fix: RoomSchedule presentation을 not null로 변경

Author: MU-Software

app/event/presentation/migrations/0012_alter_roomschedule_presentation.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2 on 2025-07-26 13:13
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("presentation", "0011_room_name_en_room_name_ko"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="roomschedule",
+            name="presentation",
+            field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to="presentation.presentation"),
+        ),
+    ]

app/event/presentation/models.py

@@ -126,9 +126,15 @@ class Room(BaseAbstractModel):
     event = models.ForeignKey(Event, on_delete=models.PROTECT)
     name = models.CharField(max_length=256)
 
+    def __str__(self) -> str:
+        return f"[{self.event.name}] {self.name}"
+
 
 class RoomSchedule(BaseAbstractModel):
     room = models.ForeignKey(Room, on_delete=models.PROTECT)
     start_at = models.DateTimeField()
     end_at = models.DateTimeField()
-    presentation = models.ForeignKey(Presentation, on_delete=models.PROTECT, null=True, blank=True)
+    presentation = models.ForeignKey(Presentation, on_delete=models.PROTECT)
+
+    def __str__(self) -> str:
+        return f"[{self.room}] {self.start_at} - {self.end_at} ({self.presentation})"