AKModel/migrations/0024_event_dependencies.py

+# Generated by Django 2.2.6 on 2019-10-25 13:44
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+from AKModel.models import AKCategory, Event, AKTrack
+
+
+def migrate_data_forward(apps, schema_editor):
+    for instance in AKCategory.objects.only('event').all():
+        if not instance.event:
+            instance.event = Event.objects.filter(active=True).last()
+        instance.save()
+
+    for instance in AKTrack.objects.only('event').all():
+        if not instance.event:
+            instance.event = Event.objects.filter(active=True).last()
+        instance.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('AKModel', '0023_event_default_slot'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='akcategory',
+            name='event',
+            field=models.ForeignKey(help_text='Associated event', null=True,
+                                    on_delete=django.db.models.deletion.CASCADE, to='AKModel.Event',
+                                    verbose_name='Event'),
+        ),
+        migrations.AddField(
+            model_name='aktrack',
+            name='event',
+            field=models.ForeignKey(help_text='Associated event', null=True,
+                                    on_delete=django.db.models.deletion.CASCADE, to='AKModel.Event',
+                                    verbose_name='Event'),
+        ),
+
+        migrations.RunPython(
+            migrate_data_forward,
+            reverse_code=migrations.RunPython.noop,
+        ),
+
+        migrations.AlterField(
+            model_name='akcategory',
+            name='event',
+            field=models.ForeignKey(help_text='Associated event',
+                                    on_delete=django.db.models.deletion.CASCADE, to='AKModel.Event',
+                                    verbose_name='Event'),
+        ),
+        migrations.AlterField(
+            model_name='aktrack',
+            name='event',
+            field=models.ForeignKey(help_text='Associated event',
+                                    on_delete=django.db.models.deletion.CASCADE, to='AKModel.Event',
+                                    verbose_name='Event'),
+        ),
+    ]

AKModel/migrations/0025_contact_email.py

+# Generated by Django 2.2.6 on 2019-10-28 17:40
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0024_event_dependencies'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='event',
+            name='contact_email',
+            field=models.EmailField(blank=True, help_text='An email address that is displayed on every page and can be used for all kinds of questions', max_length=254, verbose_name='Contact email address'),
+        ),
+    ]

AKModel/migrations/0026_akslot_updated.py

+# Generated by Django 2.2.6 on 2019-10-31 00:02
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('AKModel', '0025_contact_email'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='akslot',
+            name='updated',
+            field=models.DateTimeField(auto_now=True, verbose_name='Last update'),
+        ),
+    ]

AKModel/migrations/0027_event_timezone.py

+# Generated by Django 2.2.6 on 2020-03-01 14:13
+
+from django.db import migrations
+import timezone_field.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0026_akslot_updated'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='event',
+            name='timezone',
+            field=timezone_field.fields.TimeZoneField(choices=[('Pacific/Apia', 'GMT-11:00 Pacific/Apia'), ('Pacific/Fakaofo', 'GMT-11:00 Pacific/Fakaofo'), ('Pacific/Midway', 'GMT-11:00 Pacific/Midway'), ('Pacific/Niue', 'GMT-11:00 Pacific/Niue'), ('Pacific/Pago_Pago', 'GMT-11:00 Pacific/Pago Pago'), ('America/Adak', 'GMT-10:00 America/Adak'), ('Pacific/Honolulu', 'GMT-10:00 Pacific/Honolulu'), ('Pacific/Rarotonga', 'GMT-10:00 Pacific/Rarotonga'), ('Pacific/Tahiti', 'GMT-10:00 Pacific/Tahiti'), ('US/Hawaii', 'GMT-10:00 US/Hawaii'), ('Pacific/Marquesas', 'GMT-09:00 Pacific/Marquesas'), ('America/Anchorage', 'GMT-09:00 America/Anchorage'), ('America/Juneau', 'GMT-09:00 America/Juneau'), ('America/Nome', 'GMT-09:00 America/Nome'), ('America/Sitka', 'GMT-09:00 America/Sitka'), ('America/Yakutat', 'GMT-09:00 America/Yakutat'), ('Pacific/Gambier', 'GMT-09:00 Pacific/Gambier'), ('US/Alaska', 'GMT-09:00 US/Alaska'), ('America/Dawson', 'GMT-08:00 America/Dawson'), ('America/Fort_Nelson', 'GMT-08:00 America/Fort Nelson'), ('America/Los_Angeles', 'GMT-08:00 America/Los Angeles'), ('America/Metlakatla', 'GMT-08:00 America/Metlakatla'), ('America/Tijuana', 'GMT-08:00 America/Tijuana'), ('America/Vancouver', 'GMT-08:00 America/Vancouver'), ('America/Whitehorse', 'GMT-08:00 America/Whitehorse'), ('Canada/Pacific', 'GMT-08:00 Canada/Pacific'), ('Pacific/Pitcairn', 'GMT-08:00 Pacific/Pitcairn'), ('US/Pacific', 'GMT-08:00 US/Pacific'), ('America/Bahia_Banderas', 'GMT-07:00 America/Bahia Banderas'), ('America/Boise', 'GMT-07:00 America/Boise'), ('America/Chihuahua', 'GMT-07:00 America/Chihuahua'), ('America/Creston', 'GMT-07:00 America/Creston'), ('America/Dawson_Creek', 'GMT-07:00 America/Dawson Creek'), ('America/Denver', 'GMT-07:00 America/Denver'), ('America/Edmonton', 'GMT-07:00 America/Edmonton'), ('America/Hermosillo', 'GMT-07:00 America/Hermosillo'), ('America/Inuvik', 'GMT-07:00 America/Inuvik'), ('America/Mazatlan', 'GMT-07:00 America/Mazatlan'), ('America/North_Dakota/Beulah', 'GMT-07:00 America/North Dakota/Beulah'), ('America/North_Dakota/New_Salem', 'GMT-07:00 America/North Dakota/New Salem'), ('America/Ojinaga', 'GMT-07:00 America/Ojinaga'), ('America/Phoenix', 'GMT-07:00 America/Phoenix'), ('America/Yellowknife', 'GMT-07:00 America/Yellowknife'), ('Canada/Mountain', 'GMT-07:00 Canada/Mountain'), ('US/Arizona', 'GMT-07:00 US/Arizona'), ('US/Mountain', 'GMT-07:00 US/Mountain'), ('America/Belize', 'GMT-06:00 America/Belize'), ('America/Cambridge_Bay', 'GMT-06:00 America/Cambridge Bay'), ('America/Cancun', 'GMT-06:00 America/Cancun'), ('America/Chicago', 'GMT-06:00 America/Chicago'), ('America/Costa_Rica', 'GMT-06:00 America/Costa Rica'), ('America/El_Salvador', 'GMT-06:00 America/El Salvador'), ('America/Guatemala', 'GMT-06:00 America/Guatemala'), ('America/Iqaluit', 'GMT-06:00 America/Iqaluit'), ('America/Kentucky/Monticello', 'GMT-06:00 America/Kentucky/Monticello'), ('America/Managua', 'GMT-06:00 America/Managua'), ('America/Matamoros', 'GMT-06:00 America/Matamoros'), ('America/Menominee', 'GMT-06:00 America/Menominee'), ('America/Merida', 'GMT-06:00 America/Merida'), ('America/Mexico_City', 'GMT-06:00 America/Mexico City'), ('America/Monterrey', 'GMT-06:00 America/Monterrey'), ('America/North_Dakota/Center', 'GMT-06:00 America/North Dakota/Center'), ('America/Pangnirtung', 'GMT-06:00 America/Pangnirtung'), ('America/Rainy_River', 'GMT-06:00 America/Rainy River'), ('America/Rankin_Inlet', 'GMT-06:00 America/Rankin Inlet'), ('America/Regina', 'GMT-06:00 America/Regina'), ('America/Resolute', 'GMT-06:00 America/Resolute'), ('America/Swift_Current', 'GMT-06:00 America/Swift Current'), ('America/Tegucigalpa', 'GMT-06:00 America/Tegucigalpa'), ('America/Winnipeg', 'GMT-06:00 America/Winnipeg'), ('Canada/Central', 'GMT-06:00 Canada/Central'), ('Pacific/Galapagos', 'GMT-06:00 Pacific/Galapagos'), ('US/Central', 'GMT-06:00 US/Central'), ('America/Atikokan', 'GMT-05:00 America/Atikokan'), ('America/Bogota', 'GMT-05:00 America/Bogota'), ('America/Cayman', 'GMT-05:00 America/Cayman'), ('America/Detroit', 'GMT-05:00 America/Detroit'), ('America/Eirunepe', 'GMT-05:00 America/Eirunepe'), ('America/Grand_Turk', 'GMT-05:00 America/Grand Turk'), ('America/Guayaquil', 'GMT-05:00 America/Guayaquil'), ('America/Havana', 'GMT-05:00 America/Havana'), ('America/Indiana/Indianapolis', 'GMT-05:00 America/Indiana/Indianapolis'), ('America/Indiana/Knox', 'GMT-05:00 America/Indiana/Knox'), ('America/Indiana/Marengo', 'GMT-05:00 America/Indiana/Marengo'), ('America/Indiana/Petersburg', 'GMT-05:00 America/Indiana/Petersburg'), ('America/Indiana/Tell_City', 'GMT-05:00 America/Indiana/Tell City'), ('America/Indiana/Vevay', 'GMT-05:00 America/Indiana/Vevay'), ('America/Indiana/Vincennes', 'GMT-05:00 America/Indiana/Vincennes'), ('America/Indiana/Winamac', 'GMT-05:00 America/Indiana/Winamac'), ('America/Jamaica', 'GMT-05:00 America/Jamaica'), ('America/Kentucky/Louisville', 'GMT-05:00 America/Kentucky/Louisville'), ('America/Lima', 'GMT-05:00 America/Lima'), ('America/Nassau', 'GMT-05:00 America/Nassau'), ('America/New_York', 'GMT-05:00 America/New York'), ('America/Nipigon', 'GMT-05:00 America/Nipigon'), ('America/Panama', 'GMT-05:00 America/Panama'), ('America/Port-au-Prince', 'GMT-05:00 America/Port-au-Prince'), ('America/Rio_Branco', 'GMT-05:00 America/Rio Branco'), ('America/Thunder_Bay', 'GMT-05:00 America/Thunder Bay'), ('America/Toronto', 'GMT-05:00 America/Toronto'), ('Canada/Eastern', 'GMT-05:00 Canada/Eastern'), ('Pacific/Easter', 'GMT-05:00 Pacific/Easter'), ('US/Eastern', 'GMT-05:00 US/Eastern'), ('America/Anguilla', 'GMT-04:00 America/Anguilla'), ('America/Antigua', 'GMT-04:00 America/Antigua'), ('America/Aruba', 'GMT-04:00 America/Aruba'), ('America/Barbados', 'GMT-04:00 America/Barbados'), ('America/Blanc-Sablon', 'GMT-04:00 America/Blanc-Sablon'), ('America/Caracas', 'GMT-04:00 America/Caracas'), ('America/Curacao', 'GMT-04:00 America/Curacao'), ('America/Dominica', 'GMT-04:00 America/Dominica'), ('America/Glace_Bay', 'GMT-04:00 America/Glace Bay'), ('America/Goose_Bay', 'GMT-04:00 America/Goose Bay'), ('America/Grenada', 'GMT-04:00 America/Grenada'), ('America/Guadeloupe', 'GMT-04:00 America/Guadeloupe'), ('America/Guyana', 'GMT-04:00 America/Guyana'), ('America/Halifax', 'GMT-04:00 America/Halifax'), ('America/Kralendijk', 'GMT-04:00 America/Kralendijk'), ('America/La_Paz', 'GMT-04:00 America/La Paz'), ('America/Lower_Princes', 'GMT-04:00 America/Lower Princes'), ('America/Manaus', 'GMT-04:00 America/Manaus'), ('America/Marigot', 'GMT-04:00 America/Marigot'), ('America/Martinique', 'GMT-04:00 America/Martinique'), ('America/Moncton', 'GMT-04:00 America/Moncton'), ('America/Montserrat', 'GMT-04:00 America/Montserrat'), ('America/Port_of_Spain', 'GMT-04:00 America/Port of Spain'), ('America/Porto_Velho', 'GMT-04:00 America/Porto Velho'), ('America/Puerto_Rico', 'GMT-04:00 America/Puerto Rico'), ('America/Santarem', 'GMT-04:00 America/Santarem'), ('America/Santo_Domingo', 'GMT-04:00 America/Santo Domingo'), ('America/St_Barthelemy', 'GMT-04:00 America/St Barthelemy'), ('America/St_Kitts', 'GMT-04:00 America/St Kitts'), ('America/St_Lucia', 'GMT-04:00 America/St Lucia'), ('America/St_Thomas', 'GMT-04:00 America/St Thomas'), ('America/St_Vincent', 'GMT-04:00 America/St Vincent'), ('America/Thule', 'GMT-04:00 America/Thule'), ('America/Tortola', 'GMT-04:00 America/Tortola'), ('Atlantic/Bermuda', 'GMT-04:00 Atlantic/Bermuda'), ('Canada/Atlantic', 'GMT-04:00 Canada/Atlantic'), ('America/St_Johns', 'GMT-03:00 America/St Johns'), ('Canada/Newfoundland', 'GMT-03:00 Canada/Newfoundland'), ('America/Argentina/Buenos_Aires', 'GMT-03:00 America/Argentina/Buenos Aires'), ('America/Argentina/Catamarca', 'GMT-03:00 America/Argentina/Catamarca'), ('America/Argentina/Cordoba', 'GMT-03:00 America/Argentina/Cordoba'), ('America/Argentina/Jujuy', 'GMT-03:00 America/Argentina/Jujuy'), ('America/Argentina/La_Rioja', 'GMT-03:00 America/Argentina/La Rioja'), ('America/Argentina/Mendoza', 'GMT-03:00 America/Argentina/Mendoza'), ('America/Argentina/Rio_Gallegos', 'GMT-03:00 America/Argentina/Rio Gallegos'), ('America/Argentina/Salta', 'GMT-03:00 America/Argentina/Salta'), ('America/Argentina/San_Juan', 'GMT-03:00 America/Argentina/San Juan'), ('America/Argentina/San_Luis', 'GMT-03:00 America/Argentina/San Luis'), ('America/Argentina/Tucuman', 'GMT-03:00 America/Argentina/Tucuman'), ('America/Argentina/Ushuaia', 'GMT-03:00 America/Argentina/Ushuaia'), ('America/Asuncion', 'GMT-03:00 America/Asuncion'), ('America/Belem', 'GMT-03:00 America/Belem'), ('America/Boa_Vista', 'GMT-03:00 America/Boa Vista'), ('America/Campo_Grande', 'GMT-03:00 America/Campo Grande'), ('America/Cayenne', 'GMT-03:00 America/Cayenne'), ('America/Cuiaba', 'GMT-03:00 America/Cuiaba'), ('America/Godthab', 'GMT-03:00 America/Godthab'), ('America/Miquelon', 'GMT-03:00 America/Miquelon'), ('America/Montevideo', 'GMT-03:00 America/Montevideo'), ('America/Paramaribo', 'GMT-03:00 America/Paramaribo'), ('America/Punta_Arenas', 'GMT-03:00 America/Punta Arenas'), ('America/Santiago', 'GMT-03:00 America/Santiago'), ('Antarctica/Palmer', 'GMT-03:00 Antarctica/Palmer'), ('Antarctica/Rothera', 'GMT-03:00 Antarctica/Rothera'), ('Atlantic/Stanley', 'GMT-03:00 Atlantic/Stanley'), ('America/Araguaina', 'GMT-02:00 America/Araguaina'), ('America/Bahia', 'GMT-02:00 America/Bahia'), ('America/Fortaleza', 'GMT-02:00 America/Fortaleza'), ('America/Maceio', 'GMT-02:00 America/Maceio'), ('America/Recife', 'GMT-02:00 America/Recife'), ('America/Sao_Paulo', 'GMT-02:00 America/Sao Paulo'), ('Atlantic/South_Georgia', 'GMT-02:00 Atlantic/South Georgia'), ('America/Noronha', 'GMT-01:00 America/Noronha'), ('America/Scoresbysund', 'GMT-01:00 America/Scoresbysund'), ('Atlantic/Azores', 'GMT-01:00 Atlantic/Azores'), ('Atlantic/Cape_Verde', 'GMT-01:00 Atlantic/Cape Verde'), ('Africa/Abidjan', 'GMT+00:00 Africa/Abidjan'), ('Africa/Accra', 'GMT+00:00 Africa/Accra'), ('Africa/Bamako', 'GMT+00:00 Africa/Bamako'), ('Africa/Banjul', 'GMT+00:00 Africa/Banjul'), ('Africa/Bissau', 'GMT+00:00 Africa/Bissau'), ('Africa/Casablanca', 'GMT+00:00 Africa/Casablanca'), ('Africa/Conakry', 'GMT+00:00 Africa/Conakry'), ('Africa/Dakar', 'GMT+00:00 Africa/Dakar'), ('Africa/El_Aaiun', 'GMT+00:00 Africa/El Aaiun'), ('Africa/Freetown', 'GMT+00:00 Africa/Freetown'), ('Africa/Lome', 'GMT+00:00 Africa/Lome'), ('Africa/Monrovia', 'GMT+00:00 Africa/Monrovia'), ('Africa/Nouakchott', 'GMT+00:00 Africa/Nouakchott'), ('Africa/Ouagadougou', 'GMT+00:00 Africa/Ouagadougou'), ('Africa/Sao_Tome', 'GMT+00:00 Africa/Sao Tome'), ('America/Danmarkshavn', 'GMT+00:00 America/Danmarkshavn'), ('Antarctica/Troll', 'GMT+00:00 Antarctica/Troll'), ('Atlantic/Canary', 'GMT+00:00 Atlantic/Canary'), ('Atlantic/Faroe', 'GMT+00:00 Atlantic/Faroe'), ('Atlantic/Madeira', 'GMT+00:00 Atlantic/Madeira'), ('Atlantic/Reykjavik', 'GMT+00:00 Atlantic/Reykjavik'), ('Atlantic/St_Helena', 'GMT+00:00 Atlantic/St Helena'), ('Europe/Dublin', 'GMT+00:00 Europe/Dublin'), ('Europe/Guernsey', 'GMT+00:00 Europe/Guernsey'), ('Europe/Isle_of_Man', 'GMT+00:00 Europe/Isle of Man'), ('Europe/Jersey', 'GMT+00:00 Europe/Jersey'), ('Europe/Lisbon', 'GMT+00:00 Europe/Lisbon'), ('Europe/London', 'GMT+00:00 Europe/London'), ('GMT', 'GMT+00:00 GMT'), ('UTC', 'GMT+00:00 UTC'), ('Africa/Algiers', 'GMT+01:00 Africa/Algiers'), ('Africa/Bangui', 'GMT+01:00 Africa/Bangui'), ('Africa/Brazzaville', 'GMT+01:00 Africa/Brazzaville'), ('Africa/Ceuta', 'GMT+01:00 Africa/Ceuta'), ('Africa/Douala', 'GMT+01:00 Africa/Douala'), ('Africa/Kinshasa', 'GMT+01:00 Africa/Kinshasa'), ('Africa/Lagos', 'GMT+01:00 Africa/Lagos'), ('Africa/Libreville', 'GMT+01:00 Africa/Libreville'), ('Africa/Luanda', 'GMT+01:00 Africa/Luanda'), ('Africa/Malabo', 'GMT+01:00 Africa/Malabo'), ('Africa/Ndjamena', 'GMT+01:00 Africa/Ndjamena'), ('Africa/Niamey', 'GMT+01:00 Africa/Niamey'), ('Africa/Porto-Novo', 'GMT+01:00 Africa/Porto-Novo'), ('Africa/Tunis', 'GMT+01:00 Africa/Tunis'), ('Arctic/Longyearbyen', 'GMT+01:00 Arctic/Longyearbyen'), ('Europe/Amsterdam', 'GMT+01:00 Europe/Amsterdam'), ('Europe/Andorra', 'GMT+01:00 Europe/Andorra'), ('Europe/Belgrade', 'GMT+01:00 Europe/Belgrade'), ('Europe/Berlin', 'GMT+01:00 Europe/Berlin'), ('Europe/Bratislava', 'GMT+01:00 Europe/Bratislava'), ('Europe/Brussels', 'GMT+01:00 Europe/Brussels'), ('Europe/Budapest', 'GMT+01:00 Europe/Budapest'), ('Europe/Busingen', 'GMT+01:00 Europe/Busingen'), ('Europe/Copenhagen', 'GMT+01:00 Europe/Copenhagen'), ('Europe/Gibraltar', 'GMT+01:00 Europe/Gibraltar'), ('Europe/Ljubljana', 'GMT+01:00 Europe/Ljubljana'), ('Europe/Luxembourg', 'GMT+01:00 Europe/Luxembourg'), ('Europe/Madrid', 'GMT+01:00 Europe/Madrid'), ('Europe/Malta', 'GMT+01:00 Europe/Malta'), ('Europe/Monaco', 'GMT+01:00 Europe/Monaco'), ('Europe/Oslo', 'GMT+01:00 Europe/Oslo'), ('Europe/Paris', 'GMT+01:00 Europe/Paris'), ('Europe/Podgorica', 'GMT+01:00 Europe/Podgorica'), ('Europe/Prague', 'GMT+01:00 Europe/Prague'), ('Europe/Rome', 'GMT+01:00 Europe/Rome'), ('Europe/San_Marino', 'GMT+01:00 Europe/San Marino'), ('Europe/Sarajevo', 'GMT+01:00 Europe/Sarajevo'), ('Europe/Skopje', 'GMT+01:00 Europe/Skopje'), ('Europe/Stockholm', 'GMT+01:00 Europe/Stockholm'), ('Europe/Tirane', 'GMT+01:00 Europe/Tirane'), ('Europe/Vaduz', 'GMT+01:00 Europe/Vaduz'), ('Europe/Vatican', 'GMT+01:00 Europe/Vatican'), ('Europe/Vienna', 'GMT+01:00 Europe/Vienna'), ('Europe/Warsaw', 'GMT+01:00 Europe/Warsaw'), ('Europe/Zagreb', 'GMT+01:00 Europe/Zagreb'), ('Europe/Zurich', 'GMT+01:00 Europe/Zurich'), ('Africa/Blantyre', 'GMT+02:00 Africa/Blantyre'), ('Africa/Bujumbura', 'GMT+02:00 Africa/Bujumbura'), ('Africa/Cairo', 'GMT+02:00 Africa/Cairo'), ('Africa/Gaborone', 'GMT+02:00 Africa/Gaborone'), ('Africa/Harare', 'GMT+02:00 Africa/Harare'), ('Africa/Johannesburg', 'GMT+02:00 Africa/Johannesburg'), ('Africa/Juba', 'GMT+02:00 Africa/Juba'), ('Africa/Khartoum', 'GMT+02:00 Africa/Khartoum'), ('Africa/Kigali', 'GMT+02:00 Africa/Kigali'), ('Africa/Lubumbashi', 'GMT+02:00 Africa/Lubumbashi'), ('Africa/Lusaka', 'GMT+02:00 Africa/Lusaka'), ('Africa/Maputo', 'GMT+02:00 Africa/Maputo'), ('Africa/Maseru', 'GMT+02:00 Africa/Maseru'), ('Africa/Mbabane', 'GMT+02:00 Africa/Mbabane'), ('Africa/Tripoli', 'GMT+02:00 Africa/Tripoli'), ('Africa/Windhoek', 'GMT+02:00 Africa/Windhoek'), ('Asia/Amman', 'GMT+02:00 Asia/Amman'), ('Asia/Beirut', 'GMT+02:00 Asia/Beirut'), ('Asia/Damascus', 'GMT+02:00 Asia/Damascus'), ('Asia/Famagusta', 'GMT+02:00 Asia/Famagusta'), ('Asia/Gaza', 'GMT+02:00 Asia/Gaza'), ('Asia/Hebron', 'GMT+02:00 Asia/Hebron'), ('Asia/Jerusalem', 'GMT+02:00 Asia/Jerusalem'), ('Asia/Nicosia', 'GMT+02:00 Asia/Nicosia'), ('Europe/Athens', 'GMT+02:00 Europe/Athens'), ('Europe/Bucharest', 'GMT+02:00 Europe/Bucharest'), ('Europe/Chisinau', 'GMT+02:00 Europe/Chisinau'), ('Europe/Helsinki', 'GMT+02:00 Europe/Helsinki'), ('Europe/Istanbul', 'GMT+02:00 Europe/Istanbul'), ('Europe/Kaliningrad', 'GMT+02:00 Europe/Kaliningrad'), ('Europe/Kiev', 'GMT+02:00 Europe/Kiev'), ('Europe/Mariehamn', 'GMT+02:00 Europe/Mariehamn'), ('Europe/Minsk', 'GMT+02:00 Europe/Minsk'), ('Europe/Riga', 'GMT+02:00 Europe/Riga'), ('Europe/Simferopol', 'GMT+02:00 Europe/Simferopol'), ('Europe/Sofia', 'GMT+02:00 Europe/Sofia'), ('Europe/Tallinn', 'GMT+02:00 Europe/Tallinn'), ('Europe/Uzhgorod', 'GMT+02:00 Europe/Uzhgorod'), ('Europe/Vilnius', 'GMT+02:00 Europe/Vilnius'), ('Europe/Zaporozhye', 'GMT+02:00 Europe/Zaporozhye'), ('Africa/Addis_Ababa', 'GMT+03:00 Africa/Addis Ababa'), ('Africa/Asmara', 'GMT+03:00 Africa/Asmara'), ('Africa/Dar_es_Salaam', 'GMT+03:00 Africa/Dar es Salaam'), ('Africa/Djibouti', 'GMT+03:00 Africa/Djibouti'), ('Africa/Kampala', 'GMT+03:00 Africa/Kampala'), ('Africa/Mogadishu', 'GMT+03:00 Africa/Mogadishu'), ('Africa/Nairobi', 'GMT+03:00 Africa/Nairobi'), ('Antarctica/Syowa', 'GMT+03:00 Antarctica/Syowa'), ('Asia/Aden', 'GMT+03:00 Asia/Aden'), ('Asia/Baghdad', 'GMT+03:00 Asia/Baghdad'), ('Asia/Bahrain', 'GMT+03:00 Asia/Bahrain'), ('Asia/Kuwait', 'GMT+03:00 Asia/Kuwait'), ('Asia/Qatar', 'GMT+03:00 Asia/Qatar'), ('Asia/Riyadh', 'GMT+03:00 Asia/Riyadh'), ('Europe/Astrakhan', 'GMT+03:00 Europe/Astrakhan'), ('Europe/Kirov', 'GMT+03:00 Europe/Kirov'), ('Europe/Moscow', 'GMT+03:00 Europe/Moscow'), ('Europe/Saratov', 'GMT+03:00 Europe/Saratov'), ('Europe/Ulyanovsk', 'GMT+03:00 Europe/Ulyanovsk'), ('Europe/Volgograd', 'GMT+03:00 Europe/Volgograd'), ('Indian/Antananarivo', 'GMT+03:00 Indian/Antananarivo'), ('Indian/Comoro', 'GMT+03:00 Indian/Comoro'), ('Indian/Mayotte', 'GMT+03:00 Indian/Mayotte'), ('Asia/Tehran', 'GMT+03:00 Asia/Tehran'), ('Asia/Aqtau', 'GMT+04:00 Asia/Aqtau'), ('Asia/Atyrau', 'GMT+04:00 Asia/Atyrau'), ('Asia/Baku', 'GMT+04:00 Asia/Baku'), ('Asia/Dubai', 'GMT+04:00 Asia/Dubai'), ('Asia/Muscat', 'GMT+04:00 Asia/Muscat'), ('Asia/Oral', 'GMT+04:00 Asia/Oral'), ('Asia/Tbilisi', 'GMT+04:00 Asia/Tbilisi'), ('Asia/Yerevan', 'GMT+04:00 Asia/Yerevan'), ('Europe/Samara', 'GMT+04:00 Europe/Samara'), ('Indian/Mahe', 'GMT+04:00 Indian/Mahe'), ('Indian/Mauritius', 'GMT+04:00 Indian/Mauritius'), ('Indian/Reunion', 'GMT+04:00 Indian/Reunion'), ('Asia/Kabul', 'GMT+04:00 Asia/Kabul'), ('Asia/Aqtobe', 'GMT+05:00 Asia/Aqtobe'), ('Asia/Ashgabat', 'GMT+05:00 Asia/Ashgabat'), ('Asia/Bishkek', 'GMT+05:00 Asia/Bishkek'), ('Asia/Dushanbe', 'GMT+05:00 Asia/Dushanbe'), ('Asia/Karachi', 'GMT+05:00 Asia/Karachi'), ('Asia/Qostanay', 'GMT+05:00 Asia/Qostanay'), ('Asia/Qyzylorda', 'GMT+05:00 Asia/Qyzylorda'), ('Asia/Samarkand', 'GMT+05:00 Asia/Samarkand'), ('Asia/Tashkent', 'GMT+05:00 Asia/Tashkent'), ('Asia/Yekaterinburg', 'GMT+05:00 Asia/Yekaterinburg'), ('Indian/Kerguelen', 'GMT+05:00 Indian/Kerguelen'), ('Indian/Maldives', 'GMT+05:00 Indian/Maldives'), ('Asia/Kolkata', 'GMT+05:00 Asia/Kolkata'), ('Asia/Kathmandu', 'GMT+05:00 Asia/Kathmandu'), ('Antarctica/Mawson', 'GMT+06:00 Antarctica/Mawson'), ('Antarctica/Vostok', 'GMT+06:00 Antarctica/Vostok'), ('Asia/Almaty', 'GMT+06:00 Asia/Almaty'), ('Asia/Barnaul', 'GMT+06:00 Asia/Barnaul'), ('Asia/Colombo', 'GMT+06:00 Asia/Colombo'), ('Asia/Dhaka', 'GMT+06:00 Asia/Dhaka'), ('Asia/Novosibirsk', 'GMT+06:00 Asia/Novosibirsk'), ('Asia/Omsk', 'GMT+06:00 Asia/Omsk'), ('Asia/Thimphu', 'GMT+06:00 Asia/Thimphu'), ('Asia/Urumqi', 'GMT+06:00 Asia/Urumqi'), ('Indian/Chagos', 'GMT+06:00 Indian/Chagos'), ('Asia/Yangon', 'GMT+06:00 Asia/Yangon'), ('Indian/Cocos', 'GMT+06:00 Indian/Cocos'), ('Antarctica/Davis', 'GMT+07:00 Antarctica/Davis'), ('Asia/Bangkok', 'GMT+07:00 Asia/Bangkok'), ('Asia/Ho_Chi_Minh', 'GMT+07:00 Asia/Ho Chi Minh'), ('Asia/Hovd', 'GMT+07:00 Asia/Hovd'), ('Asia/Jakarta', 'GMT+07:00 Asia/Jakarta'), ('Asia/Krasnoyarsk', 'GMT+07:00 Asia/Krasnoyarsk'), ('Asia/Novokuznetsk', 'GMT+07:00 Asia/Novokuznetsk'), ('Asia/Phnom_Penh', 'GMT+07:00 Asia/Phnom Penh'), ('Asia/Pontianak', 'GMT+07:00 Asia/Pontianak'), ('Asia/Tomsk', 'GMT+07:00 Asia/Tomsk'), ('Asia/Vientiane', 'GMT+07:00 Asia/Vientiane'), ('Indian/Christmas', 'GMT+07:00 Indian/Christmas'), ('Antarctica/Casey', 'GMT+08:00 Antarctica/Casey'), ('Asia/Brunei', 'GMT+08:00 Asia/Brunei'), ('Asia/Dili', 'GMT+08:00 Asia/Dili'), ('Asia/Hong_Kong', 'GMT+08:00 Asia/Hong Kong'), ('Asia/Irkutsk', 'GMT+08:00 Asia/Irkutsk'), ('Asia/Kuala_Lumpur', 'GMT+08:00 Asia/Kuala Lumpur'), ('Asia/Kuching', 'GMT+08:00 Asia/Kuching'), ('Asia/Macau', 'GMT+08:00 Asia/Macau'), ('Asia/Makassar', 'GMT+08:00 Asia/Makassar'), ('Asia/Manila', 'GMT+08:00 Asia/Manila'), ('Asia/Shanghai', 'GMT+08:00 Asia/Shanghai'), ('Asia/Singapore', 'GMT+08:00 Asia/Singapore'), ('Asia/Taipei', 'GMT+08:00 Asia/Taipei'), ('Asia/Ulaanbaatar', 'GMT+08:00 Asia/Ulaanbaatar'), ('Australia/Perth', 'GMT+08:00 Australia/Perth'), ('Australia/Eucla', 'GMT+08:00 Australia/Eucla'), ('Asia/Chita', 'GMT+09:00 Asia/Chita'), ('Asia/Choibalsan', 'GMT+09:00 Asia/Choibalsan'), ('Asia/Jayapura', 'GMT+09:00 Asia/Jayapura'), ('Asia/Khandyga', 'GMT+09:00 Asia/Khandyga'), ('Asia/Pyongyang', 'GMT+09:00 Asia/Pyongyang'), ('Asia/Seoul', 'GMT+09:00 Asia/Seoul'), ('Asia/Tokyo', 'GMT+09:00 Asia/Tokyo'), ('Asia/Yakutsk', 'GMT+09:00 Asia/Yakutsk'), ('Pacific/Palau', 'GMT+09:00 Pacific/Palau'), ('Australia/Darwin', 'GMT+09:00 Australia/Darwin'), ('Antarctica/DumontDUrville', 'GMT+10:00 Antarctica/DumontDUrville'), ('Asia/Sakhalin', 'GMT+10:00 Asia/Sakhalin'), ('Asia/Vladivostok', 'GMT+10:00 Asia/Vladivostok'), ('Australia/Brisbane', 'GMT+10:00 Australia/Brisbane'), ('Australia/Lindeman', 'GMT+10:00 Australia/Lindeman'), ('Pacific/Bougainville', 'GMT+10:00 Pacific/Bougainville'), ('Pacific/Chuuk', 'GMT+10:00 Pacific/Chuuk'), ('Pacific/Guam', 'GMT+10:00 Pacific/Guam'), ('Pacific/Port_Moresby', 'GMT+10:00 Pacific/Port Moresby'), ('Pacific/Saipan', 'GMT+10:00 Pacific/Saipan'), ('Australia/Adelaide', 'GMT+10:00 Australia/Adelaide'), ('Australia/Broken_Hill', 'GMT+10:00 Australia/Broken Hill'), ('Antarctica/Macquarie', 'GMT+11:00 Antarctica/Macquarie'), ('Asia/Magadan', 'GMT+11:00 Asia/Magadan'), ('Asia/Srednekolymsk', 'GMT+11:00 Asia/Srednekolymsk'), ('Asia/Ust-Nera', 'GMT+11:00 Asia/Ust-Nera'), ('Australia/Currie', 'GMT+11:00 Australia/Currie'), ('Australia/Hobart', 'GMT+11:00 Australia/Hobart'), ('Australia/Lord_Howe', 'GMT+11:00 Australia/Lord Howe'), ('Australia/Melbourne', 'GMT+11:00 Australia/Melbourne'), ('Australia/Sydney', 'GMT+11:00 Australia/Sydney'), ('Pacific/Efate', 'GMT+11:00 Pacific/Efate'), ('Pacific/Guadalcanal', 'GMT+11:00 Pacific/Guadalcanal'), ('Pacific/Kosrae', 'GMT+11:00 Pacific/Kosrae'), ('Pacific/Noumea', 'GMT+11:00 Pacific/Noumea'), ('Pacific/Pohnpei', 'GMT+11:00 Pacific/Pohnpei'), ('Pacific/Norfolk', 'GMT+11:00 Pacific/Norfolk'), ('Asia/Anadyr', 'GMT+12:00 Asia/Anadyr'), ('Asia/Kamchatka', 'GMT+12:00 Asia/Kamchatka'), ('Pacific/Funafuti', 'GMT+12:00 Pacific/Funafuti'), ('Pacific/Kwajalein', 'GMT+12:00 Pacific/Kwajalein'), ('Pacific/Majuro', 'GMT+12:00 Pacific/Majuro'), ('Pacific/Nauru', 'GMT+12:00 Pacific/Nauru'), ('Pacific/Tarawa', 'GMT+12:00 Pacific/Tarawa'), ('Pacific/Wake', 'GMT+12:00 Pacific/Wake'), ('Pacific/Wallis', 'GMT+12:00 Pacific/Wallis'), ('Antarctica/McMurdo', 'GMT+13:00 Antarctica/McMurdo'), ('Pacific/Auckland', 'GMT+13:00 Pacific/Auckland'), ('Pacific/Enderbury', 'GMT+13:00 Pacific/Enderbury'), ('Pacific/Fiji', 'GMT+13:00 Pacific/Fiji'), ('Pacific/Chatham', 'GMT+13:00 Pacific/Chatham'), ('Pacific/Kiritimati', 'GMT+14:00 Pacific/Kiritimati'), ('Pacific/Tongatapu', 'GMT+14:00 Pacific/Tongatapu')], default='Europe/Berlin', help_text='Time Zone where this event takes place in', verbose_name='Time Zone'),
+        ),
+    ]

AKModel/migrations/0028_unique_constraints.py

+# Generated by Django 2.2.6 on 2020-05-10 10:48
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0027_event_timezone'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='akcategory',
+            name='name',
+            field=models.CharField(help_text='Name of the AK Category', max_length=64, verbose_name='Name'),
+        ),
+        migrations.AlterField(
+            model_name='akowner',
+            name='slug',
+            field=models.SlugField(blank=True, help_text='Slug for URL generation', max_length=64, verbose_name='Slug'),
+        ),
+        migrations.AlterField(
+            model_name='akrequirement',
+            name='name',
+            field=models.CharField(help_text='Name of the Requirement', max_length=128, verbose_name='Name'),
+        ),
+        migrations.AlterField(
+            model_name='aktrack',
+            name='name',
+            field=models.CharField(help_text='Name of the AK Track', max_length=64, verbose_name='Name'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='ak',
+            unique_together={('event', 'name'), ('event', 'short_name')},
+        ),
+        migrations.AlterUniqueTogether(
+            name='akcategory',
+            unique_together={('event', 'name')},
+        ),
+        migrations.AlterUniqueTogether(
+            name='akrequirement',
+            unique_together={('event', 'name')},
+        ),
+        migrations.AlterUniqueTogether(
+            name='aktrack',
+            unique_together={('event', 'name')},
+        ),
+        migrations.AlterUniqueTogether(
+            name='room',
+            unique_together={('event', 'name', 'building')},
+        ),
+    ]

AKModel/migrations/0029_AK_notes.py

+# Generated by Django 2.2.6 on 2020-05-10 17:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('AKModel', '0028_unique_constraints'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='ak',
+            name='notes',
+            field=models.TextField(blank=True,
+                                   help_text='Notes to organizers. These are public. For private notes, please send an e-mail.',
+                                   verbose_name='Organizational Notes'),
+        ),
+    ]

AKModel/migrations/0030_AK_interest_counter.py

+# Generated by Django 2.2.6 on 2020-05-10 19:56
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('AKModel', '0029_AK_notes'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='ak',
+            name='interest_counter',
+            field=models.IntegerField(default=0, help_text='People who have indicated interest online',
+                                      verbose_name='Interest Counter'),
+        ),
+    ]

AKModel/migrations/0031_event_ordering.py

+# Generated by Django 2.2.6 on 2020-05-10 23:26
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0030_AK_interest_counter'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='event',
+            options={'ordering': ['-start'], 'verbose_name': 'Event', 'verbose_name_plural': 'Events'},
+        ),
+    ]

AKModel/migrations/0032_AK_history.py

+# Generated by Django 2.2.6 on 2020-05-11 22:27
+
+import django.db.models.deletion
+import simple_history.models
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('AKModel', '0031_event_ordering'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='HistoricalAK',
+            fields=[
+                ('id', models.IntegerField(auto_created=True, blank=True, db_index=True, verbose_name='ID')),
+                ('name', models.CharField(help_text='Name of the AK', max_length=256, verbose_name='Name')),
+                ('short_name', models.CharField(blank=True, help_text='Name displayed in the schedule', max_length=64,
+                                                verbose_name='Short Name')),
+                ('description',
+                 models.TextField(blank=True, help_text='Description of the AK', verbose_name='Description')),
+                ('link', models.URLField(blank=True, help_text='Link to wiki page', verbose_name='Web Link')),
+                ('reso', models.BooleanField(default=False, help_text='Intends to submit a resolution',
+                                             verbose_name='Resolution Intention')),
+                ('present', models.BooleanField(help_text='Present results of this AK', null=True,
+                                                verbose_name='Present this AK')),
+                ('notes', models.TextField(blank=True,
+                                           help_text='Notes to organizers. These are public. For private notes, please send an e-mail.',
+                                           verbose_name='Organizational Notes')),
+                ('interest',
+                 models.IntegerField(default=-1, help_text='Expected number of people', verbose_name='Interest')),
+                ('interest_counter',
+                 models.IntegerField(default=0, help_text='People who have indicated interest online',
+                                     verbose_name='Interest Counter')),
+                ('history_id', models.AutoField(primary_key=True, serialize=False)),
+                ('history_date', models.DateTimeField()),
+                ('history_change_reason', models.CharField(max_length=100, null=True)),
+                ('history_type',
+                 models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
+                ('category',
+                 models.ForeignKey(blank=True, db_constraint=False, help_text='Category of the AK', null=True,
+                                   on_delete=django.db.models.deletion.DO_NOTHING, related_name='+',
+                                   to='AKModel.AKCategory', verbose_name='Category')),
+                ('event', models.ForeignKey(blank=True, db_constraint=False, help_text='Associated event', null=True,
+                                            on_delete=django.db.models.deletion.DO_NOTHING, related_name='+',
+                                            to='AKModel.Event', verbose_name='Event')),
+                ('history_user',
+                 models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+',
+                                   to=settings.AUTH_USER_MODEL)),
+                ('track',
+                 models.ForeignKey(blank=True, db_constraint=False, help_text='Track the AK belongs to', null=True,
+                                   on_delete=django.db.models.deletion.DO_NOTHING, related_name='+',
+                                   to='AKModel.AKTrack', verbose_name='Track')),
+            ],
+            options={
+                'verbose_name': 'historical AK',
+                'ordering': ('-history_date', '-history_id'),
+                'get_latest_by': 'history_date',
+            },
+            bases=(simple_history.models.HistoricalChanges, models.Model),
+        ),
+    ]

AKModel/migrations/0033_AKOnline.py

+# Generated by Django 3.0.6 on 2020-05-17 20:02
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('AKModel', '0032_AK_history'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='room',
+            old_name='building',
+            new_name='location',
+        ),
+    ]

AKModel/migrations/0034_room_rename_field.py

+# Generated by Django 3.0.6 on 2020-05-19 18:48
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('AKModel', '0033_AKOnline'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='room',
+            options={'ordering': ['location', 'name'], 'verbose_name': 'Room', 'verbose_name_plural': 'Rooms'},
+        ),
+        migrations.AlterField(
+            model_name='room',
+            name='location',
+            field=models.CharField(blank=True, help_text='Name or number of the location', max_length=256,
+                                   verbose_name='Location'),
+        ),
+    ]

AKModel/migrations/0035_event_plan_hidden.py

+# Generated by Django 3.0.6 on 2020-05-19 20:08
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0034_room_rename_field'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='event',
+            name='plan_hidden',
+            field=models.BooleanField(default=True, help_text='Hides plan for non-staff users', verbose_name='Plan Hidden'),
+        ),
+    ]

AKModel/migrations/0036_protocol_link.py

+# Generated by Django 3.0.6 on 2020-05-21 05:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0035_event_plan_hidden'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='ak',
+            name='protocol_link',
+            field=models.URLField(blank=True, help_text='Link to protocol', verbose_name='Protocol Link'),
+        ),
+        migrations.AddField(
+            model_name='historicalak',
+            name='protocol_link',
+            field=models.URLField(blank=True, help_text='Link to protocol', verbose_name='Protocol Link'),
+        ),
+    ]

AKModel/migrations/0037_event_public.py

+# Generated by Django 3.0.6 on 2020-07-12 15:54
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0036_protocol_link'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='event',
+            name='public',
+            field=models.BooleanField(default=True, help_text='Show this event on overview page.', verbose_name='Public event'),
+        ),
+    ]

AKModel/migrations/0038_akorgamessage.py

+# Generated by Django 3.0.6 on 2020-09-28 21:52
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0037_event_public'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='AKOrgaMessage',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('text', models.TextField(help_text='Message to the organizers. This is not publicly visible.', verbose_name='Message text')),
+                ('timestamp', models.DateTimeField(auto_now_add=True)),
+                ('ak', models.ForeignKey(help_text='AK this message belongs to', on_delete=django.db.models.deletion.CASCADE, to='AKModel.AK', verbose_name='AK')),
+            ],
+            options={
+                'verbose_name': 'AK Orga Message',
+                'verbose_name_plural': 'AK Orga Messages',
+                'ordering': ['-timestamp'],
+            },
+        ),
+    ]

AKModel/migrations/0039_event_wiki_template_name.py

+# Generated by Django 3.0.6 on 2020-09-29 22:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0038_akorgamessage'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='event',
+            name='wiki_export_template_name',
+            field=models.CharField(blank=True, max_length=50, verbose_name='Wiki Export Template Name'),
+        ),
+    ]

AKModel/migrations/0040_event_reso_deadline.py

+# Generated by Django 3.0.6 on 2020-11-03 18:57
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0039_event_wiki_template_name'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='event',
+            name='reso_deadline',
+            field=models.DateTimeField(blank=True, help_text='When should AKs with intention to submit a resolution be done?', null=True, verbose_name='Resolution Deadline'),
+        ),
+    ]

AKModel/migrations/0041_constraint_violation.py

+# Generated by Django 3.0.6 on 2020-11-03 23:27
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0040_event_reso_deadline'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ConstraintViolation',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('type', models.CharField(choices=[('ots', 'Owner has two parallel slots'), ('soa', "AK Slot was scheduled outside the AK's availabilities"), ('rts', 'Room has two AK slots scheduled at the same time'), ('rng', 'Room does not satisfy the requirement of the scheduled AK'), ('acc', 'AK Slot is scheduled at the same time as an AK listed as a conflict'), ('abp', 'AK Slot is scheduled before an AK listed as a prerequisite'), ('aar', 'AK Slot for AK with intention to submit a resolution is scheduled after resolution deadline'), ('acm', 'AK Slot in a category is outside that categories availabilities'), ('asc', 'Two AK Slots for the same AK scheduled at the same time'), ('rce', 'AK Slot is scheduled in a room with less space than interest'), ('soe', "AK Slot is scheduled outside the event's availabilities")], help_text='Type of violation, i.e. what kind of constraint was violated', max_length=3, verbose_name='Type')),
+                ('level', models.PositiveSmallIntegerField(choices=[(1, 'Warning'), (10, 'Violation')], help_text='Severity level of the violation', verbose_name='Level')),
+                ('comment', models.TextField(blank=True, help_text='Comment or further details for this violation', verbose_name='Comment')),
+                ('timestamp', models.DateTimeField(auto_now_add=True, help_text='Time of creation', verbose_name='Timestamp')),
+                ('manually_resolved', models.BooleanField(default=False, help_text='Mark this violation manually as resolved', verbose_name='Manually Resolved')),
+                ('ak_owner', models.ForeignKey(blank=True, help_text='AK Owner belonging to this constraint', null=True, on_delete=django.db.models.deletion.CASCADE, to='AKModel.AKOwner', verbose_name='AK Owner')),
+                ('ak_slots', models.ManyToManyField(blank=True, help_text='AK Slot(s) belonging to this constraint', to='AKModel.AKSlot', verbose_name='AK Slots')),
+                ('aks', models.ManyToManyField(blank=True, help_text='AK(s) belonging to this constraint', to='AKModel.AK', verbose_name='AKs')),
+                ('category', models.ForeignKey(blank=True, help_text='AK Category belonging to this constraint', null=True, on_delete=django.db.models.deletion.CASCADE, to='AKModel.AKCategory', verbose_name='AK Category')),
+                ('event', models.ForeignKey(help_text='Associated event', on_delete=django.db.models.deletion.CASCADE, to='AKModel.Event', verbose_name='Event')),
+                ('requirement', models.ForeignKey(blank=True, help_text='AK Requirement belonging to this constraint', null=True, on_delete=django.db.models.deletion.CASCADE, to='AKModel.AKRequirement', verbose_name='AK Requirement')),
+                ('room', models.ForeignKey(blank=True, help_text='Room belonging to this constraint', null=True, on_delete=django.db.models.deletion.CASCADE, to='AKModel.Room', verbose_name='Room')),
+            ],
+            options={
+                'verbose_name': 'Constraint Violation',
+                'verbose_name_plural': 'Constraint Violations',
+                'ordering': ['-timestamp'],
+            },
+        ),
+    ]

AKModel/migrations/0042_akslot_fixed.py

+# Generated by Django 3.0.6 on 2020-11-04 23:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0041_constraint_violation'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='akslot',
+            name='fixed',
+            field=models.BooleanField(default=False, help_text='Length and time of this AK should not be changed', verbose_name='Scheduling Fixed'),
+        ),
+    ]

AKModel/migrations/0043_akslot_fixed_improve_verbose_name.py

+# Generated by Django 3.1.5 on 2021-01-29 15:43
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('AKModel', '0042_akslot_fixed'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='akslot',
+            name='fixed',
+            field=models.BooleanField(default=False, help_text='Length and time of this AK should not be changed', verbose_name='Scheduling fixed'),
+        ),
+    ]