first commit

backend/app/routes_numbers.py

@@ -0,0 +1,79 @@
+from datetime import datetime, timezone
+from uuid import UUID
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from .auth import current_user
+from .database import get_db
+from .models import PhoneNumber, UserAccount
+
+router = APIRouter(prefix="/api/v1/numbers", tags=["numbers"])
+
+
+def serialize_phone_number(number: PhoneNumber) -> dict:
+    return {
+        "id": str(number.id),
+        "phone_number": number.phone_number,
+        "monthly_number_price": float(number.monthly_number_price),
+        "inbound_price": float(number.inbound_price),
+        "outbound_price": float(number.outbound_price),
+        "currency": number.currency,
+        "status": number.status,
+        "acquisition_type": number.acquisition_type,
+        "assigned_at": number.assigned_at,
+        "created_at": number.created_at,
+    }
+
+
+@router.get("/catalog")
+def list_catalog(
+    db: Session = Depends(get_db),
+    _: UserAccount = Depends(current_user),
+) -> list[dict]:
+    numbers = db.scalars(
+        select(PhoneNumber)
+        .where(PhoneNumber.status == "available", PhoneNumber.user_id.is_(None))
+        .order_by(PhoneNumber.created_at.desc())
+    ).all()
+    return [serialize_phone_number(number) for number in numbers]
+
+
+@router.get("/mine")
+def list_my_numbers(
+    db: Session = Depends(get_db),
+    user: UserAccount = Depends(current_user),
+) -> list[dict]:
+    numbers = db.scalars(
+        select(PhoneNumber)
+        .where(PhoneNumber.user_id == user.id, PhoneNumber.status == "assigned")
+        .order_by(PhoneNumber.assigned_at.desc())
+    ).all()
+    return [serialize_phone_number(number) for number in numbers]
+
+
+@router.post("/{number_id}/purchase")
+def purchase_number(
+    number_id: UUID,
+    db: Session = Depends(get_db),
+    user: UserAccount = Depends(current_user),
+) -> dict:
+    number = db.scalar(
+        select(PhoneNumber).where(
+            PhoneNumber.id == number_id,
+            PhoneNumber.status == "available",
+            PhoneNumber.user_id.is_(None),
+        )
+    )
+    if not number:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Number is not available")
+
+    now = datetime.now(timezone.utc)
+    number.user_id = user.id
+    number.status = "assigned"
+    number.acquisition_type = "purchased"
+    number.assigned_at = now
+    db.commit()
+    db.refresh(number)
+    return serialize_phone_number(number)