Add trans and migration

judge/migrations/0193_remove_old_course_problems.py

@@ -0,0 +1,29 @@
+# Generated by Django 3.2.18 on 2024-09-03 14:33
+
+from django.db import migrations, models
+
+
+def migrate_problems_to_courselessonproblem(apps, schema_editor):
+    CourseLesson = apps.get_model("judge", "CourseLesson")
+    CourseLessonProblem = apps.get_model("judge", "CourseLessonProblem")
+
+    for lesson in CourseLesson.objects.all():
+        for problem in lesson.problems.all():
+            CourseLessonProblem.objects.create(
+                lesson=lesson, problem=problem, order=1, score=1
+            )
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("judge", "0192_course_lesson_problem"),
+    ]
+
+    operations = [
+        migrations.RunPython(migrate_problems_to_courselessonproblem),
+        migrations.RemoveField(
+            model_name="courselesson",
+            name="problems",
+        ),
+    ]