thrilltrack-explorer/replit.md

ThrillWiki - Theme Park & Ride Encyclopedia

Overview

ThrillWiki is a community-driven web application for discovering, reviewing, and tracking theme parks, rides, and related entities globally. Its core purpose is to provide a centralized platform for enthusiasts to research attractions and contribute to a collaborative knowledge base through user contributions and reviews, offering a comprehensive encyclopedia for the theme park world.

Recent Changes

October 2025 - Comprehensive Bug Analysis & Fixes (Latest)

• Rate Limiting Optimization: Fixed detect-location edge function to only perform cleanup when adding new IPs at capacity, improving performance by short-circuiting existing entries
• Null Safety: Fixed PhotoSubmissionDisplay null reference errors by switching from !inner join to regular join with filtering
• User-Facing Error Messages: Added error state handling to useSearch and LocationSearch hooks, displaying user-friendly error messages instead of silent failures
• Image Upload Cleanup: Enhanced error tracking in imageUploadHelper to report orphaned assets and detailed cleanup failures
• Type Safety in Edge Functions: Added explicit null checks and error handling for RPC calls and crypto.randomUUID availability in seed-test-data
• Improved Error Messages: Updated all Supabase edge functions with clearer, user-oriented error messages

October 2025 - Bug Fixes & Stability Improvements

• Fixed Fast Refresh/HMR issues by separating hook exports from component files (useSidebar, uploadPendingImages)
• Added comprehensive null/undefined safety checks across PhotoModal, EntityHistoryTimeline, useEntityVersions, and EntityEditPreview components
• Improved error handling with specific file names in upload error messages
• Enhanced AutocompleteSearch dropdown UX with proper loading state visibility
• Implemented deep object comparison in EntityEditPreview for accurate change detection
• Verified memory leak prevention (object URL cleanup, subscription cleanup, timeout cleanup all properly implemented)

User Preferences

Preferred communication style: Simple, everyday language.

System Architecture

Frontend

• Tech Stack: React + TypeScript with Vite, Radix UI + Tailwind CSS (shadcn/ui), TanStack Query for state management, React Router v6 for routing.
• Component Structure: Utilizes layout, page-level, reusable UI, and custom domain components.
• Design System: HSL-based color system, dark/light theme support, custom gradients, Inter font, responsive and mobile-first design.
• State Management: TanStack Query for server state, React Context for authentication, custom hooks for business logic, and Realtime subscriptions for live updates.

Backend

• Database (Supabase PostgreSQL): Stores core entities (parks, rides, companies), location data, review/rating systems, user profiles, content submission workflows, and image metadata.
• Authentication & Authorization: Supabase Auth for user management (magic link, email/password), Cloudflare Turnstile for bot protection, role-based access control (user, moderator, admin, superuser), and Row-Level Security (RLS).
• Content Moderation: Two-tier submission workflow with dependency tracking, conflict resolution, real-time updates for moderation queues, automated slug generation, and status tracking.
• Data Access: Security definer functions for privileged operations, complex joins, aggregated data, full-text search, and real-time subscriptions.

Image Management

• Cloudflare Images Integration: Used for media storage and transformation, with uploads proxied via Supabase Edge Functions. Supports multiple variants for responsive display and stores metadata in Supabase.
• Upload Workflow: Uppy dashboard for multi-file uploads, image editor integration, progress tracking, and automatic resizing/optimization via Cloudflare.

Notification System (Novu)

• Architecture: Multi-channel delivery (in-app, email, push), workflow-based templates, per-workflow user preferences, frequency controls, and headless notifications.
• Features: Supports subscriber management and preference syncing via Supabase Edge Functions.

Search & Discovery

• Multi-Entity Search: Unified search across parks, rides, and companies with autocomplete, recent history, category/type filtering, and advanced filters.
• Location Features: Automatic unit conversion, geo-based preferences, and distance/measurement system settings.

User Management

• Profile System: Customizable usernames, display names, avatars, bios, privacy controls, home park selection, and activity tracking.
• User Blocking: Functionality to block users and hide their content.
• Role Management: Hierarchical permission system for superuser, admin, moderator, and user roles, with role-specific UI and routes.

Admin & Moderation

• Moderation Queue: Real-time monitoring of submissions, item-level approval/rejection, dependency conflict resolution, bulk actions, and status tracking.
• Admin Settings: System-wide configuration with category-based organization and audit trails.
• Reports System: Manages user-generated content reports with status workflows.

External Dependencies

Third-Party Services

• Supabase: PostgreSQL database, authentication, real-time, Edge Functions, storage.
• Cloudflare: Cloudflare Images for media storage/transformation, Turnstile for CAPTCHA.
• Novu: Multi-channel notification delivery, workflow management.
• Uppy: File upload interface and image editor.
• Google Fonts: For the Inter typeface.
• Radix UI: For accessible UI components.

API Integrations

• Supabase Edge Functions:
  • upload-image: Cloudflare Images upload proxy.
  • trigger-novu-notification: Sends Novu notifications.
  • sync-novu-subscriber: Manages Novu subscribers.
  • sync-novu-preferences: Syncs notification preferences.
• Database Functions (PostgreSQL): For privacy checks, role-based permissions, and automated tasks.