Gravity Forms Entries Unread Indicator

<?php
/**
 * Plugin Name: Gravity Forms Unread Entries Indicator
 * Description: Adds an indicator to the Gravity Forms Entries menu showing the number of unread entries.
 * Version: 1.0
 * Author: Chris Egglelston
 * Website: https://gravityranger.com
 */

if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly
}

// Add unread entries indicator to the Entries submenu
add_action('admin_menu', 'add_unread_entries_indicator_to_entries', 999);
function add_unread_entries_indicator_to_entries() {
    // Get all forms
    $forms = GFAPI::get_forms();

    // Initialize unread count
    $unread_count = 0;

    // Loop through all forms and count unread entries
    foreach ($forms as $form) {
        $entries = GFAPI::get_entries($form['id'], array(), null, array('status' => 'active'));

        foreach ($entries as $entry) {
            if (!gform_get_meta($entry['id'], 'is_read')) {
                $unread_count++;
            }
        }
    }

    // Add the bubble to the Entries submenu
    global $submenu;
    if (isset($submenu['gf_edit_forms'])) {
        foreach ($submenu['gf_edit_forms'] as $key => $item) {
            if ($item[2] === 'gf_entries') { // "Entries" submenu slug
                $submenu['gf_edit_forms'][$key][0] .= " <span class='update-plugins count-$unread_count' style='margin-left: 5px;'>
                                                        <span class='plugin-count'>$unread_count</span>
                                                    </span>";
                break;
            }
        }
    }
}

// Mark entries as read/unread when toggled via AJAX
add_action('wp_ajax_gf_toggle_entry_read', 'update_unread_count');
function update_unread_count() {
    // Get entry ID and action from the AJAX request
    $entry_id = isset($_POST['entryId']) ? absint($_POST['entryId']) : null;
    $mark_as_read = isset($_POST['markAsRead']) ? filter_var($_POST['markAsRead'], FILTER_VALIDATE_BOOLEAN) : true;

    if (!$entry_id) {
        wp_send_json_error('No entry ID provided.');
        return;
    }

    // Update the entry's read status
    gform_update_meta($entry_id, 'is_read', $mark_as_read);

    // Recalculate unread count
    $unread_count = 0;
    $forms = GFAPI::get_forms();

    foreach ($forms as $form) {
        $entries = GFAPI::get_entries($form['id'], array(), null, array('status' => 'active'));
        foreach ($entries as $entry) {
            if (!gform_get_meta($entry['id'], 'is_read')) {
                $unread_count++;
            }
        }
    }

    // Send back the new unread count
    wp_send_json_success(array('unread_count' => $unread_count));
}

// Enqueue inline JavaScript
add_action('admin_enqueue_scripts', 'add_inline_unread_entries_script');
function add_inline_unread_entries_script() {
    // Enqueue jQuery as a dependency
    wp_enqueue_script('jquery');

    // Add inline JavaScript
    $inline_script = <<<EOT
jQuery(document).on('click', 'a[id^="mark_read_"], a[id^="mark_unread_"]', function (e) {
    e.preventDefault();

    // Extract the entry ID from the link ID
    const entryId = jQuery(this).attr('id').split('_')[2];
    const isMarkingAsRead = jQuery(this).attr('id').startsWith('mark_read');

    // Perform the AJAX request to mark the entry as read/unread
    jQuery.post(ajaxurl, {
        action: 'gf_toggle_entry_read',
        entryId: entryId,
        markAsRead: isMarkingAsRead // Pass whether we're marking it as read
    }).done(function (response) {
        if (response.success) {
            const unreadCount = response.data.unread_count;

            // Update the bubble in the menu
            const menuItem = jQuery('#toplevel_page_gf_edit_forms .plugin-count');
            if (menuItem.length) {
                menuItem.text(unreadCount);

                // Hide the bubble if there are no unread entries
                if (unreadCount === 0) {
                    menuItem.parent().hide();
                } else {
                    menuItem.parent().show();
                }
            }

            // Let Gravity Forms handle the DOM toggle for read/unread
            ToggleRead(entryId, '');
        } else {
            console.error('Error:', response.data);
        }
    }).fail(function () {
        console.error('Failed to toggle read/unread status.');
    });
});
EOT;

    wp_add_inline_script('jquery', $inline_script);
}