Service Management

Overview

This directory contains comprehensive documentation for the Service Management module of the Bee O'clock panel service. The service management system handles the complete lifecycle of bookable services, including creation, configuration, pricing, scheduling, and presentation within the multi-tenant SaaS platform.

Documentation Structure

API Documentation

Complete REST API reference including all endpoints, request/response schemas, authentication requirements, and usage examples for service management operations.

Key Topics Covered:

• Service CRUD operations

• Pagination and search functionality

• Media and banner management

• Required resource management

• Comprehensive data schemas

• Error handling and status codes

Interface Documentation

Detailed documentation of TypeScript interfaces, DTOs, enums, and contracts used throughout the service management module.

Key Topics Covered:

• Data Transfer Objects (DTOs)

• Domain interfaces and entities

• Enum definitions and constants

• Type definitions and contracts

• Validation constraints

• Utility functions and type guards

Use Case Documentation

Business logic and use case implementations following Clean Architecture principles and CQRS pattern.

Key Topics Covered:

• Core business use cases

• Permission validation

• Error handling strategies

• Event publishing

• Performance considerations

• Integration patterns

Database Schema Documentation

MongoDB schema definitions, relationships, indexes, and data integrity rules for the service management module.

Key Topics Covered:

• Entity schemas and relationships

• Sub-document structures

• Index strategies and optimization

• Multi-tenancy considerations

• Data validation and constraints

• Performance optimization

Module Architecture

Technology Stack

• Framework: NestJS with TypeScript

• Database: MongoDB with Mongoose ODM

• Architecture: Clean Architecture + CQRS + DDD

• Patterns: Repository Pattern, Event-Driven Architecture

• Caching: Redis for performance optimization

• Storage: Cloud storage for media files

• Event System: AMQP for async processing

Core Features

Service Lifecycle Management

• Service creation with comprehensive validation

• Multi-version service updates with history tracking

• Soft deletion with dependency checking

• State management and audit trails

Multilingual Support

• Multiple language versions per service

• Language-specific pricing options

• Localized service descriptions

• International currency support

Flexible Pricing Models

• Multiple duration options per service

• Currency-specific pricing

• Language-targeted pricing

• Prepayment policy configuration

Rich Presentation

• Banner image management with optimization

• Color theming and branding

• Media upload and processing

• CDN integration for performance

Advanced Configuration

• Flexible duration management (fixed/variable)

• Resource requirement specifications

• Schedule and availability management

• Integration with specialist assignments

Business Rules

Service Creation

1. Language Requirements: At least one language version mandatory

2. Duration Configuration: Proper duration and pricing setup required

3. Presentation: Valid presentation configuration with optional media

4. Business Validation: Compliance with tenant-specific rules

5. Resource Management: Optional but validated resource requirements

Service Updates

1. Data Integrity: Cannot remove all language or duration versions

2. Active Booking Protection: Restrictions on services with active bookings

3. Change Tracking: Complete audit trail of modifications

4. Media Management: Proper handling of media updates and deletions

5. Cache Coordination: Automatic cache invalidation on changes

Service Deletion

1. Dependency Checking: Cannot delete services with active references

2. Soft Delete: Services archived rather than physically removed

3. Data Preservation: Historical data maintained for compliance

4. Cleanup Coordination: Proper cleanup of related resources

Media Management

1. File Validation: Strict file format and size validation

2. Image Processing: Automatic optimization and thumbnail generation

3. Storage Integration: Efficient cloud storage utilization

4. CDN Optimization: Performance-optimized media delivery

API Integration Examples

Creating a Service

POST /api/v1/service
Authorization: Bearer <token>
x-business-tenant-id: <tenant_id>
Content-Type: application/json

{
  "languageVersions": [
    {
      "language": "en",
      "title": "Premium Massage Therapy",
      "description": "Relaxing therapeutic massage with aromatherapy"
    },
    {
      "language": "es", 
      "title": "Terapia de Masaje Premium",
      "description": "Masaje terapéutico relajante con aromaterapia"
    }
  ],
  "durationVersions": [
    {
      "durationInSeconds": 3600,
      "breakInSeconds": 300,
      "prices": [
        {
          "price": 80.00,
          "currency": "USD",
          "preferredLanguages": ["en"]
        },
        {
          "price": 75.00,
          "currency": "EUR", 
          "preferredLanguages": ["es"]
        }
      ]
    }
  ],
  "presentation": {
    "color": "#4A90E2"
  },
  "configuration": {
    "duration": {
      "durationVersionType": "RANGE"
    }
  },
  "prepaymentPolicy": {
    "isRequired": true,
    "isPercentage": true,
    "value": "25",
    "minimalCancelTime": "86400"
  },
  "schedules": [
    {
      "weekDays": [1, 2, 3, 4, 5],
      "startTime": "09:00",
      "endTime": "18:00"
    }
  ]
}

Updating Service Media

POST /api/v1/service/{id}/media
Authorization: Bearer <token>
x-business-tenant-id: <tenant_id>
Content-Type: multipart/form-data

--boundary
Content-Disposition: form-data; name="file"; filename="service-banner.jpg"
Content-Type: image/jpeg

[binary image data]
--boundary
Content-Disposition: form-data; name="description"

Main promotional banner for massage therapy service
--boundary--

Paginated Service Listing

GET /api/v1/service/paged?page=1&size=10&phrase=massage
Authorization: Bearer <token>
x-business-tenant-id: <tenant_id>

Development Guidelines

Testing Strategy

• Unit Tests: Business logic validation and domain rules

• Integration Tests: Database operations and external services

• E2E Tests: Complete API workflows and user scenarios

• Performance Tests: Load testing and scalability validation

• Media Tests: File upload and processing validation

Error Handling

• Domain-specific exceptions with clear error messages

• Consistent error response format across all endpoints

• Proper HTTP status codes for different error types

• Detailed logging for debugging and monitoring

• Graceful degradation for non-critical failures

Performance Considerations

• Comprehensive database indexing strategy

• Multi-level caching with intelligent invalidation

• Optimized queries with proper data loading

• Asynchronous media processing

• CDN integration for static content delivery

Security Best Practices

• Input validation and sanitization at all levels

• Role-based access control with granular permissions

• Secure file upload handling with validation

• Audit logging for all sensitive operations

• Rate limiting and abuse prevention

Related Modules

Dependencies

• Permission Module: Role and permission management

• Media Module: File storage and processing

• Business Client Module: Tenant management and settings

• Specialist Module: Service provider assignments

• Resource Module: Resource requirement management

• Order Module: Service booking and reservation

Integration Points

• Cache Module: Performance optimization

• Event Bus: Async processing and notifications

• Storage Service: Media file management

• Search Service: Enhanced search capabilities

• Notification Module: Service-related notifications

Performance Metrics

Key Performance Indicators

• Service creation/update response times

• Search query performance and accuracy

• Media upload and processing speeds

• Cache hit rates and effectiveness

• Database query optimization metrics

Monitoring and Alerting

• API endpoint response time monitoring

• Database performance and query analysis

• Cache performance and hit rate tracking

• Media processing success rates

• Error rate monitoring and alerting

Scalability Considerations

Horizontal Scaling

• Stateless service design for easy scaling

• Database sharding strategies for large datasets

• Distributed caching for multi-instance deployment

• Load balancing for API endpoints

• CDN scaling for media delivery

Vertical Scaling

• Database optimization and indexing

• Query performance tuning

• Memory usage optimization

• CPU-intensive operation optimization

• Storage efficiency improvements

Future Enhancements

Planned Features

• AI-Powered Recommendations: Service suggestion algorithms

• Dynamic Pricing: Time and demand-based pricing models

• Service Templates: Reusable service configuration templates

• Advanced Analytics: Service performance and usage insights

• Bulk Operations: Mass service management capabilities

Technical Improvements

• GraphQL API: Enhanced query capabilities and flexibility

• Event Sourcing: Complete audit trail with event streams

• Microservice Architecture: Split into focused microservices

• Real-time Updates: WebSocket integration for live updates

• Advanced Search: Elasticsearch integration for complex queries

Troubleshooting Guide

Common Issues

• Service Creation Failures: Validation errors and resolution

• Media Upload Problems: File format and size issues

• Permission Denied Errors: Access control troubleshooting

• Performance Issues: Query optimization and caching

• Data Consistency: Multi-tenant isolation problems

Debugging Tools

• Structured error messages with correlation IDs

• Comprehensive logging with request tracing

• Database query analysis tools

• Cache inspection utilities

• Performance profiling tools

Support Resources

• API documentation and examples

• Error code reference guide

• Performance optimization guide

• Best practices documentation

• Community forums and support channels

Contributing Guidelines

Code Standards

• TypeScript strict mode compliance

• ESLint and Prettier configuration

• Comprehensive test coverage requirements

• Clean Architecture principles adherence

• Domain-Driven Design patterns

Documentation Requirements

• Update documentation with code changes

• Include comprehensive API examples

• Maintain schema documentation accuracy

• Document business rule changes

• Provide migration guides for breaking changes

Review Process

• Mandatory code review for all changes

• Testing validation and coverage verification

• Documentation update validation

• Performance impact assessment

• Security review for sensitive changes

Migration and Deployment

Database Migrations

• Schema evolution and backwards compatibility

• Data migration scripts and validation

• Index management and optimization

• Performance impact assessment

• Rollback procedures and safety measures

Deployment Strategies

• Blue-green deployment for zero downtime

• Feature flags for gradual rollouts

• Database migration coordination

• Cache warming strategies

• Health check validation

Monitoring and Rollback

• Real-time deployment monitoring

• Automated rollback triggers

• Data integrity validation

• Performance regression detection

• User impact assessment