<?php
/**
* Core functions of My Calendar infrastructure - installation, upgrading, action links, etc.
*
* @category Core
* @package My Calendar
* @author Joe Dolson
* @license GPLv2 or later
* @link https://www.joedolson.com/my-calendar/
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Add feeds to WordPress feed handler.
*/
function mc_add_feed() {
add_feed( 'my-calendar-ics', 'my_calendar_ical' );
add_feed( 'my-calendar-google', 'mc_ics_subscribe_google' );
add_feed( 'my-calendar-outlook', 'mc_ics_subscribe_outlook' ); // Deprecated. Still in place for back compat.
}
/**
* If user is logged in, do not cache feeds.
*
* @param object $feed Feed object.
*/
function mc_cache_feeds( &$feed ) {
if ( is_user_logged_in() ) {
$feed->enable_cache( false );
}
}
add_action( 'wp_feed_options', 'mc_cache_feeds' );
/**
* Add plug-in info page links to Plugins page
*
* @param array $links default set of plug-in links.
* @param string $file Current file (not used by custom function.).
*
* @return array updated set of links
*/
function mc_plugin_action( $links, $file ) {
if ( plugin_basename( __DIR__ . '/my-calendar.php' ) === $file ) {
$links[] = '<a href="admin.php?page=my-calendar-config">' . __( 'Settings', 'my-calendar' ) . '</a>';
$links[] = '<a href="admin.php?page=my-calendar-help">' . __( 'Help', 'my-calendar' ) . '</a>';
if ( ! function_exists( 'mcs_submissions' ) ) {
$links[] = '<a href="https://www.joedolson.com/my-calendar-pro/">' . __( 'Go Pro', 'my-calendar' ) . '</a>';
}
}
return $links;
}
/**
* Get custom styles dir locations, with trailing slash,
* or get custom styles url locations, with trailing slash.
*
* @param string $type path or url, default = path.
*
* @return array with locations or empty.
*/
function mc_custom_dirs( $type = 'path' ) {
$dirs = array();
$dirs[] = ( 'path' === $type ) ? plugin_dir_path( __DIR__ ) . 'my-calendar-custom/styles/' : plugin_dir_url( __DIR__ ) . 'my-calendar-custom/styles/';
$dirs[] = ( 'path' === $type ) ? plugin_dir_path( __DIR__ ) . 'my-calendar-custom/' : plugin_dir_url( __DIR__ ) . 'my-calendar-custom/';
$dirs[] = ( 'path' === $type ) ? get_stylesheet_directory() . '/css/' : get_stylesheet_directory_uri() . '/css/';
$dirs[] = ( 'path' === $type ) ? get_stylesheet_directory() . '/' : get_stylesheet_directory_uri() . '/';
/**
* Filter My Calendar's array of directories to check for custom files. Use to define where your custom templates and styles will be found.
*
* @hook mc_custom_dirs
*
* @param {array} $dirs Array of directory paths to check.
* @param {string} $type Checking paths or URLs.
*
* @return {array}
*/
$directories = apply_filters( 'mc_custom_dirs', $dirs, $type );
return ( is_array( $directories ) && ! empty( $directories ) ) ? $directories : $dirs;
}
/**
* Check whether requested file exists in calendar custom directory.
*
* @param string $file file name.
*
* @return boolean
*/
function mc_file_exists( $file ) {
$file = sanitize_file_name( $file );
/**
* Filter test for whether a file exists. Return true to confirm file exists.
*
* @hook mc_file_exists
*
* @param {bool} $path File path.
* @param {string} $file File name.
*
* @return {bool}
*/
$return = apply_filters( 'mc_file_exists', false, $file );
if ( $return ) {
return true;
}
foreach ( mc_custom_dirs() as $dir ) {
if ( file_exists( $dir . $file ) ) {
return true;
}
}
return false;
}
/**
* Fetch a file by path or URL. Checks multiple directories to see which to get.
*
* @param string $file name of file to get.
* @param string $type either path or url.
*
* @return string full path or url.
*/
function mc_get_file( $file, $type = 'path' ) {
$file = sanitize_file_name( $file ); // This will remove slashes as well.
$dir = plugin_dir_path( __FILE__ );
$url = plugin_dir_url( __FILE__ );
$path = ( 'path' === $type ) ? $dir . $file : $url . $file;
foreach ( mc_custom_dirs() as $key => $dir ) {
if ( file_exists( $dir . $file ) ) {
if ( 'path' === $type ) {
$path = $dir . $file;
} else {
$urls = mc_custom_dirs( $type );
$path = $urls[ $key ] . $file;
}
break;
}
}
/**
* Filter file paths for My Calendar files.
*
* @hook mc_get_file
*
* @param {string} $path File path.
* @param {string} $file File name.
*
* @return {string}
*/
$path = apply_filters( 'mc_get_file', $path, $file );
return $path;
}
add_filter( 'mc_registered_stylesheet', 'mc_preview_stylesheet', 10, 1 );
/**
* Allow users with 'mc_edit_styles' permissions to preview stylesheets.
*
* @param string $file CSS filename.
*
* @return string
*/
function mc_preview_stylesheet( $file ) {
if ( isset( $_GET['mcpreview'] ) && current_user_can( 'mc_edit_styles' ) ) {
$file = mc_get_style_path( sanitize_text_field( $_GET['mcpreview'] ), 'url' );
}
return $file;
}
/**
* Ensure that expected style variables are always present.
*
* @param array $styles Array of style variables saved in settings.
*
* @return array
*/
function mc_style_variables( $styles = array() ) {
$core_styles = array(
'--close-button' => '#b32d2e',
'--search-highlight-bg ' => '#f5e6ab',
'--navbar-background' => 'transparent',
'--nav-button-bg' => '#fff',
'--nav-button-color' => '#313233',
'--nav-button-border' => '#313233',
'--nav-input-border' => '#313233',
'--nav-input-background' => '#fff',
'--nav-input-color' => '#313233',
'--grid-cell-border' => '#0000001f',
'--grid-header-border' => '#313233',
'--grid-header-color' => '#313233',
'--grid-header-bg' => 'transparent',
'--grid-cell-background' => 'transparent',
'--current-day-border' => '#313233',
'--current-day-color' => '#313233',
'--current-day-bg' => 'transparent',
'--date-has-events-bg' => '#313233',
'--date-has-events-color' => '#f6f7f7',
'--primary-dark' => '#313233',
'--primary-light' => '#f6f7f7',
'--secondary-light' => '#fff',
'--secondary-dark' => '#000',
'--highlight-dark' => '#646970',
'--highlight-light' => '#f0f0f1',
'text' => array(
'--calendar-heading' => 'clamp( 1.125rem, 24px, 2.5rem )',
'--event-title' => 'clamp( 1.25rem, 24px, 2.5rem )',
'--grid-date' => '16px',
'--grid-date-heading' => 'clamp( .75rem, 16px, 1.5rem )',
'--modal-title' => '1.5rem',
'--navigation-controls' => 'clamp( .75rem, 16px, 1.5rem )',
'--card-heading' => '1.125rem',
'--list-date' => '1.25rem',
'--author-card' => 'clamp( .75rem, 14px, 1.5rem)',
'--single-event-title' => 'clamp( 1.25rem, 24px, 2.5rem )',
'--mini-time-text' => 'clamp( .75rem, 14px 1.25rem )',
'--list-event-date' => '1.25rem',
'--list-event-title' => '1.2rem',
),
);
foreach ( $core_styles as $key => $value ) {
if ( 'text' === $key ) {
foreach ( $value as $var => $text ) {
if ( ! isset( $styles['text'][ $var ] ) ) {
$styles['text'][ $var ] = $text;
}
}
}
if ( ! isset( $styles[ $key ] ) ) {
$styles[ $key ] = $value;
}
}
return $styles;
}
add_action( 'wp_enqueue_scripts', 'mc_register_styles', 20 );
/**
* Publically enqueued styles & scripts
*/
function mc_register_styles() {
global $wp_query;
$version = mc_get_version();
if ( SCRIPT_DEBUG ) {
$version .= wp_rand( 10000, 99999 );
}
$this_post = $wp_query->get_queried_object();
/**
* Filter url to get My Calendar stylesheet.
*
* @hook mc_registered_stylesheet
*
* @param {string} $stylesheet URL to locate My Calendar's stylesheet.
*
* @return {string}
*/
$stylesheet = apply_filters( 'mc_registered_stylesheet', mc_get_style_path( mc_get_option( 'css_file' ), 'url' ) );
wp_register_style( 'my-calendar-reset', plugins_url( 'css/reset.css', __FILE__ ), array( 'dashicons' ), $version );
wp_register_style( 'my-calendar-style', $stylesheet, array( 'my-calendar-reset' ), $version . '-' . sanitize_title( mc_get_option( 'css_file' ) ) );
wp_register_style( 'my-calendar-locations', plugins_url( 'css/locations.css', __FILE__ ), array( 'dashicons' ), $version );
if ( is_singular( 'mc-locations' ) ) {
wp_enqueue_style( 'my-calendar-locations' );
}
$admin_stylesheet = plugins_url( 'css/mc-admin.css', __FILE__ );
wp_register_style( 'my-calendar-frontend-admin-style', $admin_stylesheet, array(), $version );
if ( current_user_can( 'mc_manage_events' ) ) {
wp_enqueue_style( 'my-calendar-frontend-admin-style' );
}
/**
* Filter whether My Calendar styles should be displayed on archive pages. Default 'true'.
*
* @hook mc_display_css_on_archives
*
* @param {bool} $default 'true' to display.
* @param {WP_Query} $wp_query WP Query.
*
* @return {bool}
*/
$default = apply_filters( 'mc_display_css_on_archives', true, $wp_query );
$id = ( is_object( $this_post ) && isset( $this_post->ID ) ) ? $this_post->ID : false;
$js_array = ( '' !== trim( mc_get_option( 'show_js' ) ) ) ? explode( ',', mc_get_option( 'show_js' ) ) : array();
$css_array = ( '' !== trim( mc_get_option( 'show_css' ) ) ) ? explode( ',', mc_get_option( 'show_css' ) ) : array();
$use_default = ( $default && ! $id ) ? true : false;
$js_usage = ( ( empty( $js_array ) ) || ( $id && in_array( (string) $id, $js_array, true ) ) ) ? true : false;
$css_usage = ( ( empty( $css_array ) ) || ( $id && in_array( (string) $id, $css_array, true ) ) ) ? true : false;
// check whether any scripts are actually enabled.
if ( mc_get_option( 'calendar_javascript' ) !== '1' || mc_get_option( 'list_javascript' ) !== '1' || mc_get_option( 'mini_javascript' ) !== '1' || mc_get_option( 'ajax_javascript' ) !== '1' ) {
if ( $use_default || $js_usage || is_singular( 'mc-events' ) || is_singular( 'mc-locations' ) ) {
wp_enqueue_script( 'jquery' );
if ( 'true' === mc_get_option( 'mc_gmap' ) || mc_output_is_visible( 'gmap', 'single' ) || is_singular( 'mc-locations' ) ) {
$api_key = mc_get_option( 'gmap_api_key' );
if ( $api_key ) {
wp_enqueue_script( 'gmaps', "https://maps.googleapis.com/maps/api/js?v=3&key=$api_key", array() );
wp_enqueue_script( 'mc-maps', plugins_url( 'js/gmaps.js', __FILE__ ), array( 'gmaps' ), $version, true );
wp_localize_script(
'mc-maps',
'gmaps',
array(
'toggle' => '<span class="dashicons dashicons-arrow-right" aria-hidden="true"></span><span class="screen-reader-text">' . __( 'Location Details', 'my-calendar' ) . '</span>',
)
);
}
}
}
}
// True means styles are disabled.
if ( 'true' !== mc_get_option( 'use_styles' ) ) {
if ( $use_default || $css_usage ) {
mc_enqueue_calendar_styles( $stylesheet );
}
}
if ( mc_is_tablet() && mc_file_exists( 'mc-tablet.css' ) ) {
$tablet = mc_get_file( 'mc-tablet.css' );
wp_register_style( 'my-calendar-tablet-style', $tablet );
wp_enqueue_style( 'my-calendar-tablet-style' );
}
if ( mc_is_mobile() && mc_file_exists( 'mc-mobile.css' ) ) {
$mobile = mc_get_file( 'mc-mobile.css' );
wp_register_style( 'my-calendar-mobile-style', $mobile );
wp_enqueue_style( 'my-calendar-mobile-style' );
}
}
/**
* Enqueue calendar JS.
*/
function mc_enqueue_calendar_js() {
$version = mc_get_version();
if ( SCRIPT_DEBUG ) {
$version = $version . '-' . wp_rand( 10000, 100000 );
}
$grid = '';
$mini = '';
$list = '';
$ajax = '';
$enqueue = false;
if ( '1' !== mc_get_option( 'calendar_javascript' ) && 'true' !== mc_get_option( 'open_uri' ) ) {
/**
* Filter to replace scripts used on front-end for grid behavior. Default empty string.
*
* @hook mc_grid_js
*
* @param {string} $url URL to JS to operate My Calendar grid view.
*
* @return {string}
*/
$url = apply_filters( 'mc_grid_js', '' );
$enqueue = true;
if ( $url ) {
wp_enqueue_script( 'mc.grid', $url, array( 'jquery' ), $version );
} else {
$grid = ( 'modal' === mc_get_option( 'calendar_javascript' ) ) ? 'modal' : 'true';
}
}
if ( '1' !== mc_get_option( 'list_javascript' ) ) {
/**
* Filter to replace scripts used on front-end for list behavior. Default empty string.
*
* @hook mc_list_js
*
* @param {string} $url URL to JS to operate My Calendar list view.
*
* @return {string}
*/
$url = apply_filters( 'mc_list_js', '' );
$enqueue = true;
if ( $url ) {
wp_enqueue_script( 'mc.list', $url, array( 'jquery' ), $version );
} else {
$list = ( 'modal' === mc_get_option( 'list_javascript' ) ) ? 'modal' : 'true';
}
}
if ( '1' !== mc_get_option( 'mini_javascript' ) && 'true' !== mc_get_option( 'open_day_uri' ) ) {
/**
* Filter to replace scripts used on front-end for mini calendar behavior. Default empty string.
*
* @hook mc_mini_js
*
* @param {string} $url URL to JS to operate My Calendar mini calendar.
*
* @return {string}
*/
$url = apply_filters( 'mc_mini_js', '' );
$enqueue = true;
if ( $url ) {
wp_enqueue_script( 'mc.mini', $url, array( 'jquery' ), $version );
} else {
$mini = ( 'modal' === mc_get_option( 'mini_javascript' ) ) ? 'modal' : 'true';
}
}
if ( '1' !== mc_get_option( 'ajax_javascript' ) ) {
/**
* Filter to replace scripts used on front-end for AJAX behavior. Default empty string.
*
* @hook mc_ajax_js
*
* @param {string} $url URL to JS to operate My Calendar AJAX.
*
* @return {string}
*/
$url = apply_filters( 'mc_ajax_js', '' );
$enqueue = true;
if ( $url ) {
wp_enqueue_script( 'mc.ajax', $url, array( 'jquery' ), $version );
} else {
$ajax = 'true';
}
}
if ( $enqueue ) {
$url = ( true === SCRIPT_DEBUG ) ? plugins_url( 'js/mcjs.js', __FILE__ ) : plugins_url( 'js/mcjs.min.js', __FILE__ );
wp_enqueue_script( 'mc.mcjs', $url, array( 'jquery', 'wp-a11y' ), $version, true );
$args = array(
'grid' => $grid,
'list' => $list,
'mini' => $mini,
'ajax' => $ajax,
'links' => mc_get_option( 'list_link_titles' ),
'newWindow' => __( 'New tab', 'my-calendar' ),
'subscribe' => __( 'Subscribe', 'my-calendar' ),
'export' => __( 'Export', 'my-calendar' ),
);
wp_localize_script( 'mc.mcjs', 'my_calendar', $args );
}
$gridtype = mc_get_option( 'calendar_javascript' );
$listtype = mc_get_option( 'list_javascript' );
$minitype = mc_get_option( 'mini_javascript' );
if ( 'modal' === $gridtype || 'modal' === $listtype || 'modal' === $minitype ) {
$script = ( SCRIPT_DEBUG ) ? 'modal/accessible-modal-window-aria.js' : 'modal/accessible-modal-window-aria.min.js';
wp_enqueue_script( 'mc-modal', plugins_url( 'js/' . $script, __FILE__ ), array(), $version, true );
wp_localize_script(
'mc-modal',
'mcm',
array(
'context' => (string) is_user_logged_in(),
)
);
}
}
/**
* Enqueue calendar stylesheet and inline styles.
*
* @param string $stylesheet Filename of the calendar stylesheet in use.
*/
function mc_enqueue_calendar_styles( $stylesheet ) {
if ( '' !== $stylesheet ) {
wp_enqueue_style( 'my-calendar-style' );
$inline = 'my-calendar-style';
} else {
wp_enqueue_style( 'my-calendar-reset' );
$inline = 'my-calendar-reset';
}
$css = mc_generate_css();
wp_add_inline_style( $inline, $css );
}
/**
* Generate calendar CSS.
*/
function mc_generate_css() {
$category_vars = '';
// generate category colors.
$category_css = mc_generate_category_styles();
$category_styles = ( ! empty( $category_css ) ) ? $category_css['styles'] : '';
$category_vars = ( ! empty( $category_css ) ) ? $category_css['vars'] : '';
$styles = (array) mc_get_option( 'style_vars' );
$styles = mc_style_variables( $styles );
$style_vars = '';
foreach ( $styles as $key => $var ) {
if ( 'text' === $key ) {
foreach ( $var as $variable => $value ) {
$style_vars .= sanitize_key( $variable ) . ': ' . esc_html( $value ) . '; ';
}
} else {
if ( $var ) {
$style_vars .= sanitize_key( $key ) . ': ' . esc_html( $var ) . '; ';
}
}
}
if ( '' !== $style_vars ) {
$style_vars = '.mc-main, .mc-event, .my-calendar-modal, .my-calendar-modal-overlay {' . $style_vars . $category_vars . '}';
}
$css = "
/* Styles by My Calendar - Joseph C Dolson https://www.joedolson.com/ */
$category_styles
$style_vars";
return $css;
}
/**
* Add styles to the print view.
*/
function mc_enqueue_calendar_print_styles() {
$css = mc_generate_css();
$css = wp_filter_nohtml_kses( $css );
echo '<style>' . $css . '</style>';
}
add_action( 'mc_print_view_head', 'mc_enqueue_calendar_print_styles' );
/**
* Publically written head styles & scripts
*/
function mc_head() {
// If Yoast SEO is active, we don't need to output this schema.
if ( defined( 'WPSEO_VERSION' ) ) {
return;
}
if ( mc_is_single_event() ) {
$mc_id = ( isset( $_GET['mc_id'] ) ) ? absint( $_GET['mc_id'] ) : false;
if ( $mc_id ) {
$event = mc_get_event( $mc_id );
$schema = mc_event_schema( $event );
echo PHP_EOL . '<script type="application/ld+json">' . PHP_EOL . '[' . json_encode( map_deep( $schema, 'esc_html' ), JSON_UNESCAPED_SLASHES ) . ']' . PHP_EOL . '</script>' . PHP_EOL;
}
}
if ( is_singular( 'mc-locations' ) ) {
$loc_id = mc_get_location_id( get_the_ID() );
$location = mc_get_location( $loc_id );
$schema = mc_location_schema( $location );
echo PHP_EOL . '<script type="application/ld+json">' . PHP_EOL . '[' . json_encode( map_deep( $schema, 'esc_html' ), JSON_UNESCAPED_SLASHES ) . ']' . PHP_EOL . '</script>' . PHP_EOL;
}
}
/**
* Filters the Yoast SEO Schema output, adding in graph blocks for Events and Location.
*
* @param array $graph The schema graph.
* @param Meta_Tags_Context $context Context value object.
*
* @return array
*/
function mc_add_yoast_schema( $graph, $context ) {
if ( mc_is_single_event() ) {
$mc_id = ( isset( $_GET['mc_id'] ) ) ? absint( $_GET['mc_id'] ) : false;
if ( $mc_id ) {
$event = mc_get_event( $mc_id );
$schema = mc_event_schema( $event );
unset( $schema['@context'] );
$schema['mainEntityOfPage'] = array( '@id' => $context->canonical );
if ( isset( $schema['location'] ) ) {
unset( $schema['location']['@context'] );
}
$graph[] = $schema;
}
}
if ( is_singular( 'mc-locations' ) ) {
$loc_id = mc_get_location_id( get_the_ID() );
$location = mc_get_location( $loc_id );
$schema = mc_location_schema( $location );
unset( $schema['@context'] );
$schema['mainEntityOfPage'] = array( '@id' => $context->canonical );
$graph[] = $schema;
}
return $graph;
}
/**
* Generate category styles for use by My Calendar core.
*
* @return array Variable styles & category styles.
*/
function mc_generate_category_styles() {
$apply = mc_get_option( 'apply_color' );
if ( 'default' === $apply ) {
return array();
}
$styles = get_transient( 'mc_generated_category_styles' );
if ( ! $styles ) {
$mcdb = mc_is_remote_db();
$category_styles = '';
$category_vars = '';
$inv = '';
$type = '';
$alt = '';
$categories = $mcdb->get_results( 'SELECT * FROM ' . my_calendar_categories_table( get_current_blog_id() ) . ' ORDER BY category_id ASC' );
foreach ( $categories as $category ) {
$class = mc_category_class( $category, 'mc_' );
$hex = ( strpos( $category->category_color, '#' ) !== 0 ) ? '#' : '';
$color = $hex . $category->category_color;
if ( '#' !== $color ) {
$hcolor = mc_shift_color( $category->category_color );
if ( 'font' === $apply ) {
$type = 'color';
$alt = 'background';
} elseif ( 'background' === $apply ) {
$type = 'background';
$alt = 'color';
}
$inverse = mc_inverse_color( $color );
$inv = "$alt: $inverse !important;";
if ( 'font' === $apply || 'background' === $apply ) {
// always an anchor as of 1.11.0, apply also to title.
$category_styles .= "\n.mc-main .$class .event-title, .mc-main .$class .event-title a { $type: $color !important; $inv }";
$category_styles .= "\n.mc-main .$class .event-title button { $type: $color !important; $inv }";
$category_styles .= "\n.mc-main .$class .event-title a:hover, .mc-main .$class .event-title a:focus { $type: $hcolor !important;}";
$category_styles .= "\n.mc-main .$class .event-title button:hover, .mc-main .$class .event-title button:focus { $type: $hcolor !important;}";
}
// Variables aren't dependent on options.
$category_vars .= '--category-' . $class . ': ' . $color . '; ';
}
}
$styles = array(
'styles' => $category_styles,
'vars' => $category_vars,
);
set_transient( 'mc_generated_category_styles', $styles, WEEK_IN_SECONDS );
}
return $styles;
}
/**
* Deal with events posted by a user when that user is deleted
*
* @param int $id user ID of deleted user.
* @param int $reassign User ID chosen for reassignment of content.
*/
function mc_deal_with_deleted_user( $id, $reassign ) {
global $wpdb;
$new = ( ! $reassign ) ? $wpdb->get_var( 'SELECT MIN(ID) FROM ' . $wpdb->users, 0, 0 ) : $reassign;
// This may not work quite right in multi-site. Need to explore further when I have time.
$wpdb->get_results( $wpdb->prepare( 'UPDATE ' . my_calendar_table() . ' SET event_author=%d WHERE event_author=%d', $reassign, $id ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$wpdb->get_results( $wpdb->prepare( 'UPDATE ' . my_calendar_table() . ' SET event_host=%d WHERE event_host=%d', $reassign, $id ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
}
/**
* Write custom JS in admin head.
*/
function mc_write_js() {
$is_calendar = ( isset( $_GET['page'] ) && 'my-calendar' === $_GET['page'] ) ? true : false;
$is_edit = ( isset( $_GET['mode'] ) && 'edit' === $_GET['mode'] ) ? true : false;
if ( function_exists( 'wpt_post_to_twitter' ) && $is_calendar && ! $is_edit ) {
?>
<script>
//<![CDATA[
jQuery(document).ready(function ($) {
$( '#mc-accordion' ).accordion( { collapsible: true, active: false, heightStyle: 'content' } );
let mc_allowed = $( '#mc_twitter' ).attr( 'data-allowed' );
$('#mc_twitter').charCount({
allowed: mc_allowed,
counterText: '<?php esc_html_e( 'Characters left: ', 'my-calendar' ); ?>'
});
});
//]]>
</script>
<?php
}
}
add_action( 'in_plugin_update_message-my-calendar/my-calendar.php', 'mc_plugin_update_message' );
/**
* Display notices from WordPress.org about updated versions.
*/
function mc_plugin_update_message() {
define( 'MC_PLUGIN_README_URL', 'http://svn.wp-plugins.org/my-calendar/trunk/readme.txt' );
$response = wp_remote_get(
MC_PLUGIN_README_URL,
array(
'user-agent' => 'WordPress/My Calendar' . mc_get_version() . '; ' . get_bloginfo( 'url' ),
)
);
if ( ! is_wp_error( $response ) || is_array( $response ) ) {
$data = $response['body'];
$bits = explode( '== Upgrade Notice ==', $data );
echo '</div><div id="mc-upgrade" class="notice inline notice-warning"><ul><li><strong style="color:#c22;">Upgrade Notes:</strong> ' . str_replace( '* ', '', nl2br( trim( $bits[1] ) ) ) . '</li></ul>';
}
}
/**
* Scripts for My Calendar footer; ideally only on pages where My Calendar exists
*/
function mc_footer_js() {
global $wp_query;
$version = mc_get_version();
if ( SCRIPT_DEBUG ) {
$version = $version . '-' . wp_rand( 10000, 100000 );
}
/**
* Disable scripting on mobile devices.
*
* @hook mc_disable_mobile_js
*
* @param {bool} $disable Return true to disable JS on detected mobile devices.
*
* @return {bool}
*/
if ( mc_is_mobile() && apply_filters( 'mc_disable_mobile_js', false ) ) {
return;
} else {
$pages = array();
$show_js = mc_get_option( 'show_js' );
if ( '' !== $show_js ) {
$pages = explode( ',', $show_js );
}
if ( is_object( $wp_query ) && isset( $wp_query->post ) ) {
$id = (string) $wp_query->post->ID;
} else {
$id = false;
}
if ( ! $id || ( is_array( $pages ) && in_array( $id, $pages, true ) ) || '' === $show_js ) {
mc_enqueue_calendar_js();
}
}
}
/**
* Register scripts and styles.
*/
function mc_register_scripts() {
$version = mc_get_version();
if ( SCRIPT_DEBUG ) {
$version .= wp_rand( 10000, 100000 );
}
wp_register_style( 'my-calendar-reset', plugins_url( 'css/reset.css', __FILE__ ), array( 'dashicons' ), $version );
wp_register_style( 'my-calendar-admin-style', plugins_url( 'css/admin.css', __FILE__ ), array( 'my-calendar-reset' ), $version );
$mcjs = ( true === SCRIPT_DEBUG ) ? plugins_url( 'js/mcjs.js', __FILE__ ) : plugins_url( 'js/mcjs.min.js', __FILE__ );
wp_register_script( 'mc.mcjs', $mcjs, array( 'jquery', 'wp-a11y' ), $version, true );
$modal = ( SCRIPT_DEBUG ) ? 'modal/accessible-modal-window-aria.js' : 'modal/accessible-modal-window-aria.min.js';
wp_register_script( 'mc-modal', plugins_url( 'js/' . $modal, __FILE__ ), array(), $version, true );
wp_register_style( 'my-calendar-reset', plugins_url( 'css/reset.css', __FILE__ ), array( 'dashicons' ), $version );
$stylesheet = apply_filters( 'mc_registered_stylesheet', mc_get_style_path( mc_get_option( 'css_file' ), 'url' ) );
wp_register_style( 'my-calendar-style', $stylesheet, array( 'my-calendar-reset' ), $version . '-' . sanitize_title( mc_get_option( 'css_file' ) ) );
$admin_stylesheet = plugins_url( 'css/mc-admin.css', __FILE__ );
wp_register_style( 'my-calendar-frontend-admin-style', $admin_stylesheet, array(), $version );
wp_register_style( 'mc-styles', plugins_url( 'css/mc-styles.css', __FILE__ ), array(), $version );
wp_register_script( 'duet.js', plugins_url( 'js/duet/duet.js', __FILE__ ), array(), $version, true );
wp_register_style( 'duet.css', plugins_url( 'js/duet/themes/default.css', __FILE__ ), array(), $version );
// Enqueue datepicker options.
$mcdp = ( SCRIPT_DEBUG ) ? plugins_url( 'js/mc-datepicker.js', __FILE__ ) : plugins_url( 'js/mc-datepicker.min.js', __FILE__ );
wp_register_script( 'mc.duet', $mcdp, array( 'duet.js' ), $version, true );
$charcount = ( SCRIPT_DEBUG ) ? plugins_url( 'js/jquery.charcount.js', __FILE__ ) : plugins_url( 'js/jquery.charcount.min.js', __FILE__ );
wp_register_script( 'mc.charcount', $charcount, array( 'jquery' ), $version );
$adminjs = ( SCRIPT_DEBUG ) ? plugins_url( 'js/jquery.admin.js', __FILE__ ) : plugins_url( 'js/jquery.admin.min.js', __FILE__ );
wp_register_script( 'mc.admin', $adminjs, array( 'jquery', 'jquery-ui-sortable', 'wp-a11y' ), $version );
wp_register_script( 'mc.admin-footer', plugins_url( 'js/admin.js', __FILE__ ), array( 'wp-a11y', 'clipboard' ), $version, true );
if ( version_compare( $version, '2.1', '<' ) ) {
wp_register_style( 'mcs-back-compat', plugins_url( 'css/backcompat.css', __FILE__ ), array(), $version );
}
wp_register_script( 'mc-stickyscroll', plugins_url( 'js/jquery.stick.js', __FILE__ ), array( 'jquery' ), $version );
wp_register_script( 'mc-color-picker', plugins_url( 'js/color-picker.js', __FILE__ ), array( 'wp-color-picker', 'mc-stickyscroll' ), $version, true );
$api_key = mc_get_option( 'gmap_api_key' );
if ( $api_key ) {
$gmaps = ( SCRIPT_DEBUG ) ? plugins_url( 'js/gmaps.js', __FILE__ ) : plugins_url( 'js/gmaps.min.js', __FILE__ );
wp_register_script( 'gmaps', "https://maps.googleapis.com/maps/api/js?v=3&key=$api_key", array() );
wp_register_script( 'mc-maps', $gmaps, array( 'gmaps' ), $version, true );
}
$ajax = ( SCRIPT_DEBUG ) ? plugins_url( 'js/ajax.js', __FILE__ ) : plugins_url( 'js/ajax.min.js', __FILE__ );
wp_register_script( 'mc.ajax', $ajax, array( 'jquery' ), $version );
wp_register_script( 'accessible-autocomplete', plugins_url( '/js/accessible-autocomplete.min.js', __FILE__ ), array(), $version );
wp_register_script( 'mc-autocomplete', plugins_url( '/js/autocomplete.js', __FILE__ ), array( 'jquery', 'accessible-autocomplete' ), $version, true );
}
add_action( 'wp_enqueue_scripts', 'mc_register_scripts' );
add_action( 'admin_enqueue_scripts', 'mc_register_scripts' );
/**
* Add stylesheets to My Calendar admin screens
*/
function mc_admin_styles() {
global $current_screen;
$version = mc_get_version();
if ( SCRIPT_DEBUG ) {
$version .= wp_rand( 10000, 100000 );
}
$id = $current_screen->id;
$is_mc_page = isset( $_GET['post'] ) && (int) mc_get_option( 'uri_id' ) === (int) $_GET['post'];
$enqueue_mcjs = false;
$grid = 'false';
$list = 'false';
$mini = 'false';
$ajax = 'false';
if ( false !== strpos( $id, 'my-calendar' ) || $is_mc_page ) {
// Toggle CSS & Scripts based on current mode.
$mode = mc_get_option( 'default_admin_view' );
if ( isset( $_GET['view'] ) && 'grid' === $_GET['view'] && 'grid' !== $mode ) {
mc_update_option( 'default_admin_view', 'grid' );
$mode = 'grid';
}
if ( isset( $_GET['view'] ) && 'list' === $_GET['view'] && 'list' !== $mode ) {
mc_update_option( 'default_admin_view', 'list' );
$mode = 'list';
}
$grid = ( 'grid' === $mode );
if ( $grid ) {
wp_enqueue_style( 'my-calendar-admin-style' );
if ( '1' !== mc_get_option( 'calendar_javascript' ) ) {
$enqueue_mcjs = true;
$grid = 'true';
}
if ( '1' !== mc_get_option( 'list_javascript' ) ) {
$enqueue_mcjs = true;
$list = 'true';
}
if ( '1' !== mc_get_option( 'mini_javascript' ) && 'true' !== mc_get_option( 'open_day_uri' ) ) {
$enqueue_mcjs = true;
$mini = 'true';
}
if ( '1' !== mc_get_option( 'ajax_javascript' ) ) {
$enqueue_mcjs = true;
$ajax = 'true';
}
if ( $enqueue_mcjs ) {
wp_enqueue_script( 'mc.mcjs' );
$args = array(
'grid' => $grid,
'list' => $list,
'mini' => $mini,
'ajax' => $ajax,
'newWindow' => __( 'New tab', 'my-calendar' ),
);
wp_localize_script( 'mc.mcjs', 'my_calendar', $args );
}
$gridtype = mc_get_option( 'calendar_javascript' );
if ( 'modal' === $gridtype ) {
wp_enqueue_script( 'mc-modal' );
wp_localize_script(
'mc-modal',
'mcm',
array(
'context' => (string) is_user_logged_in(),
)
);
}
}
if ( 'my-calendar_page_my-calendar-design' === $id ) {
/**
* Filter url to get My Calendar stylesheet.
*
* @hook mc_registered_stylesheet
*
* @param {string} $stylesheet URL to locate My Calendar's stylesheet.
*
* @return {string}
*/
$stylesheet = apply_filters( 'mc_registered_stylesheet', mc_get_style_path( mc_get_option( 'css_file' ), 'url' ) );
mc_enqueue_calendar_styles( $stylesheet );
wp_enqueue_style( 'my-calendar-frontend-admin-style' );
mc_enqueue_calendar_js();
}
wp_enqueue_style( 'mc-styles' );
}
}
/**
* Toggle admin URL values based on default admin view setting.
*
* @param string $url Admin URL location.
*
* @return string
*/
function mc_admin_url( $url ) {
$mode = mc_get_option( 'default_admin_view' );
if ( 'grid' === $mode ) {
$url = add_query_arg( 'view', 'grid', $url );
} else {
$url = add_query_arg( 'view', 'list', $url );
}
return admin_url( $url );
}
/**
* Add custom CSS variables in admin head.
*/
function mc_admin_head() {
// generate category colors.
$category_css = mc_generate_category_styles();
$category_styles = ( ! empty( $category_css ) ) ? $category_css['styles'] : '';
$category_vars = ( ! empty( $category_css ) ) ? $category_css['vars'] : '';
$styles = (array) mc_get_option( 'style_vars' );
$style_vars = '';
foreach ( $styles as $key => $var ) {
if ( 'text' === $key ) {
foreach ( $var as $variable => $text ) {
if ( $variable ) {
$style_vars .= sanitize_key( $variable ) . ': ' . esc_html( $text ) . '; ';
}
}
} else {
if ( $var ) {
$style_vars .= sanitize_key( $key ) . ': ' . esc_html( $var ) . '; ';
}
}
}
if ( '' !== $style_vars ) {
$style_vars = '.mc-main {' . $style_vars . $category_vars . '}';
}
$all_styles = "
<style>
<!--
/* Styles by My Calendar - Joseph C Dolson https://www.joedolson.com/ */
$category_styles
$style_vars
-->
</style>";
echo $all_styles;
}
add_action( 'admin_head', 'mc_admin_head' );
/**
* Get current admin URL.
*
* @return string
*/
function mc_get_current_admin_url() {
$uri = isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
$uri = preg_replace( '|^.*/wp-admin/|i', '', $uri );
if ( ! $uri ) {
return '';
}
return remove_query_arg( array( '_wpnonce' ), admin_url( $uri ) );
}
/**
* Attempts to correctly identify the current URL.
*/
function mc_get_current_url() {
if ( is_admin() ) {
return mc_get_current_admin_url();
}
global $wp, $wp_rewrite;
$args = array();
if ( isset( $_GET['page_id'] ) ) {
$args['page_id'] = absint( $_GET['page_id'] );
}
$current_url = home_url( add_query_arg( $args, $wp->request ) );
if ( $wp_rewrite->using_index_permalinks() && false === strpos( $current_url, 'index.php' ) ) {
$current_url = str_replace( home_url(), home_url( '/' ) . 'index.php', $current_url );
}
if ( $wp_rewrite->using_permalinks() ) {
$current_url = trailingslashit( $current_url );
}
$args = map_deep( $_GET, 'sanitize_text_field' );
$current_url = add_query_arg( $args, $current_url );
/**
* Filter the URL returned for the current URL.
*
* @hook mc_get_current_url
*
* @param {string} $current_url Current URL according to wp_rewrite.
*
* @return {string}
*/
$current_url = apply_filters( 'mc_get_current_url', $current_url );
return $current_url;
}
/**
* Check whether the current user should have permissions and doesn't
*/
function mc_if_needs_permissions() {
$role = get_role( 'administrator' );
if ( is_object( $role ) ) {
$caps = $role->capabilities;
if ( isset( $caps['mc_add_events'] ) ) {
return;
} else {
$role->add_cap( 'mc_add_events' );
$role->add_cap( 'mc_approve_events' );
$role->add_cap( 'mc_manage_events' );
$role->add_cap( 'mc_edit_cats' );
$role->add_cap( 'mc_edit_styles' );
$role->add_cap( 'mc_edit_behaviors' );
$role->add_cap( 'mc_edit_templates' );
$role->add_cap( 'mc_edit_settings' );
$role->add_cap( 'mc_edit_locations' );
$role->add_cap( 'mc_view_help' );
}
} else {
return;
}
}
/**
* Grant capabilities to standard site roles
*
* @param string|boolean $add Add capabilities to this role.
* @param string|boolean $manage Manage capabilities to this role.
* @param string|boolean $approve Approve capabilities to this role.
*/
function mc_add_roles( $add = false, $manage = false, $approve = false ) {
$role = get_role( 'administrator' );
$role->add_cap( 'mc_add_events' );
$role->add_cap( 'mc_approve_events' );
$role->add_cap( 'mc_manage_events' );
$role->add_cap( 'mc_edit_cats' );
$role->add_cap( 'mc_edit_styles' );
$role->add_cap( 'mc_edit_behaviors' );
$role->add_cap( 'mc_edit_templates' );
$role->add_cap( 'mc_edit_settings' );
$role->add_cap( 'mc_edit_locations' );
$role->add_cap( 'mc_view_help' );
if ( $add && $manage && $approve ) {
// this is an upgrade.
$subscriber = get_role( 'subscriber' );
$contributor = get_role( 'contributor' );
$author = get_role( 'author' );
$editor = get_role( 'editor' );
$subscriber->add_cap( 'mc_view_help' );
$contributor->add_cap( 'mc_view_help' );
$author->add_cap( 'mc_view_help' );
$editor->add_cap( 'mc_view_help' );
switch ( $add ) {
case 'read':
$subscriber->add_cap( 'mc_add_events' );
$contributor->add_cap( 'mc_add_events' );
$author->add_cap( 'mc_add_events' );
$editor->add_cap( 'mc_add_events' );
break;
case 'edit_posts':
$contributor->add_cap( 'mc_add_events' );
$author->add_cap( 'mc_add_events' );
$editor->add_cap( 'mc_add_events' );
break;
case 'publish_posts':
$author->add_cap( 'mc_add_events' );
$editor->add_cap( 'mc_add_events' );
break;
case 'moderate_comments':
$editor->add_cap( 'mc_add_events' );
break;
}
switch ( $approve ) {
case 'read':
$subscriber->add_cap( 'mc_approve_events' );
$contributor->add_cap( 'mc_approve_events' );
$author->add_cap( 'mc_approve_events' );
$editor->add_cap( 'mc_approve_events' );
break;
case 'edit_posts':
$contributor->add_cap( 'mc_approve_events' );
$author->add_cap( 'mc_approve_events' );
$editor->add_cap( 'mc_approve_events' );
break;
case 'publish_posts':
$author->add_cap( 'mc_approve_events' );
$editor->add_cap( 'mc_approve_events' );
break;
case 'moderate_comments':
$editor->add_cap( 'mc_approve_events' );
break;
}
switch ( $manage ) {
case 'read':
$subscriber->add_cap( 'mc_manage_events' );
$contributor->add_cap( 'mc_manage_events' );
$author->add_cap( 'mc_manage_events' );
$editor->add_cap( 'mc_manage_events' );
break;
case 'edit_posts':
$contributor->add_cap( 'mc_manage_events' );
$author->add_cap( 'mc_manage_events' );
$editor->add_cap( 'mc_manage_events' );
break;
case 'publish_posts':
$author->add_cap( 'mc_manage_events' );
$editor->add_cap( 'mc_manage_events' );
break;
case 'moderate_comments':
$editor->add_cap( 'mc_manage_events' );
break;
}
}
}
/**
* Verify that My Calendar tables exist
*/
function my_calendar_exists() {
global $wpdb;
$tables = $wpdb->get_results( 'show tables;' );
foreach ( $tables as $table ) {
foreach ( $table as $value ) {
if ( my_calendar_table() === $value ) {
// if the table exists, then My Calendar was already installed.
return true;
}
}
}
return false;
}
/**
* Check what version of My Calendar is installed; install or upgrade if needed
*/
function my_calendar_check() {
// only execute this function for administrators.
if ( current_user_can( 'manage_options' ) ) {
mc_if_needs_permissions();
$old_version = mc_get_version( false );
// If current version matches, don't bother running this.
if ( mc_get_version() === $old_version ) {
return true;
} else {
update_option( 'mc_version', mc_get_version() );
}
$upgrade_path = array();
$my_calendar_exists = my_calendar_exists();
$settings = get_option( 'my_calendar_options' );
if ( $my_calendar_exists && '' === $old_version ) {
// If the table exists, but I don't know what version it is, run all upgrades.
$old_version = '2.9.9';
}
if ( $my_calendar_exists ) {
// For each release requiring an upgrade path, add a version compare.
// Loop will run every relevant upgrade cycle.
$valid_upgrades = array( '3.0.0', '3.1.13', '3.3.0', '3.4.0', '3.5.0' );
foreach ( $valid_upgrades as $upgrade ) {
if ( version_compare( $old_version, $upgrade, '<' ) ) {
$upgrade_path[] = $upgrade;
}
}
}
if ( ! empty( $upgrade_path ) ) {
mc_do_upgrades( $upgrade_path );
}
// If there are no settings, set up default settings.
if ( ! $settings ) {
mc_default_settings();
}
/*
* If the user has uninstalled the plugin but kept the database of events, this will restore default
* settings and upgrade db if needed.
*/
if ( 'true' === get_option( 'mc_uninstalled' ) ) {
mc_default_settings();
update_option( 'mc_db_version', mc_get_version() );
}
}
}
/**
* Given a valid upgrade path, execute it.
*
* @param array $upgrade_path Specific path to execute.
*
* @return bool
*/
function mc_do_upgrades( $upgrade_path ) {
if ( empty( $upgrade_path ) ) {
return false;
}
foreach ( $upgrade_path as $upgrade ) {
switch ( $upgrade ) {
case '3.5.0':
// Need to set card display settings. TODO.
$options = get_option( 'my_calendar_options' );
$caljs = $options['calendar_javascript'];
$minijs = $options['mini_javascript'];
$listjs = $options['list_javascript'];
if ( ! $caljs ) {
$options['calendar_javascript'] = 'disclosure';
}
if ( ! $minijs ) {
$options['mini_javascript'] = 'disclosure';
}
if ( ! $listjs ) {
$options['list_javascript'] = 'disclosure';
}
update_option( 'my_calendar_options', $options );
break;
case '3.4.0':
mc_migrate_settings();
delete_option( 'mc_use_custom_js' );
break;
case '3.3.0': // 2021-12-13
// Event repeats is now a string, and prefers a date-like value.
mc_upgrade_db();
// Count cache no longer counts 'archived' events as published.
mc_update_count_cache();
// Shortcodes now executed by default.
delete_option( 'mc_process_shortcodes' );
// Remap display settings.
$settings = array();
$single = get_option( 'display_single' );
$main = get_option( 'display_main' );
$mini = get_option( 'display_mini' );
if ( empty( $single ) || empty( $main ) || empty( $mini ) ) {
$settings[] = ( 'true' === get_option( 'mc_display_author' ) ) ? 'author' : '';
$settings[] = ( 'true' === get_option( 'mc_display_host' ) ) ? 'host' : '';
$settings[] = ( 'true' === get_option( 'mc_show_event_vcal' ) ) ? 'ical' : '';
$settings[] = ( 'true' === get_option( 'mc_show_gcal' ) ) ? 'gcal' : '';
$settings[] = ( 'true' === get_option( 'mc_show_map' ) ) ? 'gmap_link' : '';
$settings[] = ( 'true' === get_option( 'mc_gmap' ) ) ? 'gmap' : '';
$settings[] = ( 'true' === get_option( 'mc_show_address' ) ) ? 'address' : '';
$settings[] = ( 'true' === get_option( 'mc_short' ) ) ? 'excerpt' : '';
$settings[] = ( 'true' === get_option( 'mc_desc' ) ) ? 'description' : '';
$settings[] = ( 'true' === get_option( 'mc_image' ) ) ? 'image' : '';
$settings[] = ( 'true' === get_option( 'mc_event_registration' ) ) ? 'tickets' : '';
$settings[] = ( 'true' === get_option( 'mc_event_link' ) ) ? 'link' : '';
$settings[] = ( 'true' === get_option( 'mc_display_more' ) ) ? 'more' : '';
foreach ( $settings as $key => $value ) {
if ( '' === $value ) {
unset( $settings[ $key ] );
}
}
if ( empty( $single ) ) {
add_option( 'mc_display_single', $settings );
}
if ( empty( $main ) ) {
add_option( 'mc_display_main', $settings );
}
if ( empty( $mini ) ) {
add_option( 'mc_display_mini', $settings );
}
}
add_option( 'mc_drop_settings', 'true' );
delete_option( 'mc_display_author' );
delete_option( 'mc_display_host' );
delete_option( 'mc_show_event_vcal' );
delete_option( 'mc_show_gcal' );
delete_option( 'mc_show_map' );
delete_option( 'mc_gmap' );
delete_option( 'mc_show_address' );
delete_option( 'mc_short' );
delete_option( 'mc_desc' );
delete_option( 'mc_image' );
delete_option( 'mc_short' );
delete_option( 'mc_event_registration' );
delete_option( 'mc_event_link' );
delete_option( 'mc_display_more' );
delete_option( 'mc_title' );
break;
case '3.1.13': // 2019-03-15
delete_option( 'mc_inverse_color' );
mc_upgrade_db();
break;
case '3.0.0': // 2018-06-14
delete_option( 'mc_event_open' );
delete_option( 'mc_widget_defaults' );
delete_option( 'mc_event_closed' );
delete_option( 'mc_event_approve' );
delete_option( 'mc_ical_utc' );
delete_option( 'mc_user_settings_enabled' );
delete_option( 'mc_user_location_type' );
delete_option( 'mc_event_approve_perms' );
delete_option( 'mc_location_type' );
add_option(
'mc_style_vars',
array(
'--primary-dark' => '#313233',
'--primary-light' => '#fff',
'--secondary-light' => '#fff',
'--secondary-dark' => '#000',
'--highlight-dark' => '#666',
'--highlight-light' => '#efefef',
)
);
mc_transition_categories(); // This is the only use of this function.
break;
default:
break;
}
}
return true;
}
/**
* Add primary adminbar link.
*
* @param int $mc_id Post ID for calendar.
*/
function mc_add_adminbar_link( $mc_id ) {
global $wp_admin_bar;
if ( is_page( $mc_id ) && current_user_can( 'mc_add_events' ) ) {
/**
* Filter URL displayed for 'Add Event' link in adminbar. Return empty value to disable.
*
* @hook mc_add_events_url
*
* @param {string} $url Admin URL for adding events.
*
* @return {string}
*/
$url = apply_filters( 'mc_add_events_url', admin_url( 'admin.php?page=my-calendar' ) );
$args = array(
'id' => 'mc-my-calendar',
'title' => __( 'Add Event', 'my-calendar' ),
'href' => $url,
);
} else {
/**
* Filter URL displayed for 'My Calendar' link in adminbar.
*
* @hook mc_adminbar_uri
*
* @param {string} $url Front-end URL for viewing events.
*
* @return {string}
*/
$url = esc_url( apply_filters( 'mc_adminbar_uri', mc_get_uri() ) );
$args = array(
'id' => 'mc-my-calendar',
'title' => __( 'My Calendar', 'my-calendar' ),
'href' => $url,
);
}
$wp_admin_bar->add_node( $args );
}
add_action( 'admin_bar_menu', 'mc_admin_bar', 200 );
/**
* Set up adminbar links
*/
function mc_admin_bar() {
global $wp_admin_bar;
$mc_id = mc_get_option( 'uri_id' );
if ( mc_get_uri( 'boolean' ) ) {
mc_add_adminbar_link( $mc_id );
} else {
$mc_id = mc_get_option( 'uri_id' );
if ( ! $mc_id ) {
$url = admin_url( 'admin.php?page=my-calendar-config#my-calendar-manage' );
$args = array(
'id' => 'mc-my-calendar',
'title' => __( 'Set Calendar URL', 'my-calendar' ),
'href' => $url,
);
$wp_admin_bar->add_node( $args );
} else {
mc_add_adminbar_link( $mc_id );
}
}
if ( current_user_can( 'mc_add_events' ) && 'true' !== mc_get_option( 'remote' ) ) {
/**
* Filter URL displayed for 'Add Event' link in adminbar. Return empty value to disable.
*
* @hook mc_add_events_url
*
* @param {string} $url Admin URL for adding events.
*
* @return {string}
*/
$url = apply_filters( 'mc_add_events_url', admin_url( 'admin.php?page=my-calendar' ) );
if ( $url ) {
$args = array(
'id' => 'mc-add-event',
'title' => __( 'Add Event', 'my-calendar' ),
'href' => $url,
'parent' => 'mc-my-calendar',
);
$wp_admin_bar->add_node( $args );
}
}
$mc_id = ( isset( $_GET['mc_id'] ) ) ? absint( $_GET['mc_id'] ) : false;
if ( $mc_id && mc_can_edit_event( mc_get_event( $mc_id ) ) ) {
$event_id = mc_valid_id( $mc_id );
$query = array(
'event_id' => $event_id,
'ref' => urlencode( mc_get_current_url() ),
);
$url = add_query_arg( $query, admin_url( 'admin.php?page=my-calendar&mode=edit' ) );
$args = array(
'id' => 'mc-edit-event',
'title' => __( 'Edit Event', 'my-calendar' ),
'href' => $url,
'parent' => 'mc-my-calendar',
);
$wp_admin_bar->add_node( $args );
}
if ( current_user_can( 'mc_manage_events' ) && current_user_can( 'mc_add_events' ) ) {
$url = admin_url( 'admin.php?page=my-calendar-manage' );
$args = array(
'id' => 'mc-manage-events',
'title' => __( 'Events', 'my-calendar' ),
'href' => $url,
'parent' => 'mc-my-calendar',
);
$wp_admin_bar->add_node( $args );
}
if ( current_user_can( 'mc_edit_cats' ) && current_user_can( 'mc_add_events' ) ) {
$url = admin_url( 'admin.php?page=my-calendar-categories' );
$args = array(
'id' => 'mc-manage-categories',
'title' => __( 'Categories', 'my-calendar' ),
'href' => $url,
'parent' => 'mc-my-calendar',
);
$wp_admin_bar->add_node( $args );
}
if ( current_user_can( 'mc_edit_locations' ) && current_user_can( 'mc_add_events' ) ) {
$url = admin_url( 'admin.php?page=my-calendar-location-manager' );
$args = array(
'id' => 'mc-manage-locations',
'title' => __( 'Locations', 'my-calendar' ),
'href' => $url,
'parent' => 'mc-my-calendar',
);
$wp_admin_bar->add_node( $args );
}
if ( function_exists( 'mcs_submissions' ) && is_numeric( get_option( 'mcs_submit_id' ) ) && mcs_user_can_submit_events() ) {
$url = get_permalink( get_option( 'mcs_submit_id' ) );
$args = array(
'id' => 'mc-submit-events',
'title' => __( 'Public Submissions', 'my-calendar' ),
'href' => $url,
'parent' => 'mc-my-calendar',
);
$wp_admin_bar->add_node( $args );
}
}
/**
* Label My Calendar pages in the admin.
*
* @param array $states States for post.
* @param object $post The post object.
*
* @return array
*/
function mc_admin_state( $states, $post ) {
if ( is_admin() ) {
if ( absint( mc_get_option( 'uri_id' ) ) === $post->ID ) {
$states[] = __( 'My Calendar Page', 'my-calendar' );
}
}
return $states;
}
add_filter( 'display_post_states', 'mc_admin_state', 10, 2 );
/**
* Send email notification about an event.
*
* @param object $event Event object.
*/
function my_calendar_send_email( $event ) {
$details = mc_create_tags( $event );
$details['edit_link'] = admin_url( "admin.php?page=my-calendar&mode=edit&event_id=$event->event_id" );
$headers = array();
$send_email_option = ( 'true' === mc_get_option( 'event_mail' ) ) ? true : false;
/**
* Filter whether email notifications should be sent.
*
* @hook mc_send_notification
*
* @param {bool} $send_email Boolean equivalent of value of event email setting.
* @param {array} $details Event details for notifications.
*
* @return {bool}
*/
$send_email = apply_filters( 'mc_send_notification', $send_email_option, $details );
if ( true === $send_email ) {
add_filter( 'wp_mail_content_type', 'mc_html_type' );
}
if ( 'true' === mc_get_option( 'event_mail' ) ) {
/**
* Filter event notification email to header.
*
* @hook mc_event_mail_to
*
* @param {string} $to Email to field string.
* @param {array} $details Array of details passed to email function.
*
* @return {string}
*/
$to = apply_filters( 'mc_event_mail_to', mc_get_option( 'event_mail_to' ), $details );
$from = ( '' === mc_get_option( 'event_mail_from' ) ) ? get_bloginfo( 'admin_email' ) : mc_get_option( 'event_mail_from' );
/**
* Filter event notification email from header.
*
* @hook mc_event_mail_from
*
* @param {string} $from Email string for email header from value.
* @param {array} $details Array of details passed to email function.
*
* @return {string}
*/
$from = apply_filters( 'mc_event_mail_from', $from, $details );
$headers[] = 'From: ' . __( 'Event Notifications', 'my-calendar' ) . " <$from>";
/**
* Filter event notification email bcc headers.
*
* @hook mc_event_mail_bcc
*
* @param {string} $bcc Comma separated list of emails for BCC.
* @param {array} $details Array of details passed to email function.
*
* @return {string}
*/
$bcc = apply_filters( 'mc_event_mail_bcc', mc_get_option( 'event_mail_bcc' ), $details );
if ( $bcc ) {
$bcc = explode( PHP_EOL, $bcc );
foreach ( $bcc as $b ) {
$b = trim( $b );
if ( is_email( $b ) ) {
$headers[] = "Bcc: $b";
}
}
}
/**
* Filter event notification email headers.
*
* @hook mc_customize_email_headers
*
* @param {array} $headers Email headers.
* @param {object} $event Event object.
*
* @return {string}
*/
$headers = apply_filters( 'mc_customize_email_headers', $headers, $event );
/**
* Filter event notification email subject.
*
* @hook mc_event_mail_subject
*
* @param {string} $subject Email subject.
* @param {array} $details Array of details passed to email function.
*
* @return {string}
*/
$subject = apply_filters( 'mc_event_mail_subject', mc_get_option( 'event_mail_subject' ), $details );
/**
* Filter event notification email body.
*
* @hook mc_event_mail_body
*
* @param {string} $body Email body.
* @param {array} $details Array of details passed to email function.
*
* @return {string}
*/
$body = apply_filters( 'mc_event_mail_body', mc_get_option( 'event_mail_message' ), $details );
$subject = mc_draw_template( $details, $subject );
$message = mc_draw_template( $details, $body );
wp_mail( $to, $subject, $message, $headers );
}
if ( 'true' === mc_get_option( 'html_email' ) ) {
remove_filter( 'wp_mail_content_type', 'mc_html_type' );
}
}
/**
* Checks submitted events against akismet, if available
*
* @param string $event_url Provided URL.
* @param string $description Event description.
* @param array $post Posted details.
*
* @return int 1 if spam, 0 if not.
*/
function mc_spam( $event_url = '', $description = '', $post = array() ) {
global $akismet_api_host, $akismet_api_port;
/**
* Disable automatic spam checking (turned on when Akismet is active.)
*
* @hook mc_disable_spam_checking
*
* @param {bool} $disabled True to disable spam checking. Default false.
* @param {array} $post Posted event details for checking.
*
* @return {bool}
*/
if ( current_user_can( 'mc_add_events' ) || apply_filters( 'mc_disable_spam_checking', false, $post ) ) { // is a privileged user.
/**
* Test spam status before Akismet runs. Returns immediately and shortcircuits tests.
*
* @hook mc_custom_spam_status
*
* @param {int} $status Numeric status. 0 for valid, 1 for spam.
* @param {array} $post Submitted data from POST.
*
* @return {int}
*/
return apply_filters( 'mc_custom_spam_status', 0, $post );
}
$akismet = false;
$c = array();
// check for Akismet.
if ( ( function_exists( 'akismet_http_post' ) || method_exists( 'Akismet', 'http_post' ) ) && ( akismet_get_key() ) ) {
$akismet = true;
}
if ( $akismet ) {
$c['blog'] = home_url();
$c['user_ip'] = preg_replace( '/[^0-9., ]/', '', $_SERVER['REMOTE_ADDR'] );
$c['user_agent'] = $_SERVER['HTTP_USER_AGENT'];
$c['referrer'] = $_SERVER['HTTP_REFERER'];
$c['comment_type'] = 'calendar-event';
$c['blog_lang'] = get_bloginfo( 'language' );
$c['blog_charset'] = get_bloginfo( 'charset' );
$c['comment_author_url'] = $event_url;
$c['comment_content'] = $description;
$c['comment_author'] = $post['mcs_name'];
$c['comment_author_email'] = $post['mcs_email'];
$ignore = array( 'HTTP_COOKIE' );
foreach ( $_SERVER as $key => $value ) {
if ( ! in_array( $key, (array) $ignore, true ) ) {
$c[ "$key" ] = $value;
}
}
$query_string = '';
foreach ( $c as $key => $data ) {
$query_string .= $key . '=' . urlencode( stripslashes( (string) $data ) ) . '&';
}
if ( method_exists( 'Akismet', 'http_post' ) ) {
$response = Akismet::http_post( $query_string, 'comment-check' );
} else {
$response = akismet_http_post( $query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port );
}
if ( 'true' === $response[1] ) {
return 1;
} else {
return 0;
}
}
return 0;
}
/**
* Cache total number of events for admin.
*/
function mc_update_count_cache() {
global $wpdb;
$all = $wpdb->get_var( 'SELECT count(event_id) FROM ' . my_calendar_table() . ' WHERE event_flagged = 0 AND event_status = 1' ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$published = $wpdb->get_var( 'SELECT count(event_id) FROM ' . my_calendar_table() . ' WHERE event_approved = 1 AND event_flagged = 0 AND event_status = 1' ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$draft = $wpdb->get_var( 'SELECT count(event_id) FROM ' . my_calendar_table() . ' WHERE event_approved = 0 AND event_flagged = 0 AND event_status = 1' ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$trash = $wpdb->get_var( 'SELECT count(event_id) FROM ' . my_calendar_table() . ' WHERE event_approved = 2 AND event_flagged = 0 AND event_status = 1' ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$archive = $wpdb->get_var( 'SELECT count(event_id) FROM ' . my_calendar_table() . ' WHERE event_approved != 2 AND event_flagged = 0 AND event_status = 0' ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$spam = $wpdb->get_var( 'SELECT count(event_id) FROM ' . my_calendar_table() . ' WHERE event_approved != 2 AND event_flagged = 1 AND event_status = 1' ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$counts = array(
'all' => $all,
'published' => $published,
'draft' => $draft,
'trash' => $trash,
'archive' => $archive,
'spam' => $spam,
);
update_option( 'mc_count_cache', $counts );
return $counts;
}
add_action( 'admin_enqueue_scripts', 'mc_datepicker' );
/**
* Enqueue datepickers.
*/
function mc_datepicker() {
global $current_screen;
$id = $current_screen->id;
if ( 'toplevel_page_my-calendar' === $id ) {
mc_enqueue_duet();
}
}
/**
* Produce placeholders in a meaningful format.
*
* @return string
*/
function mc_parse_date_format() {
$format = get_option( 'mcs_date_format', 'Y-m-d' );
switch ( $format ) {
case 'Y-m-d':
$parsed = 'YYYY-MM-DD';
break;
case 'm/d/Y':
$parsed = 'MM/DD/YYYY';
break;
case 'd-m-Y':
$parsed = 'DD-MM-YYYY';
break;
case 'j F Y':
$parsed = 'DD MMMM YYYY';
break;
case 'M j, Y':
$parsed = 'MMM DD, YYYY';
break;
default:
$parsed = 'YYYY-MM-DD';
}
return $parsed;
}
/**
* Enqueue Duet Date Picker.
*/
function mc_enqueue_duet() {
wp_enqueue_script( 'duet.js' );
wp_enqueue_style( 'duet.css' );
// Enqueue datepicker options.
wp_enqueue_script( 'mc.duet' );
wp_localize_script(
'mc.duet',
'duetFormats',
array(
'date' => ( get_option( 'mcs_date_format', '' ) ) ? get_option( 'mcs_date_format' ) : 'Y-m-d',
)
);
wp_localize_script(
'mc.duet',
'duetLocalization',
array(
'buttonLabel' => __( 'Choose date', 'my-calendar' ),
'placeholder' => mc_parse_date_format(),
'selectedDateMessage' => __( 'Selected date is', 'my-calendar' ),
'prevMonthLabel' => __( 'Previous month', 'my-calendar' ),
'nextMonthLabel' => __( 'Next month', 'my-calendar' ),
'monthSelectLabel' => __( 'Month', 'my-calendar' ),
'yearSelectLabel' => __( 'Year', 'my-calendar' ),
'closeLabel' => __( 'Close window', 'my-calendar' ),
'keyboardInstruction' => __( 'You can use arrow keys to navigate dates', 'my-calendar' ),
'calendarHeading' => __( 'Choose a date', 'my-calendar' ),
'dayNames' => array(
date_i18n( 'D', strtotime( 'Sunday' ) ),
date_i18n( 'D', strtotime( 'Monday' ) ),
date_i18n( 'D', strtotime( 'Tuesday' ) ),
date_i18n( 'D', strtotime( 'Wednesday' ) ),
date_i18n( 'D', strtotime( 'Thursday' ) ),
date_i18n( 'D', strtotime( 'Friday' ) ),
date_i18n( 'D', strtotime( 'Saturday' ) ),
),
'monthNames' => array(
date_i18n( 'F', strtotime( 'January 1' ) ),
date_i18n( 'F', strtotime( 'February 1' ) ),
date_i18n( 'F', strtotime( 'March 1' ) ),
date_i18n( 'F', strtotime( 'April 1' ) ),
date_i18n( 'F', strtotime( 'May 1' ) ),
date_i18n( 'F', strtotime( 'June 1' ) ),
date_i18n( 'F', strtotime( 'July 1' ) ),
date_i18n( 'F', strtotime( 'August 1' ) ),
date_i18n( 'F', strtotime( 'September 1' ) ),
date_i18n( 'F', strtotime( 'October 1' ) ),
date_i18n( 'F', strtotime( 'November 1' ) ),
date_i18n( 'F', strtotime( 'December 1' ) ),
),
'monthNamesShort' => array(
date_i18n( 'M', strtotime( 'January 1' ) ),
date_i18n( 'M', strtotime( 'February 1' ) ),
date_i18n( 'M', strtotime( 'March 1' ) ),
date_i18n( 'M', strtotime( 'April 1' ) ),
date_i18n( 'M', strtotime( 'May 1' ) ),
date_i18n( 'M', strtotime( 'June 1' ) ),
date_i18n( 'M', strtotime( 'July 1' ) ),
date_i18n( 'M', strtotime( 'August 1' ) ),
date_i18n( 'M', strtotime( 'September 1' ) ),
date_i18n( 'M', strtotime( 'October 1' ) ),
date_i18n( 'M', strtotime( 'November 1' ) ),
date_i18n( 'M', strtotime( 'December 1' ) ),
),
'locale' => str_replace( '_', '-', get_locale() ),
)
);
}
add_action( 'admin_enqueue_scripts', 'mc_scripts' );
/**
* Enqueue My Calendar admin scripts
*/
function mc_scripts() {
global $current_screen;
$version = mc_get_version();
if ( SCRIPT_DEBUG ) {
$version .= wp_rand( 10000, 100000 );
}
$id = $current_screen->id;
$slug = sanitize_title( __( 'My Calendar', 'my-calendar' ) );
if ( false !== strpos( $id, 'my-calendar' ) || isset( $_GET['post'] ) && mc_get_option( 'uri_id' ) === $_GET['post'] ) {
// Script needs to be aware of current Pro version.
$mcs_version = ( get_option( 'mcs_version', '' ) ) ? get_option( 'mcs_version' ) : 1.0;
wp_enqueue_script( 'mc.admin' );
wp_localize_script(
'mc.admin',
'mcAdmin',
array(
'thumbHeight' => get_option( 'thumbnail_size_h' ),
'deleteButton' => __( 'Cancel', 'my-calendar' ),
'restoreButton' => __( 'Restore', 'my-calendar' ),
'imageRemoved' => __( 'Featured image removed', 'my-calendar' ),
'modalTitle' => __( 'Choose an Image', 'my-calendar' ),
'buttonName' => __( 'Select', 'my-calendar' ),
'mcs' => $mcs_version,
)
);
wp_enqueue_script( 'mc.admin-footer' );
if ( version_compare( $mcs_version, '2.1', '<' ) ) {
wp_enqueue_style( 'mcs-back-compat' );
}
if ( function_exists( 'wp_enqueue_media' ) && ! did_action( 'wp_enqueue_media' ) ) {
wp_enqueue_media();
}
}
wp_enqueue_style( 'wp-color-picker' );
// Switch to wp_add_inline_script when no longer supporting WP 4.4.x.
wp_enqueue_script( 'mc-color-picker' );
if ( 'toplevel_page_my-calendar' === $id || $slug . '_page_my-calendar-config' === $id ) {
wp_enqueue_script( 'jquery-ui-accordion' );
}
if ( 'toplevel_page_my-calendar' === $id ) {
wp_enqueue_script( 'jquery-ui-autocomplete' ); // required for character counting.
}
if ( $slug . '_page_my-calendar-locations' === $id || 'toplevel_page_my-calendar' === $id ) {
$api_key = mc_get_option( 'gmap_api_key' );
if ( $api_key ) {
wp_enqueue_script( 'gmaps' );
wp_enqueue_script( 'mc-maps' );
wp_localize_script(
'mc-maps',
'gmaps',
array(
'toggle' => '<span class="dashicons dashicons-arrow-right" aria-hidden="true"></span><span class="screen-reader-text">' . __( 'Location Details', 'my-calendar' ) . '</span>',
)
);
}
}
if ( 'toplevel_page_my-calendar' === $id && function_exists( 'wpt_post_to_twitter' ) ) {
wp_enqueue_script( 'mc.charcount' );
}
if ( 'toplevel_page_my-calendar' === $id || $slug . '_page_my-calendar-manage' === $id ) {
if ( current_user_can( 'mc_manage_events' ) ) {
wp_enqueue_script( 'mc.ajax' );
$event_id = ( isset( $_GET['event_id'] ) ) ? (int) $_GET['event_id'] : '';
wp_localize_script(
'mc.ajax',
'mc_data',
array(
'action' => 'delete_occurrence',
'recur' => 'add_date',
'security' => wp_create_nonce( 'mc-delete-nonce' ),
'url' => esc_url( add_query_arg( 'event_id', $event_id, admin_url( 'admin.php?page=my-calendar&mode=edit' ) ) ),
)
);
wp_localize_script(
'mc.ajax',
'mc_recur',
array(
'action' => 'display_recurrence',
'security' => wp_create_nonce( 'mc-recurrence-nonce' ),
)
);
wp_localize_script(
'mc.ajax',
'mc_cats',
array(
'action' => 'add_category',
'security' => wp_create_nonce( 'mc-add-category-nonce' ),
)
);
}
/**
* Filter the number of locations required to trigger a switch between a select input and an autocomplete.
*
* @hook mc_convert_locations_select_to_autocomplete
*
* @param {int} $count Number of locations that will remain a select. Default 90.
*
* @return {int}
*/
if ( mc_count_locations() > apply_filters( 'mc_convert_locations_select_to_autocomplete', 90 ) ) {
wp_enqueue_script( 'accessible-autocomplete' );
wp_enqueue_script( 'mc-autocomplete' );
wp_localize_script(
'mc-autocomplete',
'mclocations',
array(
'ajaxurl' => admin_url( 'admin-ajax.php' ),
'security' => wp_create_nonce( 'mc-search-locations' ),
'action' => 'mc_core_autocomplete_search_locations',
)
);
}
}
if ( $slug . '_page_my-calendar-config' === $id ) {
wp_enqueue_script( 'accessible-autocomplete' );
wp_enqueue_script( 'mc-autocomplete' );
wp_localize_script(
'mc-autocomplete',
'mcpages',
array(
'ajaxurl' => admin_url( 'admin-ajax.php' ),
'security' => wp_create_nonce( 'mc-search-pages' ),
'action' => 'mc_core_autocomplete_search_pages',
)
);
}
if ( $slug . '_page_my-calendar-categories' === $id ) {
wp_enqueue_script( 'accessible-autocomplete' );
wp_enqueue_script( 'mc-autocomplete' );
wp_localize_script(
'mc-autocomplete',
'mcicons',
array(
'ajaxurl' => admin_url( 'admin-ajax.php' ),
'security' => wp_create_nonce( 'mc-search-icons' ),
'action' => 'mc_core_autocomplete_search_icons',
)
);
}
if ( $slug . '_page_my-calendar-locations' === $id || 'toplevel_page_my-calendar' === $id ) {
wp_enqueue_script( 'accessible-autocomplete' );
wp_enqueue_script( 'mc-autocomplete' );
wp_localize_script(
'mc-autocomplete',
'mccountries',
array(
'ajaxurl' => admin_url( 'admin-ajax.php' ),
'security' => wp_create_nonce( 'mc-search-countries' ),
'action' => 'mc_core_autocomplete_search_countries',
)
);
}
}
/**
* Get the My Calendar time format.
*
* @return string format.
*/
function mc_time_format() {
$mc_time_format = mc_get_option( 'time_format' );
$time_format = get_option( 'time_format', '' );
if ( '' === $mc_time_format ) {
$mc_time_format = $time_format;
}
if ( '' === $mc_time_format ) {
$mc_time_format = 'h:i a';
}
return $mc_time_format;
}
/**
* Return a table header with sortability.
*
* @param string $label Column label.
* @param bool|string $sort ascending or descending.
* @param string $sortby Column currently sorted.
* @param string $sorted This sort column.
* @param bool|string $url URL to sort column.
*
* @return string
*/
function mc_table_header( $label, $sort, $sortby, $sorted, $url = false ) {
$id = sanitize_title( $label ) . ( ( $url ) ? md5( remove_query_arg( 'order', $url ) ) : '' );
$inner = ( $url ) ? '<a href="' . esc_url( $url ) . '#' . $id . '">' . $label . '</a>' : $label;
$sort = ( ! $sort ) ? false : ( ( 'ASC' === $sort ) ? 'descending' : 'ascending' );
$th = ( $sort && ( (string) $sortby === (string) $sorted ) ) ? '<th scope="col" aria-sort="' . $sort . '">' : '<th scope="col">';
$return = $th . $inner . '</th>';
return $return;
}
/**
* As of version 3.4.0, this checks for the shortcode, to see if there's a page with the calendar shortcode.
*
* @return array
*/
function mc_locate_calendar() {
$return = array(
'response' => false,
'message' => __( 'Calendar query was not able to run.', 'my-calendar' ),
);
global $wpdb;
$has_uri = mc_get_uri( 'boolean' );
$current = mc_get_uri();
// check whether calendar page is a valid URL.
if ( $has_uri && esc_url( $current ) ) {
$response = wp_remote_head( $current );
if ( ! is_wp_error( $response ) ) {
$http = (string) $response['response']['code'];
// Only modify the value if it's explicitly missing. Redirects or secured pages are fine.
if ( '404' === $http ) {
$current = '';
}
}
}
if ( ! $has_uri ) {
// Locate oldest post containing my_calendar shortcode. Will also locate upcoming events shortcodes, however.
$post_ID = $wpdb->get_var( "SELECT id FROM $wpdb->posts WHERE post_content LIKE '%[my_calendar%' AND post_status = 'publish'" );
if ( $post_ID ) {
$link = get_permalink( $post_ID );
mc_update_option( 'uri_id', $post_ID );
$return = array(
'response' => true,
'message' => esc_html__( 'Is this your calendar page?', 'my-calendar' ) . ' <a href="' . esc_url( $link ) . '"><code>' . esc_html( $link ) . '</code></a>',
);
return $return;
} else {
$page = mc_generate_calendar_page( 'my-calendar' );
mc_update_option( 'uri_id', $page );
// translators: URL for new My Calendar page.
$confirmation = sprintf( esc_html__( 'New calendar page created at <a href="%s">My Calendar</a>', 'my-calendar' ), esc_url( get_permalink( $page ) ) );
$return = array(
'response' => true,
'message' => $confirmation,
);
return $return;
}
} else {
$return = array(
'response' => true,
'message' => esc_html__( 'Calendar installed.', 'my-calendar' ),
);
}
return $return;
}
/**
* Set up support form
*/
function mc_get_support_form() {
global $current_user, $wpdb;
$current_user = wp_get_current_user();
// send fields for My Calendar.
$version = mc_get_version();
$mc_db_version = get_option( 'mc_db_version' );
$mc_uri = mc_get_uri();
$mc_css = mc_get_option( 'css_file' );
// Pro license status.
$license = ( '' !== get_option( 'mcs_license_key', '' ) ) ? get_option( 'mcs_license_key' ) : '';
$license_valid = get_option( 'mcs_license_key_valid' );
$checked = ( 'valid' === $license_valid ) ? true : false;
if ( $license ) {
$license = "
License: $license, $license_valid";
}
// send fields for all plugins.
$wp_version = get_bloginfo( 'version' );
$home_url = home_url();
$wp_url = site_url();
$language = get_bloginfo( 'language' );
$charset = get_bloginfo( 'charset' );
// server.
$php_version = phpversion();
$db_version = $wpdb->db_version();
$admin_email = get_option( 'admin_email' );
$db_time = mc_ts( true )['db'];
$wp_time = mc_ts( true )['wp'];
$db_type = mc_get_db_type();
// theme data.
$theme = wp_get_theme();
$theme_name = $theme->get( 'Name' );
$theme_uri = $theme->get( 'ThemeURI' );
$theme_parent = $theme->get( 'Template' );
$theme_version = $theme->get( 'Version' );
// plugin data.
$plugins = get_plugins();
$plugins_string = '';
foreach ( array_keys( $plugins ) as $key ) {
if ( is_plugin_active( $key ) ) {
$plugin =& $plugins[ $key ];
$plugin_name = $plugin['Name'];
$plugin_uri = $plugin['PluginURI'];
$plugin_version = $plugin['Version'];
$plugins_string .= "$plugin_name: $plugin_version; $plugin_uri\n";
}
}
$data = "
================ Installation Data ====================
==My Calendar:==
Version: $version
DB Version: $mc_db_version
URI: $mc_uri
CSS: $mc_css$license
Requester Email: $current_user->user_email
Admin Email: $admin_email
==WordPress:==
Version: $wp_version
URL: $home_url
Install: $wp_url
Language: $language
Charset: $charset
==Extra info:==
PHP Version: $php_version
DB Version: $db_version
DB UTC Offset: $db_time
WP UTC Offset: $wp_time
DB Type: $db_type
Server Software: $_SERVER[SERVER_SOFTWARE]
User Agent: $_SERVER[HTTP_USER_AGENT]
==Theme:==
Name: $theme_name
URI: $theme_uri
Parent: $theme_parent
Version: $theme_version
==Active Plugins:==
$plugins_string
";
$support_data = '<div class="mc-copy-button"><button class="button-primary mc-copy-to-clipboard" data-clipboard-target="#mc-clipboard">' . __( 'Copy to clipboard', 'my-calendar' ) . '</button>
<span class="mc-notice-copied">' . __( 'Help Info Copied', 'my-calendar' ) . '</span></div>
<label for="mc-clipboard">' . __( 'Help Info', 'my-calendar' ) . '</label><textarea id="mc-clipboard" class="help" readonly>%s</textarea>';
if ( $checked ) {
$request = '';
if ( isset( $_POST['mc_support'] ) ) {
$nonce = $_REQUEST['_wpnonce'];
if ( ! wp_verify_nonce( $nonce, 'my-calendar-nonce' ) ) {
wp_die( 'My Calendar: Security check failed' );
}
$request = ( ! empty( $_POST['support_request'] ) ) ? stripslashes( $_POST['support_request'] ) : false;
$subject = 'My Calendar Pro support request.';
$message = $request . "\n\n" . $data;
// Get the site domain and get rid of www. from pluggable.php.
$sitename = strtolower( $_SERVER['SERVER_NAME'] );
if ( 'www.' === substr( $sitename, 0, 4 ) ) {
$sitename = substr( $sitename, 4 );
}
$from_email = 'wordpress@' . $sitename;
$from = "From: $current_user->display_name <$from_email>\r\nReply-to: $current_user->display_name <$current_user->user_email>\r\n";
if ( ! $request ) {
echo wp_kses_post( '<div class="message error"><p>' . __( 'Please describe your problem in detail. I\'m not psychic.', 'my-calendar' ) . '</p></div>' );
} else {
$sent = wp_mail( 'plugins@joedolson.com', $subject, $message, $from );
if ( $sent ) {
mc_show_notice( __( 'I\'ll get back to you as soon as I can.', 'my-calendar' ) . __( 'You should receive an automatic response to your request when I receive it. If you do not receive this notice, then either I did not receive your message or the email it was sent from was not a valid address.', 'my-calendar' ) );
} else {
// Translators: Support form URL.
echo wp_kses_post( '<div class="message error"><p>' . __( "Sorry! I couldn't send that message. Here's the text of your request:", 'my-calendar' ) . '</p><p>' . sprintf( __( '<a href="%s">Contact me here</a>, instead', 'my-calendar' ), 'https://www.joedolson.com/contact/' ) . "</p><pre>$request</pre></div>" );
}
}
}
?>
<form method="post" action="<?php echo esc_url( admin_url( 'admin.php?page=my-calendar-help' ) ); ?>">
<div><input type="hidden" name="_wpnonce" value="<?php echo wp_create_nonce( 'my-calendar-nonce' ); ?>" /></div>
<div>
<code><?php echo esc_html( __( 'From:', 'my-calendar' ) . " \"$current_user->display_name\" <$current_user->user_email>" ); ?></code>
</p>
<p>
<label for='support_request'>Support Request:</label><br /><textarea name='support_request' id='support_request' required aria-required='true' cols='80' rows='10' class='widefat'><?php echo esc_textarea( stripslashes( $request ) ); ?></textarea>
</p>
<p>
<input type='submit' value='<?php echo esc_attr( __( 'Send Support Request', 'my-calendar' ) ); ?>' name='mc_support' class='button-primary' />
</p>
<p><?php esc_html_e( 'The following additional information will be sent with your support request:', 'my-calendar' ); ?></p>
<?php printf( wp_kses_post( wpautop( $support_data ) ), esc_textarea( $data ) ); ?>
</div>
</form>
<?php
} else {
echo wp_kses_post( '<p><a href="https://wordpress.org/support/plugin/my-calendar/">' . __( 'Request support at the WordPress.org Support Forums', 'my-calendar' ) . '</a> • <a href="https://www.joedolson.com/my-calendar/pro/">' . __( 'Upgrade to Pro for direct plugin support!', 'my-calendar' ) . '</a></p>' . sprintf( wpautop( $support_data ), esc_textarea( $data ) ) );
}
}
add_action( 'init', 'mc_register_actions' );
/**
* Register actions attached to My Calendar events, usable to add additional actions during those events.
*/
function mc_register_actions() {
add_filter( 'mc_event_registration', 'mc_standard_event_registration', 10, 4 );
add_filter( 'mc_datetime_inputs', 'mc_standard_datetime_input', 10, 4 );
add_action( 'mc_transition_event', 'mc_tweet_approval', 10, 2 );
add_action( 'mc_delete_event', 'mc_event_delete_post', 10, 2 );
add_action( 'mc_mass_delete_events', 'mc_event_delete_posts', 10, 1 );
add_action( 'parse_request', 'my_calendar_api' );
add_action( 'delete_post', 'mc_check_calendar_page', 10, 2 );
}
// Filters.
add_filter( 'post_updated_messages', 'mc_posttypes_messages' );
add_filter( 'tmp_grunion_allow_editor_view', '__return_false' );
add_filter( 'next_post_link', 'mc_next_post_link', 10, 2 );
add_filter( 'previous_post_link', 'mc_previous_post_link', 10, 2 );
add_filter( 'the_title', 'mc_the_title', 10, 2 );
add_filter( 'body_class', 'mc_body_classes', 10, 1 );
// Actions.
add_action( 'init', 'mc_taxonomies', 0 );
add_action( 'init', 'mc_posttypes' );
/**
* Check if deleted post is the My Calendar page. If it is, unset the My Calendar setting.
*
* @param int $post_ID Post ID.
* @param object $post Post object.
*/
function mc_check_calendar_page( $post_ID, $post ) {
$calendar_page = mc_get_option( 'uri_id' );
if ( $post_ID === (int) $calendar_page ) {
mc_update_option( 'uri_id', '' );
}
}
/**
* Change out previous post link for previous event.
*
* @param string $output Original link.
* @param string $format Link anchor format.
*
* @return string
*/
function mc_previous_post_link( $output, $format ) {
if ( mc_is_single_event() ) {
$mc_id = ( isset( $_GET['mc_id'] ) && is_numeric( $_GET['mc_id'] ) ) ? $_GET['mc_id'] : false;
if ( ! $mc_id ) {
$post_id = get_the_ID();
$mc_id = get_post_meta( $post_id, '_mc_event_id', true );
}
$event = mc_adjacent_event( $mc_id, 'previous' );
if ( empty( $event ) ) {
return '';
}
remove_filter( 'the_title', 'mc_the_title', 10 );
$title = apply_filters( 'the_title', $event['title'], $event['post'] );
add_filter( 'the_title', 'mc_the_title', 10, 2 );
$link = add_query_arg( 'mc_id', $event['dateid'], $event['details_link'] );
$date = ' <span class="mc-event-date">' . $event['date'] . '</span>';
$output = str_replace( '%link', '<a href="' . $link . '" rel="next" class="mc-adjacent">' . $title . $date . '</a>', $format );
}
return $output;
}
/**
* Change out next post link for next event.
*
* @param string $output Original link.
* @param string $format Link anchor format.
*
* @return string
*/
function mc_next_post_link( $output, $format ) {
if ( mc_is_single_event() ) {
$mc_id = ( isset( $_GET['mc_id'] ) && is_numeric( $_GET['mc_id'] ) ) ? $_GET['mc_id'] : false;
if ( ! $mc_id ) {
$post_id = get_the_ID();
$mc_id = get_post_meta( $post_id, '_mc_event_id', true );
}
$event = mc_adjacent_event( $mc_id, 'next' );
if ( empty( $event ) ) {
return '';
}
remove_filter( 'the_title', 'mc_the_title', 10 );
$title = apply_filters( 'the_title', $event['title'], $event['post'] );
add_filter( 'the_title', 'mc_the_title', 10, 2 );
$link = add_query_arg( 'mc_id', $event['dateid'], $event['details_link'] );
$date = ' <span class="mc-event-date">' . $event['date'] . '</span>';
$output = str_replace( '%link', '<a href="' . $link . '" rel="next" class="mc-adjacent">' . $title . $date . '</a>', $format );
}
return $output;
}
/**
* Filter the edit post link to point to the event editor.
*
* @param string $link Link to editor.
* @param int $post_id Current post ID.
* @param string $context Calling context.
*
* @return string Link.
*/
function mc_get_edit_post_link( $link, $post_id, $context ) {
if ( is_singular( 'mc-events' ) ) {
$event_id = get_post_meta( $post_id, '_mc_event_id', true );
$link = admin_url( 'admin.php?page=my-calendar&mode=edit&event_id=' . absint( $event_id ) );
$link = ( 'display' === $context ) ? esc_url( $link ) : $link;
}
return $link;
}
add_filter( 'get_edit_post_link', 'mc_get_edit_post_link', 10, 3 );
/**
* Filter body classes on event singular posts.
*
* @param array $classes Array of body classes.
*
* @return array
*/
function mc_body_classes( $classes ) {
$event_classes = array();
if ( is_singular( 'mc-events' ) || isset( $_GET['mc_id'] ) ) {
$post_id = get_the_ID();
if ( $post_id && is_single( $post_id ) ) {
$event = false;
$event_id = ( isset( $_GET['mc_id'] ) && is_numeric( $_GET['mc_id'] ) ) ? $_GET['mc_id'] : false;
if ( ! $event_id ) {
$parent_id = get_post_meta( $post_id, '_mc_event_id', true );
$event = mc_get_nearest_event( $parent_id, true );
}
if ( is_numeric( $event_id ) ) {
$event = mc_get_event( $event_id );
if ( ! is_object( $event ) ) {
$event = mc_get_nearest_event( $event_id, true );
}
}
if ( is_object( $event ) ) {
$event_classes = explode( ' ', mc_get_event_classes( $event, 'body' ) );
}
}
}
$classes = array_merge( $classes, $event_classes );
return $classes;
}
/**
* Replace title on individual event pages with viewed event value & config.
*
* @param string $title Original title.
* @param int $post_id Post ID.
*
* @return string new title string
*/
function mc_the_title( $title, $post_id = null ) {
// in_the_loop() is not true in Full Site Editing, but is_main_query() is. This is a bug in FSE.
// However, in classic themes, is_main_query() is true in menus. So, screwed either way.
if ( is_singular( 'mc-events' ) && ( in_the_loop() ) ) {
if ( $post_id && is_single( $post_id ) ) {
$event = false;
$event_id = ( isset( $_GET['mc_id'] ) && is_numeric( $_GET['mc_id'] ) ) ? $_GET['mc_id'] : false;
if ( ! $event_id ) {
$parent_id = get_post_meta( $post_id, '_mc_event_id', true );
$event = mc_get_nearest_event( $parent_id, true );
}
if ( is_numeric( $event_id ) ) {
$event = mc_get_event( $event_id );
if ( ! is_object( $event ) ) {
$event = mc_get_nearest_event( $event_id, true );
}
}
if ( is_object( $event ) && property_exists( $event, 'category_icon' ) ) {
$icon = mc_category_icon( $event );
if ( false !== stripos( $icon, 'svg' ) && 'background' === mc_get_option( 'apply_color' ) ) {
$color = esc_attr( $event->category_color );
$icon = str_replace( 'fill:', 'background:' . $color . ';fill:', $icon );
}
} else {
$icon = '';
}
if ( is_object( $event ) ) {
$event_title = stripslashes( $event->event_title );
if ( $event_title !== $title ) {
$title = $event_title;
}
$template = mc_get_template( 'title_solo' );
if ( '' === $template || '{title}' === $template ) {
$title = $icon . ' ' . strip_tags( $title, mc_strip_tags() );
} else {
$data = mc_create_tags( $event, $event_id );
$title = mc_draw_template( $data, $template );
}
} else {
// If both queries fail to get title, return original.
return $title;
}
}
}
return $title;
}
add_action( 'admin_init', 'mc_dismiss_notice' );
/**
* Dismiss admin notices
*/
function mc_dismiss_notice() {
if ( isset( $_GET['dismiss'] ) && 'update' === $_GET['dismiss'] ) {
$notice = ( isset( $_GET['notice'] ) ) ? sanitize_text_field( $_GET['notice'] ) : '';
if ( $notice ) {
update_option( 'mc_notice_' . $notice, 1 );
}
}
}
add_action( 'admin_notices', 'mc_update_notice' );
/**
* Admin notices
*/
function mc_update_notice() {
if ( current_user_can( 'manage_options' ) && isset( $_GET['page'] ) && stripos( $_GET['page'], 'my-calendar' ) !== false ) {
if ( 'true' === mc_get_option( 'remote' ) ) {
mc_show_notice( __( 'My Calendar is configured to retrieve events from a remote source.', 'my-calendar' ) . ' <a href="' . admin_url( 'admin.php?page=my-calendar-config' ) . '">' . __( 'Update Settings', 'my-calendar' ) . '</a>' );
}
}
}
/**
* Allow CORS from subsites in multisite networks in subdomain setups.
*/
function mc_setup_cors_access() {
$cache = get_transient( 'mc_allowed_origins' );
$origin = str_replace( array( 'http://', 'https://' ), '', get_http_origin() );
if ( $cache ) {
$allowed = $cache;
} else {
$sites = ( function_exists( 'get_sites' ) ) ? get_sites() : array();
/**
* Filter what sites are allowed CORS access.
*
* @hook mc_setup_allowed_sites
*
* @param {array} $allowed URLs permitted access. Default empty array.
* @param {string} $origin HTTP origin passed.
*
* @return {array}
*/
$allowed = apply_filters( 'mc_setup_allowed_sites', array(), $origin );
if ( ! empty( $sites ) ) {
foreach ( $sites as $site ) {
$allowed[] = str_replace( array( 'http://', 'https://' ), '', get_home_url( $site->blog_id ) );
}
}
set_transient( 'mc_allowed_origins', $allowed, MONTH_IN_SECONDS );
}
if ( $origin && is_array( $allowed ) && in_array( $origin, $allowed, true ) ) {
header( 'Access-Control-Allow-Origin: ' . esc_url_raw( $origin ) );
header( 'Access-Control-Allow-Methods: GET' );
header( 'Access-Control-Allow-Credentials: true' );
}
}
add_action( 'send_headers', 'mc_setup_cors_access' );
/**
* Register post meta field used by calendar page manager metabox.
*/
function mc_register_meta() {
register_post_meta(
'page',
'_mc_calendar',
array(
'show_in_rest' => array(
'schema' => array(
'type' => 'object',
'properties' => array(
'shortcode' => array(
'type' => 'string',
),
),
'additionalProperties' => array(
'type' => 'string',
),
'items' => array(
'type' => 'string',
),
),
),
'single' => true,
'type' => 'array',
'auth_callback' => 'mc_can_update_meta',
)
);
}
add_action( 'init', 'mc_register_meta' );
/**
* Verify if a user can edit meta fields.
*/
function mc_can_update_meta() {
return current_user_can( 'edit_posts' );
}
/**
* Set an option indicating that a job has been scheduled for promoting My Calendar Pro.
*/
function mc_schedule_promotion() {
if ( ! function_exists( 'mcs_submissions' ) && '1' === get_option( 'mc_promotion_scheduled' ) ) {
update_option( 'mc_promotion_scheduled', '2' );
}
}
add_action( 'mc_schedule_promotion_action', 'mc_schedule_promotion' );
/**
* Dismiss promotion notice.
*/
function mc_dismiss_promotion() {
if ( isset( $_GET['dismiss'] ) && 'promotion' === $_GET['dismiss'] ) {
update_option( 'mc_promotion_scheduled', '3' );
}
}
add_action( 'admin_notices', 'mc_dismiss_promotion', 5 );
/**
* Display promotion notice to admin users who have not donated or purchased My Calendar Pro.
*/
function mc_promotion_notice() {
if ( function_exists( 'mcs_submissions' ) ) {
return;
}
if ( current_user_can( 'activate_plugins' ) && '2' === get_option( 'mc_promotion_scheduled' ) ) {
$upgrade = 'https://www.joedolson.com/awesome/my-calendar-pro/';
$dismiss = admin_url( 'admin.php?page=my-calendar-config&dismiss=promotion' );
// Translators: URL to upgrade.
echo "<div class='notice mc-promotion'><p><img src='" . plugins_url( 'images/awd-logo-disc.png', __FILE__ ) . "' alt='Joe Dolson Accessible Web Design' /><span>" . sprintf( __( 'I hope you\'ve enjoyed <strong>My Calendar</strong>! Take a look at <a href=\'%1$s\'>upgrading to My Calendar Pro</a> for advanced event management with WordPress! <a href=\'%2$s\' class="button-secondary">Dismiss</a>', 'my-calendar' ), $upgrade, $dismiss ) . '</span></p></div>';
}
}
add_action( 'admin_notices', 'mc_promotion_notice', 10 );
/**
* Schedule a promotional banner for My Calendar Pro if not present.
*/
function mc_schedule_promotions() {
if ( ! function_exists( 'mcs_submissions' ) ) {
if ( false === get_option( 'mc_promotion_scheduled', false ) ) {
// Promote Pro eight weeks after first event.
wp_schedule_single_event( time() + ( 60 * 60 * 24 * 7 * 8 ), 'mc_schedule_promotion_action' );
update_option( 'mc_promotion_scheduled', '1' );
}
if ( '3' === get_option( 'wpt_promotion_scheduled' ) ) {
// Schedule an additional promotion for 1 year after event created following previous promotion.
wp_schedule_single_event( YEAR_IN_SECONDS, 'mc_schedule_promotion_action' );
update_option( 'mc_promotion_scheduled', '1' );
}
}
}