qdr.app.woo.plugins/qdr-temporary-shared-storage/admin/settings-page.php

<?php
/**
 * Admin Settings Page
 *
 * @package QDR_Temporary_Shared_Storage
 */

// If this file is called directly, abort.
if (!defined('WPINC')) {
    die;
}

/**
 * Render the Settings | Shared Storage admin page
 */
function qdr_tss_render_settings_page() {
    // Get current settings
    $settings = get_option('qdr_tss_settings', array(
        'api_key' => '',
        'media_category' => 'shared-storage',
        'max_upload_size' => 1073741824, // 1GB default
    ));
    
    // Get total storage usage
    global $wpdb;
    $table_name = $wpdb->prefix . QDR_TSS_PLUGIN_TABLE;
    $total_size = $wpdb->get_var("SELECT SUM(file_size) FROM $table_name");
    $total_size = $total_size ? intval($total_size) : 0;
    ?>
    
    <div class="wrap qdr-tss-admin">
        <h1><?php esc_html_e('Shared Storage Settings', 'qdr-temporary-shared-storage'); ?></h1>
        
        <form id="qdr-tss-settings-form" method="post">
            <table class="form-table">
                <tbody>
                    <tr>
                        <th scope="row">
                            <label for="qdr-tss-api-key"><?php esc_html_e('API Key', 'qdr-temporary-shared-storage'); ?></label>
                        </th>
                        <td>
                            <input type="text" id="qdr-tss-api-key" name="api_key" value="<?php echo esc_attr($settings['api_key']); ?>" class="regular-text">
                            <p class="description"><?php esc_html_e('API key for REST API authentication.', 'qdr-temporary-shared-storage'); ?></p>
                            <button type="button" id="qdr-tss-generate-key" class="button"><?php esc_html_e('Generate New Key', 'qdr-temporary-shared-storage'); ?></button>
                        </td>
                    </tr>
                    
                    <tr>
                        <th scope="row">
                            <label for="qdr-tss-media-category"><?php esc_html_e('Media Category', 'qdr-temporary-shared-storage'); ?></label>
                        </th>
                        <td>
                            <input type="text" id="qdr-tss-media-category" name="media_category" value="<?php echo esc_attr($settings['media_category']); ?>" class="regular-text">
                            <p class="description"><?php esc_html_e('Category to assign to uploaded media.', 'qdr-temporary-shared-storage'); ?></p>
                        </td>
                    </tr>
                    
                    <tr>
                        <th scope="row">
                            <label for="qdr-tss-max-upload-size"><?php esc_html_e('Maximum Storage Size (bytes)', 'qdr-temporary-shared-storage'); ?></label>
                        </th>
                        <td>
                            <input type="number" id="qdr-tss-max-upload-size" name="max_upload_size" value="<?php echo esc_attr($settings['max_upload_size']); ?>" class="regular-text">
                            <p class="description">
                                <?php esc_html_e('Maximum total storage size in bytes. Current usage:', 'qdr-temporary-shared-storage'); ?> 
                                <span id="qdr-tss-current-usage"><?php echo esc_html(qdr_tss_format_bytes($total_size)); ?></span>
                                (<?php echo esc_html(qdr_tss_format_bytes($settings['max_upload_size'])); ?> <?php esc_html_e('max', 'qdr-temporary-shared-storage'); ?>)
                            </p>
                            <div class="qdr-tss-storage-bar">
                                <div class="qdr-tss-storage-used" style="width: <?php echo min(100, ($total_size / $settings['max_upload_size']) * 100); ?>%"></div>
                            </div>
                            
                            <p class="description">
                                <?php esc_html_e('Common sizes:', 'qdr-temporary-shared-storage'); ?><br>
                                1 GB = 1073741824 <?php esc_html_e('bytes', 'qdr-temporary-shared-storage'); ?><br>
                                5 GB = 5368709120 <?php esc_html_e('bytes', 'qdr-temporary-shared-storage'); ?><br>
                                10 GB = 10737418240 <?php esc_html_e('bytes', 'qdr-temporary-shared-storage'); ?>
                            </p>
                        </td>
                    </tr>
                </tbody>
            </table>
            
            <p class="submit">
                <button type="submit" id="qdr-tss-save-settings" class="button button-primary"><?php esc_html_e('Save Settings', 'qdr-temporary-shared-storage'); ?></button>
                <button type="button" id="qdr-tss-purge-expired" class="button"><?php esc_html_e('Purge Expired Files', 'qdr-temporary-shared-storage'); ?></button>
            </p>
        </form>
    </div>
    
    <script type="text/javascript">
        jQuery(document).ready(function($) {
            // Generate new API key
            $('#qdr-tss-generate-key').on('click', function(e) {
                e.preventDefault();
                
                // Generate a random string for API key
                var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
                var apiKey = '';
                for (var i = 0; i < 32; i++) {
                    apiKey += chars.charAt(Math.floor(Math.random() * chars.length));
                }
                
                $('#qdr-tss-api-key').val(apiKey);
            });
            
            // Save settings
            $('#qdr-tss-settings-form').on('submit', function(e) {
                e.preventDefault();
                
                var data = {
                    action: 'qdr_tss_save_settings',
                    nonce: qdr_tss.nonce,
                    api_key: $('#qdr-tss-api-key').val(),
                    media_category: $('#qdr-tss-media-category').val(),
                    max_upload_size: $('#qdr-tss-max-upload-size').val()
                };
                
                $.post(ajaxurl, data, function(response) {
                    if (response.success) {
                        alert(response.data.message);
                    } else {
                        alert(response.data.message);
                    }
                });
            });
            
            // Purge expired files
            $('#qdr-tss-purge-expired').on('click', function(e) {
                e.preventDefault();
                
                if (!confirm(qdr_tss.strings.confirm_purge)) {
                    return;
                }
                
                var data = {
                    action: 'qdr_tss_purge_expired',
                    nonce: qdr_tss.nonce
                };
                
                $.post(ajaxurl, data, function(response) {
                    if (response.success) {
                        alert(response.data.message);
                        // Reload page to update storage usage
                        location.reload();
                    } else {
                        alert(response.data.message);
                    }
                });
            });
        });
    </script>
    <?php
}

/**
 * Format bytes to human readable format
 *
 * @param int $bytes
 * @param int $precision
 * @return string
 */
function qdr_tss_format_bytes($bytes, $precision = 2) {
    $units = array('B', 'KB', 'MB', 'GB', 'TB');
    
    $bytes = max($bytes, 0);
    $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
    $pow = min($pow, count($units) - 1);
    
    $bytes /= pow(1024, $pow);
    
    return round($bytes, $precision) . ' ' . $units[$pow];
}