Ticket #5644: bp-custom.php

<?php
/**
 * Here's an example on how to completely override Favorites to behave as likes
 */

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;


class BP_Custom_Like {

        public static function start() {
                // Bail if activity component is inactive
                if ( ! bp_is_active( 'activity' ) ) {
                        return;
                }

                $bp = buddypress();

                if ( empty( $bp->custom_like ) ) {
                        $bp->custom_like = new self;
                }

                return $bp->custom_like;
        }

        public function __construct() {
                $this->setup_hooks();
        }

        public function setup_hooks() {
                // First remove the setting screen
                add_filter( 'bp_activity_favorites_user_settings', '__return_false' );

                // Force favorites to be public
                add_filter( 'bp_activity_favorites_privacy', '__return_true' );

                // Define your custom strings
                add_filter( 'bp_activity_favorites_globals', array( $this, 'like_strings' ), 10, 1 );

                // Change the unfav link to go to user's likes instead of unfavoriting the activity
                add_filter( 'bp_get_activity_unfavorite_link', array( $this, 'user_likes' ), 10, 1 );

                // Neutralize unfav ajax action
                add_filter( 'bp_core_get_js_strings', array( $this, 'neutralize_unfav' ), 10, 1 );
        }

        public function like_strings( $strings = array() ) {
                return array(
                        // Activity action args
                        'description'   => _x( 'Liked an update', 'likes activity description', 'bp-custom-like' ),
                        'label'         => _x( 'Likes', 'likes activity dropdown label', 'bp-custom-like' ),
                        // Wether you want to show the favorites in Activity Directory / group single item activities, 
                        // member single item activities, or the groups tab of member single item activities
                        'contexts'      => array( 'activity', 'group', 'member', 'member_groups' ),
                        // Strings
                        'directory_tab' => _x( 'My Likes', 'likes directory tab', 'bp-custom-like' ),
                        // The action button in activity stream to favorite an update
                        'fav_button'    => _x( 'Like', 'like button caption', 'bp-custom-like' ),
                        // The action button in activity stream to remove a favorited update
                        'unfav_button'  => _x( 'Liked', 'liked button caption', 'bp-custom-like' ),
                        // Nav name
                        'subnav'        => _x( 'Likes', 'likes member subnav', 'bp-custom-like' ),
                        // Slug
                        'slug'          => 'likes'
                );
        }

        public function user_likes( $unfav_link = '' ) {
                return bp_core_get_user_domain( bp_loggedin_user_id() ) . bp_get_activity_slug() . '/' . bp_get_activity_favorites_slug();
        }

        public function neutralize_unfav( $params = array() ) {
                $params['no_unfav'] = 1;
                return $params;
        }
}
add_action( 'bp_core_components_included', array( 'BP_Custom_Like', 'start' ), 10 );