49 lines
1.2 KiB
Python
49 lines
1.2 KiB
Python
from sqlalchemy import select
|
|
from sqlalchemy.ext.asyncio import AsyncSession
|
|
|
|
from app.media.models import Attachment
|
|
from app.messages.models import Message
|
|
|
|
|
|
async def create_attachment(
|
|
db: AsyncSession,
|
|
*,
|
|
message_id: int,
|
|
file_url: str,
|
|
file_type: str,
|
|
file_size: int,
|
|
) -> Attachment:
|
|
attachment = Attachment(
|
|
message_id=message_id,
|
|
file_url=file_url,
|
|
file_type=file_type,
|
|
file_size=file_size,
|
|
)
|
|
db.add(attachment)
|
|
await db.flush()
|
|
return attachment
|
|
|
|
|
|
async def get_attachment_by_id(db: AsyncSession, attachment_id: int) -> Attachment | None:
|
|
return await db.get(Attachment, attachment_id)
|
|
|
|
|
|
async def list_chat_attachments(
|
|
db: AsyncSession,
|
|
*,
|
|
chat_id: int,
|
|
limit: int = 100,
|
|
before_id: int | None = None,
|
|
) -> list[tuple[Attachment, Message]]:
|
|
stmt = (
|
|
select(Attachment, Message)
|
|
.join(Message, Message.id == Attachment.message_id)
|
|
.where(Message.chat_id == chat_id)
|
|
.order_by(Attachment.id.desc())
|
|
.limit(limit)
|
|
)
|
|
if before_id is not None:
|
|
stmt = stmt.where(Attachment.id < before_id)
|
|
result = await db.execute(stmt)
|
|
return [(row[0], row[1]) for row in result.all()]
|