feat: T03+T04 backend - FastAPI, DB models, Rentman integration, admin auth, APScheduler

backend/app/routers/contact.py

@@ -0,0 +1,49 @@
+"""Contact form router."""
+from fastapi import APIRouter, Depends, HTTPException, Request, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from app.database import get_db
+from app.models.contact import Contact
+from app.schemas.contact import ContactCreate, ContactResponse
+from app.services.email_service import EmailService
+from app.cache import cache
+
+router = APIRouter(prefix="/api/contact", tags=["contact"])
+
+
+@router.post("", response_model=ContactResponse)
+async def create_contact(
+    payload: ContactCreate,
+    request: Request,
+    db: AsyncSession = Depends(get_db),
+) -> ContactResponse:
+    """Save contact form and send email."""
+    client_ip = request.client.host if request.client else "unknown"
+    rate_key = f"rate:contact:{client_ip}"
+    count = await cache.incr_rate(rate_key, window=60)
+    if count > 5:
+        raise HTTPException(status_code=status.HTTP_429_TOO_MANY_REQUESTS, detail="Too many requests")
+
+    contact = Contact(
+        name=payload.name,
+        email=str(payload.email),
+        phone=payload.phone,
+        message=payload.message,
+        privacy_consent=payload.privacy_consent,
+    )
+    db.add(contact)
+    await db.commit()
+
+    email_service = EmailService()
+    try:
+        await email_service.send_contact_email({
+            "name": payload.name,
+            "email": str(payload.email),
+            "phone": payload.phone,
+            "message": payload.message,
+        })
+        contact.email_sent = True
+        await db.commit()
+    except Exception:
+        pass
+
+    return ContactResponse(success=True)