optimization: not fetching binary data if not needed

app/lib/actions/billActions.ts

@@ -196,14 +196,27 @@ export const updateOrAddBill = withUser(async (user:AuthenticatedUser, locationI
     }
 })
 
-export const fetchBillById = withUser(async (user:AuthenticatedUser, locationID:string, billID:string) => {
+export const fetchBillById = withUser(async (user:AuthenticatedUser, locationID:string, billID:string, includeAttachmentBinary:boolean = false) => {
 
     const { id: userId } = user;
 
     const dbClient = await getDbClient();
 
+    // don't include the attachment binary data in the response
+    // if the attachment binary data is not needed
+    const projection = includeAttachmentBinary ? {} : {
+        "bills.attachment.fileContentsBase64": 0,
+    };
+
     // find a location with the given locationID
-    const billLocation = await dbClient.collection<BillingLocation>("lokacije").findOne({ _id: locationID, userId })
+    const billLocation = await dbClient.collection<BillingLocation>("lokacije").findOne(
+        {
+            _id: locationID,
+            userId
+        },
+        {
+            projection
+        })
 
     if(!billLocation) {
         console.log(`Location ${locationID} not found`);