godoria/EuphRoom/EuphPacket.gd
2024-02-06 00:58:35 +01:00

123 lines
2.8 KiB
GDScript

class_name EuphPacket
static var _last_id := 0
#region Fields
## Client-generated id for associating replies with commands.
## Optional.
var id
## The name of the command, reply, or event.
var type: String
## The payload of the command, reply, or event.
var data: Dictionary
## This field appears in replies if a command fails.
## Optional.
var error
## This field appears in replies to warn the client that it may be flooding.
## The client should slow down its command rate.
var throttled: bool
## If throttled is true, this field describes why.
## Optional.
var throttled_reason
#endregion
@warning_ignore("shadowed_variable")
func _init(type: String, data: Dictionary = {}):
self.type = type
self.data = data
## Generate a unique id if one is not already present.
func gen_id():
if id != null: return
id = str(_last_id)
_last_id += 1
#region Parse
## Returns null if packet could not be parsed.
static func parse_dict(dict: Dictionary) -> EuphPacket:
var packet = EuphPacket.new("placeholder")
packet.id = dict.get("id")
if not (packet.id == null or typeof(packet.id) == TYPE_STRING):
push_error("packet.id must be null or a string")
return null
packet.type = dict["type"]
if typeof(packet.type) != TYPE_STRING:
push_error("packet.type must be a string")
return null
packet.data = dict.get("data", {})
if typeof(packet.data) != TYPE_DICTIONARY:
push_error("packet.data must be a json object")
return null
packet.error = dict.get("error")
if not (packet.error == null or typeof(packet.error) == TYPE_STRING):
push_error("packet.error must be null or a string")
return null
packet.throttled = dict.get("throttled", false)
if typeof(packet.throttled) != TYPE_BOOL:
push_error("packet.throttled must be a bool")
return null
packet.throttled_reason = dict.get("throttled_reason")
if not (packet.throttled_reason == null or typeof(packet.throttled_reason) == TYPE_STRING):
push_error("packet.throttled_reason must be null or a string")
return null
return packet
## Returns null if packet could not be parsed.
static func parse_json_string(json_string: String) -> EuphPacket:
var packet: Variant = JSON.parse_string(json_string)
if packet == null:
push_error("packet must be valid json")
return null
if typeof(packet) != TYPE_DICTIONARY:
push_error("packet must be a json object")
return null
return parse_dict(packet)
#endregion
#region Format
func dictify() -> Dictionary:
var packet := {}
if id != null:
packet["id"] = id
packet["type"] = type
if data:
packet["data"] = data
if error != null:
packet["error"] = error
if throttled:
packet["throttled"] = throttled
if throttled_reason != null:
packet["throttled_reason"] = throttled_reason
return packet
func json_stringify() -> String:
return JSON.stringify(dictify())
#endregion