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from typing import Optional, Union
from core.app.entities.app_invoke_entities import InvokeFrom
from extensions.ext_database import db
from libs.infinite_scroll_pagination import InfiniteScrollPagination
from models.account import Account
from models.model import App, EndUser
from models.web import PinnedConversation
from services.conversation_service import ConversationService
class WebConversationService:
@classmethod
def pagination_by_last_id(cls, app_model: App, user: Optional[Union[Account, EndUser]],
last_id: Optional[str], limit: int, invoke_from: InvokeFrom,
pinned: Optional[bool] = None) -> InfiniteScrollPagination:
include_ids = None
exclude_ids = None
if pinned is not None:
pinned_conversations = db.session.query(PinnedConversation).filter(
PinnedConversation.app_id == app_model.id,
PinnedConversation.created_by_role == ('account' if isinstance(user, Account) else 'end_user'),
PinnedConversation.created_by == user.id
).order_by(PinnedConversation.created_at.desc()).all()
pinned_conversation_ids = [pc.conversation_id for pc in pinned_conversations]
if pinned:
include_ids = pinned_conversation_ids
else:
exclude_ids = pinned_conversation_ids
return ConversationService.pagination_by_last_id(
app_model=app_model,
user=user,
last_id=last_id,
limit=limit,
invoke_from=invoke_from,
include_ids=include_ids,
exclude_ids=exclude_ids,
)
@classmethod
def pin(cls, app_model: App, conversation_id: str, user: Optional[Union[Account, EndUser]]):
pinned_conversation = db.session.query(PinnedConversation).filter(
PinnedConversation.app_id == app_model.id,
PinnedConversation.conversation_id == conversation_id,
PinnedConversation.created_by_role == ('account' if isinstance(user, Account) else 'end_user'),
PinnedConversation.created_by == user.id
).first()
if pinned_conversation:
return
conversation = ConversationService.get_conversation(
app_model=app_model,
conversation_id=conversation_id,
user=user
)
pinned_conversation = PinnedConversation(
app_id=app_model.id,
conversation_id=conversation.id,
created_by_role='account' if isinstance(user, Account) else 'end_user',
created_by=user.id
)
db.session.add(pinned_conversation)
db.session.commit()
@classmethod
def unpin(cls, app_model: App, conversation_id: str, user: Optional[Union[Account, EndUser]]):
pinned_conversation = db.session.query(PinnedConversation).filter(
PinnedConversation.app_id == app_model.id,
PinnedConversation.conversation_id == conversation_id,
PinnedConversation.created_by_role == ('account' if isinstance(user, Account) else 'end_user'),
PinnedConversation.created_by == user.id
).first()
if not pinned_conversation:
return
db.session.delete(pinned_conversation)
db.session.commit()
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