fix excel exports on publishers

pages/api/index.ts

@@ -12,7 +12,7 @@ import fs from 'fs';
 import path from 'path';
 import { all } from "axios";
 import { logger } from "src/helpers/common";
-import { ExportPublishersToExcel } from "src/helpers/excel";
+import { generatePublishersExcel } from "src/helpers/excel";
 
 /**
  * 
@@ -435,9 +435,16 @@ export default async function handler(req, res) {
         res.status(200).json(await dataHelper.getAllPublishersWithStatisticsMonth(day, noEndDate));
       case "exportPublishersExcel":
         try {
-          await ExportPublishersToExcel(req, res);
+          const today = new Date();
+          const dateStr = today.toISOString().split('T')[0]; // Gets YYYY-MM-DD format
+
+          const excelBuffer = await generatePublishersExcel();
+          res.setHeader("Content-Type", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+          res.setHeader("Content-Disposition", "attachment; filename=" + encodeURI(`Publishers_${dateStr}.xlsx`));
+          res.send(excelBuffer);
         } catch (error) {
           console.error(JSON.stringify(error));
+          res.status(500).json({ error: "Failed to generate Excel file" });
         }
         break;
       default:

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>