89 lines
2.8 KiB
Python
89 lines
2.8 KiB
Python
"""AI Chat Builder session tracking.
|
|
|
|
Stores conversational flow builder state across the multi-phase interview.
|
|
Sessions expire after 24 hours.
|
|
"""
|
|
import uuid
|
|
from datetime import datetime, timezone
|
|
from typing import Optional, Any
|
|
|
|
from sqlalchemy import String, DateTime, ForeignKey, Integer
|
|
from sqlalchemy.orm import Mapped, mapped_column
|
|
from sqlalchemy.dialects.postgresql import UUID, JSONB
|
|
|
|
from app.core.database import Base
|
|
|
|
|
|
class AIChatSession(Base):
|
|
__tablename__ = "ai_chat_sessions"
|
|
|
|
id: Mapped[uuid.UUID] = mapped_column(
|
|
UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
|
|
)
|
|
user_id: Mapped[uuid.UUID] = mapped_column(
|
|
UUID(as_uuid=True),
|
|
ForeignKey("users.id", ondelete="CASCADE"),
|
|
nullable=False,
|
|
index=True,
|
|
)
|
|
account_id: Mapped[uuid.UUID] = mapped_column(
|
|
UUID(as_uuid=True),
|
|
ForeignKey("accounts.id", ondelete="CASCADE"),
|
|
nullable=False,
|
|
index=True,
|
|
)
|
|
status: Mapped[str] = mapped_column(
|
|
String(20),
|
|
nullable=False,
|
|
default="active",
|
|
comment="active | completed | abandoned",
|
|
)
|
|
current_phase: Mapped[str] = mapped_column(
|
|
String(20),
|
|
nullable=False,
|
|
default="scoping",
|
|
comment="scoping | discovery | enrichment | review | generation",
|
|
)
|
|
flow_type: Mapped[str] = mapped_column(
|
|
String(20),
|
|
nullable=False,
|
|
comment="troubleshooting | procedural",
|
|
)
|
|
conversation_history: Mapped[list[dict[str, Any]]] = mapped_column(
|
|
JSONB, nullable=False, default=list
|
|
)
|
|
working_tree: Mapped[Optional[dict[str, Any]]] = mapped_column(
|
|
JSONB, nullable=True
|
|
)
|
|
tree_metadata: Mapped[dict[str, Any]] = mapped_column(
|
|
JSONB, nullable=False, default=dict
|
|
)
|
|
provider_used: Mapped[Optional[str]] = mapped_column(
|
|
String(20), nullable=True
|
|
)
|
|
message_count: Mapped[int] = mapped_column(
|
|
Integer, nullable=False, default=0
|
|
)
|
|
total_input_tokens: Mapped[int] = mapped_column(
|
|
Integer, nullable=False, default=0
|
|
)
|
|
total_output_tokens: Mapped[int] = mapped_column(
|
|
Integer, nullable=False, default=0
|
|
)
|
|
generated_tree_id: Mapped[Optional[uuid.UUID]] = mapped_column(
|
|
UUID(as_uuid=True),
|
|
ForeignKey("trees.id", ondelete="SET NULL"),
|
|
nullable=True,
|
|
)
|
|
expires_at: Mapped[datetime] = mapped_column(
|
|
DateTime(timezone=True), nullable=False
|
|
)
|
|
created_at: Mapped[datetime] = mapped_column(
|
|
DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
|
|
)
|
|
updated_at: Mapped[datetime] = mapped_column(
|
|
DateTime(timezone=True),
|
|
default=lambda: datetime.now(timezone.utc),
|
|
onupdate=lambda: datetime.now(timezone.utc),
|
|
)
|