fix migrations?

Author: VeryBigSad

projects/migrations/0018_alter_defaultprojectcover_image_alter_project_cover.py

@@ -1,27 +1,51 @@
-# Generated by Django 4.1.3 on 2023-06-20 21:39
+# Generated by Django 4.2.3 on 2023-09-07 07:13
 
 from django.db import migrations, models
 import django.db.models.deletion
+import projects.models
+
+# Generated by Django 4.1.3 on 2023-06-27 11:46
+import django
+from django.db import migrations, models
+import projects.models
+
+
+def create_default_project_cover(apps, schema_editor):
+    # create a random default cover using a random UserFile
+    DefaultProjectCover = apps.get_model("projects", "DefaultProjectCover")
+    default_cover = DefaultProjectCover.objects.create()
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("files", "0003_userfile_extension_userfile_name_userfile_size"),
-        ("projects", "0016_alter_projectnews_files"),
+        ("projects", "0018_alter_defaultprojectcover_image_alter_project_cover"),
     ]
 
     operations = [
-        migrations.AddField(
+        migrations.RunPython(create_default_project_cover),
+        migrations.AlterField(
             model_name="project",
             name="cover",
             field=models.ForeignKey(
-                null=True,
-                on_delete=django.db.models.deletion.SET_NULL,
+                default=projects.models.DefaultProjectCover.get_random_file,
+                on_delete=django.db.models.deletion.SET_DEFAULT,
                 related_name="project_cover",
                 to="files.userfile",
+                null=True,
+                blank=True
             ),
         ),
+    ]
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("files", "0005_alter_userfile_options"),
+        ("projects", "0019_alter_project_options_project_hidden_score"),
+    ]
+
+    operations = [
         migrations.CreateModel(
             name="DefaultProjectCover",
             fields=[
@@ -45,6 +69,8 @@ class Migration(migrations.Migration):
                 (
                     "image",
                     models.ForeignKey(
+                        blank=True,
+                        null=True,
                         on_delete=django.db.models.deletion.CASCADE,
                         related_name="default_covers",
                         to="files.userfile",
@@ -56,4 +82,17 @@ class Migration(migrations.Migration):
                 "verbose_name_plural": "Обложки проектов",
             },
         ),
+        migrations.RunPython(create_default_project_cover),
+        migrations.AddField(
+            model_name="project",
+            name="cover",
+            field=models.ForeignKey(
+                blank=True,
+                default=projects.models.DefaultProjectCover.get_random_file,
+                null=True,
+                on_delete=django.db.models.deletion.SET_DEFAULT,
+                related_name="project_cover",
+                to="files.userfile",
+            ),
+        ),
     ]