Refactor Dewar service methods and improve field handling

Updated Dewar API methods to use protected endpoints for enhanced security and consistency. Added `pgroups` handling in various frontend components and modified the LogisticsView contact field for clarity. Simplified backend router imports for better readability.

backend/app/routers/shipment.py

@@ -3,6 +3,8 @@ from sqlalchemy.orm import Session
 from typing import List
 from datetime import date
 import json
+import logging
+from sqlalchemy.exc import SQLAlchemyError
 
 from app.models import (
     Shipment as ShipmentModel,
@@ -20,11 +22,11 @@ from app.schemas import (
     Shipment as ShipmentSchema,
     Contact as ContactSchema,
     Sample as SampleSchema,
-    DewarSchema,
     loginData,
+    Dewar,
 )
 from app.database import get_db
-from app.crud import get_shipment_by_id
+from app.crud import get_shipment_by_id, get_shipments
 from app.routers.auth import get_current_user
 
 shipment_router = APIRouter()
@@ -59,7 +61,17 @@ async def fetch_shipments(
     return shipments
 
 
-@shipment_router.get("/{shipment_id}/dewars", response_model=List[DewarSchema])
+@shipment_router.get("/shipments", response_model=List[ShipmentSchema])
+async def get_all_shipments(db: Session = Depends(get_db)):
+    try:
+        shipments = get_shipments(db)
+        return shipments
+    except SQLAlchemyError as e:
+        logging.error(f"Database error occurred: {e}")
+        raise HTTPException(status_code=500, detail="Internal server error")
+
+
+@shipment_router.get("/{shipment_id}/dewars", response_model=List[Dewar])
 async def get_dewars_by_shipment_id(shipment_id: int, db: Session = Depends(get_db)):
     shipment = db.query(ShipmentModel).filter(ShipmentModel.id == shipment_id).first()
     if not shipment: