Files
api/app/api/routes/memory.py
2026-04-17 17:04:27 +02:00

226 lines
7.9 KiB
Python

"""Memory management routes — view/edit/delete user memory tiers.
All routes require authentication. Data is always user-scoped.
"""
from __future__ import annotations
import logging
from datetime import datetime, timezone
from typing import Annotated
from fastapi import APIRouter, Depends, Header, HTTPException, status
from pydantic import BaseModel, Field
from sqlalchemy import delete, select
from sqlalchemy.ext.asyncio import AsyncSession
from app.api.deps import get_current_user
from app.core.memory_middleware import MemoryMiddleware
from app.db import get_session
from app.models import (
ExtractionQueue,
MemoryAssociative,
MemoryCore,
MemoryEpisodic,
MemoryProactive,
MemoryRelation,
)
from app.schemas import UserProfile
router = APIRouter(prefix="/memory", tags=["memory"])
logger = logging.getLogger(__name__)
_ALLOWED_PREDICATES = {
"works_at",
"reports_to",
"stakeholder_of",
"last_contacted_on",
"owes_followup",
"manages",
"collaborates_with",
"owns",
"member_of",
"custom",
}
# ── Response schemas ─────────────────────────────────────────────────────────
class RelationOut(BaseModel):
id: str
subject_label: str
subject_type: str
predicate: str
object_label: str
object_type: str
confidence: float
last_confirmed_at: int | None = None # epoch ms
class RelationPatch(BaseModel):
subject_label: str | None = None
object_label: str | None = None
predicate: str | None = None
confidence: float | None = Field(None, ge=0.0, le=1.0)
class CoreAddBody(BaseModel):
key: str = Field(..., min_length=1, max_length=255)
value: str = Field(..., min_length=1)
# ── Helpers ──────────────────────────────────────────────────────────────────
def _relation_to_out(row: MemoryRelation) -> RelationOut:
last_ms: int | None = None
if row.last_confirmed_at is not None:
last_ms = int(row.last_confirmed_at.timestamp() * 1000)
return RelationOut(
id=row.id,
subject_label=row.subject_label,
subject_type=row.subject_type,
predicate=row.predicate,
object_label=row.object_label,
object_type=row.object_type,
confidence=row.confidence,
last_confirmed_at=last_ms,
)
# ── Routes ───────────────────────────────────────────────────────────────────
@router.get("/core", response_model=dict[str, str])
async def get_core_memory(
current_user: UserProfile = Depends(get_current_user),
db: AsyncSession = Depends(get_session),
) -> dict[str, str]:
"""Return all core memory k/v pairs (plaintext) for the current user."""
mw = MemoryMiddleware(db)
blocks = await mw.list_core_blocks(current_user.id)
return {b["label"]: b["value"] for b in blocks}
@router.delete("/core/{key}", status_code=status.HTTP_204_NO_CONTENT)
async def delete_core_key(
key: str,
current_user: UserProfile = Depends(get_current_user),
db: AsyncSession = Depends(get_session),
) -> None:
"""Delete a single core memory key (GDPR Art. 17)."""
mw = MemoryMiddleware(db)
deleted = await mw.delete_core(current_user.id, key)
if not deleted:
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Key not found")
@router.post("/core", status_code=status.HTTP_201_CREATED, response_model=dict[str, str])
async def add_core_key(
body: CoreAddBody,
current_user: UserProfile = Depends(get_current_user),
db: AsyncSession = Depends(get_session),
) -> dict[str, str]:
"""Add or overwrite a core memory key/value pair."""
mw = MemoryMiddleware(db)
await mw.update_core(current_user.id, body.key, body.value)
return {body.key: body.value}
@router.get("/relational", response_model=list[RelationOut])
async def get_relational_memory(
current_user: UserProfile = Depends(get_current_user),
db: AsyncSession = Depends(get_session),
) -> list[RelationOut]:
"""Return all relational memory rows for the current user."""
mw = MemoryMiddleware(db)
rows = await mw.query_relations(current_user.id, limit=200)
return [_relation_to_out(r) for r in rows]
@router.patch("/relational/{relation_id}", response_model=RelationOut)
async def patch_relation(
relation_id: str,
body: RelationPatch,
current_user: UserProfile = Depends(get_current_user),
db: AsyncSession = Depends(get_session),
) -> RelationOut:
"""Edit a relation row's labels, predicate, or confidence."""
if body.predicate is not None and body.predicate not in _ALLOWED_PREDICATES:
raise HTTPException(
status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
detail=f"predicate must be one of: {sorted(_ALLOWED_PREDICATES)}",
)
result = await db.execute(
select(MemoryRelation).where(
MemoryRelation.id == relation_id,
MemoryRelation.user_id == current_user.id,
)
)
row = result.scalar_one_or_none()
if row is None:
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Relation not found")
if body.subject_label is not None:
row.subject_label = body.subject_label
if body.object_label is not None:
row.object_label = body.object_label
if body.predicate is not None:
row.predicate = body.predicate
if body.confidence is not None:
row.confidence = body.confidence
row.last_confirmed_at = datetime.now(timezone.utc)
await db.commit()
await db.refresh(row)
logger.info("memory: patch_relation user=%s relation=%s", current_user.id, relation_id)
return _relation_to_out(row)
@router.delete("/relational/{relation_id}", status_code=status.HTTP_204_NO_CONTENT)
async def delete_relation(
relation_id: str,
current_user: UserProfile = Depends(get_current_user),
db: AsyncSession = Depends(get_session),
) -> None:
"""Hard-delete a relation row (GDPR Art. 17)."""
result = await db.execute(
select(MemoryRelation).where(
MemoryRelation.id == relation_id,
MemoryRelation.user_id == current_user.id,
)
)
row = result.scalar_one_or_none()
if row is None:
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Relation not found")
await db.delete(row)
await db.commit()
logger.info("memory: delete_relation user=%s relation=%s", current_user.id, relation_id)
@router.post("/forget-all", status_code=status.HTTP_204_NO_CONTENT)
async def forget_all(
x_confirm: Annotated[str | None, Header(alias="X-Confirm")] = None,
current_user: UserProfile = Depends(get_current_user),
db: AsyncSession = Depends(get_session),
) -> None:
"""Wipe all memory tiers for the current user (GDPR Art. 17).
Requires ``X-Confirm: true`` header. Does NOT delete the user account.
"""
if x_confirm != "true":
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail="Missing or invalid X-Confirm header. Send X-Confirm: true to confirm.",
)
uid = current_user.id
await db.execute(delete(MemoryCore).where(MemoryCore.user_id == uid))
await db.execute(delete(MemoryAssociative).where(MemoryAssociative.user_id == uid))
await db.execute(delete(MemoryEpisodic).where(MemoryEpisodic.user_id == uid))
await db.execute(delete(MemoryProactive).where(MemoryProactive.user_id == uid))
await db.execute(delete(MemoryRelation).where(MemoryRelation.user_id == uid))
await db.execute(delete(ExtractionQueue).where(ExtractionQueue.user_id == uid))
await db.commit()
logger.warning("memory: forget_all GDPR wipe user=%s", uid)