<?php

if (!defined('ABSPATH')) {
    exit;
}

if (!class_exists('gdbbp_Error')) {
    class gdbbp_Error {
        var $errors = array();

        function __construct() {
        }

        function add($code, $message, $data) {
            $this->errors[$code][] = array($message, $data);
        }
    }
}

if (!function_exists('d4p_bbpress_get_user_roles')) {
    function d4p_bbpress_get_user_roles() {
        $roles = array();

        $dynamic_roles = bbp_get_dynamic_roles();

        foreach ($dynamic_roles as $role => $obj) {
            $roles[$role] = $obj['name'];
        }

        return $roles;
    }
}

if (!function_exists('d4p_has_bbpress')) {
    function d4p_has_bbpress() {
        if (function_exists('bbp_version')) {
            $version = bbp_get_version();
            $version = intval(substr(str_replace('.', '', $version), 0, 2));

            return $version > 22;
        } else {
            return false;
        }
    }
}

if (!function_exists('d4p_bbpress_version')) {
    function d4p_bbpress_version($ret = 'code') {
        if (!d4p_has_bbpress()) {
            return null;
        }

        $version = bbp_get_version();

        if (isset($version)) {
            if ($ret == 'code') {
                return substr(str_replace('.', '', $version), 0, 2);
            } else {
                return $version;
            }
        }

        return null;
    }
}

if (!function_exists('d4p_is_bbpress')) {
    function d4p_is_bbpress() {
        $is = d4p_has_bbpress() ? is_bbpress() : false;

        return apply_filters('d4p_is_bbpress', $is);
    }
}

if (!function_exists('d4p_is_user_moderator')) {
    function d4p_is_user_moderator() {
        global $current_user;

        if (is_array($current_user->roles)) {
            return in_array('bbp_moderator', $current_user->roles);
        } else {
            return false;
        }
    }
}

if (!function_exists('d4p_is_user_admin')) {
    function d4p_is_user_admin() {
        global $current_user;

        if (is_array($current_user->roles)) {
            return in_array('administrator', $current_user->roles);
        } else {
            return false;
        }
    }
}

if (!function_exists('d4p_url_campaign_tracking')) {
    function d4p_url_campaign_tracking($url, $campaign = '', $medium = '', $content = '', $term = '', $source = null) {
        if (!empty($campaign)) {
            $url = add_query_arg('utm_campaign', $campaign, $url);
        }

        if (!empty($medium)) {
            $url = add_query_arg('utm_medium', $medium, $url);
        }

        if (!empty($content)) {
            $url = add_query_arg('utm_content', $content, $url);
        }

        if (!empty($term)) {
            $url = add_query_arg('utm_term', $term, $url);
        }

        if (is_null($source)) {
            $source = parse_url(get_bloginfo('url'), PHP_URL_HOST);
        }

        if (!empty($source)) {
            $url = add_query_arg('utm_source', $source, $url);
        }

        return $url;
    }
}