mongo projekcija proširena property-em "hasAttachment"

app/lib/actions/locationActions.ts

@@ -110,13 +110,32 @@ export const fetchAllLocations = withUser(async (user:AuthenticatedUser, year:nu
 
     // fetch all locations for the given year
     const locations = await dbClient.collection<BillingLocation>("lokacije")
-        .find(
+        .aggregate([
             {
+                $match: {
                     userId,
                     "yearMonth.year": year,
                 },
+            },
             {
-                projection: {
+                $addFields: {
+                    bills: {
+                        $map: {
+                            input: "$bills",
+                            as: "bill",
+                            in: {
+                                _id: "$$bill._id",
+                                name: "$$bill.name",
+                                paid: "$$bill.paid",
+                                payedAmount: "$$bill.payedAmount",
+                                hasAttachment: { $ne: ["$$bill.attachment", null] },
+                            },
+                        },
+                    },
+                },
+            },
+            {
+                $project: {
                     "_id": 1,
                     // "userId": 0,
                     // "userEmail": 0,
@@ -130,17 +149,20 @@ export const fetchAllLocations = withUser(async (user:AuthenticatedUser, year:nu
                     "bills.name": 1,
                     "bills.paid": 1,
                     "bills.payedAmount": 1,
+                    "bills.hasAttachment": 1,
                     // "bills.attachment": 0,
                     // "bills.notes": 0,
                     // "bills.barcodeImage": 1,
                 },
-            }
+            },
-        )
+            {
-        .sort({ 
+                $sort: {
                     "yearMonth.year": -1,
                     "yearMonth.month": -1,
                     name: 1,
-        })
+                },
+            },
+        ])
         .toArray();
 
     return(locations)

app/lib/db-types.ts

@@ -42,6 +42,11 @@ export interface Bill {
     payedAmount?: number | null;
     /** attached document (optional) */
     attachment?: BillAttachment|null;
+    /**
+     * true if there an attachment
+     * @description this field enables us to send this info to the client without sending large attachment - it's an optimization
+    */
+    hasAttachment: boolean;
     /** (optional) notes */
     notes?: string|null;
     /** (optional) image data containing PDF471 bar code */

app/ui/BillBadge.tsx

@@ -7,7 +7,7 @@ export interface BillBadgeProps {
     bill: Bill
 };
 
-export const BillBadge:FC<BillBadgeProps> = ({ locationId, bill: { _id: billId, name, paid, attachment }}) =>
+export const BillBadge:FC<BillBadgeProps> = ({ locationId, bill: { _id: billId, name, paid, hasAttachment }}) =>
-<Link href={`/bill/${locationId}-${billId}/edit`} className={`badge badge-lg ${paid?"badge-success":" badge-outline"} ${ !paid && !!attachment ? "btn-outline btn-success" : "" }  cursor-pointer`}>
+<Link href={`/bill/${locationId}-${billId}/edit`} className={`badge badge-lg ${paid?"badge-success":" badge-outline"} ${ !paid && hasAttachment ? "btn-outline btn-success" : "" }  cursor-pointer`}>
     {name}
 </Link>;