feat: переработка NetwrokMessage и EventMapper

This commit is contained in:
2026-08-25 01:50:45 +03:00
parent b1132715e1
commit 4533789432
+28 -34
View File
@@ -1,7 +1,8 @@
import json
import logging
from dataclasses import asdict, dataclass, field
from enum import StrEnum, auto
from typing import Any
from typing import Any, Optional
from uuid_extensions import uuid7str
@@ -16,6 +17,8 @@ from ..state_machines.session.events import (
SetterMoveEvent,
)
logger = logging.getLogger(__name__)
class SessionMessageKind(StrEnum):
PLAYER_HELLO = auto()
@@ -42,6 +45,14 @@ KIND_TO_EVENT_MAP = {
}
def serializer(obj: Any) -> Any:
if isinstance(obj, StrEnum):
return obj.value
raise TypeError(
f"Object of type {type(obj).__name__} is not JSON serializable"
)
@dataclass(frozen=True)
class NetworkMessage:
kind: NetworkMessageKind
@@ -50,17 +61,22 @@ class NetworkMessage:
@classmethod
def from_json(cls, json_str: str) -> "NetworkMessage":
try:
data = json.loads(json_str)
return cls(
kind=NetworkMessageKind(data["kind"]),
payload=data.get("payload", {}),
id=data["id"],
)
except (KeyError, ValueError, json.JSONDecodeError) as err:
logger.error(
"Failed to deserialize NetworkMessage from JSON: %s", err
)
raise
def to_json(self) -> str:
data = asdict(self)
data["kind"] = self.kind.value
return json.dumps(data, ensure_ascii=False)
data = {"kind": self.kind.value, "payload": self.payload, "id": self.id}
return json.dumps(data, ensure_ascii=False, default=serializer)
class EventMapper:
@@ -70,9 +86,14 @@ class EventMapper:
kind = EVENT_TO_KIND_MAP.get(event_type)
if not kind:
raise ValueError(f"Event {event_type} not registered")
logger.error(
"Attempted to serialize unregistered event: %s", event_type
)
raise ValueError(
f"Event {event_type} is not registered in EVENT_TO_KIND_MAP"
)
return NetworkMessage(kind=kind, payload=asdict(event))
return NetworkMessage(kind=kind, payload=event.to_payload())
@staticmethod
def from_message(message: NetworkMessage) -> Event | None:
@@ -82,33 +103,6 @@ class EventMapper:
return None
try:
payload = message.payload
player = Player(
name=payload["player"]["name"],
role=PlayerRole(payload["player"]["role"]),
)
match message.kind:
case NetworkMessageKind.PLAYER_HELLO:
return PlayerHelloEvent(player=player)
case NetworkMessageKind.SETTER_MOVED:
return SetterMoveEvent(
player=player,
direction=ArrowDirection(payload["direction"]),
)
case NetworkMessageKind.GUESSER_MOVED:
return GuesserMoveEvent(
player=player,
direction=ArrowDirection(payload["direction"]),
)
case NetworkMessageKind.SECRET_REVEALED:
return RevealSecretEvent(
player=player,
direction=ArrowDirection(payload["direction"]),
)
case NetworkMessageKind.NEXT_STEP_REQUESTED:
return NextStepRequestedEvent(player=player)
return event_cls.from_payload(message.payload)
except (KeyError, ValueError, TypeError):
return None