Removed associative entity and fixed relationship between student status and study group

stude/accounts/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
+# Generated by Django 4.2.3 on 2023-09-25 13:07
 
 import accounts.models
 import django.contrib.auth.models
@@ -14,8 +14,8 @@ class Migration(migrations.Migration):
 
     dependencies = [
         ('semesters', '0001_initial'),
-        ('courses', '0001_initial'),
         ('auth', '0012_alter_user_first_name_max_length'),
+        ('courses', '0001_initial'),
     ]
 
     operations = [

stude/accounts/migrations/0002_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
+# Generated by Django 4.2.3 on 2023-09-25 13:07
 
 from django.db import migrations, models
 import django.db.models.deletion
@@ -9,9 +9,9 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
-        ('accounts', '0001_initial'),
         ('year_levels', '0001_initial'),
         ('subjects', '0001_initial'),
+        ('accounts', '0001_initial'),
         ('auth', '0012_alter_user_first_name_max_length'),
     ]
 

stude/courses/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
+# Generated by Django 4.2.3 on 2023-09-25 13:07
 
 from django.db import migrations, models
 

stude/landmarks/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
+# Generated by Django 4.2.3 on 2023-09-25 13:07
 
 import django.contrib.gis.db.models.fields
 from django.db import migrations, models

stude/schema.yml

@@ -547,9 +547,9 @@ paths:
                 items:
                   $ref: '#/components/schemas/Landmark'
           description: ''
-  /api/v1/messages/group_messages/:
+  /api/v1/messages/:
     get:
-      operationId: api_v1_messages_group_messages_list
+      operationId: api_v1_messages_list
       tags:
       - api
       security:
@@ -564,7 +564,7 @@ paths:
                   $ref: '#/components/schemas/Message'
           description: ''
     post:
-      operationId: api_v1_messages_group_messages_create
+      operationId: api_v1_messages_create
       tags:
       - api
       requestBody:
@@ -588,14 +588,15 @@ paths:
               schema:
                 $ref: '#/components/schemas/Message'
           description: ''
-  /api/v1/messages/group_messages/{id}/:
+  /api/v1/messages/{id}/:
     get:
-      operationId: api_v1_messages_group_messages_retrieve
+      operationId: api_v1_messages_retrieve
       parameters:
       - in: path
         name: id
         schema:
-          type: string
+          type: integer
+        description: A unique integer value identifying this message.
         required: true
       tags:
       - api
@@ -625,6 +626,48 @@ paths:
                 items:
                   $ref: '#/components/schemas/Semester'
           description: ''
+  /api/v1/student_status/filter/near_current_location/:
+    post:
+      operationId: api_v1_student_status_filter_near_current_location_create
+      tags:
+      - api
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/StudentStatusLocation'
+          application/x-www-form-urlencoded:
+            schema:
+              $ref: '#/components/schemas/StudentStatusLocation'
+          multipart/form-data:
+            schema:
+              $ref: '#/components/schemas/StudentStatusLocation'
+        required: true
+      security:
+      - jwtAuth: []
+      responses:
+        '201':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/StudentStatusLocation'
+          description: ''
+  /api/v1/student_status/filter/near_student_status:
+    get:
+      operationId: api_v1_student_status_filter_near_student_status_list
+      tags:
+      - api
+      security:
+      - jwtAuth: []
+      responses:
+        '200':
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/StudentStatusLocation'
+          description: ''
   /api/v1/student_status/list/:
     get:
       operationId: api_v1_student_status_list_list
@@ -720,14 +763,96 @@ paths:
                 items:
                   $ref: '#/components/schemas/StudyGroup'
           description: ''
-  /api/v1/study_groups/membership/:
+    post:
-    get:
+      operationId: api_v1_study_groups_create
-      operationId: api_v1_study_groups_membership_list
+      tags:
+      - api
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/StudyGroup'
+          application/x-www-form-urlencoded:
+            schema:
+              $ref: '#/components/schemas/StudyGroup'
+          multipart/form-data:
+            schema:
+              $ref: '#/components/schemas/StudyGroup'
+        required: true
+      security:
+      - jwtAuth: []
+      responses:
+        '201':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/StudyGroup'
+          description: ''
+    put:
+      operationId: api_v1_study_groups_update
+      tags:
+      - api
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/StudyGroup'
+          application/x-www-form-urlencoded:
+            schema:
+              $ref: '#/components/schemas/StudyGroup'
+          multipart/form-data:
+            schema:
+              $ref: '#/components/schemas/StudyGroup'
+        required: true
+      security:
+      - jwtAuth: []
+      responses:
+        '200':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/StudyGroup'
+          description: ''
+    patch:
+      operationId: api_v1_study_groups_partial_update
+      tags:
+      - api
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/PatchedStudyGroup'
+          application/x-www-form-urlencoded:
+            schema:
+              $ref: '#/components/schemas/PatchedStudyGroup'
+          multipart/form-data:
+            schema:
+              $ref: '#/components/schemas/PatchedStudyGroup'
+      security:
+      - jwtAuth: []
+      responses:
+        '200':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/StudyGroup'
+          description: ''
+    delete:
+      operationId: api_v1_study_groups_destroy
+      tags:
+      - api
+      security:
+      - jwtAuth: []
+      responses:
+        '204':
+          description: No response body
+  /api/v1/study_groups/near/:
+    get:
+      operationId: api_v1_study_groups_near_list
       tags:
       - api
       security:
       - jwtAuth: []
-      - {}
       responses:
         '200':
           content:
@@ -751,7 +876,7 @@ paths:
               schema:
                 type: array
                 items:
-                  $ref: '#/components/schemas/Subject'
+                  $ref: '#/components/schemas/SubjectInstance'
           description: ''
   /api/v1/subjects/{course_slug}:
     get:
@@ -774,7 +899,7 @@ paths:
               schema:
                 type: array
                 items:
-                  $ref: '#/components/schemas/Subject'
+                  $ref: '#/components/schemas/SubjectInstance'
           description: ''
   /api/v1/subjects/{course_slug}/{year_slug}/{semester_slug}:
     get:
@@ -807,7 +932,7 @@ paths:
               schema:
                 type: array
                 items:
-                  $ref: '#/components/schemas/Subject'
+                  $ref: '#/components/schemas/SubjectInstance'
           description: ''
   /api/v1/subjects/all:
     get:
@@ -824,7 +949,7 @@ paths:
               schema:
                 type: array
                 items:
-                  $ref: '#/components/schemas/Subject'
+                  $ref: '#/components/schemas/SubjectInstance'
           description: ''
   /api/v1/year_levels/:
     get:
@@ -886,8 +1011,7 @@ components:
           title: Email address
           maxLength: 254
         student_id_number:
-          type: string
+          type: integer
-          maxLength: 16
         year_level:
           type: string
           nullable: true
@@ -913,7 +1037,6 @@ components:
         avatar:
           type: string
           format: uri
-          nullable: true
         first_name:
           type: string
           maxLength: 100
@@ -923,6 +1046,7 @@ components:
         irregular:
           type: boolean
       required:
+      - avatar
       - course_shortname
       - first_name
       - last_name
@@ -996,8 +1120,7 @@ components:
           title: Email address
           maxLength: 254
         student_id_number:
-          type: string
+          type: integer
-          maxLength: 16
         year_level:
           type: string
           nullable: true
@@ -1023,7 +1146,6 @@ components:
         avatar:
           type: string
           format: uri
-          nullable: true
         first_name:
           type: string
           maxLength: 100
@@ -1042,20 +1164,45 @@ components:
           type: string
         location:
           type: string
+        timestamp:
+          type: string
+          format: date-time
+        active:
+          type: boolean
+        study_group:
+          type: integer
+          nullable: true
         landmark:
           type: string
           nullable: true
+    PatchedStudyGroup:
+      type: object
+      properties:
+        id:
+          type: integer
+          readOnly: true
+        name:
+          type: string
+        students:
+          type: array
+          items:
+            type: string
+        subject:
+          type: string
+        location:
+          type: string
+        landmark:
+          type: string
+          nullable: true
+        radius:
+          type: number
+          format: double
         active:
           type: boolean
         timestamp:
           type: string
           format: date
           readOnly: true
-        study_group:
-          type: array
-          items:
-            type: integer
-          readOnly: true
     Semester:
       type: object
       properties:
@@ -1115,25 +1262,52 @@ components:
           type: string
         location:
           type: string
+        timestamp:
+          type: string
+          format: date-time
+        active:
+          type: boolean
+        study_group:
+          type: integer
+          nullable: true
         landmark:
           type: string
           nullable: true
+      required:
+      - active
+      - location
+      - subject
+      - timestamp
+      - user
+    StudentStatusLocation:
+      type: object
+      properties:
+        user:
+          type: string
+          readOnly: true
+        location:
+          type: string
+        distance:
+          type: string
+          readOnly: true
+        subject:
+          type: string
         active:
           type: boolean
-        timestamp:
-          type: string
-          format: date
           readOnly: true
         study_group:
-          type: array
+          type: integer
-          items:
-            type: integer
           readOnly: true
+          nullable: true
+        landmark:
+          type: string
+          nullable: true
       required:
+      - active
+      - distance
       - location
       - study_group
       - subject
-      - timestamp
       - user
     StudyGroup:
       type: object
@@ -1141,11 +1315,12 @@ components:
         id:
           type: integer
           readOnly: true
-        users:
+        name:
+          type: string
+        students:
           type: array
           items:
             type: string
-            nullable: true
         subject:
           type: string
         location:
@@ -1153,9 +1328,9 @@ components:
         landmark:
           type: string
           nullable: true
-        name:
+        radius:
-          type: string
+          type: number
-          maxLength: 48
+          format: double
         active:
           type: boolean
         timestamp:
@@ -1166,9 +1341,11 @@ components:
       - id
       - location
       - name
+      - radius
+      - students
       - subject
       - timestamp
-    Subject:
+    SubjectInstance:
       type: object
       properties:
         id:
@@ -1176,7 +1353,7 @@ components:
           readOnly: true
         name:
           type: string
-          maxLength: 64
+          readOnly: true
         code:
           type: string
           maxLength: 16

stude/semesters/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
+# Generated by Django 4.2.3 on 2023-09-25 13:07
 
 from django.db import migrations, models
 

stude/student_status/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
+# Generated by Django 4.2.3 on 2023-09-25 13:07
 
 from django.conf import settings
 import django.contrib.gis.db.models.fields
@@ -11,8 +11,10 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
+        ('accounts', '0001_initial'),
+        ('study_groups', '0001_initial'),
         ('landmarks', '0001_initial'),
-        ('accounts', '0002_initial'),
+        ('subjects', '0001_initial'),
     ]
 
     operations = [
@@ -24,6 +26,8 @@ class Migration(migrations.Migration):
                 ('active', models.BooleanField(default=False)),
                 ('timestamp', models.DateTimeField(auto_now_add=True)),
                 ('landmark', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='landmarks.landmark')),
+                ('study_group', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='students', to='study_groups.studygroup')),
+                ('subject', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='subjects.subject', to_field='name')),
             ],
         ),
     ]

stude/student_status/migrations/0002_initial.py

@@ -1,28 +0,0 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
-
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    initial = True
-
-    dependencies = [
-        ('student_status', '0001_initial'),
-        ('study_groups', '0001_initial'),
-        ('subjects', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='studentstatus',
-            name='study_group',
-            field=models.ManyToManyField(blank=True, through='study_groups.StudyGroupMembership', to='study_groups.studygroup'),
-        ),
-        migrations.AddField(
-            model_name='studentstatus',
-            name='subject',
-            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='subjects.subject'),
-        ),
-    ]

stude/student_status/migrations/0003_alter_studentstatus_subject.py

@@ -1,20 +0,0 @@
-# Generated by Django 4.2.3 on 2023-09-05 12:19
-
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('subjects', '0002_alter_subject_name_alter_subjectinstance_subject'),
-        ('student_status', '0002_initial'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='studentstatus',
-            name='subject',
-            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='subjects.subject', to_field='name'),
-        ),
-    ]

stude/student_status/models.py

@@ -16,8 +16,8 @@ class StudentStatus(models.Model):
     timestamp = models.DateTimeField(auto_now_add=True)
     landmark = models.ForeignKey(
         'landmarks.Landmark', on_delete=models.SET_NULL, null=True)
-    study_group = models.ManyToManyField(
+    study_group = models.ForeignKey(
-        'study_groups.StudyGroup', through='study_groups.StudyGroupMembership', blank=True)
+        'study_groups.StudyGroup', on_delete=models.SET_NULL, null=True, related_name='students')
 
     def __str__(self):
         return self.user.full_name

stude/study_groups/admin.py

@@ -1,7 +1,6 @@
 from django.contrib import admin
-from .models import StudyGroup, StudyGroupMembership
+from .models import StudyGroup
 from leaflet.admin import LeafletGeoAdmin
 
 
 admin.site.register(StudyGroup, LeafletGeoAdmin)
-admin.site.register(StudyGroupMembership)

stude/study_groups/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
+# Generated by Django 4.2.3 on 2023-09-25 13:07
 
 import django.contrib.gis.db.models.fields
 from django.db import migrations, models
@@ -10,8 +10,8 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
-        ('student_status', '0001_initial'),
         ('subjects', '0001_initial'),
+        ('landmarks', '0001_initial'),
     ]
 
     operations = [
@@ -23,20 +23,8 @@ class Migration(migrations.Migration):
                 ('location', django.contrib.gis.db.models.fields.PointField(blank=True, null=True, srid=4326)),
                 ('active', models.BooleanField(default=False)),
                 ('timestamp', models.DateField(auto_now_add=True)),
+                ('landmark', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='landmarks.landmark')),
                 ('subject', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='subjects.subject')),
             ],
         ),
-        migrations.CreateModel(
-            name='StudyGroupMembership',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('study_group', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='study_groups.studygroup')),
-                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='student_status.studentstatus')),
-            ],
-        ),
-        migrations.AddField(
-            model_name='studygroup',
-            name='users',
-            field=models.ManyToManyField(through='study_groups.StudyGroupMembership', to='student_status.studentstatus'),
-        ),
     ]

stude/study_groups/migrations/0002_studygroup_landmark.py

@@ -1,20 +0,0 @@
-# Generated by Django 4.2.3 on 2023-09-24 10:59
-
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('landmarks', '0001_initial'),
-        ('study_groups', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='studygroup',
-            name='landmark',
-            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='landmarks.landmark'),
-        ),
-    ]

stude/study_groups/models.py

@@ -7,8 +7,6 @@ from django.contrib.gis.geos import Point
 
 class StudyGroup(models.Model):
     name = models.CharField(max_length=48)
-    users = models.ManyToManyField(
-        'student_status.StudentStatus', through='StudyGroupMembership')
     location = gis_models.PointField(blank=True, null=True, srid=4326)
     subject = models.ForeignKey(Subject, on_delete=models.CASCADE)
     active = models.BooleanField(default=False)
@@ -18,13 +16,3 @@ class StudyGroup(models.Model):
 
     def __str__(self):
         return self.name
-
-
-class StudyGroupMembership(models.Model):
-    user = models.ForeignKey(
-        'student_status.StudentStatus', on_delete=models.CASCADE)
-    study_group = models.ForeignKey(
-        'study_groups.StudyGroup', on_delete=models.CASCADE)
-
-    def __str__(self):
-        return f'StudyGroupMembership: User={self.user}, StudyGroup={self.study_group.name}'

stude/study_groups/serializers.py

@@ -1,5 +1,5 @@
 from rest_framework import serializers
-from .models import StudyGroup, StudyGroupMembership
+from .models import StudyGroup
 from accounts.models import CustomUser
 from subjects.models import Subject
 from drf_extra_fields.geo_fields import PointField
@@ -15,8 +15,7 @@ class CustomUserKeyRelatedField(serializers.PrimaryKeyRelatedField):
 
 class StudyGroupSerializer(serializers.ModelSerializer):
     name = serializers.CharField()
-    users = CustomUserKeyRelatedField(
+    students = serializers.StringRelatedField(many=True)
-        queryset=CustomUser.objects.all(), many=True)
     subject = serializers.SlugRelatedField(
         many=False, slug_field='name', queryset=Subject.objects.all(), required=True, allow_null=False)
     location = PointField()
@@ -42,14 +41,4 @@ class StudyGroupSerializer(serializers.ModelSerializer):
     class Meta:
         model = StudyGroup
         fields = '__all__'
-        read_only_fields = ['landmark', 'radius']
+        read_only_fields = ['landmark', 'radius', 'students']
-
-
-class StudyGroupMembershipSerializer(serializers.ModelSerializer):
-    user = serializers.CharField(source='accounts.CustomUser', read_only=True)
-    subject = serializers.CharField(
-        source='study_groups.StudyGroup', read_only=True)
-
-    class Meta:
-        model = StudyGroupMembership
-        fields = '__all__'

stude/study_groups/urls.py

@@ -1,8 +1,7 @@
 from django.urls import include, path
-from .views import StudyGroupListView, StudyGroupListNearView, StudyGroupMembershipViewSet
+from .views import StudyGroupListView, StudyGroupListNearView
 
 urlpatterns = [
     path('', StudyGroupListView.as_view()),
     path('near/', StudyGroupListNearView.as_view()),
-    path('membership/', StudyGroupMembershipViewSet.as_view()),
 ]

stude/study_groups/views.py

@@ -1,5 +1,5 @@
 from django.shortcuts import render
-from rest_framework import generics
+from rest_framework import generics, mixins
 from rest_framework.exceptions import PermissionDenied
 from rest_framework.permissions import IsAuthenticated
 from .serializers import StudyGroupSerializer
@@ -11,6 +11,8 @@ from django.contrib.gis.geos import fromstr
 from django.contrib.gis.db.models.functions import Distance
 from rest_framework import status
 from rest_framework.response import Response
+from rest_framework import permissions
+
 # Create your views here.
 
 
@@ -19,45 +21,6 @@ class StudyGroupListView(generics.ListCreateAPIView, generics.UpdateAPIView, gen
     serializer_class = StudyGroupSerializer
     queryset = StudyGroup.objects.all()
 
-    def partial_update(self, instance, request, *args, **kwargs):
-        # Ensure only "users" field is being updated
-        if set(request.data.keys()) != {"users"}:
-            return Response({"detail": "Only the 'users' field can be updated."}, status=status.HTTP_400_BAD_REQUEST)
-
-        # Get the current list of users
-        instance = self.get_object()
-        current_users = set(instance.users.values_list('id', flat=True))
-
-        # Get the new list of users from the request
-        new_users = set(request.data['users'])
-
-        # Check if the only difference between the two sets is the current user
-        diff = current_users.symmetric_difference(new_users)
-        if len(diff) > 1 or (len(diff) == 1 and request.user.id not in diff):
-            return Response({"detail": "You can only add or remove yourself from the study group."}, status=status.HTTP_400_BAD_REQUEST)
-
-        # Delete the study group if there are no users left
-        instance = self.get_object()
-        if not instance.users.exists():
-            instance.delete()
-
-        return super().partial_update(request, *args, **kwargs)
-
-    def destroy(self, request, *args, **kwargs):
-        instance = self.get_object()
-
-        # Check if the current user is the creator of the study group
-        # Assuming 'date_joined' is a field in your User model
-        creator = instance.users.all().first()
-        if request.user != creator:
-            return Response({"detail": "Only the creator can delete the study group."}, status=status.HTTP_400_BAD_REQUEST)
-
-        # Check if the current user is the only one in the study group
-        if instance.users.count() > 1:
-            return Response({"detail": "The study group cannot be deleted if there are other users in it."}, status=status.HTTP_400_BAD_REQUEST)
-
-        return super().destroy(request, *args, **kwargs)
-
     def get_queryset(self):
         user = self.request.user
 
@@ -145,6 +108,7 @@ class StudyGroupListNearView(generics.ListAPIView):
         return studygroups
 
 
-class StudyGroupMembershipViewSet(generics.ListAPIView):
+class IsOwnerOrReadOnly(permissions.BasePermission):
-    serializer_class = StudyGroupSerializer
+    def has_object_permission(self, request, view, obj):
-    queryset = StudyGroup.objects.all()
+        # Check if the requesting user's student status matches the user field
+        return obj.user == request.user.studentstatus

stude/studygroup_messages/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
+# Generated by Django 4.2.3 on 2023-09-25 13:07
 
 from django.conf import settings
 from django.db import migrations, models

stude/studygroup_messages/urls.py

@@ -3,7 +3,7 @@ from rest_framework import routers
 from . import views
 
 router = routers.DefaultRouter()
-router.register(r'group_messages', views.MessageViewSet,
+router.register(r'', views.MessageViewSet,
                 basename='group_messages')
 
 # Wire up our API using automatic URL routing.

stude/studygroup_messages/views.py

@@ -5,7 +5,6 @@ from rest_framework.permissions import IsAuthenticated
 from rest_framework.exceptions import PermissionDenied
 from rest_framework import viewsets
 from student_status.models import StudentStatus
-from study_groups.models import StudyGroupMembership
 from rest_framework.response import Response
 from rest_framework import status
 # Create your views here.
@@ -15,25 +14,29 @@ class MessageViewSet(viewsets.ModelViewSet):
     serializer_class = MessageSerializer
     permission_classes = [IsAuthenticated]
     http_method_names = ['get', 'post']
-
+    queryset = Message.objects.all()
-    def get_object(self):
-        user = self.request.user
-        return Message.objects.get(user=user)
 
     def perform_create(self, serializer):
         user = self.request.user
-        study_group_id_list = StudyGroupMembership.objects.filter(
+        user_status = StudentStatus.objects.filter(user=user).first()
-            user=user.id).values_list('study_group', flat=True).first()
+        user_study_group = user_status.study_group
-        serializer.save(user=user, study_group_id=study_group_id_list)
+        serializer.save(user=user, study_group=user_study_group)
 
     def get_queryset(self):
         user = self.request.user
+        user_status = StudentStatus.objects.filter(user=user).first()
+        user_study_group = user_status.study_group
 
         if not user.is_student:
             raise PermissionDenied(
                 "You must be a student to view messages of your current study group"
             )
 
+        if not user_study_group:
+            raise PermissionDenied(
+                "You are currently do not have a study group"
+            )
+
         # Get student_status id of the current user
         student_status = StudentStatus.objects.filter(
             user=user.id
@@ -41,15 +44,9 @@ class MessageViewSet(viewsets.ModelViewSet):
 
         print("User ID:", user.id)
         print("Student_Status ID:", student_status)
-
+        print("User Study Group:", user_study_group)
-        # Get the study group id
-        print(StudyGroupMembership.objects.all())
-        study_group_id_list = StudyGroupMembership.objects.filter(
-            user=user.id).values_list('study_group').first()
-
-        print("Study Group List:", study_group_id_list)
 
         # Now fetch the Messages matching the study group id
         messages = Message.objects.filter(
-            study_group=study_group_id_list).order_by('-timestamp')
+            study_group=user_study_group).order_by('-timestamp')
         return messages

stude/subjects/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
+# Generated by Django 4.2.3 on 2023-09-25 13:07
 
 from django.conf import settings
 from django.db import migrations, models
@@ -12,8 +12,8 @@ class Migration(migrations.Migration):
     dependencies = [
         ('year_levels', '0001_initial'),
         ('semesters', '0001_initial'),
-        ('courses', '0001_initial'),
         migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('courses', '0001_initial'),
     ]
 
     operations = [
@@ -21,7 +21,7 @@ class Migration(migrations.Migration):
             name='Subject',
             fields=[
                 ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('name', models.CharField(max_length=64)),
+                ('name', models.CharField(max_length=64, unique=True)),
                 ('students', models.ManyToManyField(blank=True, to=settings.AUTH_USER_MODEL)),
             ],
         ),
@@ -32,7 +32,7 @@ class Migration(migrations.Migration):
                 ('code', models.CharField(max_length=16)),
                 ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='courses.course')),
                 ('semester', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='semesters.semester')),
-                ('subject', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='subjects.subject')),
+                ('subject', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='subjects.subject', to_field='name')),
                 ('year_level', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='year_levels.year_level')),
             ],
         ),

stude/subjects/migrations/0002_alter_subject_name_alter_subjectinstance_subject.py

@@ -1,24 +0,0 @@
-# Generated by Django 4.2.3 on 2023-09-05 12:19
-
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('subjects', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='subject',
-            name='name',
-            field=models.CharField(max_length=64, unique=True),
-        ),
-        migrations.AlterField(
-            model_name='subjectinstance',
-            name='subject',
-            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='subjects.subject', to_field='name'),
-        ),
-    ]

stude/year_levels/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.3 on 2023-09-03 09:32
+# Generated by Django 4.2.3 on 2023-09-25 13:07
 
 from django.db import migrations, models