diff --git a/AKModel/migrations/0050_message_event_reference.py b/AKModel/migrations/0050_message_event_reference.py
new file mode 100644
index 0000000000000000000000000000000000000000..704d91a73e4a481b03fa729e77c71495029e3b91
--- /dev/null
+++ b/AKModel/migrations/0050_message_event_reference.py
@@ -0,0 +1,41 @@
+# Generated by Django 3.1.8 on 2022-05-12 16:57
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+def forwards_func(apps, schema_editor):
+ # Set event to the corresponding even (from the AK) each
+ AKOrgaMessage = apps.get_model("AKModel", "AKOrgaMessage")
+ for message in AKOrgaMessage.objects.all():
+ message.event = message.ak.event
+ message.save()
+
+
+def reverse_func(apps, schema_editor):
+ # No need to do something here, field will be deleted anyway
+ pass
+
+
+class Migration(migrations.Migration):
+
+ dependencies = [
+ ('AKModel', '0049_interest_window'),
+ ]
+
+ operations = [
+ migrations.AddField(
+ model_name='akorgamessage',
+ name='event',
+ field=models.ForeignKey(blank=True, help_text='Associated event', null=True,
+ on_delete=django.db.models.deletion.CASCADE, to='AKModel.event',
+ verbose_name='Event'),
+ ),
+ migrations.RunPython(forwards_func, reverse_func),
+ migrations.AlterField(
+ model_name='akorgamessage',
+ name='event',
+ field=models.ForeignKey(help_text='Associated event', on_delete=django.db.models.deletion.CASCADE,
+ to='AKModel.event', verbose_name='Event'),
+ ),
+ ]
diff --git a/AKModel/models.py b/AKModel/models.py
index 2767effb2817e1710ed967119b8dbe306d3fce5b..979f005f70ed48e2bd73daad4d21dbe2160b9aff 100644
--- a/AKModel/models.py
+++ b/AKModel/models.py
@@ -443,6 +443,8 @@ class AKOrgaMessage(models.Model):
text = models.TextField(verbose_name=_("Message text"),
help_text=_("Message to the organizers. This is not publicly visible."))
timestamp = models.DateTimeField(auto_now_add=True)
+ event = models.ForeignKey(to=Event, on_delete=models.CASCADE, verbose_name=_('Event'),
+ help_text=_('Associated event'))
class Meta:
verbose_name = _('AK Orga Message')
diff --git a/AKSubmission/forms.py b/AKSubmission/forms.py
index b75f88038880a595581707df1f0c93861bee2ebc..41cebfca9567f82ec7d3537f9d49fd22e2096ac5 100644
--- a/AKSubmission/forms.py
+++ b/AKSubmission/forms.py
@@ -175,8 +175,9 @@ class AKDurationForm(forms.ModelForm):
class AKOrgaMessageForm(forms.ModelForm):
class Meta:
model = AKOrgaMessage
- fields = ['ak', 'text']
+ fields = ['ak', 'text', 'event']
widgets = {
'ak': forms.HiddenInput,
+ 'event': forms.HiddenInput,
'text': forms.Textarea,
}
diff --git a/AKSubmission/views.py b/AKSubmission/views.py
index 077005e2b591daa9230c175367672520064bb540..3f43854608835480385f3236d3bea276b03d67f2 100644
--- a/AKSubmission/views.py
+++ b/AKSubmission/views.py
@@ -437,6 +437,7 @@ class AKAddOrgaMessageView(EventSlugMixin, CreateView):
def get_initial(self):
initials = super(AKAddOrgaMessageView, self).get_initial()
initials['ak'] = get_object_or_404(AK, pk=self.kwargs['pk'])
+ initials['event'] = initials['ak'].event
return initials
def get_context_data(self, *, object_list=None, **kwargs):
diff --git a/README.md b/README.md
index 7e70a9551c3c07f787200ab95f15ee303cad1986..1bbbfdae91f8b130330849d8774dba74291325f3 100644
--- a/README.md
+++ b/README.md
@@ -31,3 +31,4 @@ Afterwards, you may check your setup by executing ``Utils/check.sh`` or ``Utils/
## Developer Notes
* to regenerate translations use ````python manage.py makemessages -l de_DE --ignore venv````
* to create a data backup use ````python manage.py dumpdata --indent=2 > db.json --traceback````
+* to export all database items belonging to a certain event use ````.\Utils\json_export.sh <event_id> <export_prefix> [--prod]````. The results will be saved in ````backups/<export_prefix>.json````
diff --git a/Utils/README.md b/Utils/README.md
index b601f952c96e4a8a54675da35113d9e7a485844c..d0205298d9d3495c15d8ebd5894542df86f420ff 100644
--- a/Utils/README.md
+++ b/Utils/README.md
@@ -7,3 +7,4 @@ All scripts should be executed from the project folder (repository root).
* **setup** installation script for development setup
* **update** update script for development or production (--prod) setup
* **check** setup checking script for development and production (--prod) setup
+* **json_export** export script for development and production (--prod) -- can be used to export all database items belonging to a given event
\ No newline at end of file
diff --git a/Utils/json_export.py b/Utils/json_export.py
new file mode 100644
index 0000000000000000000000000000000000000000..a3a8af71dce425d7092283d90670d3ef9a316ea6
--- /dev/null
+++ b/Utils/json_export.py
@@ -0,0 +1,57 @@
+import json
+import sys
+
+event_id = int(sys.argv[1])
+target_name = sys.argv[2]
+
+print(f"Creating export for event '{event_id}' as '{target_name}'")
+
+# Load json file just created by django
+with open('backups/akplanning_only.json', 'r') as json_file:
+ exported_entries = json.load(json_file)
+print(f"Loaded {len(exported_entries)} entries in total, restricting to event...")
+
+entries_without_event = 0
+entries_out = []
+virtual_rooms_to_preserve = set()
+
+# Loop over all dumped entries
+for entry in exported_entries:
+ # Handle all entries with event reference
+ if "event" in entry['fields']:
+ event = int(entry['fields']['event'])
+
+ # Does this entry belong to the event we are looking for?
+ if event == event_id:
+ # Store for backup
+ entries_out.append(entry)
+
+ # Remember the primary keys of all rooms of this event
+ # Required for special handling of virtual rooms,
+ # since they inherit from normal rooms and have no direct event reference
+ if entry['model'] == "AKModel.room":
+ virtual_rooms_to_preserve.add(entry['pk'])
+ # Handle entries without event reference
+ else:
+ # Backup virtual rooms of that event
+ if entry['model'] == "AKOnline.virtualroom":
+ if entry['pk'] in virtual_rooms_to_preserve:
+ entries_out.append(entry)
+ # Backup the event itself
+ elif entry['model'] == "AKModel.event":
+ if int(entry['pk']) == event_id:
+ entries_out.append(entry)
+ # Backup tags
+ elif entry['model'] == "AKModel.aktag":
+ # No restriction needed, backup all tags
+ entries_out.append(entry)
+ else:
+ # This should normally not happen (all other models should have a reference to the event)
+ entries_without_event += 1
+ print(entry)
+
+print(f"Ignored entries without event: {entries_without_event}")
+print(f"Exporting {len(entries_out)} entries for event")
+
+with open(f'backups/{target_name}.json', 'w') as json_file:
+ json.dump(entries_out, json_file, indent=2)
diff --git a/Utils/json_export.sh b/Utils/json_export.sh
new file mode 100644
index 0000000000000000000000000000000000000000..03ca03ee2a701504f5e474c5226affa39cf732ad
--- /dev/null
+++ b/Utils/json_export.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Update AKPlanning
+# execute as Utils/update.sh id_to_export target_name_to_export_to [--prod]
+
+# abort on error, print executed commands
+set -ex
+
+# activate virtualenv if necessary
+if [ -z ${VIRTUAL_ENV+x} ]; then
+ source venv/bin/activate
+fi
+
+# set environment variable when we want to update in production
+if [ "$3" = "--prod" ]; then
+ export DJANGO_SETTINGS_MODULE=AKPlanning.settings_production
+fi
+
+mkdir -p ../backups/
+python manage.py dumpdata AKDashboard AKModel AKOnline AKPlan AKScheduling AKSubmission --indent=2 > "backups/akplanning_only.json" --traceback
+
+python ./Utils/json_export.py $1 $2
+
+rm backups/akplanning_only.json