added RAG, Multiuser, TG bot

backend/app/api/routes/documents.py

@@ -0,0 +1,51 @@
+from typing import Any
+
+from fastapi import APIRouter, Depends, File, Form, HTTPException, UploadFile
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from app.auth.deps import get_current_user
+from app.db.base import get_db
+from app.db.models import User
+from app.db.models import Document
+from app.rag.ingest import ingest_document_file
+
+router = APIRouter()
+
+
+@router.get("/documents")
+def list_documents(db: Session = Depends(get_db), user: User = Depends(get_current_user)) -> list[dict[str, Any]]:
+    docs = db.scalars(select(Document).where(Document.user_id == user.id).order_by(Document.created_at.desc())).all()
+    return [
+        {
+            "id": d.id,
+            "title": d.title,
+            "filename": d.filename,
+            "size_bytes": d.size_bytes,
+            "created_at": d.created_at.isoformat() if d.created_at else None,
+        }
+        for d in docs
+    ]
+
+
+@router.post("/documents/upload")
+async def upload_document(
+    file: UploadFile = File(...),
+    title: str = Form(""),
+    db: Session = Depends(get_db),
+    user: User = Depends(get_current_user),
+) -> dict[str, Any]:
+    raw = await file.read()
+    if not raw:
+        raise HTTPException(status_code=400, detail="Empty file")
+    try:
+        doc = await ingest_document_file(
+            db,
+            user_id=user.id,
+            title=title.strip() or (file.filename or "document"),
+            filename=file.filename or "upload.txt",
+            raw_bytes=raw,
+        )
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
+    return {"ok": True, "document": doc}