Made the app deployment ready

.env.sample

@@ -1,3 +1,5 @@
+SECRET_KEY=
+
 DB_NAME=
 DB_USER=
 DB_PASSWORD=

api/models.py

@@ -55,7 +55,7 @@ class QuestionPaper(models.Model):
     month = models.CharField(max_length=20)
     year = models.IntegerField()
     file_id = models.CharField(max_length=255)
-    file_size = models.IntegerField(max_length=20)
+    file_size = models.IntegerField()
     file_format = models.CharField(max_length=20)
     subject = models.ForeignKey(Subject, on_delete=models.CASCADE)
     description = models.TextField(null=True, blank=True)
@@ -67,7 +67,7 @@ class Note(models.Model):
     note_id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     title = models.CharField(max_length=255)
     file_id = models.CharField(max_length=255)
-    file_size = models.IntegerField(max_length=20)
+    file_size = models.IntegerField()
     file_format = models.CharField(max_length=20)
     subject = models.ForeignKey(Subject, on_delete=models.CASCADE)
     description = models.TextField(null=True, blank=True)

api/views.py

@@ -1,4 +1,5 @@
-from rest_framework import viewsets
+from rest_framework import viewsets, status
+from rest_framework.response import Response
 
 from .models import (Branch, Note, QuestionPaper, Semester, SemesterGroup,
                      Subject, SubjectType)
@@ -28,6 +29,23 @@ class SubjectViewSet(viewsets.ModelViewSet):
     queryset = Subject.objects.all()
     serializer_class = SubjectSerializer
 
+    def create(self, request, *args, **kwargs):
+        serializer = self.get_serializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+
+        code = serializer.validated_data['code']
+        if Subject.objects.filter(code=code).first():
+            return Response({"detail": "Subject already exists."}, status=status.HTTP_400_BAD_REQUEST)
+
+        self.perform_create(serializer)
+        headers = self.get_success_headers(serializer.data)
+        return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
+
+    def get_queryset(self):
+        if code := self.request.query_params.get('code'):
+            return Subject.objects.filter(code=code)
+        return Subject.objects.all()
+
 class QuestionPaperViewSet(viewsets.ModelViewSet):
     queryset = QuestionPaper.objects.all()
     serializer_class = QuestionPaperSerializer

prepportal/settings.py

@@ -24,12 +24,12 @@
 # See https://docs.djangoproject.com/en/4.2/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'django-insecure-*lau3ea78+)lm9ey#p#dpnih6_n67p*twei&$@vg34c3l*f4s9'
+SECRET_KEY = os.environ.get("SECRET_KEY")
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = ["*", "chrome-extension://amknoiejhlmhancpahfcfcfhllgkpbld"]
+ALLOWED_HOSTS = ["*"]
 
 
 # Application definition
@@ -130,6 +130,8 @@
 # https://docs.djangoproject.com/en/4.2/howto/static-files/
 
 STATIC_URL = 'static/'
+STATICFILES_DIRS = [os.path.join(BASE_DIR, "static")]
+STATIC_ROOT = os.path.join(BASE_DIR, "staticfiles")
 
 # Default primary key field type
 # https://docs.djangoproject.com/en/4.2/ref/settings/#default-auto-field

railway.json

@@ -0,0 +1,11 @@
+{
+    "$schema": "https://railway.app/railway.schema.json",
+    "build": {
+        "builder": "NIXPACKS"
+    },
+    "deploy": {
+        "startCommand": "python manage.py migrate && python manage.py collectstatic --noinput && gunicorn mysite.wsgi",
+        "restartPolicyType": "ON_FAILURE",
+        "restartPolicyMaxRetries": 10
+    }
+}

requirements.txt

@@ -2,4 +2,5 @@ djangorestframework
 psycopg2-binary
 python-dotenv
 django-cors-headers
-django-debug-toolbar
+django-debug-toolbar
+gunicorn