<?php

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

function smarty_function_datetime_range($params, $smarty)
{
    global $prefs;
    $smarty = TikiLib::lib('smarty');
    $smarty->loadPlugin('smarty_modifier_tiki_date_format');

    if (! is_array($params) || ! isset($params['from']) || ! isset($params['to'])) {
        trigger_error(tra("Missing 'to' or 'from' parameter"));
        return;
    }

    if ($params['datetime_separator']) {
        $datetime_separator = tra($params['datetime_separator']);
    } else {
        $datetime_separator = tra("at");
    }

    if ($params['range_separator']) {
        $range_separator = tra($params['range_separator']);
    } else {
        $range_separator = tra("to");
    }

    if ($params['type'] == 'long') {
        $fromDate = smarty_modifier_tiki_date_format($params['from'], $prefs['long_date_format']);
        $fromTime = smarty_modifier_tiki_date_format($params['from'], $prefs['long_time_format']);
        $toDate = smarty_modifier_tiki_date_format($params['to'], $prefs['long_date_format']);
        $toTime = smarty_modifier_tiki_date_format($params['to'], $prefs['long_time_format']);
    } else {
        $fromDate = smarty_modifier_tiki_date_format($params['from'], $prefs['short_date_format']);
        $fromTime = smarty_modifier_tiki_date_format($params['from'], $prefs['short_time_format']);
        $toDate = smarty_modifier_tiki_date_format($params['to'], $prefs['short_date_format']);
        $toTime = smarty_modifier_tiki_date_format($params['to'], $prefs['short_time_format']);
    }

    if ($fromDate == $toDate && $prefs['tiki_same_day_time_only'] == 'y') {
        $range = $fromDate . ' ' . $datetime_separator . ' ' . $fromTime . ' ' . $range_separator . ' ' . $toTime;
    } else {
        $range = $fromDate . ' ' . $datetime_separator . ' ' . $fromTime . ' ' . $range_separator . ' ' . $toDate . ' ' . $datetime_separator . ' ' . $toTime;
    }
    return $range;
}