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282
includes/featured-image-generator.php
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282
includes/featured-image-generator.php
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<?php
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/*
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Plugin Name: SP Event Image Generator
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Description: Auto-generates featured images for SP Events by combining team colors and logos.
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Version: 1.0
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Author: Your Name
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*/
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add_action('save_post_sp_event', 'generate_event_featured_image', 10, 3);
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function generate_event_featured_image($post_id, $post) {
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// Verify post type
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if ($post->post_type !== 'sp_event') return;
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// Get associated teams from post meta
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$team_ids = get_post_meta($post_id, 'sp_team', false); // false to get an array of values
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// Ensure we have exactly two teams
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if (count($team_ids) < 2) return;
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$team1_id = $team_ids[0];
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$team2_id = $team_ids[1];
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// Get team colors and logos
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$team1_colors = get_post_meta($team1_id, 'sp_colors', true);
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$team2_colors = get_post_meta($team2_id, 'sp_colors', true);
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$default_color = '#FFFFFF'; // Default color (black)
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$team1_color = !empty($team1_colors['primary']) ? $team1_colors['primary'] : $default_color;
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$team2_color = !empty($team2_colors['primary']) ? $team2_colors['primary'] : $default_color;
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$team1_logo_url = get_the_post_thumbnail_url($team1_id, 'full');
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$team2_logo_url = get_the_post_thumbnail_url($team2_id, 'full');
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// Check if both team colors are default and both logos are empty
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if (($team1_color === $default_color && empty($team1_logo_url)) && ($team2_color === $default_color && empty($team2_logo_url))) {
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return; // Do nothing if both teams have no valid color or logo
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}
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$team1_logo_thumbnail_id = get_post_thumbnail_id($team1_id, 'full');
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$team2_logo_thumbnail_id = get_post_thumbnail_id($team2_id, 'full');
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$team1_logo = get_attached_file($team1_logo_thumbnail_id);
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$team2_logo = get_attached_file($team2_logo_thumbnail_id);
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// Generate image
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$image = generate_bisected_image($team1_color, $team2_color, $team1_logo, $team2_logo);
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// Upload and set as featured image
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$attachment_id = upload_image($image, $post_id, $team1_id, $team2_id);
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set_post_thumbnail($post_id, $attachment_id);
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}
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function generate_bisected_image($color1, $color2, $logo1_path, $logo2_path) {
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$width = 1200;
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$height = 628;
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$x_margin = 0.1 * ($width / 2); // 10% of half the width
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$y_margin = 0.1 * $height; // 10% of the height
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$image = imagecreatetruecolor($width, $height);
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// Allocate colors
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$rgb1 = sscanf($color1, "#%02x%02x%02x");
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$rgb2 = sscanf($color2, "#%02x%02x%02x");
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$color1_alloc = imagecolorallocate($image, $rgb1[0], $rgb1[1], $rgb1[2]);
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$color2_alloc = imagecolorallocate($image, $rgb2[0], $rgb2[1], $rgb2[2]);
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// Fill halves with a 15-degree angled bisection
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$points1 = [
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0, 0,
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0, $height,
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$width*.40, $height,
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$width*.60, 0,
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];
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$points2 = [
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$width, 0,
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$width, $height,
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$width*.40, $height,
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$width*.60, 0,
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];
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imagefilledpolygon($image, $points1, $color1_alloc);
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imagefilledpolygon($image, $points2, $color2_alloc);
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// Add logos with resizing and positioning if paths are not empty
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if (!empty($logo1_path)) {
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$logo1 = imagecreatefrompng($logo1_path);
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$logo1_width = imagesx($logo1);
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$logo1_height = imagesy($logo1);
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// Calculate max dimensions for logo 1
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$max_width = ($width / 2) - (2 * $x_margin);
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$max_height = $height - (2 * $y_margin);
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// Resize logo 1
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$new_logo1_width = $logo1_width;
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$new_logo1_height = $logo1_height;
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if ($logo1_width > $max_width || $logo1_height > $max_height) {
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$aspect_ratio1 = $logo1_width / $logo1_height;
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if ($logo1_width / $max_width > $logo1_height / $max_height) {
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$new_logo1_width = $max_width;
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$new_logo1_height = $max_width / $aspect_ratio1;
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} else {
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$new_logo1_height = $max_height;
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$new_logo1_width = $max_height * $aspect_ratio1;
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}
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}
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// Center logo 1
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$logo1_x = ($width / 4) - ($new_logo1_width / 2);
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$logo1_y = ($height / 2) - ($new_logo1_height / 2);
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imagecopyresampled($image, $logo1, $logo1_x, $logo1_y, 0, 0, $new_logo1_width, $new_logo1_height, $logo1_width, $logo1_height);
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imagedestroy($logo1);
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}
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if (!empty($logo2_path)) {
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$logo2 = imagecreatefrompng($logo2_path);
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$logo2_width = imagesx($logo2);
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$logo2_height = imagesy($logo2);
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// Calculate max dimensions for logo 2
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$max_width = ($width / 2) - (2 * $x_margin);
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$max_height = $height - (2 * $y_margin);
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// Resize logo 2
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$new_logo2_width = $logo2_width;
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$new_logo2_height = $logo2_height;
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if ($logo2_width > $max_width || $logo2_height > $max_height) {
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$aspect_ratio2 = $logo2_width / $logo2_height;
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if ($logo2_width / $max_width > $logo2_height / $max_height) {
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$new_logo2_width = $max_width;
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$new_logo2_height = $max_width / $aspect_ratio2;
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} else {
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$new_logo2_height = $max_height;
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$new_logo2_width = $max_height * $aspect_ratio2;
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}
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}
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// Center logo 2
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$logo2_x = (3 * $width / 4) - ($new_logo2_width / 2);
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$logo2_y = ($height / 2) - ($new_logo2_height / 2);
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imagecopyresampled($image, $logo2, $logo2_x, $logo2_y, 0, 0, $new_logo2_width, $new_logo2_height, $logo2_width, $logo2_height);
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imagedestroy($logo2);
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}
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// Save to temp location
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$temp_file = tempnam(sys_get_temp_dir(), 'event_image');
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rename($temp_file, $temp_file .= '.png');
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$temp_file .= '.png';
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imagepng($image, $temp_file);
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imagedestroy($image);
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return $temp_file;
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}
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function debug_to_console($data) {
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$output = $data;
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if (is_array($output))
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$output = implode(',', $output);
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echo "<script>console.log('Debug Objects: " . $output . "' );</script>";
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}
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function upload_image($file, $post_id, $team1_id, $team2_id) {
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$filename = 'event-' . $team1_id .'-'. $team2_id . '.png'; // Set custom file name
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$upload_dir = wp_upload_dir();
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$file_path = $upload_dir['path'] . '/' . $filename;
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// Find existing attachments with the same name and delete them
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$existing_attachments = get_posts(array(
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'post_type' => 'attachment',
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'name' => sanitize_file_name($filename),
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'posts_per_page' => -1,
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'post_status' => 'any'
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));
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foreach ($existing_attachments as $attachment) {
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wp_delete_attachment($attachment->ID, true);
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}
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$upload_file = wp_upload_bits($filename, null, file_get_contents($file));
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if (!$upload_file['error']) {
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$wp_filetype = wp_check_filetype($filename, null);
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$attachment = array(
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'post_mime_type' => $wp_filetype['type'],
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'post_title' => sanitize_file_name($filename),
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'post_content' => '',
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'post_status' => 'private' // Set the status to private
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);
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$attachment_id = wp_insert_attachment($attachment, $upload_file['file'], $post_id);
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require_once(ABSPATH . 'wp-admin/includes/image.php');
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$attach_data = wp_generate_attachment_metadata($attachment_id, $upload_file['file']);
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wp_update_attachment_metadata($attachment_id, $attach_data);
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return $attachment_id;
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}
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return 0;
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}
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// Add menu item to generate images for existing events
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add_action('admin_menu', 'add_generate_images_menu');
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function add_generate_images_menu() {
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add_submenu_page(
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'tools.php',
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'Generate Event Images', // Page title
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'Generate Event Images', // Menu title
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'manage_options', // Capability
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'generate-event-images', // Menu slug
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'generate_images_menu_page' // Function to display page content
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);
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}
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function generate_images_menu_page() {
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// Check user capabilities
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if (!current_user_can('manage_options')) {
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return;
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}
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// Handle form submission
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if (isset($_POST['generate_images'])) {
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$season = isset($_POST['sp_season']) ? sanitize_text_field($_POST['sp_season']) : '';
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generate_images_for_existing_events($season);
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echo '<div class="updated"><p>Images generated for selected events.</p></div>';
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}
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// Get available seasons
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$seasons = get_terms(array(
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'taxonomy' => 'sp_season',
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'hide_empty' => false,
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));
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?>
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<div class="wrap">
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<h1>Generate Event Images</h1>
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<form method="post" action="">
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<p>Select a season to generate images for:</p>
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<select name="sp_season">
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<option value="">All Seasons</option>
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<?php
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foreach ($seasons as $season) {
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echo '<option value="' . esc_attr($season->slug) . '">' . esc_html($season->name) . '</option>';
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}
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?>
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</select>
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<p><input type="submit" name="generate_images" class="button-primary" value="Generate Images"></p>
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</form>
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</div>
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<?php
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}
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function generate_images_for_existing_events($season = '') {
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$args = array(
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'post_type' => 'sp_event',
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'posts_per_page' => -1,
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);
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// Add season filter if selected
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if (!empty($season)) {
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$args['tax_query'] = array(
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array(
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'taxonomy' => 'sp_season',
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'field' => 'slug',
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'terms' => $season,
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),
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);
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}
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$events = new WP_Query($args);
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if ($events->have_posts()) {
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while ($events->have_posts()) {
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$events->the_post();
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$post_id = get_the_ID();
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// Ensure no duplicate processing
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if (has_post_thumbnail($post_id)) continue;
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// Generate the featured image using the existing function
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generate_event_featured_image($post_id, get_post($post_id), false);
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}
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wp_reset_postdata();
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}
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}
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@@ -14,3 +14,4 @@
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// Include other files here
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require_once plugin_dir_path(__FILE__) . 'includes/featured-image-generator.php';
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