removed authorize stuff

app/routers/info.py

@@ -0,0 +1,68 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+from datetime import datetime
+from app.models.customer import Customer_Customer
+from app.models.delivery import Delivery
+from database import get_db
+from sqlalchemy import func
+
+router = APIRouter(
+    prefix="/info",
+    tags=["info"],
+)
+
+def get_customers_without_delivery_since(db: Session, date_threshold: datetime):
+    """
+    Queries all customers who haven't received a delivery since the specified date.
+
+    Args:
+        db: The database session.
+        date_threshold: The date threshold. Customers whose last delivery is
+                        before this date (or have no deliveries) will be returned.
+
+    Returns:
+        A tuple containing the count and a list of Customer_Customer objects.
+    """
+    # Subquery to find the last delivery date for each customer
+    last_delivery_subquery = (
+        db.query(
+            Delivery.customer_id,
+            func.max(Delivery.when_delivered).label("last_delivery_date")
+        )
+        .group_by(Delivery.customer_id)
+        .subquery()
+    )
+
+    # Main query to join customers with their last delivery date
+    # and filter based on the date threshold
+    customers = (
+        db.query(Customer_Customer)
+        .outerjoin(
+            last_delivery_subquery,
+            Customer_Customer.id == last_delivery_subquery.c.customer_id
+        )
+        .filter(
+            (last_delivery_subquery.c.last_delivery_date < date_threshold) |
+            (last_delivery_subquery.c.last_delivery_date == None)
+        )
+        .all()
+    )
+    return len(customers), customers
+
+@router.get("/customers/no_delivery_since/{year}/{month}/{day}")
+async def customers_no_delivery_since(
+    year: int, 
+    month: int, 
+    day: int, 
+    db: Session = Depends(get_db)
+):
+    """
+    Get customers who have not had a delivery since the specified date.
+    """
+    try:
+        threshold_date = datetime(year, month, day).date()
+        count, customers = get_customers_without_delivery_since(db, threshold_date)
+        return {"customer_count": count, "customers": customers}
+    except ValueError as e:
+        return {"error": str(e)}
+