Changes to repeater ui, and completed MVP for custom image sizes

functions.php

@@ -575,3 +575,120 @@ function lcp_delete_demo_posts_ajax_handler() {
     // Send a success response back to the browser
     wp_send_json_success('Demo posts deleted successfully.');
 }
+
+
+
+// Set a visited post cookies
+   // Hooked into send_headers via wp-hooks.php
+
+   function lcp_set_visited_posts_cookie() {
+    // Only track posts on single post pages
+    if (is_single()) {
+        // Get the current post's ID and post type
+        $current_post_id = get_the_ID();
+        $post_type = get_post_type();
+        $visit_time = time(); // Get the current time as a Unix timestamp
+
+        // Check if the cookie exists
+        if (isset($_COOKIE['lcp_visited_posts'])) {
+            // Decode the cookie's JSON value
+            $visited_posts = json_decode(stripslashes($_COOKIE['lcp_visited_posts']), true);
+
+            // Check if decoding was successful and if the format is correct
+            if (json_last_error() !== JSON_ERROR_NONE || !is_array($visited_posts)) {
+                // If the cookie is not valid, delete the cookie and start over
+                setcookie('lcp_visited_posts', '', time() - 3600, '/'); // Expire the cookie
+                $visited_posts = []; // Initialize an empty array
+            }
+        } else {
+            // Initialize an empty array if the cookie doesn't exist
+            $visited_posts = [];
+        }
+
+        // If the post type is not already in the cookie, initialize it as an empty array
+        if (!isset($visited_posts[$post_type])) {
+            $visited_posts[$post_type] = [];
+        }
+
+        // Add the current post ID and the visit timestamp as an array entry
+        // Ensure that the post ID isn't already added for this post type
+        $found = false;
+        foreach ($visited_posts[$post_type] as &$post) {
+            if (array_key_exists($current_post_id, $post)) {
+                $post[$current_post_id] = $visit_time; // Update the timestamp if post already exists
+                $found = true;
+                break;
+            }
+        }
+
+        // If post wasn't found, add it as a new entry
+        if (!$found) {
+            $visited_posts[$post_type][] = [$current_post_id => $visit_time];
+        }
+
+        // Encode the updated visited posts array to JSON
+        $cookie_value = json_encode($visited_posts);
+
+        // Set the cookie with a 30-day expiration time (this must be done before any output)
+        setcookie('lcp_visited_posts', $cookie_value, time() + (30 * 24 * 60 * 60), '/'); // '/' makes the cookie available across the whole site
+    }
+}
+
+
+/* CUSTOM IMAGE SIZES */
+function lcp_update_image_sizes() {
+    // Verify nonce for security
+    if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'custom_image_sizes_nonce')) {
+        wp_send_json_error(array('message' => 'Nonce validation failed.'));
+        return;
+    }
+
+    // Check if image_sizes data is provided
+    if (isset($_POST['image_sizes'])) {
+        $image_sizes = json_decode(stripslashes($_POST['image_sizes']), true); // Decode JSON data
+
+        // Make sure that the image_sizes data is valid
+        if (!is_array($image_sizes)) {
+            wp_send_json_error(array('message' => 'Invalid image sizes data.'));
+            return;
+        }
+
+        // Process the data (e.g., update options)
+        update_option('lcp_image_sizes', $image_sizes);
+
+        // Return success message
+        wp_send_json_success(array('message' => 'Image sizes updated successfully.'));
+    } else {
+        wp_send_json_error(array('message' => 'No image sizes data received.'));
+    }
+}
+
+add_action('wp_ajax_update_lcp_theme_settings', 'lcp_update_image_sizes');
+add_action('wp_ajax_nopriv_update_lcp_theme_settings', 'lcp_update_image_sizes');
+
+function lcp_register_custom_image_sizes() {
+    // Retrieve the 'lcp_image_sizes' option, which is already unserialized by WordPress
+    $custom_image_sizes = get_option('lcp_image_sizes');
+    
+    // Check if the option exists and is an array (because WordPress auto-unserializes the data)
+    if ($custom_image_sizes && is_array($custom_image_sizes)) {
+        // Loop through the array and register each image size
+        foreach ($custom_image_sizes as $size) {
+            // Ensure the size has the correct keys and valid values
+            if (isset($size['name'], $size['width'], $size['height'], $size['crop']) && !empty($size['name'])) {
+                // Sanitize the name, but ensure it's not just a number like '1'
+                $name = sanitize_key($size['name']);
+                $width = (int) $size['width'];  // Cast to integer
+                $height = (int) $size['height'];  // Cast to integer
+                $crop = (bool) $size['crop'];  // Convert to boolean
+                
+                // Register the custom image size
+                add_image_size($name, $width, $height, $crop);
+            }
+        }
+    }
+}
+
+
+// Hook into WordPress to register custom sizes
+add_action('after_setup_theme', 'lcp_register_custom_image_sizes');