Connected frontend new contact, new address and shipments to backend

backend/main.py

@@ -4,6 +4,8 @@ from fastapi import HTTPException, status
 from pydantic import BaseModel
 from typing import List, Optional
 import logging
+import uuid
+
 
 logging.basicConfig(level=logging.INFO)
 
@@ -53,7 +55,7 @@ class Dewar(BaseModel):
 
 
 class Shipment(BaseModel):
-    shipment_id: str
+    shipment_id: Optional[str] = None
     shipment_name: str
     shipment_date: str
     shipment_status: str
@@ -233,16 +235,14 @@ async def get_shipment_contact_persons():
     return [{"shipment_id": shipment.shipment_id, "contact_person": shipment.get_shipment_contact_persons()} for shipment in
             shipments]
 
-# Creation of a new shipment
+
 @app.post("/shipments", response_model=Shipment, status_code=status.HTTP_201_CREATED)
 async def create_shipment(shipment: Shipment):
-    # Check for duplicate shipment_id
-    if any(s.shipment_id == shipment.shipment_id for s in shipments):
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail="Shipment with this ID already exists."
-        )
+    # Automatically generate a shipment ID
+    shipment_id = f'SHIP-{uuid.uuid4().hex[:8].upper()}'  # Generates a unique shipment ID
+    shipment.shipment_id = shipment_id  # Set the generated ID
 
+    # Append the shipment to the list
     shipments.append(shipment)
     return shipment