j-harishankar · j-harishankar · Jul 1, 2025 · Jun 29, 2025 · Jun 29, 2025 · Jun 29, 2025
diff --git a/icon.png → extension/icon.png b/icon.png → extension/icon.png
diff --git a/manifest.json → extension/manifest.json b/manifest.json → extension/manifest.json
@@ -2,8 +2,9 @@
   "manifest_version": 3,
   "name": "LeetCode Helper",
   "version": "1.0",
-  "description": "Get AI-powered help while solving LeetCode problems.",
-  "permissions": [],
+  "description": "Get AI-powered help while solving LeetCode problems",
+  "permissions": ["activeTab", "scripting", "tabs"],
+  "host_permissions": ["https://leetcode.com/*"],
   "action": {
     "default_popup": "popup.html",
     "default_icon": {

diff --git a/popup.html → extension/popup.html b/popup.html → extension/popup.html
@@ -6,8 +6,13 @@
     body {
       font-family: Arial, sans-serif;
       padding: 10px;
-      width: 250px;
+      width: 300px;
     }
+
+    h3 {
+      margin-top: 0;
+    }
+
     #getHelp {
       padding: 10px;
       background: #4CAF50;
@@ -16,13 +21,24 @@
       width: 100%;
       border-radius: 5px;
       cursor: pointer;
+      margin-bottom: 10px;
+    }
+
+    ul {
+      padding-left: 20px;
+    }
+
+    li {
+      margin-bottom: 5px;
     }
   </style>
 </head>
 <body>
   <h3>Need Help with LeetCode?</h3>
   <button id="getHelp">Get Step-by-Step Help</button>
 
+  <ul id="output"></ul> <!-- This is where the guided steps will appear -->
+
   <script src="popup.js"></script>
 </body>
 </html>
diff --git a/extension/popup.js b/extension/popup.js
@@ -0,0 +1,36 @@
+console.log("📦 popup.js loaded");
+
+document.getElementById("getHelp").addEventListener("click", async () => {
+  chrome.tabs.query({ active: true, currentWindow: true }, async (tabs) => {
+    const tab = tabs[0];
+    const url = tab.url;
+    const title = tab.title;
+
+    console.log("LeetCode URL:", url);
+    console.log("Problem Title:", title);
+
+    const response = await fetch("http://127.0.0.1:8000/api/solve/", {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json"
+      },
+      body: JSON.stringify({ title, url })
+    });
+
+    const data = await response.json();
+    console.log("✅ Response from Django:", data);
+
+    const output = document.getElementById("output");
+    output.innerHTML = "";
+
+    if (data.steps && Array.isArray(data.steps)) {
+      data.steps.forEach((step, index) => {
+        const li = document.createElement("li");
+        li.textContent = step;
+        output.appendChild(li);
+      });
+    } else {
+      output.innerHTML = "<p>No steps found.</p>";
+    }
+  });
+});
diff --git a/leetcode_backend/api/__init__.py b/leetcode_backend/api/__init__.py
diff --git a/leetcode_backend/api/__pycache__/__init__.cpython-313.pyc b/leetcode_backend/api/__pycache__/__init__.cpython-313.pyc
diff --git a/leetcode_backend/api/__pycache__/admin.cpython-313.pyc b/leetcode_backend/api/__pycache__/admin.cpython-313.pyc
diff --git a/leetcode_backend/api/__pycache__/apps.cpython-313.pyc b/leetcode_backend/api/__pycache__/apps.cpython-313.pyc
diff --git a/leetcode_backend/api/__pycache__/models.cpython-313.pyc b/leetcode_backend/api/__pycache__/models.cpython-313.pyc
diff --git a/leetcode_backend/api/__pycache__/urls.cpython-313.pyc b/leetcode_backend/api/__pycache__/urls.cpython-313.pyc
diff --git a/leetcode_backend/api/__pycache__/views.cpython-313.pyc b/leetcode_backend/api/__pycache__/views.cpython-313.pyc
diff --git a/leetcode_backend/api/admin.py b/leetcode_backend/api/admin.py
@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.
diff --git a/leetcode_backend/api/apps.py b/leetcode_backend/api/apps.py
@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class ApiConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'api'
diff --git a/leetcode_backend/api/migrations/__init__.py b/leetcode_backend/api/migrations/__init__.py
diff --git a/leetcode_backend/api/migrations/__pycache__/__init__.cpython-313.pyc b/leetcode_backend/api/migrations/__pycache__/__init__.cpython-313.pyc
diff --git a/leetcode_backend/api/models.py b/leetcode_backend/api/models.py
@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.
diff --git a/leetcode_backend/api/tests.py b/leetcode_backend/api/tests.py
@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.
diff --git a/leetcode_backend/api/urls.py b/leetcode_backend/api/urls.py
@@ -0,0 +1,6 @@
+from django.urls import path 
+from .views import solve_view
+
+urlpatterns = [
+        path('solve/', solve_view),
+]
diff --git a/leetcode_backend/api/views.py b/leetcode_backend/api/views.py
@@ -0,0 +1,36 @@
+from django.http import JsonResponse
+from django.views.decorators.csrf import csrf_exempt
+import json
+import google.generativeai as genai
+from django.conf import settings
+
+# Create your views here.
+
+genai.configure(api_key=settings.GEMINI_API_KEY)
+@csrf_exempt
+def solve_view(request):
+    if request.method == 'POST':
+        data = json.loads(request.body)
+        title = data.get("title")
+        url = data.get("url")
+        print(f"Received: {title}, {url}")
+
+        prompt = f"""
+        You're an expert LeetCode mentor. A user is working on the problem titled: "{title}" ({url}).
+        Give them clear, step-by-step guidance to solve it — including edge cases, brute-force thinking, and optimization ideas.
+        DO NOT write or suggest actual code.
+        Only provide strategic help in natural language.
+        """
+
+
+        model = genai.GenerativeModel("models/gemini-1.5-flash")  
+        response = model.generate_content(prompt)
+        answer = response.text
+
+
+        steps = answer.strip().split("\n")
+        steps = [step.strip() for step in steps if step.strip()]
+
+        return JsonResponse({"steps": steps})
+
+    return JsonResponse({"error": "Only POST allowed"}, status=400)
diff --git a/leetcode_backend/backend/__init__.py b/leetcode_backend/backend/__init__.py
diff --git a/leetcode_backend/backend/__pycache__/__init__.cpython-313.pyc b/leetcode_backend/backend/__pycache__/__init__.cpython-313.pyc
diff --git a/leetcode_backend/backend/__pycache__/settings.cpython-313.pyc b/leetcode_backend/backend/__pycache__/settings.cpython-313.pyc
diff --git a/leetcode_backend/backend/__pycache__/urls.cpython-313.pyc b/leetcode_backend/backend/__pycache__/urls.cpython-313.pyc
diff --git a/leetcode_backend/backend/__pycache__/wsgi.cpython-313.pyc b/leetcode_backend/backend/__pycache__/wsgi.cpython-313.pyc
diff --git a/leetcode_backend/backend/asgi.py b/leetcode_backend/backend/asgi.py
@@ -0,0 +1,16 @@
+"""
+ASGI config for backend 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/5.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'backend.settings')
+
+application = get_asgi_application()
diff --git a/leetcode_backend/backend/settings.py b/leetcode_backend/backend/settings.py
@@ -0,0 +1,128 @@
+"""
+Django settings for backend project.
+
+Generated by 'django-admin startproject' using Django 5.2.3.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.2/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/5.2/ref/settings/
+"""
+
+from pathlib import Path
+
+# 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/5.2/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-3i1tui3mzz&3ovzlutdog7y!j=8o9(vuah3yg*k!a57r%u(6%w'
+GEMINI_API_KEY = "AIzaSyDU88ywematkfLK7q9j5GXIRlZhewSDH3E"
+
+# 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',
+    'corsheaders',
+]
+
+MIDDLEWARE = [
+    'corsheaders.middleware.CorsMiddleware', 
+    'django.middleware.common.CommonMiddleware',
+    '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 = 'backend.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'backend.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/5.2/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/5.2/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/5.2/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/5.2/howto/static-files/
+
+STATIC_URL = 'static/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+CORS_ALLOW_ALL_ORIGINS = True
diff --git a/leetcode_backend/backend/urls.py b/leetcode_backend/backend/urls.py
@@ -0,0 +1,23 @@
+"""
+URL configuration for backend project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/5.2/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path,include
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('api/',include('api.urls')),
+]
diff --git a/leetcode_backend/backend/wsgi.py b/leetcode_backend/backend/wsgi.py
@@ -0,0 +1,16 @@
+"""
+WSGI config for backend project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'backend.settings')
+
+application = get_wsgi_application()
diff --git a/leetcode_backend/db.sqlite3 b/leetcode_backend/db.sqlite3
diff --git a/leetcode_backend/manage.py b/leetcode_backend/manage.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'backend.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/leetcode_backend/requirements.txt b/leetcode_backend/requirements.txt
@@ -0,0 +1,4 @@
+asgiref==3.8.1
+Django==5.2.3
+sqlparse==0.5.3
+tzdata==2025.2
diff --git a/popup.js b/popup.js
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		from django.contrib import admin

		# Register your models here.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		from django.db import models

		# Create your models here.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		from django.test import TestCase

		# Create your tests here.