Build community calendar social network on GAE

[danecjensen]

Implemented a complete community calendar social network with:

Features:

• User authentication system (registration, login, logout)
• Profile management with image upload capability
• Timeline UI (Facebook-style) for posting and viewing events
• Interactive calendar view using FullCalendar library
• Event detail modals with comments when clicking calendar events
• Comment system for engaging with events
• Admin panel for user and event management
• Role-based access control (admin/user roles)

Tech Stack:

• Backend: Python Flask 3.0 with Google App Engine
• Database: Google Cloud Datastore (NDB)
• Frontend: Bootstrap 5, FullCalendar, Font Awesome
• Security: Flask-Talisman (CSP), Flask-SeaSurf (CSRF protection)

Database Models:

• User: email, password_hash, display_name, profile_image, is_admin
• Event: title, description, date, time, location, author
• Comment: content, author, event, timestamp

Routes Implemented:

• /register, /login, /logout - Authentication
• /profile - User profile management
• /timeline - Main event feed
• /calendar - Interactive calendar view
• /event/ - Single event with comments
• /admin - Admin panel
• /api/events, /api/event/ - JSON APIs for calendar

Security Features:

• CSRF protection on all forms
• Content Security Policy headers
• HTTPS enforcement
• Secure session cookies
• Password hashing
• Input validation

Ready for deployment to Google App Engine.

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.