Remove redis cache for django rest api for now as it returns stale data and improved dockerfile and study group viewsets

Dockerfile

@@ -1,7 +1,7 @@
 # Use the official Python 3.11 image
-FROM --platform=arm64 python:3.11.4-bookworm
+# FROM --platform=arm64 python:3.11.4-bookworm
 # ARG BUILDPLATFORM
-# FROM --platform=${BUILDPLATFORM} python:3.11.4-bookworm
+FROM python:3.11.4-bookworm
 
 ENV PYTHONBUFFERED 1
 

stude/config/settings.py

@@ -267,17 +267,17 @@ LEAFLET_CONFIG = {
 REDIS_HOST = os.getenv('REDIS_HOST')
 REDIS_PORT = os.getenv('REDIS_PORT')
 
-
 # Django Redis Cache
-CACHES = {
+# CACHES = {
-    "default": {
+#    "default": {
-        "BACKEND": "django_redis.cache.RedisCache",
+#        "BACKEND": "django_redis.cache.RedisCache",
-        "LOCATION": "redis://redis:6379/0",
+#        "LOCATION": "redis://redis:6379/0",
-        "OPTIONS": {
+#        "OPTIONS": {
-            "CLIENT_CLASS": "django_redis.client.DefaultClient",
+#            "CLIENT_CLASS": "django_redis.client.DefaultClient",
-        }
+#        }
-    }
+#    }
-}
+# }
+
 
 SESSION_ENGINE = "django.contrib.sessions.backends.cache"
 SESSION_CACHE_ALIAS = "default"

stude/study_groups/urls.py

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

stude/study_groups/views.py

@@ -5,6 +5,10 @@ from rest_framework.permissions import IsAuthenticated
 from .serializers import StudyGroupSerializer
 from .models import StudyGroup
 from subjects.models import Subject
+from student_status.models import StudentStatus
+from rest_framework import generics, viewsets, exceptions
+from django.contrib.gis.geos import fromstr
+from django.contrib.gis.db.models.functions import Distance
 # Create your views here.
 
 
@@ -37,6 +41,42 @@ class StudyGroupListView(generics.ListAPIView):
         return studygroups
 
 
+class StudyGroupListNearView(generics.ListAPIView):
+    permission_classes = [IsAuthenticated]
+    serializer_class = StudyGroupSerializer
+    queryset = StudyGroup.objects.all()
+
+    def get_queryset(self):
+        user = self.request.user
+        user_status = StudentStatus.objects.filter(user=user).first()
+        user_location = fromstr(
+            user_status.location, srid=4326)
+
+        if user_status.active is False:
+            raise exceptions.ValidationError("Student Status is not active")
+
+        if not user.is_student:
+            raise PermissionDenied(
+                "You must be a student to view study groups"
+            )
+
+        # Get the user's course
+        user_course = user.course
+        print(user_course)
+
+        # Get subject names related to the user's course
+        subject_names = Subject.objects.filter(
+            course=user_course
+        ).values_list('subject', flat=True)
+
+        print(subject_names)
+
+        # Now fetch the StudyGroups with the matching subject names that are within 50m
+        studygroups = StudyGroup.objects.filter(subject_name__in=subject_names).annotate(
+            distance=Distance('location', user_location)).filter(distance__lte=50)
+        return studygroups
+
+
 class StudyGroupMembershipViewSet(generics.ListAPIView):
     serializer_class = StudyGroupSerializer
     queryset = StudyGroup.objects.all()