wp_cpt-events.php

<?php
/*
  Plugin Name:  Custom Post Type - Events
  Version: 0.0.1
  Plugin URI: http://ukyrgf.com
  Description: Defines a custom post type for an event calendar
  Author URI: https://epatr.com
  Author: Eric Patrick
 */

function register_custom_event_type() {
    $labels = array(
        'name' => _x('Events', 'event'),
        'singular_name' => _x('Event', 'event'),
        'add_new' => _x('Add New', 'event'),
        'add_new_item' => _x('Add New Event', 'event'),
        'edit_item' => _x('Edit Event', 'event'),
        'new_item' => _x('New Event', 'event'),
        'view_item' => _x('View Event', 'event'),
        'search_items' => _x('Search Events', 'event'),
        'not_found' => _x('No events found', 'event'),
        'not_found_in_trash' => _x('No events found in Trash', 'event'),
        'parent_item_colon' => _x('Parent Event:', 'event'),
        'menu_name' => _x('Events', 'event'),
    );
    $args = array(
        'labels' => $labels,
        'hierarchical' => false,
        'supports' => array('title', 'editor'),
        'public' => true,
        'show_ui' => true,
        'show_in_menu' => true,
        'show_in_nav_menus' => true,
        'publicly_queryable' => true,
        'exclude_from_search' => false,
        'has_archive' => true,
        'query_var' => true,
        'can_export' => true,
        'rewrite' => true,
        'capability_type' => 'post'
    );
    register_post_type('event', $args);
}
add_action('init', 'register_custom_event_type');




/**
 * Since we removed everything in the 'supports' area above, we will
 * add it back in using meta types
 */
 

add_action('add_meta_boxes', 'add_events_fields_box');
 
function add_events_fields_box() {
    add_meta_box('events_fields_box_id', 'Event Info', 'display_event_info_box', 'event');
}

function display_event_info_box() {
    global $post;
 
    $values = get_post_custom($post->ID);
    $eve_start_date = isset($values['_eve_sta_date']) ? esc_attr($values['_eve_sta_date'][0]) : '';
    $eve_end_date = isset($values['_eve_end_date']) ? esc_attr($values['_eve_end_date'][0]) : '';
 
    wp_nonce_field('event_frm_nonce', 'event_frm_nonce');
 
    $html = "<label>Event Start Date</label> <input id='datepickerStart' type='text' name='datepickerStart' value='$eve_start_date' /><br>
        <label>Event End Date</label> <input id='datepickerEnd' type='text' name='datepickerEnd' value='$eve_end_date' />";
    echo $html;
}
 

add_action('save_post', 'save_event_information');
 
function save_event_information($post_id) {
    // Bail if we're doing an auto save
    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE)
        return;
 
    // if our nonce isn't there, or we can't verify it, bail
    if (!isset($_POST['event_frm_nonce']) || !wp_verify_nonce($_POST['event_frm_nonce'], 'event_frm_nonce'))
        return;
 
    // if our current user can't edit this post, bail
    if (!current_user_can('edit_post'))
        return;
 
    if (isset($_POST['datepickerStart']))
        update_post_meta($post_id, '_eve_sta_date', esc_attr($_POST['datepickerStart']));
    if (isset($_POST['datepickerEnd']))
        update_post_meta($post_id, '_eve_end_date', esc_attr($_POST['datepickerEnd']));
}




/**
 * Output the year's posts to JSON
 */
 
function get_posts_for_year() {
    global $post, $wpdb;
 
    $allEvents = array();
 
    $sql = "SELECT $wpdb->posts.guid,$wpdb->posts.post_title,DATE_FORMAT(post_date, '%m-%d-%Y') as post_date  FROM $wpdb->posts WHERE Year($wpdb->posts.post_date)='" . $_POST['currentYear'] . "' and post_status='publish' and post_type='post' ";
 
    $allPosts = array();
    $yearlyPosts = $wpdb->get_results($sql, ARRAY_A);
    foreach ($yearlyPosts as $key => $singlePost) {
        $singlePost['type'] = 'post';
 
        array_push($allEvents, $singlePost);
    }
 
    $sql = "SELECT $wpdb->posts.ID,$wpdb->posts.guid,$wpdb->posts.post_title,DATE_FORMAT(post_date, '%m-%d-%Y') as post_date  FROM $wpdb->posts inner join $wpdb->postmeta on $wpdb->posts.ID=$wpdb->postmeta.post_id WHERE $wpdb->postmeta.meta_key='_eve_sta_date' and Year(STR_TO_DATE($wpdb->postmeta.meta_value, '%m/%d/%Y'))='" . $_POST['currentYear'] . "' and post_status='publish' and post_type='event'";
 
    $yearlyEvents = $wpdb->get_results($sql, ARRAY_A);
    foreach ($yearlyEvents as $key => $singleEvent) {
 
        $startDate = str_replace("/", "-", get_post_meta($singleEvent['ID'], '_eve_sta_date'));
        $endDate = str_replace("/", "-", get_post_meta($singleEvent['ID'], '_eve_end_date'));
 
        $singleEvent['startDate'] = $startDate[0];
        $singleEvent['endDate'] = $endDate[0];
        $singleEvent['type'] = 'event';
 
        array_push($allEvents, $singleEvent);
    }
    echo json_encode($allEvents);
    exit;
}


?>