#5CRSE Application Data Model (Optimized)

This document provides a comprehensive overview of the 5CRSE application's data model, including all collections, their relationships, and the role-based access control system. The model has been optimized for performance, consistency, and improved frontend experience.

#Entity Relationship Diagram

Optimization Note: The model includes denormalized fields and computed properties to reduce join operations and improve query performance.

erDiagram
    Users ||--o{ Bookings : makes
    Users ||--o{ DiningReservations : makes
    Users ||--o{ Payments : processes
    Users ||--o{ Events : creates
    Users }|--|| UserRoles : has
    Users ||--o{ AgentAssignments : assigned_as_agent
    Users ||--o{ AgentAvailability : sets_availability
    Users ||--o{ AmbassadorPayments : receives_payment
    Users ||--o{ AmbassadorTips : receives_tips
    Users ||--o{ AmbassadorCommissions : receives_commission
    Users }|--o| AmbassadorTaxInfo : has_tax_info
    Users }|--o{ PaymentAuditTrail : has_audit_trail

    Events ||--o{ Bookings : booked_for
    Events }o--o{ Categories : categorized_by
    Events }o--o| Venues : hosted_at

    Bookings ||--o{ Payments : has
    Bookings ||--o| Vehicles : includes
    Bookings ||--o| DiningReservations : includes
    Bookings ||--o| AgentAssignments : has
    Bookings }o--o| Users : assigned_ambassador
    Bookings ||--o{ AmbassadorTips : has_tips
    Bookings ||--o{ PaymentAuditTrail : has_audit_trail
    Bookings }o--o| ArchivedPayments : has_archived_payments

    Payments ||--o{ PaymentAuditTrail : has_audit_trail
    Payments ||--o{ PaymentAllocation : has_allocations
    Payments }o--o| ArchivedPayments : archived_as

    Venues ||--o{ Events : hosts
    Venues ||--o{ DiningReservations : hosts

    Dining ||--o{ DiningTables : has
    Dining ||--o{ DiningReservations : hosts

    DiningTables }o--o{ DiningReservations : assigned_to

    Vehicles ||--o{ AgentAssignments : assigned_to

    Media }o--o{ Events : used_in
    Media }o--o{ Venues : used_in
    Media }o--o{ Dining : used_in
    Media }o--o{ Vehicles : used_in
    Media }o--o{ Users : profile_image

    AIInteractions }o--|| Users : interacts_with

    Pages }o--o{ Categories : categorized_by
    Posts }o--o{ Categories : categorized_by
    Posts }o--o{ Users : authored_by

    Forms ||--o{ Bookings : submitted_for

#Collections and Their Fields

Optimization Note: Collections include standardized status fields, denormalized data for common queries, and indexes for frequently accessed fields.

#Users

classDiagram
    class Users {
        +String email
        +String password
        +String name
        +String user_unique_id
        +Relationship user_role
        +String mobile
        +Relationship profile_img
        +Boolean isAdmin
        +Object computed_stats
        +Array recent_bookings
        +Date createdAt
        +Date updatedAt
        <<index>> email
        <<index>> user_role
        <<index>> user_unique_id
    }

    class ComputedStats {
        +Number total_bookings
        +Number total_spent
        +Date last_booking_date
        +Number loyalty_points
    }

#UserRoles

classDiagram
    class UserRoles {
        +String user_role_name
        +String description
        +Boolean isSystem
        +Object permissions
        +Date createdAt
        +Date updatedAt
        <<index>> user_role_name
    }

    class Permissions {
        <<enumeration>>
        create_users
        read_users
        update_users
        delete_users
        manage_users
        create_events
        read_events
        update_events
        delete_events
        manage_events
        create_bookings
        read_bookings
        update_bookings
        delete_bookings
        manage_bookings
        create_payments
        read_payments
        update_payments
        delete_payments
        manage_payments
        process_payments
        create_vehicles
        read_vehicles
        update_vehicles
        delete_vehicles
        manage_vehicles
        create_venues
        read_venues
        update_venues
        delete_venues
        manage_venues
        create_dining
        read_dining
        update_dining
        delete_dining
        manage_dining
        create_media
        read_media
        update_media
        delete_media
        manage_media
        create_posts
        read_posts
        update_posts
        delete_posts
        manage_posts
        create_pages
        read_pages
        update_pages
        delete_pages
        manage_pages
        create_user-roles
        read_user-roles
        update_user-roles
        delete_user-roles
        manage_user-roles
        create_agent-assignments
        read_agent-assignments
        update_agent-assignments
        delete_agent-assignments
        manage_agent-assignments
        create_agent-availability
        read_agent-availability
        update_agent-availability
        delete_agent-availability
        manage_agent-availability
        create_system-settings
        read_system-settings
        update_system-settings
        delete_system-settings
        manage_system-settings
    }

#Events

classDiagram
    class Events {
        +String event_name
        +Date event_date
        +Number event_price
        +RichText description
        +Boolean isCustomEvent
        +Relationship creator
        +Relationship venue
        +Group location
        +Array images
        +String status
        +String ticketmaster_id
        +Number capacity
        +Number tickets_sold
        +Number tickets_available
        +Relationship categories
        +Object venue_details
        +Array category_names
        +Boolean is_featured
        +Date createdAt
        +Date updatedAt
        +Array versions
        <<index>> event_date
        <<index>> status
        <<index>> categories
        <<index>> venue
        <<index>> [status, event_date]
        <<index>> [location.city]
        <<fulltext>> event_name, description
    }

    class EventStatus {
        <<enumeration>>
        draft
        published
        archived
    }

    class VenueDetailsGroup {
        +String venue_name
        +String venue_city
        +String venue_address
    }

    class LocationGroup {
        +String venue
        +String address
        +String city
        +String state
        +String zip
        +String country
    }

#Bookings

classDiagram
    class Bookings {
        +String booking_reference
        +Relationship user
        +Relationship event
        +Date booking_date
        +Number total_amount [>= 0]
        +Number number_of_tickets [>= 1]
        +String status
        +Relationship vehicle
        +Group dining_reservation
        +Object event_details
        +Object user_details
        +Object vehicle_details
        +Boolean has_dining
        +Boolean has_vehicle
        +Relationship ambassador
        +Boolean has_ambassador
        +Relationship ambassador_tip
        +Date createdAt
        +Date updatedAt
        +Array status_history
        +Relationship created_by
        +Array audit_trail
        <<index>> booking_reference
        <<index>> user
        <<index>> event
        <<index>> status
        <<index>> booking_date
        <<index>> [user, status]
        <<index>> ambassador
        <<index>> [ambassador, status]
        <<index>> [event, ambassador]
    }

    class BookingStatus {
        <<enumeration>>
        pending
        confirmed
        cancelled
        refunded
    }

    class EventDetailsGroup {
        +String event_name
        +Date event_date
        +String venue_name
    }

    class UserDetailsGroup {
        +String name
        +String email
        +String mobile
    }

    class VehicleDetailsGroup {
        +String vehicle_name
        +String vehicle_number
    }

    class StatusHistoryItem {
        +String status
        +Date timestamp
        +String changed_by
        +String notes
    }

    class DiningReservationGroup {
        +String opentable_reservation_id
        +String opentable_restaurant_id
        +String reservation_date
        +String reservation_time
        +String status
    }

#Payments

classDiagram
    class Payments {
        +Relationship booking
        +String payment_provider
        +String transaction_id
        +Number amount [>= 0]
        +String status
        +String payment_method
        +Date payment_date
        +String currency
        +Group refund_details
        +Object booking_details
        +Object user_details
        +Relationship ambassador
        +String payment_type
        +Relationship ambassador_tip
        +Relationship ambassador_commission
        +Date createdAt
        +Date updatedAt
        +Relationship created_by
        +Array audit_trail
        <<index>> booking
        <<index>> transaction_id
        <<index>> status
        <<index>> payment_date
        <<index>> [booking, status]
        <<index>> ambassador
        <<index>> payment_type
        <<index>> [payment_type, ambassador]
        <<index>> [payment_date, payment_type]
    }

    class PaymentProvider {
        <<enumeration>>
        stripe
        square
    }

    class PaymentStatus {
        <<enumeration>>
        pending
        completed
        failed
        refunded
        partially_refunded
    }

    class PaymentType {
        <<enumeration>>
        booking_payment
        ambassador_commission
        ambassador_tip
        ambassador_base_payment
        refund
        service_fee
        tax_withholding
    }

    class AuditTrailEntry {
        +String action
        +Object before_state
        +Object after_state
        +Relationship user
        +Date timestamp
        +String ip_address
        +String notes
    }

    class BookingDetailsGroup {
        +String booking_reference
        +String event_name
        +Date event_date
    }

    class UserDetailsGroup {
        +String name
        +String email
    }

    class RefundDetailsGroup {
        +Boolean refunded
        +Number refund_amount
        +String refund_reason
        +String refund_transaction_id
        +Date refund_date
    }

#Vehicles

classDiagram
    class Vehicles {
        +String vehicle_name
        +String vehicle_model
        +Number vehicle_price
        +String status
        +String vehicle_number
        +Array images
        +Boolean is_available
        +Number current_assignments_count
        +Array upcoming_assignments
        +Date createdAt
        +Date updatedAt
        <<index>> status
        <<index>> vehicle_number
    }

    class VehicleStatus {
        <<enumeration>>
        active
        inactive
        maintenance
    }

#Venues

classDiagram
    class Venues {
        +String name
        +String type
        +String venueCategory
        +RichText description
        +Group location
        +Array images
        +String status
        +Group eventVenueDetails
        +Number upcoming_events_count
        +Array upcoming_events
        +Boolean has_availability
        +Date createdAt
        +Date updatedAt
        <<index>> type
        <<index>> status
        <<index>> venueCategory
        <<index>> [location.city]
        <<fulltext>> name, description
    }

    class VenueType {
        <<enumeration>>
        event
        restaurant
        both
    }

    class VenueStatus {
        <<enumeration>>
        active
        inactive
        temporarily_closed
    }

    class LocationGroup {
        +String address
        +String city
        +String state
        +String zip
        +String country
        +String latitude
        +String longitude
    }

    class EventVenueDetailsGroup {
        +String ticketmasterId
        +Number capacity
        +Array seatingOptions
        +Relationship seatingMap
        +Array amenities
        +Array accessibility
    }

#Dining

classDiagram
    class Dining {
        +String dining_name
        +Number dining_price
        +RichText description
        +Group location
        +Array images
        +String status
        +Number tables_available
        +Group opening_hours
        +Number current_reservations_count
        +Array available_time_slots
        +Date createdAt
        +Date updatedAt
        <<index>> status
        <<index>> [location.city]
        <<fulltext>> dining_name, description
    }

    class DiningStatus {
        <<enumeration>>
        active
        inactive
        temporarily_closed
    }

    class LocationGroup {
        +String city
        +String address
        +String state
        +String zip_code
    }

    class OpeningHoursGroup {
        +Group monday
        +Group tuesday
        +Group wednesday
        +Group thursday
        +Group friday
        +Group saturday
        +Group sunday
    }

    class DayHoursGroup {
        +Boolean is_open
        +String open_time
        +String close_time
    }

#DiningTables

classDiagram
    class DiningTables {
        +String table_name
        +Number capacity
        +Boolean is_available
        +Relationship dining
        +String table_number
        +String location
        +String notes
        +Date createdAt
        +Date updatedAt
    }

    class TableLocation {
        <<enumeration>>
        indoor
        outdoor
        bar
        private
    }

#DiningReservations

classDiagram
    class DiningReservations {
        +String reservation_reference
        +Relationship user
        +Relationship venue
        +Date reservation_date
        +Number party_size
        +Group table_assignment
        +String status
        +String special_occasions
        +Array dietary_restrictions
        +String special_requests
        +Array menu_preorder
        +Group contact_information
        +Group payment
        +Relationship related_event
        +String opentable_id
        +Date createdAt
        +Date updatedAt
    }

    class ReservationStatus {
        <<enumeration>>
        pending
        confirmed
        seated
        completed
        cancelled
        no_show
    }

    class TableAssignmentGroup {
        +String table_number
        +String table_section
        +String special_requests
    }

    class TableSection {
        <<enumeration>>
        main
        bar
        outdoor
        private
        vip
    }

    class ContactInformationGroup {
        +String phone
        +String email
    }

    class PaymentGroup {
        +Boolean deposit_required
        +Number deposit_amount
        +Boolean deposit_paid
        +String payment_method
        +String transaction_id
    }

#AgentAssignments

classDiagram
    class AgentAssignments {
        +String assignment_reference
        +Relationship agent
        +Relationship booking
        +Relationship vehicle
        +Date assignment_date
        +String status
        +Group pickup_details
        +Group dropoff_details
        +String notes
        +Date createdAt
        +Date updatedAt
    }

    class AssignmentStatus {
        <<enumeration>>
        pending
        confirmed
        in_progress
        completed
        cancelled
    }

    class PickupDetailsGroup {
        +String location
        +Date time
        +String instructions
    }

    class DropoffDetailsGroup {
        +String location
        +Date time
        +String instructions
    }

#AgentAvailability

classDiagram
    class AgentAvailability {
        +String availability_reference
        +Relationship agent
        +Date date
        +Array time_slots
        +String status
        +String notes
        +Date createdAt
        +Date updatedAt
    }

    class AvailabilityStatus {
        <<enumeration>>
        available
        unavailable
        partial
    }

    class TimeSlotGroup {
        +String start_time
        +String end_time
        +Boolean is_available
    }

#AIInteractions

classDiagram
    class AIInteractions {
        +String sessionId
        +String agentType
        +Array messages
        +Array toolCalls
        +Object sentiment
        +String userFeedback
        +Date createdAt
        +Date updatedAt
    }

    class AgentType {
        <<enumeration>>
        customer_service
        business_manager
    }

    class MessageGroup {
        +String role
        +String content
        +Date timestamp
    }

    class ToolCallGroup {
        +String toolId
        +Object args
        +Object result
        +Date timestamp
    }

    class SentimentGroup {
        +Number score
        +String label
        +Object emotions
    }

#Media

classDiagram
    class Media {
        +String alt
        +String filename
        +String mimeType
        +Number filesize
        +Number width
        +Number height
        +String url
        +Date createdAt
        +Date updatedAt
    }

#Categories

classDiagram
    class Categories {
        +String title
        +String slug
        +Date createdAt
        +Date updatedAt
    }

#Pages

classDiagram
    class Pages {
        +String title
        +String slug
        +RichText content
        +Group meta
        +Date createdAt
        +Date updatedAt
    }

    class MetaGroup {
        +String title
        +String description
        +Relationship image
    }

#Posts

classDiagram
    class Posts {
        +String title
        +String slug
        +RichText content
        +Group meta
        +Date publishedAt
        +Relationship categories
        +Relationship authors
        +Array populatedAuthors
        +Date createdAt
        +Date updatedAt
    }

    class MetaGroup {
        +String title
        +String description
        +Relationship image
    }

    class PopulatedAuthorGroup {
        +String id
        +String name
    }

#Forms

classDiagram
    class Forms {
        +String title
        +String slug
        +Array fields
        +String submitButtonLabel
        +String confirmationMessage
        +String notificationEmail
        +Date createdAt
        +Date updatedAt
    }

    class FormFieldGroup {
        +String name
        +String label
        +String type
        +Boolean required
        +String placeholder
        +String defaultValue
        +Array options
    }

    class FormFieldType {
        <<enumeration>>
        text
        email
        number
        textarea
        select
        checkbox
        radio
        date
    }

#Backend Services and Functions

Optimization Note: The backend includes specialized services and functions to support common frontend operations and reduce query complexity.

flowchart TD
    subgraph Frontend
        NextApp[Next.js App]
        AdminUI[Admin UI]
        ClientUI[Client UI]
    end

    subgraph Backend
        PayloadCMS[Payload CMS]

        subgraph Services
            OpenTableService[OpenTable Service]
            DiningService[Dining Service]
            AIService[AI Service]
            PaymentService[Payment Service]
            BookingService[Booking Service]
            EventService[Event Service]
            SearchService[Search Service]
            RecommendationService[Recommendation Service]
            AuditService[Audit Service]
        end

        subgraph SmartEndpoints
            FilteredEvents[/getFilteredEvents/]
            EventAvailability[/checkEventAvailability/]
            UserDashboard[/getUserDashboardData/]
            VehicleAvailability[/checkVehicleAvailability/]
            DiningAvailability[/checkDiningAvailability/]
            BookingPackage[/createBookingPackage/]
            PersonalizedRecommendations[/getPersonalizedRecommendations/]
        end

        subgraph Database
            PostgreSQL[(PostgreSQL)]
            Cache[(Redis Cache)]
            SearchIndex[(Search Index)]
        end
    end

    subgraph ExternalAPIs
        OpenTableAPI[OpenTable API]
        TicketmasterAPI[Ticketmaster API]
        StripeAPI[Stripe API]
        SquareAPI[Square API]
        HumeAI[Hume AI]
        OpenAI[OpenAI]
        Anthropic[Anthropic]
    end

    NextApp --> PayloadCMS
    AdminUI --> PayloadCMS
    ClientUI --> PayloadCMS
    ClientUI --> SmartEndpoints

    PayloadCMS --> Services
    Services --> PostgreSQL
    Services --> Cache
    SearchService --> SearchIndex

    SmartEndpoints --> Services

    OpenTableService --> OpenTableAPI
    EventService --> TicketmasterAPI
    PaymentService --> StripeAPI
    PaymentService --> SquareAPI
    AIService --> HumeAI
    AIService --> OpenAI
    AIService --> Anthropic

#Role-Based Access Control

flowchart TD
    subgraph Roles
        Admin[Admin]
        Customer[Customer]
        AgentDriver[Agent/Driver]
        ContentManager[Content Manager]
        EventManager[Event Manager]
    end

    subgraph Resources
        Users[Users]
        Events[Events]
        Bookings[Bookings]
        Payments[Payments]
        Vehicles[Vehicles]
        Venues[Venues]
        Dining[Dining]
        Media[Media]
        Posts[Posts]
        Pages[Pages]
        UserRoles[User Roles]
        AgentAssignments[Agent Assignments]
        AgentAvailability[Agent Availability]
        SystemSettings[System Settings]
    end

    subgraph Actions
        Create[Create]
        Read[Read]
        Update[Update]
        Delete[Delete]
        Publish[Publish]
        Unpublish[Unpublish]
        Manage[Manage]
    end

    Admin --> Resources
    Admin --> Actions

    Customer --> Read
    Customer -- own --> Bookings
    Customer -- own --> Payments
    Customer -- own --> DiningReservations

    AgentDriver --> Read
    AgentDriver -- own --> AgentAssignments
    AgentDriver -- own --> AgentAvailability

    ContentManager --> Media
    ContentManager --> Posts
    ContentManager --> Pages

    EventManager --> Events
    EventManager --> Venues
    EventManager --> Bookings

#Data Flow for Key Processes

#Booking Process

sequenceDiagram
    actor User
    participant Frontend
    participant BookingService
    participant EventService
    participant PaymentService
    participant OpenTableService
    participant Database
    participant Cache
    participant AuditService

    User->>Frontend: Select Event
    Frontend->>EventService: Check Availability
    EventService->>Cache: Check Cached Availability

    alt Cache Hit
        Cache-->>EventService: Cached Availability
    else Cache Miss
        EventService->>Database: Query Event
        Database-->>EventService: Event Details
        EventService->>Cache: Store in Cache
    end

    EventService-->>Frontend: Available Tickets

    User->>Frontend: Add Vehicle (Optional)
    Frontend->>BookingService: checkPackageAvailability()
    BookingService->>Database: Query Available Vehicles
    Database-->>BookingService: Available Vehicles
    BookingService-->>Frontend: Vehicle Options

    User->>Frontend: Add Dining (Optional)
    Frontend->>OpenTableService: Check Restaurant Availability
    OpenTableService->>Database: Query Venues/Dining
    Database-->>OpenTableService: Available Options
    OpenTableService-->>Frontend: Dining Options

    User->>Frontend: Complete Booking
    Frontend->>BookingService: createBookingPackage()

    BookingService->>PaymentService: Process Payment
    PaymentService->>Database: Create Payment Record
    Database-->>PaymentService: Payment Confirmation

    BookingService->>Database: Save Booking with Denormalized Data

    alt Dining Selected
        BookingService->>OpenTableService: Book Table
        OpenTableService->>Database: Create Dining Reservation
    end

    BookingService->>Database: Update Event Tickets Sold
    BookingService->>AuditService: Log Booking Creation
    BookingService->>Cache: Invalidate Affected Caches

    BookingService-->>Frontend: Booking Confirmation
    Frontend->>RecommendationService: Get Related Recommendations
    RecommendationService-->>Frontend: Personalized Recommendations
    Frontend-->>User: Confirmation Details & Recommendations

#AI Assistant Interaction

sequenceDiagram
    actor User
    participant Frontend
    participant AIService
    participant HumeAI
    participant ToolExecutor
    participant Database

    User->>Frontend: Ask Question
    Frontend->>AIService: Process Input
    AIService->>HumeAI: Send Request
    HumeAI-->>AIService: Response with Tool Calls

    alt Tool Call Required
        AIService->>ToolExecutor: Execute Tool
        ToolExecutor->>Database: Query/Update Data
        Database-->>ToolExecutor: Result
        ToolExecutor-->>AIService: Tool Result
        AIService->>HumeAI: Continue with Tool Result
        HumeAI-->>AIService: Final Response
    end

    AIService->>Database: Log Interaction
    AIService-->>Frontend: AI Response
    Frontend-->>User: Display Response

#Ambassador Payments and Tips

classDiagram
    class AmbassadorPayments {
        +String payment_reference
        +Relationship ambassador
        +Relationship event
        +Array bookings
        +Number base_payment [>= 0]
        +Relationship commission
        +Array tips
        +Number total_amount [>= 0]
        +String status
        +Date payment_date
        +String payment_method
        +String transaction_id
        +String notes
        +Boolean requires_1099
        +Boolean tax_withheld
        +Number tax_withholding_amount [>= 0]
        +Date createdAt
        +Date updatedAt
        +Relationship created_by
        +Array audit_trail
        <<index>> ambassador
        <<index>> event
        <<index>> payment_date
        <<index>> status
        <<index>> [ambassador, event]
        <<index>> [ambassador, status]
        <<index>> [ambassador, payment_date]
        <<index>> transaction_id
    }

    class AmbassadorPaymentStatus {
        <<enumeration>>
        pending
        processing
        completed
        failed
        cancelled
        partially_paid
    }

    class AmbassadorTips {
        +Relationship ambassador
        +Relationship booking
        +Relationship event
        +Number amount [>= 0]
        +String payment_method
        +String status
        +Date tip_date
        +String notes
        +Relationship payment
        +Date createdAt
        +Date updatedAt
        +Relationship created_by
        +Array audit_trail
        <<index>> ambassador
        <<index>> booking
        <<index>> event
        <<index>> [ambassador, event]
        <<index>> [booking, ambassador]
        <<index>> payment
    }

    class AmbassadorCommissions {
        +Relationship ambassador
        +Relationship event
        +Number total_bookings [>= 0]
        +Number total_guests [>= 0]
        +Number commission_rate [0.0-1.0]
        +Number commission_amount [>= 0]
        +String status
        +Date commission_date
        +Relationship payment
        +Date createdAt
        +Date updatedAt
        +Relationship created_by
        +Array audit_trail
        <<index>> ambassador
        <<index>> event
        <<index>> status
        <<index>> [ambassador, event]
        <<index>> [ambassador, status]
        <<index>> payment
    }

    class AmbassadorTaxInfo {
        +Relationship ambassador
        +String tax_id
        +String tax_classification
        +Boolean w9_on_file
        +Date w9_submission_date
        +Number ytd_earnings [>= 0]
        +Boolean requires_1099
        +Number tax_withholding_rate [0.0-1.0]
        +Date createdAt
        +Date updatedAt
    }

    class PaymentAllocation {
        +Relationship payment
        +Relationship recipient
        +String recipient_type
        +Number amount [>= 0]
        +Number percentage [0.0-1.0]
        +String allocation_reason
        +Date createdAt
        +Date updatedAt
    }

    class ArchivedPayments {
        +String original_id
        +String payment_type
        +Object original_payment_data
        +Date archived_date
        +String archive_reason
        +Relationship archived_by
        +Date createdAt
    }

    class PaymentAuditTrail {
        +Relationship entity
        +String entity_type
        +String action
        +Object before_state
        +Object after_state
        +Relationship user
        +Date timestamp
        +String ip_address
    }

#Smart Backend Functions

classDiagram
    class SmartFilterFunctions {
        +getFilteredEvents(categories, priceRange, dateRange, location, hasAvailableTickets, keyword)
        +getUpcomingEvents(category, location, startDate, endDate)
        +getEventsWithAvailability(date, partySize, includeVehicle, includeDining)
        +getVenuesByType(type, location, hasAvailability)
        +searchAcrossCollections(keyword, collections)
    }

    class DashboardFunctions {
        +getUserDashboardData(userId)
        +getAdminDashboardStats()
        +getAgentAssignments(agentId, dateRange)
        +getEventManagerDashboard()
        +getVenuePerformance(venueId)
        +getAmbassadorEarnings(ambassadorId, dateRange)
        +getAmbassadorPerformanceMetrics(ambassadorId, dateRange)
        +getAmbassadorTipSummary(ambassadorId, eventId)
        +getTaxReportingData(taxYear, ambassadorId)
    }

    class PaymentService {
        +processBookingPayment(bookingId, paymentDetails)
        +processAmbassadorPayment(ambassadorId, eventId, paymentDetails)
        +processAmbassadorTip(ambassadorId, bookingId, tipAmount)
        +allocatePayment(paymentId, allocations)
        +calculateCommission(ambassadorId, eventId, bookings)
        +generatePaymentReceipt(paymentId)
        +processRefund(paymentId, refundAmount, reason)
        +calculateTaxWithholding(ambassadorId, paymentAmount)
    }

    class BookingFunctions {
        +createBookingPackage(eventId, userId, tickets, includeVehicle, includeDining, ambassadorId)
        +checkPackageAvailability(eventId, date, partySize, vehicleRequired, diningRequired)
        +updateBookingStatus(bookingId, newStatus, notes)
        +cancelBookingWithRefund(bookingId, reason)
        +addAmbassadorToBooking(bookingId, ambassadorId)
        +assignMultipleBookingsToAmbassador(bookingIds, ambassadorId)
    }

    class RecommendationFunctions {
        +getPersonalizedRecommendations(userId)
        +getSimilarEvents(eventId)
        +getPopularEvents(location, timeframe)
        +getPackageRecommendations(eventId, userId)
        +getUpsellOpportunities(bookingId)
        +getTopPerformingAmbassadors()
    }

    class AuditAndVersioning {
        +getDocumentHistory(collection, documentId)
        +compareVersions(collection, documentId, version1, version2)
        +restoreVersion(collection, documentId, versionId)
        +getAuditLog(collection, documentId)
        +trackUserActivity(userId, action, resource)
        +generateAuditReport(entityType, dateRange)
    }

    class ArchiveService {
        +archiveOldPayments(cutoffDate)
        +archiveOldBookings(cutoffDate)
        +retrieveArchivedData(entityType, entityId)
        +generateArchiveReport(entityType, dateRange)
        +restoreArchivedEntity(archiveId)
    }

    class ValidationService {
        +validatePayment(paymentData)
        +validateCommission(commissionData)
        +validateTip(tipData)
        +validateTaxInfo(taxInfoData)
        +validateAllocation(allocationData)
    }

#Database Schema Evolution

timeline
    title Database Schema Evolution
    Initial Setup : Users
                  : Events
                  : Bookings
                  : Payments

    + Transportation : Vehicles
                     : AgentAssignments
                     : AgentAvailability

    + Content Management : Media
                         : Pages
                         : Posts
                         : Categories

    + Dining Integration : Venues
                         : Dining
                         : DiningTables
                         : DiningReservations

    + AI Features : AIInteractions
                  : Forms

    + Access Control : UserRoles
                     : Permissions

    + Performance Optimization : Denormalized Fields
                               : Standardized Status Enums
                               : Database Indexes
                               : Computed Properties

    + Smart Backend : Filtering Functions
                    : Dashboard Aggregations
                    : Recommendation Engine
                    : Audit & Versioning
                    : Caching Layer

    + Ambassador Management : Ambassador Payments
                            : Ambassador Tips
                            : Ambassador Commissions
                            : Performance Metrics
                            : Tax Reporting
                            : Payment Allocations

    + Data Management : Archiving Strategy
                      : Audit Trails
                      : Data Validation
                      : Entity History