excel file with students list

.prettierignore

@@ -0,0 +1 @@
+*.html

app/admin.py

@@ -1,10 +1,14 @@
 from django.apps import apps
 from django.contrib import admin
+from django.shortcuts import HttpResponse
 from django.contrib.admin.sites import AlreadyRegistered
 from django_summernote.admin import SummernoteModelAdmin
 from .models import Announcement, Edition, School, Student
 from django.db import transaction
 
+from io import BytesIO
+import xlsxwriter
+
 class AnnouncementModelAdmin(SummernoteModelAdmin):
     summernote_fields = ['content']
 
@@ -15,7 +19,7 @@ class EditionModelAdmin(admin.ModelAdmin):
     change_form_template = 'admin/edition_buttons.html'
 
     def response_change(self, request, obj):
-        if "_update-student-scores" in request.POST:
+        if '_update-student-scores' in request.POST:
             file = obj.scores.open(mode='r')
             content = filter(lambda x: x != '', file.read().split('\n'))
             file.close()
@@ -29,7 +33,7 @@ class EditionModelAdmin(admin.ModelAdmin):
 
                     Student.objects.filter(identifier=row[0]).update(score_first=row[1], score_second=row[2])
 
-        if "_update-disable-submissions" in request.POST and obj.active and obj.submissions:
+        if '_update-disable-submissions' in request.POST and obj.active and obj.submissions:
             if obj.active is True:
                 schools = School.objects.all()
 
@@ -40,7 +44,49 @@ class EditionModelAdmin(admin.ModelAdmin):
                     obj.submissions = False
                     obj.save()
 
-        return super().response_change(request, obj)
+        if '_generate-student-list' in request.POST:
+            year = obj.year
+            students = Student.objects.filter(identifier__startswith=year)
+            schools_set = {int(student.identifier.split('-')[1]) for student in students}
+
+            output = BytesIO()
+            workbook = xlsxwriter.Workbook(output)
+
+            worksheet = workbook.add_worksheet("Lista uczniów")
+
+            worksheet.write(0, 0, 'Identyfikator')
+            worksheet.write(0, 1, 'Wynik - eliminacje')
+            worksheet.write(0, 2, 'Wynik - finał')
+            worksheet.write(0, 3, 'Imię')
+            worksheet.write(0, 4, 'Nazwisko')
+            worksheet.write(0, 5, 'Klasa')
+            worksheet.write(0, 6, 'Szkoła - nazwa')
+            worksheet.write(0, 7, 'Szkoła - miejscowość')
+            worksheet.write(0, 8, 'Szkoła - adres')
+
+            row = 1
+            for school_id in schools_set:
+                for student in sorted(Student.objects.filter(identifier__startswith=f'{year}-{school_id}-'), key=lambda x: x.identifier.split('-')[2]):
+                    worksheet.write(row, 0, student.identifier)  # Identyfikator
+                    worksheet.write(row, 1, student.score_first)  # Wynik - eliminacje
+                    worksheet.write(row, 2, student.score_second)  # Wynik - finał
+                    worksheet.write(row, 3, student.name)  # Imię
+                    worksheet.write(row, 4, student.surname)  # Nazwisko
+                    worksheet.write(row, 5, student.grade)  # Klasa
+                    worksheet.write(row, 6, student.school_name)  # Szkoła - nazwa
+                    worksheet.write(row, 7, student.school_town)  # Szkoła - miejscowość
+                    worksheet.write(row, 8, student.school_address)  # Szkoła - adres
+
+                    row += 1
+
+            workbook.close()
+            xlsx_data = output.getvalue()
+
+            response = HttpResponse(content_type='application/vnd.ms-excel')
+            response['Content-Disposition'] = 'attachment; filename=Uczniowie.xlsx'
+            response.write(xlsx_data)
+
+            return response
 
 class StudentModelAdmin(admin.ModelAdmin):
     list_display = ('identifier', '__str__', 'grade')

app/templates/admin/edition_buttons.html

@@ -1,9 +1,20 @@
-{% extends 'admin/change_form.html' %}
-
-{% block submit_buttons_bottom %}
-  {{ block.super }}
-  <div class="submit-row">
-    <input type="submit" value="Zaktualizuj wyniki uczniów" name="_update-student-scores">
-    <input type="submit" value="Wyłącz zgłoszenia" name="_update-disable-submissions">
-  </div>
-{% endblock %}
+{% extends 'admin/change_form.html' %} {% block submit_buttons_bottom %}
+{{ block.super }}
+<div class="submit-row">
+  <input
+    type="submit"
+    value="Zaktualizuj wyniki uczniów"
+    name="_update-student-scores"
+  />
+  <input
+    type="submit"
+    value="Wygeneruj listę uczniów"
+    name="_generate-student-list"
+  />
+  <input
+    type="submit"
+    value="Wyłącz zgłoszenia"
+    name="_update-disable-submissions"
+  />
+</div>
+{% endblock %}

requirements.txt

@@ -1,7 +1,8 @@
-Django
+Django==3.2.5
 django-cleanup
 django-crispy-forms
 django-summernote
 django-crispy-bulma
 psycopg2-binary
 python-dotenv
+XlsxWriter