Backend initial commit

.gitignore

@@ -85,6 +85,8 @@ profile_default/
 ipython_config.py
 
 # pyenv
+#don't add database credentials
+.env
 .python-version
 
 # pipenv
@@ -189,3 +191,4 @@ gradle-app.setting
 
 /.vs/
 node_modules/
+.env

api/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

api/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class OurApplicationConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'api'

api/dummy_analysis.py

@@ -0,0 +1,13 @@
+
+def run_dummy(code, language):
+
+    return {
+        "summary" : "this dummy code is better than yours",
+        "findings" : [
+            {
+                "severity" : "Minimal",
+                "description" : "Bad code",
+                "fix" : "Figure it Out"
+            }
+        ]
+    }

api/migrations/0001_initial.py

@@ -0,0 +1,30 @@
+# Generated by Django 5.0.3 on 2026-02-18 09:51
+
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='AnalysisTask',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, primary_key=True, serialize=False)),
+                ('input_code', models.TextField()),
+                ('language', models.CharField(max_length=50)),
+                ('status', models.CharField(choices=[('QUEUED', 'Queued'), ('RUNNING', 'Running'), ('COMPLETED', 'Completed'), ('FAILED', 'Failed')], max_length=20)),
+                ('results', models.JSONField(blank=True, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

api/models.py

@@ -0,0 +1,21 @@
+#all id related lines are noted and can be deleted or changed if user id is skipped or substituted
+import uuid #for user ID
+from django.db import models
+from django.contrib.auth.models import User
+
+class AnalysisTask(models.Model):
+    #potential review request statuses
+    STATUS_OPT = [
+        ("QUEUED", "Queued"),
+        ("RUNNING", "Running"),
+        ("COMPLETED", "Completed"),
+        ("FAILED", "Failed")
+    ]
+
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4) #more user id
+    user = models.ForeignKey(User, on_delete=models.CASCADE) #user id/user
+    input_code = models.TextField() #user provided code
+    language = models.CharField(max_length=50) #language of user provided code
+    status = models.CharField(max_length=20, choices=STATUS_OPT) #status of review request
+    results = models.JSONField(null=True, blank=True) #results of review
+    created_at = models.DateTimeField(auto_now_add=True) #creation timestamp

api/serializers.py

@@ -0,0 +1,7 @@
+#this file uses serializers to define what information we add to our AnalysisTask model from user
+from rest_framework import serializers
+
+class AnalysisRequestSerializer(serializers.Serializer):
+    code = serializers.CharField() #for input code
+    #language definition of input code, can be commented out if language distinction added later
+    language = serializers.CharField()

api/tasks.py

@@ -0,0 +1,22 @@
+#from celery import shared_task #task queue to handle simultaneous requests, making testing annoying for now can readd later when necessary
+from api.models import AnalysisTask
+from .dummy_analysis import run_dummy
+
+#@shared_task --from celery, readd later
+def run_analysis_async(task_id):
+
+    #instance of analysisTask
+    task = AnalysisTask.objects.get(id=task_id)
+    task.status = "RUNNING" #update status
+    task.save() #save instance task
+
+    try:
+        #call ai api rather than dummy
+        results = run_dummy(task.input_code, task.language)
+
+        task.results = results #store results
+        task.status = "COMPLETED" #update status
+    except Exception(BaseException) as e:
+        task.status = "FAILED"
+
+    task.save()

api/tests.py

@@ -0,0 +1,60 @@
+from rest_framework.test import APITestCase
+from django.contrib.auth.models import User
+from rest_framework import status
+from .models import *
+from uuid import uuid4
+
+
+class InitialAnalysisTests(APITestCase):
+
+    def setUp(self):
+        #create user
+        self.User = User.objects.create_user(
+            username="username",
+            password="password"
+        )
+        self.client.login(username="username", password="password")
+
+    def test_create_analysisTask(self):
+
+        response = self.client.post("/api/analysis/",{
+            "code" : "print('Hello World')", #code to analyze
+            "language" : "Python" #language of code
+        }, format="json")
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn("task_id", response.data) #task_id in data
+        self.assertEqual(response.data["status"], "QUEUED")
+
+class InitialWorkflowTest(APITestCase):
+
+    def setUp(self):
+        #create user
+        self.User = User.objects.create_user(
+            username="username",
+            password="password"
+        )
+        self.client.login(username="username", password="password")
+
+    def test_initial_workflow(self):
+        response = self.client.post("/api/analysis/",{
+            "code" : "print('Hello Again')", #code to analyze
+            "language" : "Python" #language of code
+        }, format="json")
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        task_id = response.data["task_id"]
+
+        task = AnalysisTask.objects.get(id=task_id)
+
+        #confirm that dummy ran
+        self.assertEqual(task.status, "COMPLETED")
+
+        result_response = self.client.get(f"/api/analysis/{task_id}/")
+
+        #ensure task endpoint
+        self.assertEqual(result_response.status_code, 200)
+
+
+

api/urls.py

@@ -0,0 +1,8 @@
+from django.contrib.auth import get_user
+from django.urls import path
+from .views import *
+
+urlpatterns = [
+    path("analysis/", AnalysisView.as_view(), name="analysis"),
+    path("analysis/<uuid:task_id>/", StatusView.as_view(), name="analysis-status"),
+]

api/views.py

@@ -0,0 +1,41 @@
+#all id related lines are noted and can be deleted or changed if user id is skipped or substituted
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework.permissions import IsAuthenticated #for user id
+from api.models import AnalysisTask
+from api.serializers import AnalysisRequestSerializer
+from .tasks import run_analysis_async
+
+class AnalysisView(APIView):
+    permission_classes = [IsAuthenticated]
+
+    #analysis task endpoint
+    def post(self, request):
+        serializer = AnalysisRequestSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True) #deserialize, check correct input and format, raises 400 Bad Request on fail
+
+        task = AnalysisTask.objects.create(
+            user=request.user, #user
+            input_code=serializer.validated_data["code"],
+            language=serializer.validated_data["language"],
+            status="QUEUED"
+        )
+
+        run_analysis_async(str(task.id))
+
+        return Response({
+            "task_id": str(task.id),
+            "status": task.status
+        })
+
+class StatusView(APIView):
+    permission_classes = [IsAuthenticated]
+    #status endpoint
+    def get(self, request, task_id):
+        task = AnalysisTask.objects.get(id=task_id, user=request.user) #user
+
+        return Response({
+            "status": task.status,
+            "summary": task.results if task.status == "COMPLETED" else None
+        })
+

config/asgi.py

@@ -0,0 +1,16 @@
+"""
+ASGI config for config project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.0/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
+
+application = get_asgi_application()

config/settings.py

@@ -0,0 +1,140 @@
+"""
+Django settings for config project.
+
+Generated by 'django-admin startproject' using Django 5.0.3.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.0/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/5.0/ref/settings/
+"""
+import os
+from pathlib import Path
+
+#dotenv setup otherwise import and use db.py
+from dotenv import load_dotenv
+load_dotenv()
+
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-y+j3zht6sr%!!2fg0&-ek^21&)yc+y+5a*-ly+@16$8$px)a$@'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'api',
+    'rest_framework'
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'config.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'config.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/5.0/ref/settings/#databases
+
+
+
+#modified 2/22 to implement PostgreSQL
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': os.getenv('DB_NAME'),
+        'USER': os.getenv('DB_USER'),
+        'PASSWORD': os.getenv('DB_PASS'),
+        'HOST': os.getenv('DB_HOST'),
+        'PORT': os.getenv('DB_PORT'),
+        'OPTIONS': {
+            'sslmode': 'require',
+        }
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/5.0/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/5.0/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/5.0/howto/static-files/
+
+STATIC_URL = 'static/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'