AI Plugin Creation Workshop 2024 (Events Plugin)

events.php

<?php
/*
Plugin Name: BWW - Event Status Updater
Description: Automatically updates event status from Upcoming to Past based on the event end datetime. Verifies Action Scheduler functionality is available.
Version: 2024.03
Plugin URI: https://brilliantly.net
Author: Brilliant Web Works, Inc.
Author URI: https://brilliantly.net
License: GPL2 
*/

///////////////////////////////////////////////////////
// Customize the variables
///////////////////////////////////////////////////////

$post_type_slug = 'event'; // Enter the cpt slug

$end_time_meta_field = 'event_end'; //PHP datetime

$status_meta_field = 'event_status'; // Custom field to change

$new_status_value = 'Past'; // New value for the custom field

///////////////////////////////////////////////////////

add_action('admin_init', 'bww_check_action_scheduler_functionality');
function bww_check_action_scheduler_functionality() {
    if (!function_exists('as_schedule_single_action')) {
        add_action('admin_notices', 'bww_action_scheduler_missing_notice');
    }
}

function bww_action_scheduler_missing_notice() {
    echo '<div class="notice notice-error"><p>Action Scheduler is not working so Events cannot be automatically updated to Past. Add the <a href="/wp-admin/plugin-install.php?s=action%2520scheduler&tab=search&type=term">Action Scheduler</a> plugin to fix this issue.</p></div>';
}

add_action('save_post', 'bww_schedule_event_status_update');
function bww_schedule_event_status_update($post_id) {
    global $post_type_slug, $end_time_meta_field, $status_meta_field, $new_status_value;

    if (get_post_type($post_id) !== $post_type_slug) {
        return;
    }

    if (wp_is_post_revision($post_id) || (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE)) {
        return;
    }

    $current_status = get_post_meta($post_id, $status_meta_field, true);
    if ($current_status === $new_status_value) {
        return; // Exit if event status is already 'Past'
    }

    $event_end = get_post_meta($post_id, $end_time_meta_field, true);
    if (empty($event_end)) {
        return;
    }

    // Convert the string datetime to a Unix timestamp and adjust for timezone
    $timezone_string = get_option('timezone_string');
    if (empty($timezone_string)) {
        $offset = get_option('gmt_offset');
        $timezone_string = timezone_name_from_abbr('', $offset * 3600, false);
    }
    $event_timezone = new DateTimeZone($timezone_string);
    $event_end_datetime = new DateTime($event_end, $event_timezone);

    // Convert to UTC timestamp for scheduling
    $utc_timezone = new DateTimeZone('UTC');
    $event_end_datetime->setTimezone($utc_timezone);
    $adjusted_event_end = $event_end_datetime->getTimestamp();

    // Schedule the event status update
    as_unschedule_all_actions('bww_update_event_status', array($post_id), 'BWW-Events');
    as_schedule_single_action($adjusted_event_end, 'bww_update_event_status', array($post_id), 'BWW-Events');
}

add_action('bww_update_event_status', 'bww_update_event_status_callback', 10, 1);
function bww_update_event_status_callback($post_id) {
    global $post_type_slug, $status_meta_field, $new_status_value;

    // Corrected to check against the global post_type_slug
    if (get_post_type($post_id) !== $post_type_slug) {
        return;
    }

    update_post_meta($post_id, $status_meta_field, $new_status_value);
}

// Event Form - Pass Event Cost to Product Price
// Using GF ID = 9006

add_filter('gform_pre_render', 'bww_pre_render_modify_product_price');
add_filter('gform_pre_validation', 'bww_pre_render_modify_product_price');
function bww_pre_render_modify_product_price($form) {
    // Check if this is the right form using the form ID
    if($form['id'] != 9006) return $form;

    global $post;

    // Assuming you are on a single post page, otherwise you'll need to adjust how you get $post
    $event_cost = get_post_meta($post->ID, 'event_cost', true);
    if (empty($event_cost)) return $form; // If no event_cost, don't change the form

    foreach ($form['fields'] as &$field) {
        // Check if this is the product field by ID
        if ($field->id == 6) {
            // Change the product's price to the event_cost
            $field->basePrice = $event_cost;
            break; // Exit the loop after modifying the price
        }
    }

    return $form;
}


// Event Form - Increment Tickets Sold
// Using GF ID = 9006
// https://chat.openai.com/c/c8378664-1b0d-4b02-b8f8-5debe414e7b7

add_action('gform_after_submission_9006', 'bww_increment_tickets_sold', 10, 2);
function bww_increment_tickets_sold($entry, $form) {
    $event_title = rgar($entry, '5'); // Assuming Field ID 5 holds the event title

    // Find the event post by title, with 'event' as the post type slug
    $event_posts = get_posts([
        'post_type'      => 'event',
        'title'          => $event_title,
        'posts_per_page' => 1,
    ]);

    if (!empty($event_posts)) {
        $event_post = array_shift($event_posts);
        // Ensure we are updating the correct event
        if ($event_post->post_title == $event_title) {
            $tickets_sold = get_post_meta($event_post->ID, 'event_tickets_sold', true);
            $tickets_sold = $tickets_sold ? $tickets_sold + 1 : 1; // Increment or initialize
            update_post_meta($event_post->ID, 'event_tickets_sold', $tickets_sold);
        }
    }
}



// Event Form - Check Tickets Sold vs Limit
// Using GF ID = 9006
// https://chat.openai.com/c/c8378664-1b0d-4b02-b8f8-5debe414e7b7


add_filter('gform_get_form_filter_9006', 'bww_check_tickets_and_display_form', 10, 2);
function bww_check_tickets_and_display_form($form_string, $form) {
    global $post;

    // Check if we're in the correct context (an 'event' post)
    if (get_post_type($post) != 'event') {
        return $form_string; // If not, return the form as is
    }

    $event_id = $post->ID;
    $tickets_sold = get_post_meta($event_id, 'event_tickets_sold', true);
    $ticket_limit = get_post_meta($event_id, 'event_limit', true);

    // Compare tickets sold against the ticket limit
    if ($tickets_sold < $ticket_limit) {
        // If under the limit, allow the form to display normally
        return $form_string;
    } else {
        // If limit is reached or exceeded, replace the form with a message
        return '<p>There are no more tickets for this event.</p>';
    }
}