|  | 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() | 
					
						
						|  |  |