[feat] excel download

backend/project/api/users/views.py

@@ -8,6 +8,10 @@ from rest_framework.viewsets import ModelViewSet
 from api.events.models import Event
 from api.users.models import User
 from api.users.serializers import UserSerializer
+from django.http import HttpResponse
+from rest_framework.views import APIView
+from rest_framework.response import Response
+import pandas as pd
 
 
 class UserViewSet(ModelViewSet):
@@ -55,3 +59,42 @@ class RegisterUsersFromExcelView(APIView):
             return Response(
                 {"error": str(e)}, status=status.HTTP_400_BAD_REQUEST
             )
+
+
+class ExportUsersExcel(APIView):
+    def get(self, request, event_id):
+        event = Event.objects.get(id=event_id)
+
+        users = event.users.all()
+
+        users_data = {
+            "First Name": [user.first_name for user in users],
+            "Last Name": [user.last_name for user in users],
+            "Email": [user.email for user in users],
+            "Birth Date": [
+                user.birth_date.strftime("%Y-%m-%d") for user in users
+            ],
+            "Bio": [user.bio for user in users],
+        }
+        df = pd.DataFrame(users_data)
+
+        excel_file = pd.ExcelWriter("event_users.xlsx", engine="xlsxwriter")
+        df.to_excel(excel_file, index=False, sheet_name="Users")
+        excel_file.save()
+
+        with open("event_users.xlsx", "rb") as excel:
+            content = excel.read()
+
+        # Удаляем созданный временный файл
+        import os
+
+        os.remove("event_users.xlsx")
+
+        # Отправляем Excel файл как HttpResponse
+        response = HttpResponse(
+            content, content_type="application/vnd.ms-excel"
+        )
+        response[
+            "Content-Disposition"
+        ] = 'attachment; filename="event_users.xlsx"'
+        return response