added group overview export

jdav_web/members/admin.py

@@ -7,6 +7,7 @@ import time
 import unicodedata
 import random
 import string
+import xlsxwriter
 from functools import partial, update_wrapper
 from django.forms.models import BaseInlineFormSet
 
@@ -28,6 +29,7 @@ from django.forms import Textarea, RadioSelect, TypedChoiceField, CheckboxInput
 from django.shortcuts import render
 from django.core.exceptions import PermissionDenied, ValidationError
 from .pdf import render_tex, fill_pdf_form, merge_pdfs, serve_pdf
+from .models import WEEKDAYS
 
 from contrib.admin import CommonAdminInlineMixin, CommonAdminMixin
 
@@ -44,6 +46,7 @@ from mailer.mailutils import send as send_mail, get_echo_link
 from django.conf import settings
 from utils import get_member, RestrictedFileField
 from schwifty import IBAN
+from .pdf import media_path
 
 #from easy_select2 import apply_select2
 
@@ -791,6 +794,7 @@ class GroupAdminForm(forms.ModelForm):
             self.fields['leiters'].queryset = Member.objects.filter(group__name='Jugendleiter')
 
 
+
 class GroupAdmin(CommonAdminMixin, admin.ModelAdmin):
     fields = ['name', 'description', 'year_from', 'year_to', 'leiters', 'contact_email', 'show_website',
         'weekday', ('start_time', 'end_time')]
@@ -798,6 +802,92 @@ class GroupAdmin(CommonAdminMixin, admin.ModelAdmin):
     list_display = ('name', 'year_from', 'year_to')
     inlines = [RegistrationPasswordInline, PermissionOnGroupInline]
     search_fields = ('name',)
+    
+    def get_urls(self):
+        urls = super().get_urls()
+        
+        def wrap(view):
+            def wrapper(*args, **kwargs):
+                return self.admin_site.admin_view(view)(*args, **kwargs)
+
+            wrapper.model_admin = self
+            return update_wrapper(wrapper, view)
+        
+        custom_urls = [
+            path('action/', self.action_view, name='members_group_action'),
+        ]
+        return custom_urls + urls
+    
+    def action_view(self, request):
+        if "group_overview" in request.POST:
+            return self.group_overview(request)
+
+    def group_overview(self, request):
+        
+        if not request.user.has_perm('members.view_group'):
+            messages.error(request,
+                _("You are not allowed to create a group overview."))
+            return HttpResponseRedirect(reverse('admin:%s_%s_changelist' % (self.opts.app_label, self.opts.model_name)))
+        
+        today = f"{datetime.today():%d.%m.%Y}"
+        filename = f"gruppenuebersicht_jdav_{settings.SEKTION}_{today}.xlsx"
+        workbook = xlsxwriter.Workbook(media_path(filename))
+        default = workbook.add_format({'text_wrap' : True, 'border': 1})
+        bold = workbook.add_format({'bold': True, 'border': 1})
+        title = workbook.add_format({'bold': True, 'font_size': 16, 'align': 'center'})
+        right = workbook.add_format({'bold': True, 'align': 'right'})
+        worksheet = workbook.add_worksheet()
+        
+        worksheet.merge_range(0, 0, 0, 6, _(f"group overview JDAV {settings.SEKTION}"), title)
+        row = 1
+        worksheet.write(row, 0, "Gruppe", bold)
+        worksheet.write(row, 1, "Wochentag", bold)
+        worksheet.write(row, 2, "Uhrzeit", bold)
+        worksheet.write(row, 3, "Altersgruppe", bold)
+        worksheet.write(row, 4, "TN", bold)
+        worksheet.write(row, 5, "JL", bold)
+        worksheet.write(row, 6, "Jugendleiter*innen", bold)
+
+        for group in self.model.objects.all():
+            # only official youth groups are on the website
+            if not group.show_website:
+                continue
+
+            row = row + 1
+            wd = f"{WEEKDAYS[group.weekday][1]}" if group.weekday else 'kein Wochentag'
+            times = f"{group.start_time:%H:%M} - {group.end_time:%H:%M}" if group.start_time and group.end_time else 'keine Zeiten'
+            yl_count = len([member for member in group.member_set.all() if member in group.leiters.all()])
+            tn_count = group.member_set.count() - yl_count
+            members = f"JG {group.year_from} - {group.year_to}"
+            leaders = f"{', '.join([yl.name for yl in group.leiters.all()])}"
+            
+            worksheet.write(row, 0, group.name, default)
+            worksheet.write(row, 1, wd, default)
+            worksheet.write(row, 2, times, default)
+            worksheet.write(row, 3, members, default)
+            worksheet.write(row, 4, tn_count, default)
+            worksheet.write(row, 5, yl_count, default)
+            worksheet.write(row, 6, leaders, default)
+        
+        worksheet.write(row+2, 6, f"Stand: {today}", right)
+        # set column width
+        worksheet.set_column_pixels(0, 0, 100)
+        worksheet.set_column_pixels(1, 1, 80)
+        worksheet.set_column_pixels(2, 2, 90)
+        worksheet.set_column_pixels(3, 3, 120)
+        worksheet.set_column_pixels(4, 4, 20)
+        worksheet.set_column_pixels(5, 5, 20)
+        worksheet.set_column_pixels(6, 6, 140)
+        workbook.close()
+        
+        with open(media_path(filename), 'rb') as xls:
+            response = HttpResponse(FileWrapper(xls))
+            response['Content-Type'] = 'application/xlsx'
+            response['Content-Disposition'] = 'attachment; filename='+filename
+
+        return response
+    
+    
 
 
 class ActivityCategoryAdmin(admin.ModelAdmin):

jdav_web/templates/admin/members/group/change_list.html

@@ -0,0 +1,15 @@
+{% extends "admin/change_list.html" %}
+{% load i18n admin_urls %}
+
+{% block object-tools-items %}
+
+<li>
+    <form method="post" action="{% url 'admin:members_group_action' %}">
+        {% csrf_token %}
+        <input type="submit" name="group_overview" value="{% trans 'Generate group overview' %}">
+    </form>
+</li>
+{{block.super}}
+
+{% endblock %}
+