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