Files
banban/mini-program/app/schemas/message.py
2026-03-26 10:34:18 +08:00

62 lines
2.0 KiB
Python

from datetime import datetime
from typing import Any
from pydantic import BaseModel, Field, model_validator
class MessageCreateRequest(BaseModel):
sender_user_id: int = Field(gt=0)
peer_user_id: int = Field(gt=0)
client_msg_id: str = Field(min_length=1, max_length=64)
content_type: int = Field(description="1-text 2-audio 3-image 4-json")
content_text: str | None = Field(default=None)
content_json: dict[str, Any] | None = None
media_file_key: str | None = Field(default=None, max_length=255)
media_duration_ms: int | None = Field(default=None, ge=0)
@model_validator(mode="after")
def validate_message_fields(self) -> "MessageCreateRequest":
if self.sender_user_id == self.peer_user_id:
raise ValueError("sender_user_id and peer_user_id cannot be the same")
if self.content_type not in {1, 2, 3, 4}:
raise ValueError("content_type must be one of 1, 2, 3, 4")
if self.content_type == 1 and not (self.content_text and self.content_text.strip()):
raise ValueError("content_text is required when content_type is 1")
if self.content_type in {2, 3} and not self.media_file_key:
raise ValueError("media_file_key is required when content_type is 2 or 3")
if self.content_type == 4 and self.content_json is None:
raise ValueError("content_json is required when content_type is 4")
return self
class MessageItem(BaseModel):
id: int
conversation_id: int
seq: int
sender_user_id: int | None
role: int
content_type: int
content_text: str | None
content_json: dict[str, Any] | None
media_file_key: str | None
media_duration_ms: int | None
client_msg_id: str | None
created_at: datetime
class MessageCreateResponse(BaseModel):
idempotent: bool
message: MessageItem
class MessageListResponse(BaseModel):
conversation_id: int
has_more: bool
next_cursor_seq: int | None
items: list[MessageItem]