kemal/src/kemal/ext/context.cr

63 lines
1.4 KiB
Crystal

# `HTTP::Server::Context` is the class which holds `HTTP::Request` and
# `HTTP::Server::Response` alongside with information such as request params,
# request/response content_type, session data and alike.
#
# Instances of this class are passed to an `HTTP::Server` handler.
class HTTP::Server
class Context
# :nodoc:
STORE_MAPPINGS = [Nil, String, Int32, Int64, Float64, Bool]
macro finished
alias StoreTypes = Union({{ *STORE_MAPPINGS }})
@store = {} of String => StoreTypes
end
def params
@params ||= Kemal::ParamParser.new(@request, route_lookup.params)
end
def redirect(url : String, status_code : Int32 = 302, *, body : String? = nil)
@response.headers.add "Location", url
@response.status_code = status_code
@response.print(body) if body
end
def route
route_lookup.payload
end
def websocket
ws_route_lookup.payload
end
def route_lookup
Kemal::RouteHandler::INSTANCE.lookup_route(@request.method.as(String), @request.path)
end
def route_found?
route_lookup.found?
end
def ws_route_lookup
Kemal::WebSocketHandler::INSTANCE.lookup_ws_route(@request.path)
end
def ws_route_found?
ws_route_lookup.found?
end
def get(name : String)
@store[name]
end
def set(name : String, value : StoreTypes)
@store[name] = value
end
def get?(name : String)
@store[name]?
end
end
end