOD'
end
end
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