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change to dynamic image generation

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This commit is contained in:
Anthony Correa
2024-05-16 14:25:42 -05:00
parent accbf377a3
commit 6427906d15
1 changed files with 98 additions and 10 deletions
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108
includes/featured-image-generator.php
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@@ -104,8 +104,8 @@ function generate_bisected_image($color1, $color2, $logo1_path, $logo2_path) {
}
// Center logo 1
$logo1_x = ($width / 4) - ($new_logo1_width / 2);
$logo1_y = ($height / 2) - ($new_logo1_height / 2);
$logo1_x = (int) ($width / 4) - ($new_logo1_width / 2);
$logo1_y = (int) ($height / 2) - ($new_logo1_height / 2);
imagecopyresampled($image, $logo1, $logo1_x, $logo1_y, 0, 0, $new_logo1_width, $new_logo1_height, $logo1_width, $logo1_height);
imagedestroy($logo1);
}
@@ -134,21 +134,22 @@ function generate_bisected_image($color1, $color2, $logo1_path, $logo2_path) {
}
// Center logo 2
$logo2_x = (3 * $width / 4) - ($new_logo2_width / 2);
$logo2_y = ($height / 2) - ($new_logo2_height / 2);
$logo2_x = (int) (3 * $width / 4) - ($new_logo2_width / 2);
$logo2_y = (int) ($height / 2) - ($new_logo2_height / 2);
imagecopyresampled($image, $logo2, $logo2_x, $logo2_y, 0, 0, $new_logo2_width, $new_logo2_height, $logo2_width, $logo2_height);
imagedestroy($logo2);
}
// Start output buffering to capture the image data
ob_start();
imagepng($image); // Output the image as PNG
$image_data = ob_get_clean(); // Get the image data from the buffer
// Save to temp location
$temp_file = tempnam(sys_get_temp_dir(), 'event_image');
rename($temp_file, $temp_file .= '.png');
$temp_file .= '.png';
imagepng($image, $temp_file);
// Clean up memory
imagedestroy($image);
return $temp_file;
return $image_data;
}
function debug_to_console($data) {
@@ -280,3 +281,90 @@ function generate_images_for_existing_events($season = '') {
wp_reset_postdata();
}
}
function add_image_generator_endpoint() {
add_rewrite_endpoint('head-to-head', EP_ROOT, true);
}
add_action('init', 'add_image_generator_endpoint');
function handle_image_request() {
if (!isset($_GET['post'])) return;
$post_id = $_GET['post'];
$post = get_post($post_id);
// Verify post type
if (!$post && $post->post_type !== 'sp_event') return;
// Get associated teams from post meta
$team_ids = get_post_meta($post_id, 'sp_team', false); // false to get an array of values
// Ensure we have exactly two teams
if (count($team_ids) < 2) return;
$team1_id = $team_ids[0];
$team2_id = $team_ids[1];
$team1 = get_post($team1_id);
$team2 = get_post($team2_id);
$team1_postmodified = strtotime($team1->post_modified);
$team2_postmodified = strtotime($team2->post_modified);
$cache_key = "team_image_{$team1_id}_{$team1_postmodified}-{$team2_id}_{$team2_postmodified}";
$cached_image_path = get_transient($cache_key);
if ($cached_image_path && file_exists($cached_image_path)) {
serve_image($cached_image_path);
exit;
}
// Get team colors and logos
$team1_colors = get_post_meta($team1_id, 'sp_colors', true);
$team2_colors = get_post_meta($team2_id, 'sp_colors', true);
$default_color = '#FFFFFF'; // Default color (black)
$team1_color = !empty($team1_colors['primary']) ? $team1_colors['primary'] : $default_color;
$team2_color = !empty($team2_colors['primary']) ? $team2_colors['primary'] : $default_color;
// Security check for hex color
$team1_color = preg_match('/^#[a-fA-F0-9]{6}$/', $team1_color) ? $team1_color : '#FFFFFF';
$team2_color = preg_match('/^#[a-fA-F0-9]{6}$/', $team2_color) ? $team2_color : '#FFFFFF';
$team1_logo_url = get_the_post_thumbnail_url($team1_id, 'full');
$team2_logo_url = get_the_post_thumbnail_url($team2_id, 'full');
// Check if both team colors are default and both logos are empty
if (($team1_color === $default_color && empty($team1_logo_url)) && ($team2_color === $default_color && empty($team2_logo_url))) {
return; // Do nothing if both teams have no valid color or logo
}
$team1_logo_thumbnail_id = get_post_thumbnail_id($team1_id, 'full');
$team2_logo_thumbnail_id = get_post_thumbnail_id($team2_id, 'full');
$team1_logo = get_attached_file($team1_logo_thumbnail_id);
$team2_logo = get_attached_file($team2_logo_thumbnail_id);
// Generate the image if no valid cache exists
$image_data = generate_bisected_image($team1_color, $team2_color, $team1_logo, $team2_logo);
$image_path = save_image_to_cache($image_data, $cache_key);
set_transient($cache_key, $image_path, DAY_IN_SECONDS * 30); // Cache for 30 days
serve_image($image_path);
exit;
}
add_action('template_redirect', 'handle_image_request');
function serve_image($image_path) {
header('Content-Type: image/png');
readfile($image_path);
}
function save_image_to_cache($image_data, $cache_key) {
$upload_dir = wp_get_upload_dir();
$file_path = $upload_dir['path'] . '/' . $cache_key . '.png';
// Assuming $image_data is raw image data
file_put_contents($file_path, $image_data);
return $file_path;
}