Files
Messenger/app/chats/router.py
benya 90320ffd5d
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feat(moderation): add chat bans list endpoint with admin access checks
2026-03-08 21:21:43 +03:00

405 lines
15 KiB
Python

from fastapi import APIRouter, Depends, status
from sqlalchemy.ext.asyncio import AsyncSession
from app.auth.service import get_current_user
from app.chats.schemas import (
ChatBanRead,
ChatCreateRequest,
ChatDetailRead,
ChatDiscoverRead,
ChatDeleteRequest,
ChatInviteLinkRead,
ChatJoinByInviteRequest,
ChatMemberAddRequest,
ChatMemberRead,
ChatMemberRoleUpdateRequest,
ChatNotificationSettingsRead,
ChatNotificationSettingsUpdate,
ChatPinMessageRequest,
ChatProfileUpdateRequest,
ChatRead,
ChatTitleUpdateRequest,
)
from app.chats import repository as chats_repository
from app.chats.models import ChatMemberRole, ChatType
from app.chats.service import (
add_chat_member_for_user,
ban_chat_member_for_user,
create_chat_for_user,
create_chat_invite_link_for_user,
clear_chat_for_user,
delete_chat_for_user,
discover_public_chats_for_user,
ensure_saved_messages_chat,
get_chat_for_user,
get_chat_notification_settings_for_user,
get_chats_for_user,
join_public_chat_for_user,
join_chat_by_invite_for_user,
leave_chat_for_user,
pin_chat_message_for_user,
remove_chat_member_for_user,
list_chat_bans_for_user,
serialize_chat_for_user,
serialize_chats_for_user,
set_chat_archived_for_user,
set_chat_pinned_for_user,
unban_chat_member_for_user,
update_chat_member_role_for_user,
update_chat_notification_settings_for_user,
update_chat_profile_for_user,
update_chat_title_for_user,
)
from app.database.session import get_db
from app.realtime.service import realtime_gateway
from app.users.models import User
router = APIRouter(prefix="/chats", tags=["chats"])
@router.get("", response_model=list[ChatRead])
async def list_chats(
limit: int = 50,
before_id: int | None = None,
query: str | None = None,
archived: bool = False,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> list[ChatRead]:
chats = await get_chats_for_user(
db,
user_id=current_user.id,
limit=limit,
before_id=before_id,
query=query,
archived=archived,
)
return await serialize_chats_for_user(db, user_id=current_user.id, chats=chats)
@router.get("/saved", response_model=ChatRead)
async def get_saved_messages_chat(
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await ensure_saved_messages_chat(db, user_id=current_user.id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
@router.get("/discover", response_model=list[ChatDiscoverRead])
async def discover_chats(
query: str | None = None,
limit: int = 30,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> list[ChatDiscoverRead]:
return await discover_public_chats_for_user(db, user_id=current_user.id, query=query, limit=limit)
@router.post("", response_model=ChatRead)
async def create_chat(
payload: ChatCreateRequest,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await create_chat_for_user(db, creator_id=current_user.id, payload=payload)
member_user_ids = await chats_repository.list_chat_member_user_ids(db, chat_id=chat.id)
for member_user_id in member_user_ids:
realtime_gateway.add_chat_subscription(chat_id=chat.id, user_id=member_user_id)
await realtime_gateway.publish_chat_updated(chat_id=chat.id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
@router.post("/{chat_id}/join", response_model=ChatRead)
async def join_chat(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await join_public_chat_for_user(db, chat_id=chat_id, user_id=current_user.id)
realtime_gateway.add_chat_subscription(chat_id=chat.id, user_id=current_user.id)
await realtime_gateway.publish_chat_updated(chat_id=chat.id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
@router.get("/{chat_id}", response_model=ChatDetailRead)
async def get_chat(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatDetailRead:
chat, members = await get_chat_for_user(db, chat_id=chat_id, user_id=current_user.id)
base = await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
return ChatDetailRead.model_validate(
{
**base.model_dump(),
"members": members,
}
)
@router.patch("/{chat_id}/title", response_model=ChatRead)
async def update_chat_title(
chat_id: int,
payload: ChatTitleUpdateRequest,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await update_chat_title_for_user(db, chat_id=chat_id, user_id=current_user.id, payload=payload)
await realtime_gateway.publish_chat_updated(chat_id=chat.id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
@router.patch("/{chat_id}/profile", response_model=ChatRead)
async def update_chat_profile(
chat_id: int,
payload: ChatProfileUpdateRequest,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await update_chat_profile_for_user(db, chat_id=chat_id, user_id=current_user.id, payload=payload)
await realtime_gateway.publish_chat_updated(chat_id=chat.id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
@router.get("/{chat_id}/members", response_model=list[ChatMemberRead])
async def list_chat_members(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> list[ChatMemberRead]:
_chat, members = await get_chat_for_user(db, chat_id=chat_id, user_id=current_user.id)
return members
@router.post("/{chat_id}/members", response_model=ChatMemberRead, status_code=status.HTTP_201_CREATED)
async def add_chat_member(
chat_id: int,
payload: ChatMemberAddRequest,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatMemberRead:
member = await add_chat_member_for_user(db, chat_id=chat_id, actor_user_id=current_user.id, target_user_id=payload.user_id)
realtime_gateway.add_chat_subscription(chat_id=chat_id, user_id=payload.user_id)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
return member
@router.patch("/{chat_id}/members/{user_id}/role", response_model=ChatMemberRead)
async def update_chat_member_role(
chat_id: int,
user_id: int,
payload: ChatMemberRoleUpdateRequest,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatMemberRead:
member = await update_chat_member_role_for_user(
db,
chat_id=chat_id,
actor_user_id=current_user.id,
target_user_id=user_id,
role=payload.role,
)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
return member
@router.delete("/{chat_id}/members/{user_id}", status_code=status.HTTP_204_NO_CONTENT)
async def remove_chat_member(
chat_id: int,
user_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> None:
await remove_chat_member_for_user(db, chat_id=chat_id, actor_user_id=current_user.id, target_user_id=user_id)
realtime_gateway.remove_chat_subscription(chat_id=chat_id, user_id=user_id)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
@router.post("/{chat_id}/bans/{user_id}", status_code=status.HTTP_204_NO_CONTENT)
async def ban_chat_member(
chat_id: int,
user_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> None:
await ban_chat_member_for_user(db, chat_id=chat_id, actor_user_id=current_user.id, target_user_id=user_id)
realtime_gateway.remove_chat_subscription(chat_id=chat_id, user_id=user_id)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
@router.get("/{chat_id}/bans", response_model=list[ChatBanRead])
async def list_chat_bans(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> list[ChatBanRead]:
return await list_chat_bans_for_user(db, chat_id=chat_id, actor_user_id=current_user.id)
@router.delete("/{chat_id}/bans/{user_id}", status_code=status.HTTP_204_NO_CONTENT)
async def unban_chat_member(
chat_id: int,
user_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> None:
await unban_chat_member_for_user(db, chat_id=chat_id, actor_user_id=current_user.id, target_user_id=user_id)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
@router.post("/{chat_id}/leave", status_code=status.HTTP_204_NO_CONTENT)
async def leave_chat(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> None:
await leave_chat_for_user(db, chat_id=chat_id, user_id=current_user.id)
realtime_gateway.remove_chat_subscription(chat_id=chat_id, user_id=current_user.id)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
@router.delete("/{chat_id}", status_code=status.HTTP_204_NO_CONTENT)
async def delete_chat(
chat_id: int,
for_all: bool = False,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> None:
chat_before_delete = await chats_repository.get_chat_by_id(db, chat_id)
membership_before_delete = (
await chats_repository.get_chat_member(db, chat_id=chat_id, user_id=current_user.id) if chat_before_delete else None
)
delete_for_all = bool(
chat_before_delete
and (
(for_all and not chat_before_delete.is_saved)
or (
chat_before_delete.type == ChatType.CHANNEL
and not chat_before_delete.is_saved
and membership_before_delete is not None
and membership_before_delete.role in {ChatMemberRole.OWNER, ChatMemberRole.ADMIN}
)
)
)
await delete_chat_for_user(db, chat_id=chat_id, user_id=current_user.id, payload=ChatDeleteRequest(for_all=for_all))
if chat_before_delete and not chat_before_delete.is_saved:
realtime_gateway.remove_chat_subscription(chat_id=chat_id, user_id=current_user.id)
if delete_for_all:
await realtime_gateway.publish_chat_deleted(chat_id=chat_id)
else:
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
@router.post("/{chat_id}/clear", status_code=status.HTTP_204_NO_CONTENT)
async def clear_chat(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> None:
await clear_chat_for_user(db, chat_id=chat_id, user_id=current_user.id)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
@router.post("/{chat_id}/pin", response_model=ChatRead)
async def pin_chat_message(
chat_id: int,
payload: ChatPinMessageRequest,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await pin_chat_message_for_user(db, chat_id=chat_id, user_id=current_user.id, payload=payload)
await realtime_gateway.publish_chat_updated(chat_id=chat.id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
@router.get("/{chat_id}/notifications", response_model=ChatNotificationSettingsRead)
async def get_chat_notifications(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatNotificationSettingsRead:
return await get_chat_notification_settings_for_user(db, chat_id=chat_id, user_id=current_user.id)
@router.put("/{chat_id}/notifications", response_model=ChatNotificationSettingsRead)
async def update_chat_notifications(
chat_id: int,
payload: ChatNotificationSettingsUpdate,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatNotificationSettingsRead:
settings = await update_chat_notification_settings_for_user(
db,
chat_id=chat_id,
user_id=current_user.id,
payload=payload,
)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
return settings
@router.post("/{chat_id}/archive", response_model=ChatRead)
async def archive_chat(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await set_chat_archived_for_user(db, chat_id=chat_id, user_id=current_user.id, archived=True)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
@router.post("/{chat_id}/unarchive", response_model=ChatRead)
async def unarchive_chat(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await set_chat_archived_for_user(db, chat_id=chat_id, user_id=current_user.id, archived=False)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
@router.post("/{chat_id}/pin-chat", response_model=ChatRead)
async def pin_chat(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await set_chat_pinned_for_user(db, chat_id=chat_id, user_id=current_user.id, pinned=True)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
@router.post("/{chat_id}/unpin-chat", response_model=ChatRead)
async def unpin_chat(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await set_chat_pinned_for_user(db, chat_id=chat_id, user_id=current_user.id, pinned=False)
await realtime_gateway.publish_chat_updated(chat_id=chat_id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)
@router.post("/{chat_id}/invite-link", response_model=ChatInviteLinkRead)
async def create_invite_link(
chat_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatInviteLinkRead:
return await create_chat_invite_link_for_user(db, chat_id=chat_id, user_id=current_user.id)
@router.post("/join-by-invite", response_model=ChatRead)
async def join_by_invite(
payload: ChatJoinByInviteRequest,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
) -> ChatRead:
chat = await join_chat_by_invite_for_user(db, user_id=current_user.id, payload=payload)
realtime_gateway.add_chat_subscription(chat_id=chat.id, user_id=current_user.id)
await realtime_gateway.publish_chat_updated(chat_id=chat.id)
return await serialize_chat_for_user(db, user_id=current_user.id, chat=chat)