Initial transition to move relationships from subject to schedules

infotech/subjects/migrations/0005_subject_code_alter_subject_semester_and_more.py

@@ -0,0 +1,29 @@
+# Generated by Django 4.2 on 2023-04-22 01:13
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('subjects', '0004_remove_subject_enrolled_count_subjectstudent_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='subject',
+            name='code',
+            field=models.CharField(default='PLCHLDER-1', max_length=20),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='subject',
+            name='semester',
+            field=models.CharField(choices=[('1st Semester', 'First Sem'), ('2nd Semester', 'Second Sem')], default='1st Semester', max_length=20),
+        ),
+        migrations.AlterField(
+            model_name='subject',
+            name='year_level',
+            field=models.CharField(choices=[('1st Year', 'First Year'), ('2nd Year', 'Second Year'), ('3rd Year', 'Third Year'), ('4th Year', 'Fourth Year')], max_length=20),
+        ),
+    ]

infotech/subjects/migrations/0006_remove_subject_students.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.2 on 2023-04-22 02:49
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('subjects', '0005_subject_code_alter_subject_semester_and_more'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='subject',
+            name='students',
+        ),
+    ]

infotech/subjects/migrations/0007_delete_subjectstudent.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.2 on 2023-04-22 02:58
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('students', '0005_remove_student_enrolled_subjects'),
+        ('subjects', '0006_remove_subject_students'),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name='SubjectStudent',
+        ),
+    ]

infotech/subjects/models.py

@@ -12,24 +12,15 @@ class Subject(models.Model):
         FOURTH_YEAR = '4th Year'
 
     class Semesters(models.TextChoices):
-        FIRST_SEM = 'Sem-1', '1st Semester'
-        SECOND_SEM = 'Sem-2', '2nd Semester'
+        FIRST_SEM = '1st Semester'
+        SECOND_SEM = '2nd Semester'
 
     name = models.CharField(max_length=40)
+    code = models.CharField(max_length=20)
     max_slots = models.IntegerField(default=60)
     year_level = models.CharField(max_length=20, choices=YearLevels.choices)
     semester = models.CharField(
         max_length=20, choices=Semesters.choices, default=Semesters.FIRST_SEM)
 
-    students = models.ManyToManyField(
-        'students.Student', related_name='SubjectStudent_student_assigned', through='subjects.SubjectStudent')
-
     def __str__(self):
         return self.name
-
-
-class SubjectStudent(models.Model):
-    subject = models.ForeignKey('subjects.Subject', on_delete=models.CASCADE)
-    student_assigned = models.ForeignKey(
-        'students.Student', on_delete=models.CASCADE, null=True)
-    date_joined = models.DateTimeField(default=now, editable=False)

infotech/subjects/serializers.py

@@ -5,11 +5,9 @@ from students.models import Student
 
 
 class SubjectSerializer(serializers.HyperlinkedModelSerializer):
-    students = serializers.SlugRelatedField(
-        queryset=Student.objects.all(), many=True, slug_field='last_name', allow_null=True)
 
     class Meta:
         model = Subject
-        fields = ('id', 'name', 'students',
+        fields = ('id', 'name',
                   'max_slots', 'year_level', 'semester')
-        read_only_fields = ('id',)
+        read_only_fields = ['id']