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Messenger/app/realtime/schemas.py
benya f6ad480973
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feat: add message reliability foundation
- implement idempotent message creation via client_message_id

- add persistent delivered/read receipts

- expose /messages/status and wire websocket receipt events

- update web client to send client ids and auto-ack delivered/read
2026-03-07 23:57:35 +03:00

50 lines
1.1 KiB
Python

from datetime import datetime
from typing import Any, Literal
from pydantic import BaseModel, ConfigDict, Field
from app.messages.models import MessageType
RealtimeEventName = Literal[
"connect",
"disconnect",
"send_message",
"receive_message",
"typing_start",
"typing_stop",
"message_read",
"message_delivered",
"error",
]
class SendMessagePayload(BaseModel):
chat_id: int
type: MessageType = MessageType.TEXT
text: str | None = Field(default=None, max_length=4096)
temp_id: str | None = None
client_message_id: str | None = Field(default=None, min_length=8, max_length=64)
class ChatEventPayload(BaseModel):
chat_id: int
class MessageStatusPayload(BaseModel):
chat_id: int
message_id: int
class IncomingRealtimeEvent(BaseModel):
event: Literal["send_message", "typing_start", "typing_stop", "message_read", "message_delivered"]
payload: dict[str, Any]
class OutgoingRealtimeEvent(BaseModel):
model_config = ConfigDict(from_attributes=True)
event: RealtimeEventName
payload: dict[str, Any]
timestamp: datetime