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",
+        ),
+    ]

judge/models/course.py

@@ -162,10 +162,18 @@ class CourseLesson(models.Model):
     )
     title = models.TextField(verbose_name=_("course title"))
     content = models.TextField(verbose_name=_("course content"))
-    problems = models.ManyToManyField(Problem, verbose_name=_("problem"), blank=True)
     order = models.IntegerField(verbose_name=_("order"), default=0)
     points = models.IntegerField(verbose_name=_("points"))
 
+    def get_absolute_url(self):
+        return reverse(
+            "course_lesson_detail",
+            args=(
+                self.course.slug,
+                self.id,
+            ),
+        )
+
 
 class CourseLessonProblem(models.Model):
     lesson = models.ForeignKey(

judge/views/course.py

@@ -130,7 +130,7 @@ class CourseDetail(CourseDetailMixin, DetailView):
 
     def get_context_data(self, **kwargs):
         context = super(CourseDetail, self).get_context_data(**kwargs)
-        lessons = self.course.lessons.prefetch_related("problems").all()
+        lessons = self.course.lessons.prefetch_related("lesson_problems").all()
         context["title"] = self.course.name
         context["page_type"] = "home"
         context["lessons"] = lessons
@@ -190,7 +190,7 @@ class CourseLessonDetail(CourseDetailMixin, DetailView):
 class CourseLessonForm(forms.ModelForm):
     class Meta:
         model = CourseLesson
-        fields = ["order", "title", "points", "content", "problems"]
+        fields = ["order", "title", "points", "content"]
         widgets = {
             "title": forms.TextInput(),
             "content": HeavyPreviewPageDownWidget(preview=reverse_lazy("blog_preview")),
@@ -312,13 +312,13 @@ class CourseStudentResults(CourseEditableMixin, DetailView):
     def get_grades(self):
         students = self.course.get_students()
         students.sort(key=lambda u: u.username.lower())
-        lessons = self.course.lessons.prefetch_related("problems").all()
+        lessons = self.course.lessons.prefetch_related("lesson_problems").all()
         grades = {s: calculate_lessons_progress(s, lessons) for s in students}
         return grades
 
     def get_context_data(self, **kwargs):
         context = super(CourseStudentResults, self).get_context_data(**kwargs)
-        context["title"] = _("Grades in %(course_name)s</a>") % {
+        context["title"] = _("Grades in %(course_name)s") % {
             "course_name": self.course.name,
         }
         context["content_title"] = mark_safe(
@@ -374,16 +374,19 @@ class CourseStudentResultsLesson(CourseEditableMixin, DetailView):
     def get_context_data(self, **kwargs):
         context = super(CourseStudentResultsLesson, self).get_context_data(**kwargs)
         context["lesson"] = self.lesson
-        context["title"] = _("Grades of %(lesson_name)s</a> in %(course_name)s</a>") % {
+        context["title"] = _("Grades of %(lesson_name)s in %(course_name)s") % {
             "course_name": self.course.name,
             "lesson_name": self.lesson.title,
         }
         context["content_title"] = mark_safe(
-            _("Grades of %(lesson_name)s</a> in <a href='%(url)s'>%(course_name)s</a>")
+            _(
+                "Grades of <a href='%(url_lesson)s'>%(lesson_name)s</a> in <a href='%(url_course)s'>%(course_name)s</a>"
+            )
             % {
                 "course_name": self.course.name,
                 "lesson_name": self.lesson.title,
-                "url": self.course.get_absolute_url(),
+                "url_course": self.course.get_absolute_url(),
+                "url_lesson": self.lesson.get_absolute_url(),
             }
         )
         context["page_type"] = "grades"