85 lines
2.4 KiB
Python
85 lines
2.4 KiB
Python
# core/models.py
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"""
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Pure data models — no database logic, no side effects.
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These are simple datacontainers. All persistence is handled by SessionManager.
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"""
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from dataclasses import dataclass
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from typing import Dict, List, Any, Optional, TYPE_CHECKING
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if TYPE_CHECKING:
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from .session_manager import SessionManager
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# Module-level session manager reference (set at app startup)
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_session_manager: Optional["SessionManager"] = None
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def set_session_manager(manager: "SessionManager"):
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"""Set the global session manager reference."""
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global _session_manager
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_session_manager = manager
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@dataclass
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class ChatMessage:
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"""A single chat message."""
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role: str
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content: str
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metadata: Optional[Dict[str, Any]] = None
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def to_dict(self) -> Dict[str, Any]:
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"""Convert to dict for API responses."""
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result = {"role": self.role, "content": self.content}
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if self.metadata:
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result["metadata"] = self.metadata
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return result
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def get(self, key: str, default=None):
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"""Dict-like access for compatibility."""
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return getattr(self, key, default)
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@dataclass
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class Session:
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"""A chat session — pure data container."""
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id: str
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name: str
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endpoint_url: str
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model: str
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rag: bool = False
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archived: bool = False
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headers: Optional[Dict[str, str]] = None
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history: List[ChatMessage] = None
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owner: Optional[str] = None
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is_important: bool = False
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message_count: int = 0
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def __post_init__(self):
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if self.history is None:
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self.history = []
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if self.headers is None:
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self.headers = {}
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def add_message(self, message: ChatMessage):
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"""
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Add a message to this session.
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Delegates to SessionManager for persistence if available,
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otherwise just appends to history.
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"""
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self.history.append(message)
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self.message_count = len(self.history)
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# Delegate to session manager for persistence
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if _session_manager:
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_session_manager._persist_message(self.id, message)
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def get_context_messages(self) -> List[Dict[str, Any]]:
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"""Get messages in format for LLM API."""
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return [msg.to_dict() for msg in self.history]
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def get(self, key: str, default=None):
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"""Dict-like access for compatibility."""
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return getattr(self, key, default)
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