model: add migration to replace meeting primary key

b3lb/rest/migrations/0017_rename_meeting_meetingold.py

@@ -0,0 +1,17 @@
+# Generated by Django 3.2.23 on 2024-05-24 13:22
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rest', '0016_resize_meeting_name_length'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='Meeting',
+            new_name='MeetingOld',
+        ),
+    ]

b3lb/rest/migrations/0018_meeting.py

@@ -0,0 +1,44 @@
+# Generated by Django 3.2.23 on 2024-05-24 13:29
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+import rest.models
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rest', '0017_rename_meeting_meetingold'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='MeetingNew',
+            fields=[
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('id', models.CharField(max_length=100)),
+                ('room_name', models.CharField(max_length=256)),
+                ('age', models.DateTimeField(default=django.utils.timezone.now)),
+                ('attendees', models.SmallIntegerField(default=0)),
+                ('end_callback_url', models.URLField(default='')),
+                ('listenerCount', models.SmallIntegerField(default=0)),
+                ('nonce', models.CharField(default=rest.models.get_nonce, editable=False, max_length=64, unique=True)),
+                ('voiceParticipantCount', models.SmallIntegerField(default=0)),
+                ('moderatorCount', models.SmallIntegerField(default=0)),
+                ('videoCount', models.SmallIntegerField(default=0)),
+                ('bbb_origin', models.CharField(default='', max_length=255)),
+                ('bbb_origin_server_name', models.CharField(default='', max_length=255)),
+                ('node', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='rest.node')),
+                ('secret', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='rest.secret')),
+            ],
+            options={
+                'ordering': ['secret__tenant', 'age'],
+            },
+        ),
+        migrations.AddConstraint(
+            model_name='meetingnew',
+            constraint=models.UniqueConstraint(fields=('id', 'secret'), name='unique_meeting'),
+        ),
+    ]

b3lb/rest/migrations/0019_migrate_meeting_data.py

@@ -0,0 +1,35 @@
+# Generated by Django 3.2.23 on 2024-05-24 13:29
+
+from django.db import migrations
+
+def migrate_meetings(apps, schema_editor):
+    meeting_class = apps.get_model("rest", "MeetingNew")
+    meeting_old_class = apps.get_model("rest", "MeetingOld")
+    for meeting_old in meeting_old_class.objects.all():
+        meeting = meeting_class()
+        meeting.id = meeting_old.id
+        meeting.secret = meeting_old.secret
+        meeting.node = meeting_old.node
+        meeting.room_name = meeting_old.room_name
+        meeting.age = meeting_old.age
+        meeting.attendees = meeting_old.attendees
+        meeting.end_callback_url = meeting_old.end_callback_url
+        meeting.listenerCount = meeting_old.listenerCount
+        meeting.nonce = meeting_old.nonce
+        meeting.voiceParticipantCount = meeting_old.voiceParticipantCount
+        meeting.moderatorCount = meeting_old.moderatorCount
+        meeting.videoCount = meeting_old.videoCount
+        meeting.bbb_origin = meeting_old.bbb_origin
+        meeting.bbb_origin_server_name = meeting_old.bbb_origin_server_name
+        meeting.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rest', '0018_meeting'),
+    ]
+
+    operations = [
+        migrations.RunPython(migrate_meetings)
+    ]

b3lb/rest/migrations/0020_remove_meetingold.py

@@ -0,0 +1,39 @@
+# Generated by Django 3.2.23 on 2024-05-24 13:46
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+def migrate_record_set_meetings(apps, schema_editor):
+    record_set_class = apps.get_model('rest', 'RecordSet')
+    for record_set in record_set_class.objects.all():
+        if record_set.meeting:
+            record_set.meeting = None
+            record_set.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rest', '0019_migrate_meeting_data'),
+    ]
+
+    operations = [
+        migrations.RunPython(migrate_record_set_meetings),
+        migrations.AlterField(
+            model_name='recordset',
+            name='meeting',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='rest.meetingnew'),
+        ),
+        migrations.DeleteModel(
+            name='MeetingOld',
+        ),
+        migrations.RenameModel(
+            old_name='MeetingNew',
+            new_name='Meeting',
+        ),
+        migrations.AlterField(
+            model_name='recordset',
+            name='meeting',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='rest.meeting'),
+        ),
+    ]

b3lb/rest/migrations/0021_refill_recordset.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.2.23 on 2024-05-24 14:14
+
+from django.db import migrations
+
+def refill_record_set(apps, schema_editor):
+    record_set_class = apps.get_model('rest', 'RecordSet')
+    meeting_class = apps.get_model('rest', 'Meeting')
+    for record_set in record_set_class.objects.all():
+        if record_set.status == "UNKNOWN" and record_set.meta_meeting_id:
+            meetings = meeting_class.objects.filter(id=record_set.meta_meeting_id, secret=record_set.secret)
+            if meetings.count() == 1:
+                record_set.meeting = meetings[0]
+                record_set.save()
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rest', '0020_remove_meetingold'),
+    ]
+
+    operations = [
+        migrations.RunPython(refill_record_set)
+    ]

b3lb/rest/models.py

@@ -16,12 +16,13 @@
 
 
 from base64 import b32encode
-from django.db import models
 from django.core.exceptions import ValidationError
 from django.core.files.storage import FileSystemStorage, default_storage
 from django.core.validators import MaxValueValidator, MinValueValidator, RegexValidator
 from django.conf import settings
 from django.contrib import admin
+from django.db import models
+from django.db.models.constraints import UniqueConstraint
 from django.utils import timezone
 from django.utils.crypto import get_random_string
 from django.utils.html import format_html
@@ -575,7 +576,8 @@ class SecretMetricsListAdmin(admin.ModelAdmin):
 
 # meeting - tenant - node relation class
 class Meeting(models.Model):
-    id = models.CharField(max_length=cst.MEETING_ID_LENGTH, primary_key=True)
+    uuid = models.UUIDField(primary_key=True, editable=False, unique=True, default=uid.uuid4)
+    id = models.CharField(max_length=cst.MEETING_ID_LENGTH)
     secret = models.ForeignKey(Secret, on_delete=models.CASCADE)
     node = models.ForeignKey(Node, on_delete=models.CASCADE)
     room_name = models.CharField(max_length=cst.MEETING_NAME_LENGTH)
@@ -592,11 +594,13 @@ class Meeting(models.Model):
 
     class Meta(object):
         ordering = ['secret__tenant', 'age']
+        constraints = [UniqueConstraint(fields=['id', 'secret'], name='unique_meeting')]
 
     def __str__(self):
         return "{} {}".format(self.secret.tenant.slug, self.room_name)
 
 
+# meeting - tenant - node relation class
 class MeetingAdmin(admin.ModelAdmin):
     model = Meeting
     list_display = ['__str__', 'bbb_origin_server_name', 'node', 'attendees', 'listenerCount', 'voiceParticipantCount', 'videoCount', 'age', 'id']