Hướng Dẫn Cấu Hình và Sử Dụng Plugin Quản Lý Khóa Học Poly Learn cho WordPress

graph TD
    A[Frontend Shortcodes poly_courses / Single Course] --> B{User Operation}
    B -->|Browse / Search| C[Vanilla JS AJAX Query Engine]
    B -->|Submit Application| D[Poly_Registrations_Handler Form Processor]
    C --> E[Fetch Custom Post Type poly_course & Taxonomies]
    E --> F[Render Responsive 1-6 Column Grid/List Views]
    D --> G[Sanitize Input & Insert Row into wp_poly_course_registrations]
    G --> H[Send Confirmation & Admin Alert Emails]
    H --> I[Return AJAX Status Notification Modal]

graph TD
    A[Student Fills Registration Form] --> B[Client-side Input Validation]
    B --> C[AJAX POST to wp-admin/admin-ajax.php]
    C --> D[Poly_Registrations_Handler Verification]
    D --> E[Insert Record into wp_poly_course_registrations]
    E --> F[Generate HTML Email Template Notifications]
    F --> G[Dispatch Email to Applicant & Admin Alert]
    G --> H[Update Admin Registrations Table & Enable CSV Export]

graph TD
    A[User Selects Category / Level / Location] --> B[Capture Event via Vanilla JS Listener]
    B --> C[Build AJAX Payload Keywords Taxonomies Pagination]
    C --> D[Query WP_Query poly_course with Tax Query]
    D --> E[Inject SEO Schema.org JSON-LD Structured Data]
    E --> F[Return Rendered HTML Cards & Update Browser History]