fix excel exports on publishers

pages/cart/publishers/index.tsx

@@ -197,20 +197,34 @@ function PublishersPage({ publishers = [] }: IProps) {
 
   const exportPublishers = async () => {
     try {
-      const response = await axiosInstance.get('/api/?action=exportPublishersExcel');
-      const blob = new Blob([response.data], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
+      const response = await axiosInstance.get('/api/?action=exportPublishersExcel', { responseType: 'arraybuffer' });
+
+      // Get filename from Content-Disposition header
+      const contentDisposition = response.headers['content-disposition'];
+      let filename = 'publishers.xlsx'; // default fallback
+      if (contentDisposition) {
+        const filenameMatch = contentDisposition.match(/filename=(.*?)(;|$)/);
+        if (filenameMatch) {
+          filename = decodeURI(filenameMatch[1]);
+        }
+      }
+
+      const blob = new Blob([response.data], {
+        type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+      });
       const url = window.URL.createObjectURL(blob);
       const a = document.createElement('a');
       a.href = url;
-      a.download = 'publishers.xlsx';
+      a.download = filename;
+      document.body.appendChild(a);
       a.click();
+      a.remove();
+      window.URL.revokeObjectURL(url); // Clean up
     } catch (error) {
-      console.error(JSON.stringify(error)); // Log the error
+      console.error(JSON.stringify(error));
       toast.error("Грешка при експорт на данни");
     }
-
   }
-
   return (
     <Layout>
       <ProtectedRoute allowedRoles={[UserRole.ADMIN, UserRole.POWERUSER]}>
@@ -245,7 +259,7 @@ function PublishersPage({ publishers = [] }: IProps) {
             </div>
             {/* export by calling excel helper .ExportPublishersToExcel() */}
             <div className="flex justify-center m-4">
-              <button className="btn" onClick={exportPublishers}>Export to Excel</button>
+              <button className="button m-2 btn btn-primary" onClick={exportPublishers}>Export to Excel</button>
             </div>
           </div>