Documentation

Admin Operation Logic Sequence Diagrams

O2O Online Streamer Advertising Project - Admin Operation Logic Sequence Diagrams

1. Overview

This document provides detailed descriptions of various operational workflows for administrators in the Admin backend system of the O2O online streamer advertising project, including sequence diagrams for core management functions such as user review, permission management, data analysis, and financial management.

2. Admin Login and Permission Verification

2.1 Admin Login Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant AUTH as Auth Service
    participant RBAC as Permission Service
    participant DB as Database
    participant CACHE as Redis Cache

    A->>ADMIN: Access admin backend
    ADMIN->>API: GET /api/admin/auth/check
    API->>AUTH: Check admin permissions
    
    alt Not logged in
        AUTH-->>API: Unauthenticated
        API-->>ADMIN: Return 401
        ADMIN-->>A: Redirect to login page
        
        A->>ADMIN: Enter admin credentials
        ADMIN->>API: POST /api/admin/auth/login
        API->>AUTH: Verify admin identity
        AUTH->>DB: Query admin information
        DB-->>AUTH: Return admin data
        
        alt Verification successful
            AUTH->>RBAC: Get admin permissions
            RBAC->>DB: Query role permissions
            DB-->>RBAC: Return permission list
            RBAC-->>AUTH: Permission information
            AUTH->>CACHE: Cache session and permissions
            AUTH-->>API: Generate admin token
            API-->>ADMIN: Return token and permissions
            ADMIN-->>A: Redirect to admin dashboard
        else Verification failed
            AUTH-->>API: Authentication failed
            API-->>ADMIN: Return error message
            ADMIN-->>A: Show login failure
        end
    else Already logged in
        AUTH->>RBAC: Verify current permissions
        RBAC-->>AUTH: Permissions valid
        AUTH-->>API: Authentication passed
        API-->>ADMIN: Return admin information
        ADMIN-->>A: Show admin dashboard
    end

2.2 Permission Check Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant RBAC as Permission Service
    participant CACHE as Redis Cache

    A->>ADMIN: Access specific admin function
    ADMIN->>API: GET /api/admin/{resource}
    API->>RBAC: Check operation permissions
    RBAC->>CACHE: Get cached permissions
    
    alt Permission cache hit
        CACHE-->>RBAC: Return permission information
        RBAC->>RBAC: Verify operation permissions
        
        alt Sufficient permissions
            RBAC-->>API: Permission verification passed
            API->>API: Execute business logic
            API-->>ADMIN: Return operation result
            ADMIN-->>A: Show function page
        else Insufficient permissions
            RBAC-->>API: Insufficient permissions
            API-->>ADMIN: Return 403 error
            ADMIN-->>A: Show insufficient permissions prompt
        end
    else Permission cache miss
        CACHE-->>RBAC: Cache miss
        RBAC->>DB: Re-query permissions
        DB-->>RBAC: Return latest permissions
        RBAC->>CACHE: Update permission cache
        RBAC-->>API: Permission verification result
        API-->>ADMIN: Return corresponding result
    end

3. User Management Operation Flow

3.1 Streamer Review Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant USER as User Service
    participant AI as AI Review Service
    participant STORAGE as Storage Service
    participant DB as Database
    participant NOTIFY as Notification Service
    participant S as Streamer User

    A->>ADMIN: Enter streamer review page
    ADMIN->>API: GET /api/admin/streamers/pending
    API->>USER: Get pending streamers
    USER->>DB: Query pending users
    DB-->>USER: Return pending list
    USER-->>API: Pending streamer data
    API-->>ADMIN: Return review list
    ADMIN-->>A: Show pending streamers
    
    A->>ADMIN: Click to view streamer details
    ADMIN->>API: GET /api/admin/streamers/{id}/detail
    API->>USER: Get streamer detailed information
    USER->>DB: Query streamer profile
    DB-->>USER: Return detailed profile
    USER->>STORAGE: Get uploaded images/videos
    STORAGE-->>USER: Return media file URLs
    USER-->>API: Complete streamer information
    API-->>ADMIN: Return detail data
    ADMIN-->>A: Show streamer detail page
    
    A->>ADMIN: Trigger AI pre-review
    ADMIN->>API: POST /api/admin/streamers/{id}/ai-review
    API->>AI: Start AI content review
    AI->>STORAGE: Analyze uploaded images
    STORAGE-->>AI: Return image data
    AI->>AI: Detect inappropriate content
    AI-->>API: Return AI review results
    API->>DB: Save AI review record
    API-->>ADMIN: Return AI review suggestions
    ADMIN-->>A: Show AI review results
    
    alt Admin approves review
        A->>ADMIN: Click approve review
        ADMIN->>API: PUT /api/admin/streamers/{id}/approve
        API->>USER: Update review status
        USER->>DB: Set status to reviewed
        DB-->>USER: Update successful
        USER->>NOTIFY: Send approval notification
        NOTIFY->>S: Send email notification
        USER-->>API: Review completed
        API-->>ADMIN: Return success message
        ADMIN-->>A: Show approval success
    else Admin rejects review
        A->>ADMIN: Fill rejection reason
        ADMIN->>API: PUT /api/admin/streamers/{id}/reject
        API->>USER: Update to rejected status
        USER->>DB: Save rejection reason
        DB-->>USER: Update successful
        USER->>NOTIFY: Send rejection notification
        NOTIFY->>S: Send rejection email and modification suggestions
        USER-->>API: Rejection completed
        API-->>ADMIN: Return success message
        ADMIN-->>A: Show rejection success
    end

3.2 User Permission Management Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant USER as User Service
    participant RBAC as Permission Service
    participant DB as Database
    participant CACHE as Redis Cache
    participant U as Target User

    A->>ADMIN: Enter user permission management
    ADMIN->>API: GET /api/admin/users/permissions
    API->>USER: Get user list
    USER->>DB: Query user and permission information
    DB-->>USER: Return user permission data
    USER-->>API: User permission list
    API-->>ADMIN: Return permission management data
    ADMIN-->>A: Show user permission table
    
    A->>ADMIN: Search specific user
    ADMIN->>API: GET /api/admin/users/search?q=keyword
    API->>USER: Search users
    USER->>DB: Execute search query
    DB-->>USER: Return search results
    USER-->>API: Search user list
    API-->>ADMIN: Return search results
    ADMIN-->>A: Show search results
    
    A->>ADMIN: Modify user permissions
    ADMIN->>API: PUT /api/admin/users/{id}/permissions
    API->>RBAC: Verify permission modification request
    RBAC->>DB: Check current admin permissions
    
    alt Admin has sufficient permissions
        DB-->>RBAC: Permission verification passed
        RBAC->>USER: Execute permission modification
        USER->>DB: Update user permissions
        DB-->>USER: Permission update successful
        USER->>CACHE: Clear user permission cache
        CACHE-->>USER: Cache cleared successfully
        USER->>NOTIFY: Send permission change notification
        NOTIFY->>U: Notify user of permission change
        USER-->>API: Permission modification completed
        API-->>ADMIN: Return success message
        ADMIN-->>A: Show modification success
    else Admin has insufficient permissions
        DB-->>RBAC: Insufficient permissions
        RBAC-->>API: Return permission error
        API-->>ADMIN: Return 403 error
        ADMIN-->>A: Show insufficient permissions prompt
    end

4. Advertisement Management Operation Flow

4.1 Advertisement Review and Management Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant AD as Advertisement Service
    participant ANALYTICS as Analytics Service
    participant DB as Database
    participant S as Streamer User

    A->>ADMIN: Enter advertisement management page
    ADMIN->>API: GET /api/admin/ads/list
    API->>AD: Get advertisement list
    AD->>DB: Query advertisement information
    DB-->>AD: Return advertisement data
    AD->>ANALYTICS: Get advertisement statistics
    ANALYTICS->>DB: Query clicks, impressions, etc.
    DB-->>ANALYTICS: Return statistics data
    ANALYTICS-->>AD: Advertisement statistics information
    AD-->>API: Complete advertisement data
    API-->>ADMIN: Return advertisement list
    ADMIN-->>A: Show advertisement management interface
    
    A->>ADMIN: Filter advertisement status
    ADMIN->>API: GET /api/admin/ads/list?status=active
    API->>AD: Filter advertisements by status
    AD->>DB: Execute filter query
    DB-->>AD: Return filtered results
    AD-->>API: Filtered advertisements
    API-->>ADMIN: Return filtered data
    ADMIN-->>A: Update advertisement list
    
    A->>ADMIN: View advertisement details
    ADMIN->>API: GET /api/admin/ads/{id}/detail
    API->>AD: Get advertisement detailed information
    AD->>DB: Query advertisement details
    DB-->>AD: Return detailed data
    AD->>ANALYTICS: Get detailed statistics
    ANALYTICS->>DB: Query detailed analysis data
    DB-->>ANALYTICS: Return analysis results
    ANALYTICS-->>AD: Detailed statistics information
    AD-->>API: Complete advertisement details
    API-->>ADMIN: Return detail data
    ADMIN-->>A: Show advertisement detail page
    
    alt Admin deactivates advertisement
        A->>ADMIN: Click deactivate advertisement
        ADMIN->>API: PUT /api/admin/ads/{id}/deactivate
        API->>AD: Deactivate advertisement
        AD->>DB: Update advertisement status to deactivated
        DB-->>AD: Status update successful
        AD->>NOTIFY: Send deactivation notification
        NOTIFY->>S: Notify streamer advertisement deactivated
        AD-->>API: Deactivation operation completed
        API-->>ADMIN: Return success message
        ADMIN-->>A: Show deactivation success
    else Admin adjusts advertisement priority
        A->>ADMIN: Modify advertisement priority
        ADMIN->>API: PUT /api/admin/ads/{id}/priority
        API->>AD: Update advertisement priority
        AD->>DB: Save new priority
        DB-->>AD: Priority update successful
        AD-->>API: Priority modification completed
        API-->>ADMIN: Return success message
        ADMIN-->>A: Show modification success
    end

4.2 Advertisement Package Management Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant AD as Advertisement Service
    participant PRICING as Pricing Service
    participant DB as Database

    A->>ADMIN: Enter advertisement package management
    ADMIN->>API: GET /api/admin/ad-packages
    API->>AD: Get advertisement packages
    AD->>DB: Query package information
    DB-->>AD: Return package data
    AD-->>API: Advertisement package list
    API-->>ADMIN: Return package information
    ADMIN-->>A: Show package management page
    
    A->>ADMIN: Create new advertisement package
    ADMIN->>API: POST /api/admin/ad-packages/create
    API->>PRICING: Verify pricing strategy
    PRICING->>DB: Check pricing rules
    DB-->>PRICING: Return pricing information
    PRICING-->>API: Pricing verification passed
    API->>AD: Create advertisement package
    AD->>DB: Save package information
    DB-->>AD: Package creation successful
    AD-->>API: Package creation completed
    API-->>ADMIN: Return success message
    ADMIN-->>A: Show creation success
    
    A->>ADMIN: Modify package pricing
    ADMIN->>API: PUT /api/admin/ad-packages/{id}/pricing
    API->>PRICING: Update pricing strategy
    PRICING->>DB: Check price change impact
    
    alt Price change reasonable
        DB-->>PRICING: Change verification passed
        PRICING->>AD: Execute price update
        AD->>DB: Update package price
        DB-->>AD: Price update successful
        AD-->>API: Price modification completed
        API-->>ADMIN: Return success message
        ADMIN-->>A: Show modification success
    else Price change abnormal
        DB-->>PRICING: Change has risks
        PRICING-->>API: Return risk warning
        API-->>ADMIN: Return warning message
        ADMIN-->>A: Show risk prompt
    end

5. Financial Management Operation Flow

5.1 Order and Payment Management Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant FINANCE as Finance Service
    participant STRIPE as Stripe Service
    participant DB as Database
    participant REPORT as Report Service

    A->>ADMIN: Enter financial management page
    ADMIN->>API: GET /api/admin/finance/overview
    API->>FINANCE: Get financial overview
    FINANCE->>DB: Query revenue statistics
    DB-->>FINANCE: Return revenue data
    FINANCE->>STRIPE: Get Stripe statistics
    STRIPE-->>FINANCE: Return payment statistics
    FINANCE-->>API: Financial overview data
    API-->>ADMIN: Return overview information
    ADMIN-->>A: Show financial dashboard
    
    A->>ADMIN: View order list
    ADMIN->>API: GET /api/admin/orders/list
    API->>FINANCE: Get order data
    FINANCE->>DB: Query order information
    DB-->>FINANCE: Return order list
    FINANCE-->>API: Order data
    API-->>ADMIN: Return order list
    ADMIN-->>A: Show order management page
    
    A->>ADMIN: Filter anomalous orders
    ADMIN->>API: GET /api/admin/orders/anomalies
    API->>FINANCE: Detect anomalous orders
    FINANCE->>DB: Query anomalous patterns
    DB-->>FINANCE: Return anomalous orders
    FINANCE->>STRIPE: Verify payment status
    STRIPE-->>FINANCE: Return payment verification
    FINANCE-->>API: Anomalous order list
    API-->>ADMIN: Return anomalous data
    ADMIN-->>A: Show anomalous orders
    
    A->>ADMIN: Process refund request
    ADMIN->>API: POST /api/admin/refunds/{orderId}/process
    API->>FINANCE: Process refund request
    FINANCE->>DB: Check order status
    
    alt Order refundable
        DB-->>FINANCE: Order status normal
        FINANCE->>STRIPE: Initiate refund
        STRIPE-->>FINANCE: Refund processing successful
        FINANCE->>DB: Update order status
        DB-->>FINANCE: Status update successful
        FINANCE->>NOTIFY: Send refund notification
        FINANCE-->>API: Refund processing completed
        API-->>ADMIN: Return success message
        ADMIN-->>A: Show refund success
    else Order not refundable
        DB-->>FINANCE: Order status abnormal
        FINANCE-->>API: Return error message
        API-->>ADMIN: Return refund failure
        ADMIN-->>A: Show failure reason
    end

5.2 Financial Report Generation Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant REPORT as Report Service
    participant ANALYTICS as Analytics Service
    participant DB as Database
    participant EXPORT as Export Service

    A->>ADMIN: Select report type and time range
    ADMIN->>API: POST /api/admin/reports/generate
    API->>REPORT: Generate financial report
    REPORT->>ANALYTICS: Get analysis data
    ANALYTICS->>DB: Execute complex queries
    DB-->>ANALYTICS: Return raw data
    ANALYTICS->>ANALYTICS: Data aggregation and calculation
    ANALYTICS-->>REPORT: Return analysis results
    
    REPORT->>REPORT: Generate report structure
    REPORT-->>API: Report generation completed
    API-->>ADMIN: Return report data
    ADMIN-->>A: Show financial report
    
    A->>ADMIN: Export report
    ADMIN->>API: GET /api/admin/reports/{id}/export
    API->>EXPORT: Export report file
    EXPORT->>REPORT: Get report data
    REPORT-->>EXPORT: Return report content
    EXPORT->>EXPORT: Generate Excel/PDF file
    EXPORT-->>API: Return file download link
    API-->>ADMIN: Return download link
    ADMIN-->>A: Provide file download

6. Data Analysis Operation Flow

6.1 User Behavior Analysis Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant ANALYTICS as Analytics Service
    participant ML as Machine Learning Service
    participant DB as Database
    participant CACHE as Redis Cache

    A->>ADMIN: Enter data analysis page
    ADMIN->>API: GET /api/admin/analytics/dashboard
    API->>ANALYTICS: Get analysis dashboard
    ANALYTICS->>CACHE: Check cached data
    
    alt Cache hit
        CACHE-->>ANALYTICS: Return cached data
        ANALYTICS-->>API: Analysis data
        API-->>ADMIN: Return dashboard data
        ADMIN-->>A: Show analysis dashboard
    else Cache miss
        CACHE-->>ANALYTICS: Cache miss
        ANALYTICS->>DB: Query user behavior data
        DB-->>ANALYTICS: Return behavior data
        ANALYTICS->>ML: Execute behavior analysis
        ML-->>ANALYTICS: Return analysis results
        ANALYTICS->>CACHE: Update cache
        ANALYTICS-->>API: Analysis data
        API-->>ADMIN: Return dashboard data
        ADMIN-->>A: Show analysis dashboard
    end
    
    A->>ADMIN: View user retention analysis
    ADMIN->>API: GET /api/admin/analytics/retention
    API->>ANALYTICS: Calculate user retention
    ANALYTICS->>DB: Query user login records
    DB-->>ANALYTICS: Return login data
    ANALYTICS->>ANALYTICS: Calculate retention rate
    ANALYTICS-->>API: Retention analysis results
    API-->>ADMIN: Return retention data
    ADMIN-->>A: Show retention analysis chart
    
    A->>ADMIN: Analyze user conversion funnel
    ADMIN->>API: GET /api/admin/analytics/funnel
    API->>ANALYTICS: Analyze conversion funnel
    ANALYTICS->>DB: Query user behavior paths
    DB-->>ANALYTICS: Return behavior data
    ANALYTICS->>ML: Calculate conversion rate
    ML-->>ANALYTICS: Return conversion analysis
    ANALYTICS-->>API: Funnel analysis results
    API-->>ADMIN: Return funnel data
    ADMIN-->>A: Show conversion funnel chart

6.2 Business Metrics Monitoring Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant MONITOR as Monitoring Service
    participant ALERT as Alert Service
    participant DB as Database
    participant NOTIFY as Notification Service

    A->>ADMIN: Set business metrics monitoring
    ADMIN->>API: POST /api/admin/monitoring/metrics
    API->>MONITOR: Configure monitoring metrics
    MONITOR->>DB: Save monitoring configuration
    DB-->>MONITOR: Configuration saved successfully
    MONITOR-->>API: Monitoring configuration completed
    API-->>ADMIN: Return success message
    ADMIN-->>A: Show configuration success
    
    Note over MONITOR: Background monitoring process
    MONITOR->>DB: Periodically check business metrics
    DB-->>MONITOR: Return latest metric data
    MONITOR->>MONITOR: Analyze metric trends
    
    alt Metrics abnormal
        MONITOR->>ALERT: Trigger alert
        ALERT->>DB: Record alert event
        ALERT->>NOTIFY: Send alert notification
        NOTIFY->>A: Send email/SMS alert
        ALERT->>ADMIN: Push real-time alert
    else Metrics normal
        MONITOR->>DB: Record normal status
    end
    
    A->>ADMIN: View real-time monitoring
    ADMIN->>API: GET /api/admin/monitoring/realtime
    API->>MONITOR: Get real-time data
    MONITOR->>DB: Query latest metrics
    DB-->>MONITOR: Return real-time data
    MONITOR-->>API: Real-time monitoring data
    API-->>ADMIN: Return monitoring information
    ADMIN-->>A: Show real-time monitoring interface

7. System Configuration Management Flow

7.1 System Parameter Configuration Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant CONFIG as Configuration Service
    participant VALIDATE as Validation Service
    participant DB as Database
    participant CACHE as Redis Cache

    A->>ADMIN: Enter system configuration page
    ADMIN->>API: GET /api/admin/config/system
    API->>CONFIG: Get system configuration
    CONFIG->>DB: Query configuration parameters
    DB-->>CONFIG: Return configuration data
    CONFIG-->>API: System configuration information
    API-->>ADMIN: Return configuration data
    ADMIN-->>A: Show configuration management interface
    
    A->>ADMIN: Modify configuration parameters
    ADMIN->>API: PUT /api/admin/config/update
    API->>VALIDATE: Validate configuration parameters
    VALIDATE->>VALIDATE: Check parameter format and range
    
    alt Parameter validation passed
        VALIDATE-->>API: Validation successful
        API->>CONFIG: Update configuration
        CONFIG->>DB: Save new configuration
        DB-->>CONFIG: Configuration update successful
        CONFIG->>CACHE: Clear configuration cache
        CACHE-->>CONFIG: Cache cleared successfully
        CONFIG-->>API: Configuration update completed
        API-->>ADMIN: Return success message
        ADMIN-->>A: Show update success
    else Parameter validation failed
        VALIDATE-->>API: Validation failed
        API-->>ADMIN: Return validation error
        ADMIN-->>A: Show parameter error
    end

7.2 Email Template Management Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant TEMPLATE as Template Service
    participant PREVIEW as Preview Service
    participant DB as Database

    A->>ADMIN: Enter email template management
    ADMIN->>API: GET /api/admin/email-templates
    API->>TEMPLATE: Get email templates
    TEMPLATE->>DB: Query template list
    DB-->>TEMPLATE: Return template data
    TEMPLATE-->>API: Email template list
    API-->>ADMIN: Return template information
    ADMIN-->>A: Show template management page
    
    A->>ADMIN: Edit email template
    ADMIN->>API: GET /api/admin/email-templates/{id}
    API->>TEMPLATE: Get template details
    TEMPLATE->>DB: Query template content
    DB-->>TEMPLATE: Return template details
    TEMPLATE-->>API: Template detailed information
    API-->>ADMIN: Return template content
    ADMIN-->>A: Show template editor
    
    A->>ADMIN: Preview template effect
    ADMIN->>API: POST /api/admin/email-templates/preview
    API->>PREVIEW: Generate template preview
    PREVIEW->>PREVIEW: Render template content
    PREVIEW-->>API: Preview HTML
    API-->>ADMIN: Return preview content
    ADMIN-->>A: Show template preview
    
    A->>ADMIN: Save template modifications
    ADMIN->>API: PUT /api/admin/email-templates/{id}
    API->>TEMPLATE: Update template
    TEMPLATE->>DB: Save template content
    DB-->>TEMPLATE: Template update successful
    TEMPLATE-->>API: Update completed
    API-->>ADMIN: Return success message
    ADMIN-->>A: Show save success

8. Security Management Operation Flow

8.1 Security Log Audit Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant SECURITY as Security Service
    participant LOG as Log Service
    participant DB as Database
    participant ALERT as Alert Service

    A->>ADMIN: Enter security audit page
    ADMIN->>API: GET /api/admin/security/audit
    API->>SECURITY: Get security logs
    SECURITY->>LOG: Query security events
    LOG->>DB: Retrieve log records
    DB-->>LOG: Return log data
    LOG-->>SECURITY: Security log information
    SECURITY-->>API: Security audit data
    API-->>ADMIN: Return audit information
    ADMIN-->>A: Show security audit interface
    
    A->>ADMIN: Filter anomalous logins
    ADMIN->>API: GET /api/admin/security/anomalies
    API->>SECURITY: Detect anomalous behavior
    SECURITY->>LOG: Analyze login patterns
    LOG->>DB: Query login records
    DB-->>LOG: Return login data
    LOG->>LOG: Detect anomalous patterns
    LOG-->>SECURITY: Anomalous login list
    SECURITY-->>API: Anomalous behavior data
    API-->>ADMIN: Return anomalous information
    ADMIN-->>A: Show anomalous login records
    
    A->>ADMIN: Handle security threats
    ADMIN->>API: POST /api/admin/security/block-user
    API->>SECURITY: Execute security measures
    SECURITY->>DB: Update user status
    DB-->>SECURITY: Status update successful
    SECURITY->>ALERT: Record security event
    ALERT->>DB: Save security record
    SECURITY-->>API: Security measures executed successfully
    API-->>ADMIN: Return processing result
    ADMIN-->>A: Show processing success

9. Batch Operation Flow

9.1 Batch User Operation Flow

sequenceDiagram
    participant A as Admin
    participant ADMIN as Admin Backend
    participant API as API Service
    participant BATCH as Batch Processing Service
    participant QUEUE as Message Queue
    participant WORKER as Background Worker Process
    participant DB as Database
    participant NOTIFY as Notification Service

    A->>ADMIN: Select batch operation
    ADMIN->>API: POST /api/admin/batch/users/operation
    API->>BATCH: Create batch task
    BATCH->>QUEUE: Add task to queue
    QUEUE-->>BATCH: Task enqueued successfully
    BATCH->>DB: Record task status
    DB-->>BATCH: Task recorded successfully
    BATCH-->>API: Batch task creation completed
    API-->>ADMIN: Return task ID
    ADMIN-->>A: Show task submission success
    
    Note over WORKER: Background asynchronous processing
    WORKER->>QUEUE: Get pending tasks
    QUEUE-->>WORKER: Return task information
    WORKER->>DB: Batch process user data
    
    loop Process each user
        WORKER->>DB: Update user information
        DB-->>WORKER: Update result
        WORKER->>BATCH: Update processing progress
    end
    
    WORKER->>NOTIFY: Send completion notification
    NOTIFY->>A: Notify admin task completed
    WORKER->>DB: Update task status to completed
    
    A->>ADMIN: View task progress
    ADMIN->>API: GET /api/admin/batch/tasks/{id}/status
    API->>BATCH: Get task status
    BATCH->>DB: Query task progress
    DB-->>BATCH: Return progress information
    BATCH-->>API: Task status data
    API-->>ADMIN: Return progress information
    ADMIN-->>A: Show task progress

10. Admin Operation Optimization Recommendations

10.1 Operation Efficiency Optimization

  • Implement batch operation functions to improve processing efficiency

  • Add shortcut key support to accelerate common operations

  • Implement intelligent search and filtering functions

  • Provide operation history records and undo functions

10.2 Security Enhancement

  • Implement operation log recording to ensure traceability

  • Add secondary confirmation mechanism for sensitive operations

  • Implement IP whitelist and access time restrictions

  • Regularly conduct permission audits and cleanup

10.3 User Experience Improvement

  • Provide operation guidance and help documentation

  • Implement responsive design to support mobile management

  • Add operation progress prompts and status feedback

  • Optimize page loading speed and interaction response