fix(purchase): enhance handling of cart items for created and pending payment purchases

app/Domains/Sale/Services/AdminAppSaleService.php

@@ -151,7 +151,18 @@ class AdminAppSaleService
                 $filters['status'] ?? null,
                 fn (Builder $query, string $status): Builder => $query->where('status', $status)
             )
-            ->withSum('items as quantity', 'cantidad')
+            ->select('compras.*')
+            ->selectRaw(
+                'CASE WHEN compras.status IN (?, ?) '
+                .'THEN (SELECT COALESCE(SUM(cart_items.cantidad), 0) FROM carrito_items AS cart_items '
+                .'WHERE cart_items.cart_id = compras.cart_id) '
+                .'ELSE (SELECT COALESCE(SUM(purchase_items.cantidad), 0) FROM compra_items AS purchase_items '
+                .'WHERE purchase_items.compra_id = compras.id) END AS quantity',
+                [
+                    Purchase::STATUS_CREATED,
+                    Purchase::STATUS_PENDING_PAYMENT,
+                ],
+            )
             ->withCount('tickets')
             ->orderBy($sortColumns[$sortBy], $sortDirection)
             ->when($sortBy !== 'id', fn (Builder $query): Builder => $query->orderByDesc('id'));