wpsstm-core-user.php

<?php

class WPSSTM_Core_User{

    static $favorites_tracklist_usermeta_key = 'wpsstm_favorites_tracklist_id';
    static $loved_tracklist_meta_key = 'wpsstm_user_favorite';

    /*
    Get the ID of the 'favorite tracks' tracklist for a user, or create it and store option
    */

    public static function get_user_favtracks_playlist_id($user_id = null){
        if (!$user_id) $user_id = get_current_user_id();
        if (!$user_id) return;

        $love_id = get_user_option( self::$favorites_tracklist_usermeta_key, $user_id );

        //usermeta exists but tracklist does not
        if ( $love_id && !get_post_type($love_id) ){
            delete_user_option( $user_id, self::$favorites_tracklist_usermeta_key );
            $love_id = null;
        }

        return $love_id;

    }

    /*
    Get the IDs of the 'favorite tracks' tracklists for everyone
    */

    static function get_sitewide_favtracks_playlist_ids(){
        global $wpdb;
        //get all subtracks metas
        $querystr = $wpdb->prepare( "SELECT meta_value FROM $wpdb->usermeta WHERE meta_key = '%s'", 'wp_' . self::$favorites_tracklist_usermeta_key );

        $ids = $wpdb->get_col( $querystr);
        return $ids;
    }

    /*
    Get the IDs of the favorite tracklists, enventually filtered by a user
    */

    static function get_favorited_tracklist_ids($user_id = null){
        global $wpdb;
        //get all subtracks metas
        $querystr = $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '%s'", WPSSTM_Core_User::$loved_tracklist_meta_key );

        if ($user_id){
            $querystr .= $wpdb->prepare( " AND meta_value = '%s'", $user_id );
        }

        $ids = $wpdb->get_col( $querystr);
        return $ids;

    }


    /*
    create new tracklist
    */
    public static function create_user_favtracks_playlist($user_id = null){

        if (!$user_id) $user_id = get_current_user_id();
        if (!$user_id) return;

        //capability check
        $post_type_obj = get_post_type_object(wpsstm()->post_type_playlist);
        $required_cap = $post_type_obj->cap->create_posts;
        if ( !current_user_can($required_cap) ){
            return new WP_Error( 'wpsstm_track_no_edit_cap', __("You don't have the capability required to create tracklists.",'wpsstm') );
        }

        //user
        $user_info = get_userdata($user_id);

        $playlist_new_args = array(
            'post_type'     => wpsstm()->post_type_playlist,
            'post_status'   => 'publish',
            'post_author'   => $user_id,
            'post_title'    => sprintf(__("%s's favorites tracks",'wpsstm'),$user_info->user_login)
        );

        $success = wp_insert_post( $playlist_new_args, true );
        if ( is_wp_error($success) ) return $success;

        $love_id = $success;
        $meta = update_user_option( $user_id, self::$favorites_tracklist_usermeta_key, $love_id);

        //add to favorites
        $tracklist = new WPSSTM_Post_Tracklist($love_id);
        $tracklist->love_tracklist(true);

        WP_SoundSystem::debug_log(array('user_id'=>$user_id,'post_id'=>$love_id,'meta'=>$meta),'created favorites tracklist');

        return $love_id;
    }

    public static function can_manage_playlists($user_id = null){

        if (!$user_id) $user_id = get_current_user_id();
        if (!$user_id) return;

        $post_type_obj = get_post_type_object(wpsstm()->post_type_playlist);
        return user_can( $user_id, $post_type_obj->cap->edit_posts);

    }

}