Initial commit: VoIdeaAI - voice-first AI idea assistant

app/models/session.py

@@ -0,0 +1,31 @@
+"""Session model — one chat session = one idea discussion."""
+
+from typing import Optional
+
+from sqlalchemy import ForeignKey, String, Text
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.core.base import SQLBase, TimestampMixin, UUIDMixin
+
+
+class Session(SQLBase, UUIDMixin, TimestampMixin):
+    __tablename__ = "sessions"
+
+    user_id: Mapped[UUID] = mapped_column(
+        UUID(as_uuid=True),
+        ForeignKey("users.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    title: Mapped[str] = mapped_column(
+        String(255), nullable=False, default="Новое обсуждение"
+    )
+    status: Mapped[str] = mapped_column(
+        String(20), nullable=False, default="active", index=True
+    )
+    idea_id: Mapped[Optional[UUID]] = mapped_column(
+        UUID(as_uuid=True),
+        ForeignKey("ideas.id", ondelete="SET NULL"),
+        nullable=True,
+    )