Current File : //etc/apache2/sites-available/crm_new/modules/vCals/vCal.php
<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
* SugarCRM Community Edition is a customer relationship management program developed by
* SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License version 3 as published by the
* Free Software Foundation with the addition of the following permission added
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License along with
* this program; if not, see http://www.gnu.org/licenses or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*
* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License version 3.
*
* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* SugarCRM" logo. If the display of the logo is not reasonably feasible for
* technical reasons, the Appropriate Legal Notices must display the words
* "Powered by SugarCRM".
********************************************************************************/
require_once('modules/Calendar/Calendar.php');
class vCal extends SugarBean {
// Stored fields
var $id;
var $date_modified;
var $user_id;
var $content;
var $deleted;
var $type;
var $source;
var $module_dir = "vCals";
var $table_name = "vcals";
var $object_name = "vCal";
var $new_schema = true;
var $field_defs = array(
);
// This is used to retrieve related fields from form posts.
var $additional_column_fields = Array();
const UTC_FORMAT = 'Ymd\THi00\Z';
const EOL = "\r\n";
const TAB = "\t";
const CHARSPERLINE = 75;
function vCal()
{
parent::SugarBean();
$this->disable_row_level_security = true;
}
function get_summary_text()
{
return "";
}
function fill_in_additional_list_fields()
{
}
function fill_in_additional_detail_fields()
{
}
function get_list_view_data()
{
}
// combines all freebusy vcals and returns just the FREEBUSY lines as a string
function get_freebusy_lines_cache(&$user_bean)
{
$ical_array = array();
// First, get the list of IDs.
$query = "SELECT id from vcals where user_id='{$user_bean->id}' AND type='vfb' AND deleted=0";
$vcal_arr = $this->build_related_list($query, new vCal());
foreach ($vcal_arr as $focus)
{
if (empty($focus->content))
{
return '';
}
$ical_arr = self::create_ical_array_from_string($focus->content);
$ical_array = array_merge($ical_array, $ical_arr);
}
return self::create_ical_string_from_array($ical_array);
}
// query and create the FREEBUSY lines for SugarCRM Meetings and Calls and
// return the string
function create_sugar_freebusy($user_bean, $start_date_time, $end_date_time)
{
$ical_array = array();
global $DO_USER_TIME_OFFSET,$timedate;
$DO_USER_TIME_OFFSET = true;
if(empty($GLOBALS['current_user']) || empty($GLOBALS['current_user']->id)) {
$GLOBALS['current_user'] = $user_bean;
}
// get activities.. queries Meetings and Calls
$acts_arr =
CalendarActivity::get_activities($user_bean->id,
array("show_calls" => true),
$start_date_time,
$end_date_time,
'freebusy');
// loop thru each activity, get start/end time in UTC, and return FREEBUSY strings
foreach($acts_arr as $act)
{
$startTimeUTC = $act->start_time->format(self::UTC_FORMAT);
$endTimeUTC = $act->end_time->format(self::UTC_FORMAT);
$ical_array[] = array("FREEBUSY", $startTimeUTC ."/". $endTimeUTC);
}
return self::create_ical_string_from_array($ical_array);
}
// return a freebusy vcal string
function get_vcal_freebusy($user_focus,$cached=true)
{
global $locale, $timedate;
$ical_array = array();
$ical_array[] = array("BEGIN", "VCALENDAR");
$ical_array[] = array("VERSION", "2.0");
$ical_array[] = array("PRODID", "-//SugarCRM//SugarCRM Calendar//EN");
$ical_array[] = array("BEGIN", "VFREEBUSY");
$name = $locale->getLocaleFormattedName($user_focus->first_name, $user_focus->last_name);
$email = $user_focus->email1;
// get current date for the user
$now_date_time = $timedate->getNow(true);
// get start date ( 1 day ago )
$start_date_time = $now_date_time->get("yesterday");
// get date 2 months from start date
global $sugar_config;
$timeOffset = 2;
if (isset($sugar_config['vcal_time']) && $sugar_config['vcal_time'] != 0 && $sugar_config['vcal_time'] < 13)
{
$timeOffset = $sugar_config['vcal_time'];
}
$end_date_time = $start_date_time->get("+$timeOffset months");
// get UTC time format
$utc_start_time = $start_date_time->asDb();
$utc_end_time = $end_date_time->asDb();
$utc_now_time = $now_date_time->asDb();
$ical_array[] = array("ORGANIZER;CN=$name", "VFREEBUSY");
$ical_array[] = array("DTSTART", $utc_start_time);
$ical_array[] = array("DTEND", $utc_end_time);
$str = self::create_ical_string_from_array($ical_array);
// now insert the freebusy lines
// retrieve cached freebusy lines from vcals
if ($timeOffset != 0)
{
if ($cached == true)
{
$str .= $this->get_freebusy_lines_cache($user_focus);
}
// generate freebusy from Meetings and Calls
else
{
$str .= $this->create_sugar_freebusy($user_focus,$start_date_time,$end_date_time);
}
}
// UID:20030724T213406Z-10358-1000-1-12@phoenix
$str .= self::fold_ical_lines("DTSTAMP", $utc_now_time) . self::EOL;
$str .= "END:VFREEBUSY".self::EOL;
$str .= "END:VCALENDAR".self::EOL;
return $str;
}
// static function:
// cache vcals
function cache_sugar_vcal(&$user_focus)
{
self::cache_sugar_vcal_freebusy($user_focus);
}
// static function:
// caches vcal for Activities in Sugar database
function cache_sugar_vcal_freebusy(&$user_focus)
{
$focus = new vCal();
// set freebusy members and save
$arr = array('user_id'=>$user_focus->id,'type'=>'vfb','source'=>'sugar');
$focus->retrieve_by_string_fields($arr);
$focus->content = $focus->get_vcal_freebusy($user_focus,false);
$focus->type = 'vfb';
$focus->date_modified = null;
$focus->source = 'sugar';
$focus->user_id = $user_focus->id;
$focus->save();
}
/*
* Lines of text SHOULD NOT be longer than 75 octets, excluding the line break.
* Long content lines SHOULD be split into a multiple line representations using a line "folding" technique
*/
public static function fold_ical_lines($key, $value)
{
$iCalValue = $key . ":" . $value;
if (strlen($iCalValue) <= self::CHARSPERLINE) {
return $iCalValue;
}
$firstchars = substr($iCalValue, 0, self::CHARSPERLINE);
$remainingchars = substr($iCalValue, self::CHARSPERLINE);
$end = self::EOL . self::TAB;
$remainingchars = substr(
chunk_split(
$end . $remainingchars,
self::CHARSPERLINE + strlen(self::EOL),
$end
),
0,
-strlen($end) // exclude last EOL and TAB chars
);
return $firstchars . $remainingchars;
}
/**
* this function takes an iCal string and converts it to iCal array while following RFC rules
*/
public static function create_ical_array_from_string($ical_string)
{
$ical_string = preg_replace("/\r\n\s+/", "", $ical_string);
$lines = preg_split("/\r?\n/", $ical_string);
$ical_array = array();
foreach ($lines as $line) {
$line = self::unescape_ical_chars($line);
$line = explode(":", $line, 2);
if (count($line) != 2) {
continue;
}
$ical_array[] = array($line[0], $line[1]);
}
return $ical_array;
}
/**
* this function takes an iCal array and converts it to iCal string while following RFC rules
*/
public static function create_ical_string_from_array($ical_array)
{
$str = "";
foreach ($ical_array as $ical) {
$str .= self::fold_ical_lines($ical[0], self::escape_ical_chars($ical[1])) . self::EOL;
}
return $str;
}
/**
* escape iCal chars as per RFC 5545: http://tools.ietf.org/html/rfc5545#section-3.3.11
*
* @param string $string string to escape chars
* @return escaped string
*/
public static function escape_ical_chars($string)
{
$string = str_replace(array("\\", "\r", "\n", ";", ","), array("\\\\", "\\r", "\\n", "\\;", "\\,"), $string);
return $string;
}
/**
* unescape iCal chars as per RFC 5545: http://tools.ietf.org/html/rfc5545#section-3.3.11
*
* @param string $string string to escape chars
* @return unescaped string
*/
public static function unescape_ical_chars($string)
{
$string = str_replace(array("\\r", "\\n", "\\;", "\\,", "\\\\"), array("\r", "\n", ";", ",", "\\"), $string);
return $string;
}
/**
* get ics file content for meeting invite email
*/
public static function get_ical_event(SugarBean $bean, User $user){
global $timedate;
$ical_array = array();
$ical_array[] = array("BEGIN", "VCALENDAR");
$ical_array[] = array("VERSION", "2.0");
$ical_array[] = array("PRODID", "-//SugarCRM//SugarCRM Calendar//EN");
$ical_array[] = array("BEGIN", "VEVENT");
$ical_array[] = array("UID", $bean->id);
$ical_array[] = array("ORGANIZED;CN=" . $user->full_name, $user->email1);
$ical_array[] = array("DTSTART", $timedate->fromDb($bean->date_start)->format(self::UTC_FORMAT));
$ical_array[] = array("DTEND", $timedate->fromDb($bean->date_end)->format(self::UTC_FORMAT));
$ical_array[] = array(
"DTSTAMP",
$GLOBALS['timedate']->getNow(false)->format(self::UTC_FORMAT)
);
$ical_array[] = array("SUMMARY", $bean->name);
$ical_array[] = array("LOCATION", $bean->location);
$descPrepend = empty($bean->join_url) ? "" : $bean->join_url . self::EOL . self::EOL;
$ical_array[] = array("DESCRIPTION", $descPrepend . $bean->description);
$ical_array[] = array("END", "VEVENT");
$ical_array[] = array("END", "VCALENDAR");
return self::create_ical_string_from_array($ical_array);
}
}
?>
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