Initial transition to move relationships from subject to schedules

infotech/schedules/admin.py

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+from django.contrib import admin
+
+# Register your models here.

infotech/schedules/apps.py

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+from django.apps import AppConfig
+
+
+class SchedulesConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'schedules'

infotech/schedules/migrations/0001_initial.py

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+# Generated by Django 4.2 on 2023-04-22 02:49
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('subjects', '0006_remove_subject_students'),
+        ('professors', '0001_initial'),
+        ('students', '0004_student_enrolled_subjects'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Schedule',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('date_created', models.DateTimeField(default=django.utils.timezone.now, editable=False)),
+                ('professor', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='Professor_last_name', to='professors.professor')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='StudentSchedule',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('date_joined', models.DateTimeField(default=django.utils.timezone.now, editable=False)),
+                ('schedule', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='schedules.schedule')),
+                ('student_assigned', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='students.student')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='schedule',
+            name='students_assigned',
+            field=models.ManyToManyField(related_name='StudentSchedule_student_assigned', through='schedules.StudentSchedule', to='students.student'),
+        ),
+        migrations.AddField(
+            model_name='schedule',
+            name='subject',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='subjects.subject'),
+        ),
+    ]

infotech/schedules/migrations/0002_alter_schedule_professor.py

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+# Generated by Django 4.2 on 2023-04-22 02:53
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('professors', '0001_initial'),
+        ('schedules', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='schedule',
+            name='professor',
+            field=models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='Professor_full_name', to='professors.professor'),
+        ),
+    ]

infotech/schedules/models.py

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+from django.db import models
+from django.utils.timezone import now
+
+# Create your models here.
+
+
+class Schedule(models.Model):
+    subject = models.ForeignKey('subjects.Subject', on_delete=models.CASCADE)
+    students_assigned = models.ManyToManyField(
+        'students.Student', related_name='StudentSchedule_student_assigned', through='schedules.StudentSchedule')
+    professor = models.OneToOneField(
+        'professors.Professor', related_name='Professor_full_name', on_delete=models.CASCADE)
+    date_created = models.DateTimeField(default=now, editable=False)
+
+
+class StudentSchedule(models.Model):
+    schedule = models.ForeignKey(
+        'schedules.Schedule', on_delete=models.CASCADE)
+    student_assigned = models.ForeignKey(
+        'students.Student', on_delete=models.CASCADE)
+    date_joined = models.DateTimeField(default=now, editable=False)

infotech/schedules/serializers.py

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+from rest_framework import serializers
+from .models import Schedule
+
+
+class ScheduleSerializer(serializers.HyperlinkedModelSerializer):
+    date_created = serializers.DateTimeField(
+        format="%d-%m-%Y %I:%M%p", read_only=True)
+
+    class Meta:
+        model = Schedule
+        fields = ('id', 'subject', 'students_assigned',
+                  'professor', 'date_created')
+        read_only_fields = ('id', 'date_created')

infotech/schedules/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

infotech/schedules/urls.py

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+from django.urls import include, path
+from rest_framework import routers
+from . import views
+
+router = routers.DefaultRouter()
+router.register(r'schedules', views.ScheduleViewSet)
+
+# Wire up our API using automatic URL routing.
+# Additionally, we include login URLs for the browsable API.
+urlpatterns = [
+    path('', include(router.urls)),
+
+]

infotech/schedules/views.py

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+from django.shortcuts import render
+
+# Create your views here.
+from rest_framework.permissions import IsAuthenticated
+from rest_framework import viewsets
+from .serializers import ScheduleSerializer
+from .models import Schedule
+
+
+class ScheduleViewSet(viewsets.ModelViewSet):
+    # permission_classes = [IsAuthenticated]
+    serializer_class = ScheduleSerializer
+    queryset = Schedule.objects.all()