feat: implement attachment management with upload, delete, and permission checks; update serializers and models

backend/server/adventures/migrations/0019_alter_attachment_file.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.0.8 on 2025-01-19 22:17
+
+import adventures.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('adventures', '0018_attachment'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='attachment',
+            name='file',
+            field=models.FileField(upload_to=adventures.models.PathAndRename('attachments/')),
+        ),
+    ]

backend/server/adventures/migrations/0020_attachment_name.py

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+# Generated by Django 5.0.8 on 2025-01-19 22:32
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('adventures', '0019_alter_attachment_file'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='attachment',
+            name='name',
+            field=models.CharField(default='', max_length=200),
+            preserve_default=False,
+        ),
+    ]

backend/server/adventures/migrations/0021_alter_attachment_name.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.8 on 2025-01-19 22:32
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('adventures', '0020_attachment_name'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='attachment',
+            name='name',
+            field=models.CharField(blank=True, max_length=200, null=True),
+        ),
+    ]