added memmory

This commit is contained in:
2026-06-10 08:23:45 +03:00
parent 2c86a634bb
commit 5a9d26fbf4
13 changed files with 629 additions and 11 deletions
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from typing import Any
from sqlalchemy.orm import Session
from app.memory.service import MemoryService
MAX_FACTS_IN_CONTEXT = 25
PROFILE_KEYS = ("name", "timezone", "language", "notes")
def get_memory_snapshot(db: Session, session_id: int | None = None) -> dict[str, Any]:
return MemoryService(db).snapshot(session_id)
def format_memory_context(snapshot: dict[str, Any]) -> str:
lines = ["[Память и профиль — долгосрочный контекст]"]
profile = snapshot.get("profile") or {}
profile_lines = []
for key in PROFILE_KEYS:
value = (profile.get(key) or "").strip()
if value:
profile_lines.append(f"- {key}: {value}")
if profile_lines:
lines.append("Профиль пользователя:")
lines.extend(profile_lines)
else:
lines.append("Профиль: не заполнен (можно уточнить имя, часовой пояс).")
summary = (snapshot.get("session_summary") or "").strip()
if summary:
lines.append("")
lines.append("Сводка текущего чата (ранние сообщения):")
lines.append(summary)
facts = snapshot.get("facts") or []
if facts:
lines.append("")
lines.append(f"Запомненные факты ({snapshot.get('total_facts', len(facts))}):")
for fact in facts[:MAX_FACTS_IN_CONTEXT]:
lines.append(
f"- [{fact.get('category')}] #{fact.get('id')} {fact.get('content')}"
)
else:
lines.append("")
lines.append("Запомненные факты: пока нет.")
lines.append("")
lines.append(
"Правила памяти: "
"«запомни» → remember_fact. "
"«что ты помнишь» → recall_memories или ответ из снимка выше. "
"«забудь #N» → forget_memory. "
"Профиль (имя, timezone) → update_profile. "
"Длинный чат — update_session_summary с краткой сводкой темы. "
"Не выдумывай факты — только то, что в профиле/фактах или сказал пользователь."
)
return "\n".join(lines)
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import json
from datetime import datetime, timezone
from typing import Any
from sqlalchemy import func, or_, select
from sqlalchemy.orm import Session
from app.db.models import MemoryFact, SessionSummary, UserProfile
DEFAULT_PROFILE: dict[str, Any] = {
"name": "",
"timezone": "",
"language": "ru",
"notes": "",
}
class MemoryService:
def __init__(self, db: Session):
self.db = db
def get_profile(self) -> dict[str, Any]:
row = self.db.scalar(select(UserProfile).limit(1))
if not row:
return dict(DEFAULT_PROFILE)
try:
data = json.loads(row.data_json or "{}")
except json.JSONDecodeError:
data = {}
merged = dict(DEFAULT_PROFILE)
merged.update(data)
return merged
def update_profile(self, updates: dict[str, Any]) -> dict[str, Any]:
row = self.db.scalar(select(UserProfile).limit(1))
if not row:
row = UserProfile(data_json="{}")
self.db.add(row)
self.db.flush()
current = self.get_profile()
for key, value in updates.items():
if value is None:
current.pop(key, None)
else:
current[key] = value
row.data_json = json.dumps(current, ensure_ascii=False)
row.updated_at = datetime.now(timezone.utc)
self.db.commit()
return {"ok": True, "profile": current}
def remember_fact(
self,
content: str,
*,
category: str = "fact",
source: str = "user",
session_id: int | None = None,
importance: int = 3,
) -> dict[str, Any]:
text = content.strip()
if not text:
raise ValueError("Пустой факт")
existing = self.db.scalar(
select(MemoryFact).where(
MemoryFact.active.is_(True),
func.lower(MemoryFact.content) == text.lower(),
)
)
if existing:
existing.category = category or existing.category
existing.importance = max(existing.importance, min(5, max(1, importance)))
existing.updated_at = datetime.now(timezone.utc)
if session_id:
existing.session_id = session_id
self.db.commit()
return {
"ok": True,
"action": "updated",
"memory_id": existing.id,
"content": existing.content,
"category": existing.category,
}
fact = MemoryFact(
category=(category or "fact")[:64],
content=text[:2000],
source=source[:32],
session_id=session_id,
importance=min(5, max(1, importance)),
)
self.db.add(fact)
self.db.commit()
self.db.refresh(fact)
return {
"ok": True,
"action": "created",
"memory_id": fact.id,
"content": fact.content,
"category": fact.category,
}
def recall_memories(
self,
*,
query: str | None = None,
category: str | None = None,
limit: int = 20,
active_only: bool = True,
) -> list[dict[str, Any]]:
stmt = select(MemoryFact).order_by(
MemoryFact.importance.desc(),
MemoryFact.updated_at.desc(),
)
if active_only:
stmt = stmt.where(MemoryFact.active.is_(True))
if category:
stmt = stmt.where(MemoryFact.category == category)
if query:
pattern = f"%{query.strip()}%"
stmt = stmt.where(
or_(
MemoryFact.content.ilike(pattern),
MemoryFact.category.ilike(pattern),
)
)
facts = self.db.scalars(stmt.limit(min(limit, 50))).all()
return [
{
"id": f.id,
"category": f.category,
"content": f.content,
"importance": f.importance,
"source": f.source,
"updated_at": f.updated_at.isoformat() if f.updated_at else None,
}
for f in facts
]
def forget_memory(self, memory_id: int) -> dict[str, Any]:
fact = self.db.get(MemoryFact, memory_id)
if not fact:
raise ValueError(f"Память #{memory_id} не найдена")
fact.active = False
fact.updated_at = datetime.now(timezone.utc)
self.db.commit()
return {"ok": True, "memory_id": memory_id, "forgotten": fact.content}
def get_active_facts(self, limit: int = 25) -> list[MemoryFact]:
return list(
self.db.scalars(
select(MemoryFact)
.where(MemoryFact.active.is_(True))
.order_by(MemoryFact.importance.desc(), MemoryFact.updated_at.desc())
.limit(limit)
).all()
)
def get_session_summary(self, session_id: int) -> SessionSummary | None:
return self.db.scalar(
select(SessionSummary).where(SessionSummary.session_id == session_id)
)
def update_session_summary(
self,
session_id: int,
summary: str,
*,
message_count: int = 0,
) -> dict[str, Any]:
text = summary.strip()
if not text:
raise ValueError("Пустая сводка")
row = self.get_session_summary(session_id)
if not row:
row = SessionSummary(session_id=session_id)
self.db.add(row)
row.summary = text[:4000]
row.message_count = message_count
row.updated_at = datetime.now(timezone.utc)
self.db.commit()
return {"ok": True, "session_id": session_id, "summary": row.summary}
def snapshot(self, session_id: int | None = None) -> dict[str, Any]:
facts = self.get_active_facts()
summary_row = self.get_session_summary(session_id) if session_id else None
return {
"profile": self.get_profile(),
"facts": [
{
"id": f.id,
"category": f.category,
"content": f.content,
"importance": f.importance,
}
for f in facts
],
"session_summary": summary_row.summary if summary_row else "",
"total_facts": len(facts),
}