510 lines
28 KiB
Markdown
510 lines
28 KiB
Markdown
# Multi-Tenant Ecommerce Platform - Complete Project Structure
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## Project Overview
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This document outlines the complete project structure for a production-ready multi-tenant ecommerce platform with marketplace integration. The platform implements complete vendor isolation with comprehensive business features including notifications, media management, search, caching, audit logging, and monitoring.
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## Technology Stack
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- **Backend**: Python FastAPI with PostgreSQL
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- **Frontend**: Vanilla HTML, CSS, JavaScript with Alpine.js (CDN-based, no build step)
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- **Background Jobs**: Celery with Redis
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- **Search**: Elasticsearch with database fallback
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- **Caching**: Redis multi-layer caching
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- **Storage**: Local/S3 with CDN integration
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- **Monitoring**: Custom monitoring with alerting
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- **Deployment**: Docker with environment-based configuration
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## Complete Directory Structure
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```
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├── main.py # FastAPI application entry point
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├── app/
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│ ├── api/
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│ │ ├── deps.py # Common dependencies (auth, context)
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│ │ ├── main.py # API router setup
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│ │ └── v1/ # API version 1 routes
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│ │ ├── admin/ # Super admin endpoints
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│ │ │ ├── __init__.py # Admin router aggregation
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│ │ │ ├── auth.py # Admin authentication
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│ │ │ ├── vendors.py # Vendor management (CRUD, bulk operations)
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│ │ │ ├── dashboard.py # Admin dashboard & statistics
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│ │ │ ├── users.py # User management across vendors
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│ │ │ ├── marketplace.py # System-wide marketplace monitoring
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│ │ │ ├── audit.py # Audit log endpoints
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│ │ │ ├── settings.py # Platform settings management
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│ │ │ ├── notifications.py # Admin notifications & alerts
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│ │ │ └── monitoring.py # Platform monitoring & health checks
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│ │ ├── vendor/ # Vendor-scoped endpoints
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│ │ │ ├── __init__.py
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│ │ │ ├── auth.py # Vendor team authentication
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│ │ │ ├── dashboard.py # Vendor dashboard & statistics
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│ │ │ ├── products.py # Vendor catalog management (Product table)
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│ │ │ ├── marketplace.py # Marketplace import & selection (MarketplaceProduct)
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│ │ │ ├── orders.py # Vendor order management
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│ │ │ ├── customers.py # Vendor customer management
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│ │ │ ├── teams.py # Team member management
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│ │ │ ├── inventory.py # Inventory operations (vendor catalog)
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│ │ │ ├── payments.py # Payment configuration & processing
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│ │ │ ├── media.py # File and media management
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│ │ │ ├── notifications.py # Vendor notification management
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│ │ │ └── settings.py # Vendor settings & configuration
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│ │ ├── public/ # Public customer-facing endpoints
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│ │ │ ├── __init__.py
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│ │ │ └── vendors/ # Vendor-specific public APIs
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│ │ │ ├── shop.py # Public shop info
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│ │ │ ├── products.py # Public product catalog (Product table only)
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│ │ │ ├── search.py # Product search functionality
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│ │ │ ├── cart.py # Shopping cart operations
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│ │ │ ├── orders.py # Order placement
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│ │ │ ├── payments.py # Payment processing
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│ │ │ └── auth.py # Customer authentication
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│ │ └── shared/ # Shared/utility endpoints
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│ │ ├── health.py # Health checks
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│ │ ├── webhooks.py # External webhooks (Stripe, etc.)
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│ │ └── uploads.py # File upload handling
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│ ├── core/
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│ │ ├── config.py # Configuration settings
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│ │ ├── database.py # Database setup
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│ │ ├── security.py # Security utilities (JWT, passwords)
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│ │ └── lifespan.py # App lifecycle management
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│ ├── exceptions/ # Custom exception handling
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│ │ ├── __init__.py # All exception exports
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│ │ ├── base.py # Base exception classes
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│ │ ├── handler.py # Unified FastAPI exception handlers
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│ │ ├── auth.py # Authentication/authorization exceptions
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│ │ ├── admin.py # Admin operation exceptions
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│ │ ├── marketplace.py # Import/marketplace exceptions
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│ │ ├── marketplace_product.py # Marketplace staging exceptions
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│ │ ├── product.py # Vendor catalog exceptions
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│ │ ├── vendor.py # Vendor management exceptions
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│ │ ├── customer.py # Customer management exceptions
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│ │ ├── order.py # Order management exceptions
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│ │ ├── payment.py # Payment processing exceptions
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│ │ ├── inventory.py # Inventory management exceptions
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│ │ ├── media.py # Media/file management exceptions
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│ │ ├── notification.py # Notification exceptions
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│ │ ├── search.py # Search exceptions
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│ │ ├── monitoring.py # Monitoring exceptions
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│ │ └── backup.py # Backup/recovery exceptions
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│ └── services/ # Business logic layer
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│ ├── auth_service.py # Authentication/authorization services
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│ ├── admin_service.py # Admin services (vendor/user management)
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│ ├── admin_audit_service.py # Audit logging services
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│ ├── admin_settings_service.py # Platform settings services
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│ ├── vendor_service.py # Vendor management services
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│ ├── customer_service.py # Customer services (vendor-scoped)
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│ ├── team_service.py # Team management services
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│ ├── marketplace_service.py # Marketplace import services
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│ ├── marketplace_product_service.py # Marketplace staging services
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│ ├── product_service.py # Vendor catalog services (Product)
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│ ├── order_service.py # Order services (vendor-scoped)
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│ ├── payment_service.py # Payment processing services
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│ ├── inventory_service.py # Inventory services (vendor catalog)
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│ ├── media_service.py # File and media management services
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│ ├── notification_service.py # Email/notification services
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│ ├── search_service.py # Search and indexing services
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│ ├── cache_service.py # Caching services
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│ ├── monitoring_service.py # Application monitoring services
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│ ├── backup_service.py # Backup and recovery services
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│ ├── configuration_service.py # Configuration management services
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│ └── stats_service.py # Statistics services (vendor-aware)
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├── tasks/ # Background task processing
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│ ├── __init__.py
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│ ├── task_manager.py # Celery configuration and task management
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│ ├── marketplace_import.py # Marketplace CSV import tasks
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│ ├── email_tasks.py # Email sending tasks
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│ ├── media_processing.py # Image processing and optimization tasks
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│ ├── search_indexing.py # Search index maintenance tasks
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│ ├── analytics_tasks.py # Analytics and reporting tasks
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│ ├── cleanup_tasks.py # Data cleanup and maintenance tasks
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│ └── backup_tasks.py # Backup and recovery tasks
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├── models/
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│ ├── database/ # SQLAlchemy ORM models
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│ │ ├── __init__.py # Import all models for easy access
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│ │ ├── base.py # Base model class and common mixins (TimestampMixin)
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│ │ ├── user.py # User model (with vendor relationships)
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│ │ ├── vendor.py # Vendor, VendorUser, Role models
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│ │ ├── customer.py # Customer, CustomerAddress models (vendor-scoped)
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│ │ ├── marketplace_product.py # MarketplaceProduct model (staging data)
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│ │ ├── product.py # Product model (vendor catalog)
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│ │ ├── order.py # Order, OrderItem models (vendor-scoped)
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│ │ ├── payment.py # Payment, PaymentMethod, VendorPaymentConfig models
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│ │ ├── inventory.py # Inventory, InventoryMovement models (catalog products)
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│ │ ├── marketplace.py # MarketplaceImportJob model
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│ │ ├── media.py # MediaFile, ProductMedia models
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│ │ ├── notification.py # NotificationTemplate, NotificationQueue, NotificationLog
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│ │ ├── search.py # SearchIndex, SearchQuery models
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│ │ ├── audit.py # AuditLog, DataExportLog models
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│ │ ├── monitoring.py # PerformanceMetric, ErrorLog, SystemAlert models
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│ │ ├── backup.py # BackupLog, RestoreLog models
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│ │ ├── configuration.py # PlatformConfig, VendorConfig, FeatureFlag models
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│ │ ├── task.py # TaskLog model
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│ │ └── admin.py # Admin-specific models
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│ │ # - AdminAuditLog: Track all admin actions
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│ │ # - AdminNotification: System alerts for admins
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│ │ # - AdminSetting: Platform-wide settings
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│ │ # - PlatformAlert: System health alerts
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│ │ # - AdminSession: Admin login session tracking
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│ └── schema/ # Pydantic models for API validation
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│ ├── __init__.py # Common imports
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│ ├── base.py # Base Pydantic models
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│ ├── auth.py # Login, Token, User response models
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│ ├── vendor.py # Vendor management models
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│ ├── customer.py # Customer request/response models
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│ ├── team.py # Team management models
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│ ├── marketplace_product.py # Marketplace staging models
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│ ├── product.py # Vendor catalog models
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│ ├── order.py # Order models (vendor-scoped)
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│ ├── payment.py # Payment models
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│ ├── inventory.py # Inventory operation models
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│ ├── marketplace.py # Marketplace import job models
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│ ├── media.py # Media/file management models
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│ ├── notification.py # Notification models
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│ ├── search.py # Search models
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│ ├── monitoring.py # Monitoring models
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│ ├── admin.py # Admin operation models
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│ │ # - AdminAuditLog schemas (Response, Filters, List)
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│ │ # - AdminNotification schemas (Create, Response, Update, List)
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│ │ # - AdminSetting schemas (Create, Response, Update, List)
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│ │ # - PlatformAlert schemas (Create, Response, Resolve, List)
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│ │ # - BulkOperation schemas (BulkVendorAction, BulkUserAction)
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│ │ # - AdminDashboardStats, SystemHealthResponse
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│ │ # - AdminSession schemas
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│ └── stats.py # Statistics response models
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├── middleware/
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│ ├── auth.py # JWT authentication
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│ ├── vendor_context.py # Vendor context detection and injection
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│ ├── rate_limiter.py # Rate limiting
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│ ├── logging_middleware.py # Request logging
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│ └── decorators.py # Cross-cutting concern decorators
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├── storage/ # Storage backends
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│ ├── __init__.py
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│ ├── backends.py # Storage backend implementations
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│ └── utils.py # Storage utilities
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├── static/ # Frontend assets (No build step!)
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│ ├── admin/ # Super admin interface
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│ │ ├── login.html # Admin login page
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│ │ ├── dashboard.html # Admin dashboard
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│ │ ├── vendors.html # Vendor management
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│ │ ├── users.html # User management
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│ │ ├── marketplace.html # System-wide marketplace monitoring
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│ │ ├── audit_logs.html # Audit log viewer (NEW - TO CREATE)
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│ │ ├── settings.html # Platform settings (NEW - TO CREATE)
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│ │ ├── notifications.html # Admin notifications (NEW - TO CREATE)
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│ │ └── monitoring.html # System monitoring
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│ ├── vendor/ # Vendor admin interface
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│ │ ├── login.html # Vendor team login (TO COMPLETE)
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│ │ ├── dashboard.html # Vendor dashboard (TO COMPLETE)
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│ │ └── admin/ # Vendor admin pages
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│ │ ├── products.html # Catalog management (Product table)
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│ │ ├── marketplace/ # Marketplace integration
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│ │ │ ├── imports.html # Import jobs & history
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│ │ │ ├── browse.html # Browse marketplace products (staging)
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│ │ │ ├── selected.html # Selected products (pre-publish)
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│ │ │ └── config.html # Marketplace configuration
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│ │ ├── orders.html # Order management
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│ │ ├── customers.html # Customer management
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│ │ ├── teams.html # Team management
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│ │ ├── inventory.html # Inventory management (catalog products)
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│ │ ├── payments.html # Payment configuration
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│ │ ├── media.html # Media library
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│ │ ├── notifications.html # Notification templates & logs
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│ │ └── settings.html # Vendor settings
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│ ├── shop/ # Customer-facing shop interface
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│ │ ├── home.html # Shop homepage
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│ │ ├── products.html # Product catalog (Product table only)
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│ │ ├── product.html # Product detail page
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│ │ ├── search.html # Search results page
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│ │ ├── cart.html # Shopping cart
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│ │ ├── checkout.html # Checkout process
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│ │ └── account/ # Customer account pages
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│ │ ├── login.html # Customer login
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│ │ ├── register.html # Customer registration
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│ │ ├── profile.html # Customer profile
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│ │ ├── orders.html # Order history
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│ │ └── addresses.html # Address management
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│ ├── css/
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│ │ ├── admin/ # Admin interface styles
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│ │ │ └── admin.css
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│ │ ├── vendor/ # Vendor interface styles
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│ │ │ └── vendor.css
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│ │ ├── shop/ # Customer shop styles
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│ │ │ └── shop.css
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│ │ ├── shared/ # Common styles (base.css, auth.css)
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│ │ │ ├── base.css # CSS variables, utility classes
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│ │ │ └── auth.css # Login/auth page styles
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│ │ └── themes/ # Vendor-specific themes (future)
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│ └── js/
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│ ├── shared/ # Common JavaScript utilities
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│ │ ├── vendor-context.js # Vendor context detection & management
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│ │ ├── api-client.js # API communication utilities
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│ │ ├── notification.js # Notification handling
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│ │ ├── media-upload.js # File upload utilities
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│ │ └── utils.js # General utilities
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│ ├── admin/ # Admin interface scripts (Alpine.js components)
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│ │ ├── dashboard.js # Admin dashboard
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│ │ ├── vendors.js # Vendor management
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│ │ ├── audit-logs.js # Audit log viewer (NEW - TO CREATE)
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│ │ ├── settings.js # Platform settings (NEW - TO CREATE)
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│ │ ├── monitoring.js # System monitoring
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│ │ └── analytics.js # Admin analytics
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│ ├── vendor/ # Vendor interface scripts (Alpine.js components)
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│ │ ├── products.js # Catalog management
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│ │ ├── marketplace.js # Marketplace integration
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│ │ ├── orders.js # Order management
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│ │ ├── payments.js # Payment configuration
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│ │ ├── media.js # Media management
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│ │ └── dashboard.js # Vendor dashboard
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│ └── shop/ # Customer shop scripts (Alpine.js components)
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│ ├── catalog.js # Product browsing
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│ ├── search.js # Product search
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│ ├── cart.js # Shopping cart
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│ ├── checkout.js # Checkout process
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│ └── account.js # Customer account
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├── tests/ # Comprehensive test suite
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│ ├── unit/ # Unit tests
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│ │ ├── services/ # Service layer tests
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│ │ │ ├── test_admin_service.py
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│ │ │ ├── test_admin_audit_service.py # NEW
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│ │ │ ├── test_admin_settings_service.py # NEW
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│ │ │ ├── test_marketplace_service.py
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│ │ │ ├── test_product_service.py
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│ │ │ ├── test_payment_service.py
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│ │ │ ├── test_notification_service.py
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│ │ │ ├── test_search_service.py
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│ │ │ ├── test_media_service.py
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│ │ │ └── test_cache_service.py
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│ │ ├── models/ # Model tests
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│ │ │ ├── test_admin_models.py # NEW
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│ │ │ ├── test_marketplace_product.py
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│ │ │ ├── test_product.py
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│ │ │ ├── test_payment.py
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│ │ │ └── test_vendor.py
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│ │ └── api/ # API endpoint tests
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│ │ ├── test_admin_api.py
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│ │ ├── test_admin_audit_api.py # NEW
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│ │ ├── test_admin_settings_api.py # NEW
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│ │ ├── test_vendor_api.py
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│ │ └── test_public_api.py
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│ ├── integration/ # Integration tests
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│ │ ├── test_marketplace_workflow.py
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│ │ ├── test_order_workflow.py
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│ │ ├── test_payment_workflow.py
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│ │ ├── test_audit_workflow.py # NEW
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│ │ └── test_notification_workflow.py
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│ ├── e2e/ # End-to-end tests
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│ │ ├── test_vendor_onboarding.py
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│ │ ├── test_customer_journey.py
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│ │ └── test_admin_operations.py
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│ └── fixtures/ # Test data fixtures
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│ ├── marketplace_data.py # Sample marketplace import data
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│ ├── catalog_data.py # Sample vendor catalog data
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│ ├── order_data.py # Sample order data
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│ └── user_data.py # Sample user and vendor data
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├── scripts/ # Utility scripts
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│ ├── init_db.py # Database initialization
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│ ├── create_admin.py # Create initial admin user
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│ ├── init_platform_settings.py # Create default platform settings
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│ ├── backup_database.py # Manual backup script
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│ ├── seed_data.py # Development data seeding
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│ └── migrate_data.py # Data migration utilities
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├── docker/ # Docker configuration
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│ ├── Dockerfile # Application container
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│ ├── docker-compose.yml # Development environment
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│ ├── docker-compose.prod.yml # Production environment
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│ └── nginx.conf # Nginx configuration
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├── docs/ # Documentation
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│ ├── slices/ # Vertical slice documentation
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│ │ ├── 00_slices_overview.md
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│ │ ├── 00_implementation_roadmap.md
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│ │ ├── 01_slice1_admin_vendor_foundation.md
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│ │ ├── 02_slice2_marketplace_import.md
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│ │ ├── 03_slice3_product_catalog.md
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│ │ ├── 04_slice4_customer_shopping.md
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│ │ └── 05_slice5_order_processing.md
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│ ├── api/ # API documentation
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│ ├── deployment/ # Deployment guides
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│ ├── development/ # Development setup
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│ ├── user_guides/ # User manuals
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│ ├── 6.complete_naming_convention.md
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│ ├── 10.stripe_payment_integration.md
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│ ├── 12.project_readme_final.md
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│ ├── 13.updated_application_workflows_final.md
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│ └── 14.updated_complete_project_structure_final.md
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├── .env.example # Environment variables template
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├── requirements.txt # Python dependencies
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├── requirements-dev.txt # Development dependencies
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├── README.md # Project documentation
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└── DEPLOYMENT.md # Deployment instructions
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```
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## Key Changes from Previous Version
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### Admin Infrastructure
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**Database Models** (`models/database/admin.py`):
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- ✅ `AdminAuditLog` - Complete audit trail of all admin actions
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- ✅ `AdminNotification` - System notifications for admins
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- ✅ `AdminSetting` - Platform-wide configuration with encryption support
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- ✅ `PlatformAlert` - System health and issue tracking
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- ✅ `AdminSession` - Admin login session tracking
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**Pydantic Schemas** (`models/schema/admin.py`):
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- ✅ Comprehensive request/response models for all admin operations
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- ✅ Filtering and pagination schemas
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- ✅ Bulk operation schemas (vendor/user actions)
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- ✅ System health monitoring schemas
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**Services**:
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- ✅ `admin_audit_service.py` - Audit logging functionality
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- ✅ `admin_settings_service.py` - Platform settings with type conversion
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**API Endpoints**:
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- ✅ `/api/v1/admin/audit/*` - Audit log querying and filtering
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- ✅ `/api/v1/admin/settings/*` - Settings CRUD operations
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- ✅ `/api/v1/admin/notifications/*` - Notifications & alerts (structure ready)
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### Naming Convention Fixes
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- ✅ Changed `models/schemas/` to `models/schema/` (singular)
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- ✅ All schema files now consistently use singular naming
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### Current Development Status (Slice 1)
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**Completed (✅)**:
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- Backend database models (User, Vendor, Role, VendorUser, Admin models)
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- JWT authentication with bcrypt
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- Admin service layer with audit logging capability
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- Admin API endpoints (CRUD, dashboard, audit, settings)
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- Vendor context middleware
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- Admin login page (Alpine.js)
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- Admin dashboard (Alpine.js)
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- Admin vendor creation page (Alpine.js)
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**In Progress (⏳)**:
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- Vendor login page (frontend)
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- Vendor dashboard page (frontend)
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- Admin audit logs page (frontend)
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- Admin platform settings page (frontend)
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**To Do (📋)**:
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- Complete vendor login/dashboard pages
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- Integrate audit logging into existing admin operations
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- Create admin audit logs frontend
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- Create platform settings frontend
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- Full testing of Slice 1
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- Deployment to staging
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## Architecture Principles
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### Multi-Tenancy Model
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- **Complete Vendor Isolation**: Each vendor operates independently with no data sharing
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- **Chinese Wall**: Strict separation between vendor data and operations
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- **Self-Service**: Vendors manage their own teams, products, and marketplace integrations
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- **Scalable**: Single codebase serves all vendors with vendor-specific customization
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### Data Flow Architecture
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```
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Marketplace CSV → MarketplaceProduct (staging) → Product (catalog) → Order → Analytics
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↓
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Admin Audit Logs → Platform Settings → Notifications → Monitoring
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```
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### API Structure
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- **Admin APIs** (`/api/v1/admin/`): Platform-level administration
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- Vendor management, user management, audit logs, settings, alerts
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- **Vendor APIs** (`/api/v1/vendor/`): Vendor-scoped operations (requires vendor context)
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- Products, orders, customers, teams, marketplace integration
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- **Public APIs** (`/api/v1/public/vendors/{vendor_id}/`): Customer-facing operations
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- Shop, products, cart, orders, checkout
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- **Shared APIs** (`/api/v1/shared/`): Utility endpoints (health, webhooks)
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### Service Layer Architecture
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- **Domain Services**: Each service handles one business domain
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- **Cross-Cutting Services**: Audit, cache, monitoring, notifications
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- **Integration Services**: Payments, search, storage
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### Frontend Architecture
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- **Zero Build Step**: Alpine.js from CDN, vanilla CSS, no compilation
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- **Server-Side Rendering**: Jinja2 templates with Alpine.js enhancement
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- **Context-Aware**: Automatic vendor detection via subdomain or path
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- **Dynamic Theming**: Vendor-specific customization via CSS variables
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- **Role-Based UI**: Permission-driven interface elements
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## Key Features
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### Core Business Features
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- Multi-vendor marketplace with complete isolation
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- Marketplace product import and curation workflow
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- Comprehensive order and payment processing
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- Customer management with vendor-scoped accounts
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- Team management with role-based permissions
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- Inventory tracking and management
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### Advanced Features
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- Email notification system with vendor branding
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- File and media management with CDN integration
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- Advanced search with Elasticsearch
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- Multi-layer caching for performance
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- Comprehensive audit logging for compliance
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- Real-time monitoring and alerting
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- Automated backup and disaster recovery
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- Configuration management with feature flags
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### Security Features
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- JWT-based authentication with vendor context
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- Role-based access control with granular permissions
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- Complete vendor data isolation at all layers
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- Audit trails for all operations
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- Secure file storage with access controls
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- Rate limiting and abuse prevention
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### Integration Capabilities
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- Stripe Connect for multi-vendor payments
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- Marketplace integrations (Letzshop with extensible framework)
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- Multiple storage backends (Local, S3, GCS)
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- Search engines (Elasticsearch with database fallback)
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- Email providers (SendGrid, SMTP)
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- Monitoring and alerting systems
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## Technology Integration
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### Database Layer
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- **PostgreSQL**: Primary database with ACID compliance
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- **Redis**: Caching and session storage
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- **Elasticsearch**: Search and analytics (optional)
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### Background Processing
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- **Celery**: Distributed task processing
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- **Redis**: Message broker and result backend
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- **Monitoring**: Task progress and error tracking
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### External Services
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- **Stripe Connect**: Multi-vendor payment processing
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- **SendGrid/SMTP**: Email delivery with vendor branding
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- **AWS S3/GCS**: Cloud storage for media files
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- **CloudFront/CloudFlare**: CDN for static assets
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### Monitoring & Compliance
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- **Admin Audit Logs**: Complete trail of all admin actions
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- **Platform Settings**: Centralized configuration management
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- **System Alerts**: Automated health monitoring
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- **Error Tracking**: Comprehensive error logging
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## Deployment Modes
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### Development Mode
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- **Path-based routing**: `localhost:8000/vendor/vendorname/`
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- **Admin access**: `localhost:8000/admin/`
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- **Easy context switching**: Clear vendor separation in URLs
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- **Local storage**: Files stored locally with hot reload
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### Production Mode
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- **Subdomain routing**: `vendorname.platform.com`
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- **Admin subdomain**: `admin.platform.com`
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- **Custom domains**: `customdomain.com` (enterprise feature)
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- **CDN integration**: Optimized asset delivery
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- **Distributed caching**: Redis cluster for performance
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- **Automated backups**: Scheduled database and file backups
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This structure provides a robust foundation for a scalable, multi-tenant ecommerce platform with enterprise-grade features while maintaining clean separation of concerns and supporting multiple deployment modes. |