这是关于类别的用户订阅的帖子的通知，但我需要对自定义分类法的想法。或自定义帖子类型。
我是否需要在第98行将“get_categories”更改为“get_taxonomies”，或者我需要做什么或者还需要更改什么？
<?php
// load textdomain
load_plugin_textdomain('npn_plugin', false, basename( dirname( __FILE__ ) ) . '/languages' );
// Do something when a post gets published //
add_filter ( 'publish_post', 'npn_notify' );
// Use HTML-Mails
add_filter('wp_mail_content_type',create_function('', 'return "text/html"; '));
function npn_notify($post_ID) {
// get the Userdata //
$meta_query = new WP_Query( array( 'meta_key' => 'npn_post_notify', 'meta_value' => '1' ) );
$args = array(
'meta_query' => $meta_query,
);
$users = get_users( );
// get the postobject //
$postobject = get_post($post_ID);
$postcontent = get_post_field('post_content', $post_ID);
$postthumb = get_the_post_thumbnail( $post_ID, 'medium');
// get allowed groups to access post //
$allowed_groups = npn_get_allowed_groups($post_ID);
// Go through the users and check the access //
foreach ($users as $user){
$access = false;
if (empty($allowed_groups)) $access = true; // always notify every user on public posts
foreach ($user->caps as $key => $value){ // assigned capabilities to certain user
if (in_array($key,$allowed_groups) AND $value == 1) $access = true; // check if user is in the right user-group
if ($key == 'administrator') $access = true; // Admins always get a mail.
}
// Check if category is chosen by user
$user_cats = get_user_meta($user->ID, 'npn_mailnotify_category');
$cat_chosen = false;
if ($user_cats[0]=='') {
$cat_chosen = true;
}
else
{
foreach ($postobject->post_category as $postcats) {
if (in_array($postcats,explode(',',$user_cats[0]))) $cat_chosen = true;
}
}
// send Mail if User activated Notification and there was no notification before.
if ($access==true AND $cat_chosen==true AND get_the_author_meta( 'npn_mailnotify', $user->ID )=='1' AND get_post_meta( $post_ID, 'npn_notified', true) != '1') wp_mail( $user->data->user_email, '['.get_option('blogname').'] '.__('New Post','npn_plugin').': '.$postobject->post_title, npn_generate_mail_content($postobject,$postcontent,$postthumb,$user->ID));
}
update_post_meta($post_ID, 'npn_notified', '1', true);
return $post_ID;
}
function npn_get_allowed_groups($postID){
global $wpdb;
$allowed_group_ids = $wpdb->get_results( "SELECT group_id FROM ".$wpdb->prefix."uam_accessgroup_to_object WHERE object_id = ".$postID." AND object_type = 'post' ");
$allowed_group_names = array();
foreach ($allowed_group_ids as $group) {
array_push($allowed_group_names,npn_get_group_name($group->group_id));
}
return $allowed_group_names;
}
function npn_get_group_name($groupID){
global $wpdb;
$groupname = $wpdb->get_results( "SELECT object_id FROM ".$wpdb->prefix."uam_accessgroup_to_object WHERE group_id = ".$groupID." AND object_type = 'role' ");
return $groupname[0]->object_id;
}
function npn_generate_mail_content($postobject,$postcontent,$postthumb,$userid){
$userdata = get_userdata($userid);
$authordata = get_userdata($postobject->post_author);
$mailcontent = __('Hello','npn_plugin').' '.$userdata->first_name.',<br>';
$mailcontent .= $authordata->first_name.' '.__('published a new post','npn_plugin').' '.__('at','npn_plugin').' '.get_option('blogname').':<br>';
$mailcontent .= '<h2><a href="'.$postobject->guid.'&refferer=mailnotify&uid='.$userid.'">'.$postobject->post_title.'</a></h2>'.implode(' ', array_slice(explode(' ', $postcontent), 0, 40)).' <a href="'.$postobject->guid.'&refferer=mailnotify&uid='.$userid.'">[...]</a>';
$mailcontent .= '<br><br><small>'.__('You can deactivate the subscription in your','npn_plugin').' <a href="'.get_bloginfo('wpurl').'/wp-admin/profile.php">'.__('Profile','npn_plugin').'</a> .'.__('It is also possible to choose categories.','npn_plugin').'</small>';
return $mailcontent;
}
// Settings in Profile //
function npn_add_custom_user_profile_fields( $user ) {
if (get_the_author_meta( 'npn_mailnotify', $user->ID ) == '1') $checked = 'checked'; else $checked = '';
// $categories = get_taxonomies( array('hide_empty'=>0, 'order_by'=>'name') );
$categories = get_categories( array('hide_empty'=>0, 'order_by'=>'name') );
$user_cats = get_user_meta($user->ID, 'npn_mailnotify_category');
?>
<h3><?php _e('Notificationservice','npn_plugin'); ?></h3>
<table class="form-table">
<tr>
<th>
<label for="npn_mailnotify"><?php _e('Email Subscription','npn_plugin'); ?></label>
</th>
<td>
<input type="checkbox" name="npn_mailnotify" id="npn_mailnotify" value="1" <?php echo $checked; ?>/>
<span class="description"><?php _e('Notify me via email if a new post is published. ','npn_plugin'); echo(' '); _e('If you don\'t want to get all the stuff, choose your categories below. ','npn_plugin'); echo(' '); _e('Choosing none means getting all. ','npn_plugin'); ?></span>
</td>
</tr>
<?php
foreach ($categories as $category) {
$category_checked='';
if (in_array($category->cat_ID,explode(',',$user_cats[0]))) $category_checked='checked';
?>
</tr>
<th>
<label for="npn_mailnotify_category_<?php echo($category->name); ?>"><?php echo($category->name); ?></label>
</th>
<td>
<input type="checkbox" name="npn_mailnotify_category[]" id="npn_mailnotify_category_<?php echo($category->name); ?>" value="<?php echo($category->cat_ID); ?>" <?php echo $category_checked; ?>/>
<span class="description"><?php echo($category->description); ?></span>
</td>
</tr>
<?php
}
?>
</table>
<?php }
function npn_save_custom_user_profile_fields( $user_id ) {
if ( !current_user_can( 'edit_user', $user_id ) )
return FALSE;
// Notify the Administrator if anybody activates or deactivates the nofifications.
$user = get_userdata($user_id);
$usermeta = get_user_meta($user_id, 'npn_mailnotify');
if ($_POST['npn_mailnotify']=='1' AND $usermeta[0] !='1') wp_mail(get_option('admin_email'),$user->first_name.' '.__('activated subscription to posts.','npn_plugin'),$user->first_name.' '.$user->last_name);
if ($_POST['npn_mailnotify']!='1' AND $usermeta[0] =='1') wp_mail(get_option('admin_email'),$user->first_name.' '.__('deactivated subscription to posts.','npn_plugin'),$user->first_name.' '.$user->last_name);
if(isset($_POST['npn_mailnotify'])){
update_usermeta( $user_id, 'npn_mailnotify', $_POST['npn_mailnotify']);
}
else
{
update_usermeta( $user_id, 'npn_mailnotify', '0');
}
if(isset($_POST['npn_mailnotify_category'])){
update_usermeta( $user_id, 'npn_mailnotify_category', implode(',',$_POST['npn_mailnotify_category']));
}
else
{
update_usermeta( $user_id, 'npn_mailnotify_category', '');
}
}
add_action( 'show_user_profile', 'npn_add_custom_user_profile_fields' );
add_action( 'edit_user_profile', 'npn_add_custom_user_profile_fields' );
add_action( 'personal_options_update', 'npn_save_custom_user_profile_fields' );
add_action( 'edit_user_profile_update', 'npn_save_custom_user_profile_fields' );
// adds mailnotify abo when user registeres //
add_action('user_register', 'npn_defaultnotify');
function npn_defaultnotify($user_id) {
add_user_meta( $user_id, 'npn_mailnotify', '1' );
}
// adds extra column in user_table
add_filter('manage_users_columns', 'npn_add_mailnotify_column');
function npn_add_mailnotify_column($columns) {
$columns['npn_mailnotify'] = __('Mail subscription','npn_plugin');
return $columns;
}
add_action('manage_users_custom_column', 'npn_add_mailnotify_column_content', 10, 3);
function npn_add_mailnotify_column_content($value, $column_name, $user_id) {
$user = get_userdata( $user_id );
if ( 'npn_mailnotify' == $column_name ){
$mailstatus = get_user_meta($user_id, 'npn_mailnotify');
$user_cats = get_user_meta($user->ID, 'npn_mailnotify_category');
if ($mailstatus[0]=='1') {
$user_cats = explode(',',$user_cats[0]);
$out = '';
foreach ($user_cats as $category){
$out .= get_cat_name($category).', ';
}
if ($out == ', ') {return __('All categories','npn_plugin');} else return $out;
}
else
{
return __('not active','npn_plugin');
}
}
return $value;
}
/* Not yet active.
// activate subscription to all users when first activating the plugin
register_activation_hook(__FILE__,'npn_activate_subscription');
function npn_activate_subscription(){
$users = get_users( );
foreach ($users as $user){
$subscription_status = get_user_meta($user->ID,'npn_mailnotify');
if ($subscription_status[0] != "0") add_user_meta($user->ID,'npn_mailnotify',"1");
}
}
*/
?>