From b1aaa3b6ca8894ac0422fb3aeadded29c2b83972 Mon Sep 17 00:00:00 2001 From: Jim Hu Date: Thu, 11 Dec 2008 23:48:39 +0000 Subject: add new files --- functions/init/configs.php | 60 ++++ functions/init/cpaths.php | 24 ++ functions/init/date_range.php | 39 ++ functions/init/sanitize.php | 101 ++++++ functions/init/set_error_reporting.php | 9 + functions/parse/end_vevent.php | 634 +++++++++++++++++++++++++++++++++ functions/parse/overlapping_events.php | 274 ++++++++++++++ functions/parse/parse_tzs.php | 64 ++++ 8 files changed, 1205 insertions(+) create mode 100644 functions/init/configs.php create mode 100644 functions/init/cpaths.php create mode 100644 functions/init/date_range.php create mode 100644 functions/init/sanitize.php create mode 100644 functions/init/set_error_reporting.php create mode 100644 functions/parse/end_vevent.php create mode 100644 functions/parse/overlapping_events.php create mode 100644 functions/parse/parse_tzs.php diff --git a/functions/init/configs.php b/functions/init/configs.php new file mode 100644 index 0000000..9cea67b --- /dev/null +++ b/functions/init/configs.php @@ -0,0 +1,60 @@ +$value) $phpiCal_config->setProperty($key, $value); +} +// Set the cookie URI. +if ($phpiCal_config->cookie_uri == '') { + $phpiCal_config->setProperty('cookie_uri', $_SERVER['SERVER_NAME'].substr($_SERVER['PHP_SELF'],0,strpos($_SERVER['PHP_SELF'], '/') ).'phpicalendar' ); +} + +if (isset($_COOKIE[$phpiCal_config->cookie_uri]) && !isset($_POST['unset'])) { + $phpicalendar = unserialize(stripslashes($_COOKIE[$cookie_name])); + if (isset($phpicalendar['cookie_language'])) $phpiCal_config->setProperty('language', $phpicalendar['cookie_language']); + if (isset($phpicalendar['cookie_calendar'])) $phpiCal_config->setProperty('default_cal_check', $phpicalendar['cookie_calendar']); + if (isset($phpicalendar['cookie_cpath'])) $phpiCal_config->setProperty('default_cpath_check', $phpicalendar['cookie_cpath']); + if (isset($phpicalendar['cookie_view'])) $phpiCal_config->setProperty('default_view', $phpicalendar['cookie_view']); + if (isset($phpicalendar['cookie_style']) && is_dir(BASE.'templates/'.$phpicalendar['cookie_style'].'/')){ + $phpiCal_config->setProperty('template', $phpicalendar['cookie_style']); + } + if (isset($phpicalendar['cookie_startday'])) $phpiCal_config->setProperty('week_start_day', $phpicalendar['cookie_startday']); + if (isset($phpicalendar['cookie_time'])) $phpiCal_config->setProperty('day_start', $phpicalendar['cookie_time']); +} + +# language support +# default to english and overwrite other strings as available +unset($lang); +include_once(BASE.'languages/english.inc.php'); +$language = strtolower($phpiCal_config->language); +$lang_file = BASE.'languages/'.$language.'.inc.php'; +if (is_file($lang_file)) { + include_once($lang_file); +} + +$template = $phpiCal_config->template; + +$fillTime = $phpiCal_config->day_start; +$day_array = array (); +while ($fillTime < $phpiCal_config->day_end) { + array_push ($day_array, $fillTime); + preg_match ('/([0-9]{2})([0-9]{2})/', $fillTime, $dTime); + $fill_h = $dTime[1]; + $fill_min = $dTime[2]; + $fill_min = sprintf('%02d', $fill_min + $phpiCal_config->gridLength); + if ($fill_min == 60) { + $fill_h = sprintf('%02d', ($fill_h + 1)); + $fill_min = '00'; + } + $fillTime = $fill_h . $fill_min; +} + + +/* +echo "
xx";
+print_r($configs);
+print_r($phpiCal_config);
+echo "
"; +#die; +*/ \ No newline at end of file diff --git a/functions/init/cpaths.php b/functions/init/cpaths.php new file mode 100644 index 0000000..fafc0ec --- /dev/null +++ b/functions/init/cpaths.php @@ -0,0 +1,24 @@ +calendar_path == '') { + $calendar_path = BASE.'calendars'; +}else $calendar_path = $phpiCal_config->calendar_path; +$cpath = ''; #initialize cpath to prevent later undef warnings. +if(isset($_REQUEST['cpath'])&& $_REQUEST['cpath'] !=''){ + $cpath = str_replace('..','',$_REQUEST['cpath']); + $calendar_path .= "/$cpath"; +# $tmp_dir .= "/$cpath"; +}elseif(isset($phpiCal_config->default_cpath_check) && $phpiCal_config->default_cpath_check !='' ){ + $cpath = str_replace('..','',$default_cpath_check); + $calendar_path .= "/$cpath"; +# $tmp_dir .= "/$cpath"; +} +#these need cpath to be set +#set up specific template folder for a particular cpath +if (isset($user_template["$cpath"])){ + $template = $user_template["$cpath"]; +} +#set up specific webcals for a particular cpath +if (isset($phpiCal_config->more_webcals) && is_array($phpiCal_config->more_webcals[$cpath])){ + $list_webcals = array_merge($phpiCal_config->list_webcals, $phpiCal_config->more_webcals["$cpath"]); +} diff --git a/functions/init/date_range.php b/functions/init/date_range.php new file mode 100644 index 0000000..565d0d1 --- /dev/null +++ b/functions/init/date_range.php @@ -0,0 +1,39 @@ + + * @param mixed $value Value to be sanitized + * @return mixed + */ +function recursiveSanitize($value) { + if (is_array($value)) { + $valmod = array(); + foreach ($value as $key => $subval) { + if (is_array($subval)) { + $subval = recursiveSanitize($subval); + } else { + $subval = strip_tags($subval); + } + $valmod[$key] = $subval; + } + $value = $valmod; + } else { + $value = strip_tags($value); + } + + return $value; +} + +if (!isset($_SERVER) && isset($HTTP_SERVER_VARS)) { + $_SERVER = &$HTTP_SERVER_VARS; +} + +foreach ($_REQUEST as $key=>$val){ + switch ($key){ + case 'event_data': + # modify this to allow or disallow different HTML tags in event popups + $allowed = "


    1. "; + $val = strip_tags($val,$allowed); + break; + default: + # cpath + $val = recursiveSanitize($val); + } + + $_REQUEST[$key] = $val; +} +foreach ($_POST as $key=>$val){ + switch ($key){ + case 'action': + $actions = array('login','logout','addupdate','delete'); + if (!in_array($val,$actions)) $val = ''; + break; + case 'date': + case 'time': + if (!is_numeric($val)) $val = ''; + break; + default: + $val = recursiveSanitize($val); + } + $_POST[$key] = $val; + +} +foreach ($_GET as $key=>$val){ + switch ($key){ + case 'cal': + if (!is_array($val)){ + $val = strip_tags($val); + $_GET['cal'] = strip_tags($val); + }else{ + unset ($_GET['cal']); + foreach($val as $cal){ + $_GET['cal'][]= strip_tags($cal); + } + } + break; + case 'getdate': + if (!is_numeric($val)) $val = ''; + break; + default: + $val = recursiveSanitize($val); + } + if ($key != 'cal') $_GET[$key] = $val; + +} +foreach ($_COOKIE as $key=>$val){ + switch ($key){ + case 'time': + if (!is_numeric($val)) $val = ''; + break; + default: + $val = recursiveSanitize($val); + } + $_COOKIE[$key] = $val; +} +?> \ No newline at end of file diff --git a/functions/init/set_error_reporting.php b/functions/init/set_error_reporting.php new file mode 100644 index 0000000..91e491d --- /dev/null +++ b/functions/init/set_error_reporting.php @@ -0,0 +1,9 @@ + 2345) { + $allday_start = $start_date; + $allday_end = ($start_date + 1); + } +} + +# look for events that span more than one day +if (isset($start_unixtime,$end_unixtime) && date('Ymd',$start_unixtime) != date('Ymd',$end_unixtime)) { + $spans_day = true; + $bleed_check = (($start_unixtime - $end_unixtime) < (60*60*24)) ? '-1' : '0'; +} else { + $spans_day = false; + $bleed_check = 0; +} + +# get hour and minute adjusted to allowed grid times +if (isset($start_time) && $start_time != '') { + preg_match ('/([0-9]{2})([0-9]{2})/', $start_time, $time); + preg_match ('/([0-9]{2})([0-9]{2})/', $end_time, $time2); + if (isset($start_unixtime) && isset($end_unixtime)) { + $length = $end_unixtime - $start_unixtime; + } else { + $length = ($time2[1]*60+$time2[2]) - ($time[1]*60+$time[2]); + } + + $drawKey = drawEventTimes($start_time, $end_time); + preg_match ('/([0-9]{2})([0-9]{2})/', $drawKey['draw_start'], $time3); + $hour = $time3[1]; + $minute = $time3[2]; +} + +// RECURRENCE-ID Support +if (isset($recurrence_d)) { + + $recurrence_delete["$recurrence_d"]["$recurrence_t"] = $uid; +} + + +# treat nonrepeating events as rrule events with one instance +if (!isset($rrule_array) && $start_unixtime < $mArray_end && $end_unixtime > $mArray_begin){ + $rrule_array['FREQ'] = 'YEARLY'; + $rrule_array['START_DATE'] = $start_date; + $rrule_array['UNTIL'] = $start_date; + $rrule_array['END'] = 'end'; +} + + +if (isset($allday_start) && $allday_start != '') { + $hour = '-'; + $minute = '1'; + $rrule_array['START_DAY'] = $allday_start; + # $rrule_array['END_DAY'] = $allday_end; # this doesn't seem to be used anywhere. + $rrule_array['END'] = 'end'; + $recur_start = $allday_start; + $start_date = $allday_start; + if (isset($allday_end)) { + $diff_allday_days = dayCompare($allday_end, $allday_start); + } else { + $diff_allday_days = 1; + } +} else { + $rrule_array['START_DATE'] = $start_date; + $rrule_array['START_TIME'] = $start_time; + $rrule_array['END_TIME'] = $end_time; + $rrule_array['END'] = 'end'; +} + +$start_date_time = strtotime($start_date); +if (!isset($fromdate)){ + #this should happen if not in one of the rss views + $this_month_start_time = strtotime($this_year.$this_month.'01'); + if ($current_view == 'year' || ($save_parsed_cals == 'yes' && !$is_webcal)|| $current_view == 'print' && $printview == 'year') { + $start_range_time = strtotime($this_year.'-01-01 -2 weeks'); + $end_range_time = strtotime($this_year.'-12-31 +2 weeks'); + } else { + $start_range_time = strtotime('-1 month -2 day', $this_month_start_time); + $end_range_time = strtotime('+2 month +2 day', $this_month_start_time); + } +}else{ + $start_range_time = strtotime($fromdate); + $end_range_time = strtotime($todate)+60*60*24; +} + +$freq_type = 'year'; +foreach ($rrule_array as $key => $val) { + switch($key) { + case 'FREQ': + switch ($val) { + case 'YEARLY': $freq_type = 'year'; break; + case 'MONTHLY': $freq_type = 'month'; break; + case 'WEEKLY': $freq_type = 'week'; break; + case 'DAILY': $freq_type = 'day'; break; + case 'HOURLY': $freq_type = 'hour'; break; + case 'MINUTELY': $freq_type = 'minute'; break; + case 'SECONDLY': $freq_type = 'second'; break; + } + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = strtolower($val); + break; + case 'COUNT': + $count = $val; + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $count; + break; + case 'UNTIL': + $until = str_replace('T', '', $val); + $until = str_replace('Z', '', $until); + if (strlen($until) == 8) $until = $until.'235959'; + $abs_until = $until; + ereg ('([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})', $until, $regs); + $until = mktime($regs[4],$regs[5],$regs[6],$regs[2],$regs[3],$regs[1]); + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = localizeDate($dateFormat_week,$until); + break; + case 'INTERVAL': + if ($val > 0){ + $number = $val; + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $number; + } + break; + case 'BYSECOND': + $bysecond = $val; + $bysecond = split (',', $bysecond); + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bysecond; + break; + case 'BYMINUTE': + $byminute = $val; + $byminute = split (',', $byminute); + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byminute; + break; + case 'BYHOUR': + $byhour = $val; + $byhour = split (',', $byhour); + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byhour; + break; + case 'BYDAY': + $byday = $val; + $byday = split (',', $byday); + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byday; + break; + case 'BYMONTHDAY': + $bymonthday = $val; + $bymonthday = split (',', $bymonthday); + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bymonthday; + break; + case 'BYYEARDAY': + $byyearday = $val; + $byyearday = split (',', $byyearday); + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byyearday; + break; + case 'BYWEEKNO': + $byweekno = $val; + $byweekno = split (',', $byweekno); + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $byweekno; + break; + case 'BYMONTH': + $bymonth = $val; + $bymonth = split (',', $bymonth); + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bymonth; + break; + case 'BYSETPOS': + $bysetpos = $val; + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $bysetpos; + break; + case 'WKST': + $wkst = $val; + $recur_array[($start_date)][($hour.$minute)][$uid]['recur'][$key] = $wkst; + break; + case 'END': + + $recur = $recur_array[($start_date)][($hour.$minute)][$uid]['recur']; + + // Modify the COUNT based on BYDAY + if ((isset ($byday) && is_array($byday)) && (isset($count))) { + $blah = sizeof($byday); + $count = ($count / $blah); + unset ($blah); + } + + if (!isset($number)) $number = 1; + // if $until isn't set yet, we set it to the end of our range we're looking at + + if (!isset($until)) $until = $end_range_time; + if (!isset($abs_until)) $abs_until = date('YmdHis', $end_range_time); + $end_date_time = $until; + $start_range_time_tmp = $start_range_time; + $end_range_time_tmp = $end_range_time; + + // If the $end_range_time is less than the $start_date_time, or $start_range_time is greater + // than $end_date_time, we may as well forget the whole thing + // It doesn't do us any good to spend time adding data we aren't even looking at + // this will prevent the year view from taking way longer than it needs to + if ($end_range_time_tmp >= $start_date_time && $start_range_time_tmp <= $end_date_time) { + + // if the beginning of our range is less than the start of the item, we may as well set it equal to it + if ($start_range_time_tmp < $start_date_time){ + $start_range_time_tmp = $start_date_time; + } + if ($end_range_time_tmp > $end_date_time) $end_range_time_tmp = $end_date_time; + + // initialize the time we will increment + $next_range_time = $start_range_time_tmp; + + // FIXME: This is a hack to fix repetitions with $interval > 1 + if ($count > 1 && $number > 1) $count = 1 + ($count - 1) * $number; + + $count_to = 0; + // start at the $start_range and go until we hit the end of our range. + if(!isset($wkst)) $wkst='SU'; + $wkst3char = two2threeCharDays($wkst); + + # set first instance if it's in range + if ($start_unixtime < $mArray_end && $end_unixtime > $mArray_begin){ + $recur_data[] = $start_unixtime; + } + while (($next_range_time >= $start_range_time_tmp) && ($next_range_time <= $end_range_time_tmp) && ($count_to != $count)) { + $func = $freq_type.'Compare'; + $diff = $func(date('Ymd',$next_range_time), $start_date); + if ($diff < $count) { + if ($diff % $number == 0) { + $interval = $number; + switch ($rrule_array['FREQ']) { + case 'DAILY': + $next_date_time = $next_range_time; + $recur_data[] = $next_date_time; + break; + case 'WEEKLY': + // Populate $byday with the default day if it's not set. + if (!isset($byday)) { + $byday[] = strtoupper(substr(date('D', $start_date_time), 0, 2)); + } + if (is_array($byday)) { + foreach($byday as $day) { + $day = two2threeCharDays($day); + #need to find the first day of the appropriate week. + #dateOfweek uses weekstartday as a global variable. This has to be changed to $wkst, + #but then needs to be reset for other functions + $week_start_day_tmp = $week_start_day; + $week_start_day = $wkst3char; + + $the_sunday = dateOfWeek(date("Ymd",$next_range_time), $wkst3char); + $next_date_time = strtotime($day,strtotime($the_sunday)) + (12 * 60 * 60); + $week_start_day = $week_start_day_tmp; #see above reset to global value + + #reset $next_range_time to first instance in this week. + if ($next_date_time < $next_range_time){ + $next_range_time = $next_date_time; + } + // Since this renders events from $next_range_time to $next_range_time + 1 week, I need to handle intervals + // as well. This checks to see if $next_date_time is after $day_start (i.e., "next week"), and thus + // if we need to add $interval weeks to $next_date_time. + if ($next_date_time > strtotime($week_start_day, $next_range_time) && $interval > 1) { + # $next_date_time = strtotime('+'.($interval - 1).' '.$freq_type, $next_date_time); + } + $recur_data[] = $next_date_time; + } + } + break; + case 'MONTHLY': + if (empty($bymonth)) $bymonth = array(1,2,3,4,5,6,7,8,9,10,11,12); + $next_range_time = strtotime(date('Y-m-01', $next_range_time)); + $next_date_time = $next_date_time; + if (isset($bysetpos)){ + /* bysetpos code from dustinbutler + start on day 1 or last day. + if day matches any BYDAY the count is incremented. + SETPOS = 4, need 4th match + SETPOS = -1, need 1st match + */ + $year = date('Y', $next_range_time); + $month = date('m', $next_range_time); + if ($bysetpos > 0) { + $next_day = '+1 day'; + $day = 1; + } else { + $next_day = '-1 day'; + $day = $totalDays[$month]; + } + $day = mktime(0, 0, 0, $month, $day, $year); + $countMatch = 0; + while ($countMatch != abs($bysetpos)) { + /* Does this day match a BYDAY value? */ + $thisDay = $day; + $textDay = strtoupper(substr(date('D', $thisDay), 0, 2)); + if (in_array($textDay, $byday)) { + $countMatch++; + } + $day = strtotime($next_day, $thisDay); + } + $recur_data[] = $thisDay; + }elseif ((isset($bymonthday)) && (!isset($byday))) { + foreach($bymonthday as $day) { + if ($day < 0) $day = ((date('t', $next_range_time)) + ($day)) + 1; + $year = date('Y', $next_range_time); + $month = date('m', $next_range_time); + if (checkdate($month,$day,$year)) { + $next_date_time = mktime(0,0,0,$month,$day,$year); + $recur_data[] = $next_date_time; + } + } + } elseif (is_array($byday)) { + foreach($byday as $day) { + ereg ('([-\+]{0,1})?([0-9]{1})?([A-Z]{2})', $day, $byday_arr); + //Added for 2.0 when no modifier is set + if ($byday_arr[2] != '') { + $nth = $byday_arr[2]-1; + } else { + $nth = 0; + } + $on_day = two2threeCharDays($byday_arr[3]); + $on_day_num = two2threeCharDays($byday_arr[3],false); + if ((isset($byday_arr[1])) && ($byday_arr[1] == '-')) { + $last_day_tmp = date('t',$next_range_time); + $next_range_time = strtotime(date('Y-m-'.$last_day_tmp, $next_range_time)); + $last_tmp = (date('w',$next_range_time) == $on_day_num) ? '' : 'last '; + $next_date_time = strtotime($last_tmp.$on_day, $next_range_time) - ($nth * 604800); + $month = date('m', $next_date_time); + if (in_array($month, $bymonth)) { + $recur_data[] = $next_date_time; + } + #reset next_range_time to start of month + $next_range_time = strtotime(date('Y-m-'.'1', $next_range_time)); + + } elseif (isset($bymonthday) && (!empty($bymonthday))) { + // This supports MONTHLY where BYDAY and BYMONTH are both set + foreach($bymonthday as $day) { + $year = date('Y', $next_range_time); + $month = date('m', $next_range_time); + if (checkdate($month,$day,$year)) { + $next_date_time = mktime(0,0,0,$month,$day,$year); + $daday = strtolower(strftime("%a", $next_date_time)); + if ($daday == $on_day && in_array($month, $bymonth)) { + $recur_data[] = $next_date_time; + } + } + } + } elseif ((isset($byday_arr[1])) && ($byday_arr[1] != '-')) { + $next_date_time = strtotime($on_day, strtotime($on_day, $next_range_time) + $nth * 604800); + $month = date('m', $next_date_time); + if (in_array($month, $bymonth)) { + if (isset($next_date_time) && $next_date_time != '') $recur_data[] = $next_date_time; + } + } + $next_date = date('Ymd', $next_date_time); + } + } + break; + case 'YEARLY': + if ((!isset($bymonth)) || (sizeof($bymonth) == 0)) { + $m = date('m', $start_date_time); + $bymonth = array("$m"); + } + + foreach($bymonth as $month) { + // Make sure the month & year used is within the start/end_range. + if ($month < date('m', $next_range_time)) { + $year = date('Y', $next_range_time); + } else { + $year = date('Y', $next_range_time); + } + if (isset($bysetpos)){ + /* bysetpos code from dustinbutler + start on day 1 or last day. + if day matches any BYDAY the count is incremented. + SETPOS = 4, need 4th match + SETPOS = -1, need 1st match + */ + if ($bysetpos > 0) { + $next_day = '+1 day'; + $day = 1; + } else { + $next_day = '-1 day'; + $day = date("t",$month); + } + $day = mktime(12, 0, 0, $month, $day, $year); + $countMatch = 0; + while ($countMatch != abs($bysetpos)) { + /* Does this day match a BYDAY value? */ + $thisDay = $day; + $textDay = strtoupper(substr(date('D', $thisDay), 0, 2)); + if (in_array($textDay, $byday)) { + $countMatch++; + } + $day = strtotime($next_day, $thisDay); + } + $recur_data[] = $thisDay; + } + if ((isset($byday)) && (is_array($byday))) { + $checkdate_time = mktime(0,0,0,$month,1,$year); + foreach($byday as $day) { + ereg ('([-\+]{0,1})?([0-9]{1})?([A-Z]{2})', $day, $byday_arr); + if ($byday_arr[2] != '') { + $nth = $byday_arr[2]-1; + } else { + $nth = 0; + } + $on_day = two2threeCharDays($byday_arr[3]); + $on_day_num = two2threeCharDays($byday_arr[3],false); + if ($byday_arr[1] == '-') { + $last_day_tmp = date('t',$checkdate_time); + $checkdate_time = strtotime(date('Y-m-'.$last_day_tmp, $checkdate_time)); + $last_tmp = (date('w',$checkdate_time) == $on_day_num) ? '' : 'last '; + $next_date_time = strtotime($last_tmp.$on_day.' -'.$nth.' week', $checkdate_time); + } else { + $next_date_time = strtotime($on_day.' +'.$nth.' week', $checkdate_time); + } + } + } else { + $day = date('d', $start_date_time); + $next_date_time = mktime(0,0,0,$month,$day,$year+1); + //echo date('Ymd',$next_date_time).$summary.'
      '; + } + if (isset($next_date_time) && $next_date_time != '') $recur_data[] = $next_date_time; + } + if (isset($byyearday)) { + foreach ($byyearday as $yearday) { + ereg ('([-\+]{0,1})?([0-9]{1,3})', $yearday, $byyearday_arr); + if ($byyearday_arr[1] == '-') { + $ydtime = mktime(0,0,0,12,31,$this_year); + $yearnum = $byyearday_arr[2] - 1; + $next_date_time = strtotime('-'.$yearnum.' days', $ydtime); + } else { + $ydtime = mktime(0,0,0,1,1,$this_year); + $yearnum = $byyearday_arr[2] - 1; + $next_date_time = strtotime('+'.$yearnum.' days', $ydtime); + } + if (isset($next_date_time) && $next_date_time != '') $recur_data[] = $next_date_time; + } + } + break; + default: + // anything else we need to end the loop + $next_range_time = $end_range_time_tmp + 100; + $count_to = $count; + } + } else { + $interval = 1; + } + $next_range_time = strtotime('+'.$interval.' '.$freq_type, $next_range_time); + } else { + // end the loop because we aren't going to write this event anyway + $count_to = $count; + } + // use the same code to write the data instead of always changing it 5 times + if (isset($recur_data) && is_array($recur_data)) { + $recur_data_hour = @substr($start_time,0,2); + $recur_data_minute = @substr($start_time,2,2); + foreach($recur_data as $recur_data_time) { + $recur_data_year = date('Y', $recur_data_time); + $recur_data_month = date('m', $recur_data_time); + $recur_data_day = date('d', $recur_data_time); + $recur_data_date = $recur_data_year.$recur_data_month.$recur_data_day; + if (($recur_data_time >= $start_date_time) && ($recur_data_time <= $end_date_time) && ($count_to != $count) && !in_array($recur_data_date, $except_dates)) { + if (isset($allday_start) && $allday_start != '') { + $start_time2 = $recur_data_time; + $end_time2 = strtotime('+'.$diff_allday_days.' days', $recur_data_time); + while ($start_time2 < $end_time2) { + $start_date2 = date('Ymd', $start_time2); + $master_array[($start_date2)][('-1')][$uid] = array ( + 'event_text' => $summary, + 'description' => $description, + 'location' => $location, + 'organizer' => serialize($organizer), + 'attendee' => serialize($attendee), + 'calnumber' => $calnumber, + 'calname' => $actual_calname, + 'url' => $url, + 'status' => $status, + 'class' => $class, + 'recur' => $recur ); + $start_time2 = strtotime('+1 day', $start_time2); + } + } else { + $start_unixtime_tmp = mktime($recur_data_hour,$recur_data_minute,0,$recur_data_month,$recur_data_day,$recur_data_year); + $end_unixtime_tmp = $start_unixtime_tmp + $length; + + if (($end_time >= $bleed_time) && ($bleed_check == '-1')) { + $start_tmp = strtotime(date('Ymd',$start_unixtime_tmp)); + $end_date_tmp = date('Ymd',$end_unixtime_tmp); + while ($start_tmp < $end_unixtime_tmp) { + $start_date_tmp = date('Ymd',$start_tmp); + if ($start_date_tmp == $recur_data_year.$recur_data_month.$recur_data_day) { + $time_tmp = $hour.$minute; + $start_time_tmp = $start_time; + } else { + $time_tmp = '0000'; + $start_time_tmp = '0000'; + } + if ($start_date_tmp == $end_date_tmp) { + $end_time_tmp = $end_time; + } else { + $end_time_tmp = '2400'; + $display_end_tmp = $end_time; + } + + // Let's double check the until to not write past it + $until_check = $start_date_tmp.$time_tmp.'00'; + if ($abs_until > $until_check) { + $master_array[$start_date_tmp][$time_tmp][$uid] = array ( + 'event_start' => $start_time_tmp, + 'event_end' => $end_time_tmp, + 'start_unixtime' => $start_unixtime_tmp, + 'end_unixtime' => $end_unixtime_tmp, + 'event_text' => $summary, + 'event_length' => $length, + 'event_overlap' => 0, + 'description' => $description, + 'status' => $status, + 'class' => $class, + 'spans_day' => true, + 'location' => $location, + 'organizer' => serialize($organizer), + 'attendee' => serialize($attendee), + 'calnumber' => $calnumber, + 'calname' => $actual_calname, + 'url' => $url, + 'recur' => $recur); + if (isset($display_end_tmp)){ + $master_array[$start_date_tmp][$time_tmp][$uid]['display_end'] = $display_end_tmp; + } + checkOverlap($start_date_tmp, $time_tmp, $uid); + } + $start_tmp = strtotime('+1 day',$start_tmp); + } + } else { + if ($bleed_check == '-1') { + $display_end_tmp = $end_time; + $end_time_tmp1 = '2400'; + + } + if (!isset($end_time_tmp1)) $end_time_tmp1 = $end_time; + + // Let's double check the until to not write past it + $until_check = $recur_data_date.$hour.$minute.'00'; + if ($abs_until > $until_check) { + $master_array[($recur_data_date)][($hour.$minute)][$uid] = array ( + 'event_start' => $start_time, + 'event_end' => $end_time_tmp1, + 'start_unixtime' => $start_unixtime_tmp, + 'end_unixtime' => $end_unixtime_tmp, + 'event_text' => $summary, + 'event_length' => $length, + 'event_overlap' => 0, + 'description' => $description, + 'status' => $status, + 'class' => $class, + 'spans_day' => false, + 'location' => $location, + 'organizer' => serialize($organizer), + 'attendee' => serialize($attendee), + 'calnumber' => $calnumber, + 'calname' => $actual_calname, + 'url' => $url, + 'recur' => $recur); + if (isset($display_end_tmp)){ + $master_array[($recur_data_date)][($hour.$minute)][$uid]['display_end'] = $display_end_tmp; + } + checkOverlap($recur_data_date, ($hour.$minute), $uid); + } + } + } + } + } + } + } #end while loop + } # end if time compare + unset($recur_data); + } # end switch $key (rrule type) +} # end foreach rrule + + +// This should remove any exdates that were missed. +// Added for version 0.9.5 modified in 2.22 remove anything that doesn't have an event_start +if (is_array($except_dates)) { + foreach ($except_dates as $key => $value) { + if (isset ($master_array[$value])){ + foreach ($master_array[$value] as $time => $value2){ + if (!isset($value2[$uid]['event_start'])){ + unset($master_array[$value][$time][$uid]); + } + } + } + } +} + +// Clear event data now that it's been saved. +unset($start_time, $start_time_tmp, $end_time, $end_time_tmp, $start_unixtime, $start_unixtime_tmp, $end_unixtime, $end_unixtime_tmp, $summary, $length, $description, $status, $class, $location, $organizer, $attendee); + +?> \ No newline at end of file diff --git a/functions/parse/overlapping_events.php b/functions/parse/overlapping_events.php new file mode 100644 index 0000000..9595c83 --- /dev/null +++ b/functions/parse/overlapping_events.php @@ -0,0 +1,274 @@ + $loop_range) { + + if ($start < $end) { + // handle ranges between $start and $loop_range['start'] + if ($start < $loop_range['start']) { + $new_ol_ranges[] = array('count' => $count, 'start' => $start, 'end' => min($loop_range['start'], $end)); + $start = $loop_range['start']; + } + + // $start is always >= $loop_range['start'] at this point. + // handles ranges between $loop_range['start'] and $loop_range['end'] + if ($loop_range['start'] < $end && $start < $loop_range['end']) { + // handles ranges between $loop_range['start'] and $start + if ($loop_range['start'] < $start) { + $new_ol_ranges[] = array('count' => $loop_range['count'], 'start' => $loop_range['start'], 'end' => $start); + } + // handles ranges between $start and $end (where they're between $loop_range['start'] and $loop_range['end']) + $new_count = $loop_range['count'] + $count + 1; + if ($new_count >= 0) { + $new_ol_ranges[] = array('count' => $new_count, 'start' => $start, 'end' => min($loop_range['end'], $end)); + } + // handles ranges between $end and $loop_range['end'] + if ($loop_range['end'] > $end) { + $new_ol_ranges[] = array('count' => $loop_range['count'], 'start' => $end, 'end' => $loop_range['end']); + } + $start = $loop_range['end']; + } else { + $new_ol_ranges[] = $loop_range; + } + } else { + $new_ol_ranges[] = $loop_range; + } + } + + // Catches anything left over. + if ($start < $end) { + $new_ol_ranges[] = array('count' => $count, 'start' => $start, 'end' => $end); + } + + return $new_ol_ranges; +} + +// Finds the highest value of 'count' in $ol_ranges +function find_max_overlap($ol_ranges) { + + $count = 0; + foreach ($ol_ranges as $loop_range) { + if ($count < $loop_range['count']) + $count = $loop_range['count']; + } + + return $count; +} + +// Merges overlapping blocks +function flatten_ol_blocks($event_date, $ol_blocks, $new_block_key) { + + global $master_array; + + // Loop block = each other block in the array, the ones we're merging into new block. + // New block = the changed block that caused the flatten_ol_blocks call. Everything gets merged into this. + $new_block = $ol_blocks[$new_block_key]; + reset($ol_blocks); + while ($loop_block_array = each($ol_blocks)) { + $loop_block_key = $loop_block_array['key']; + $loop_block = $loop_block_array['value']; + // only compare with other blocks + if ($loop_block_key != $new_block_key) { + // check if blocks overlap + if (($loop_block['blockStart'] < $new_block['blockEnd']) && ($loop_block['blockEnd'] > $new_block['blockStart'])) { + // define start and end of merged overlap block + if ($new_block['blockStart'] > $loop_block['blockStart']) $ol_blocks[$new_block_key]['blockStart'] = $loop_block['blockStart']; + if ($new_block['blockEnd'] < $loop_block['blockEnd']) $ol_blocks[$new_block_key]['blockEnd'] = $loop_block['blockEnd']; + $ol_blocks[$new_block_key]['events'] = array_merge($new_block['events'], $loop_block['events']); + $new_block['events'] = $ol_blocks[$new_block_key]['events']; + foreach ($loop_block['overlapRanges'] as $ol_range) { + $new_block['overlapRanges'] = merge_range($new_block['overlapRanges'], $ol_range['start'], $ol_range['end'], $ol_range['count']); + } + $ol_blocks[$new_block_key]['overlapRanges'] = $new_block['overlapRanges']; + $ol_blocks[$new_block_key]['maxOverlaps'] = find_max_overlap($new_block['overlapRanges']); + foreach ($ol_blocks[$new_block_key]['events'] as $event) { + $master_array[$event_date][$event['time']][$event['key']]['event_overlap'] = $ol_blocks[$new_block_key]['maxOverlaps']; + } + unset($ol_blocks[$loop_block_key]); + reset($ol_blocks); + } + } + } + + return $ol_blocks; +} + +// Builds $overlap_array structure, and updates event_overlap in $master_array for the given events. +function checkOverlap($event_date, $event_time, $uid) { + global $master_array, $overlap_array; + if (!isset($event_date)) return; + $event = $master_array[$event_date][$event_time][$uid]; + // Copy out the array - we replace this at the end. + $ol_day_array = $overlap_array[$event_date]; + $drawTimes = drawEventTimes($event['event_start'], $event['event_end']); + + // For a given date, + // - check to see if the event's already in a block, and if so, add it. + // - make sure the new block doesn't overlap another block, and if so, merge the blocks. + // - check that there aren't any events we already passed that we should handle. + // - "flatten" the structure again, merging the blocks. + + // $overlap_array structure: + // array of ($event_dates) + // array of unique overlap blocks (no index) - + + // $overlap_block structure + // 'blockStart' - $start_time of block - earliest $start_time of the events in the block. + // Shouldn't be any overlap w/ a different overlap block in that day (as if they overlap, they get merged). + // 'blockEnd' - $end_time of block - latest $end_time of the events in the block. + // 'maxOverlaps' - max number of overlaps for the whole block (highest 'count' in overlapRanges) + // 'events' - array of event "pointers" (no index) - each event in the block. + // 'time' - $start_time of event in the block + // 'key' - $uid of event + // 'overlapRanges' - array of time ranges + overlap counts (no index) - the specific overlap info. + // Shouldn't be any overlap w/ the overlap ranges in a given overlap_block - if there is overlap, the block should be split. + // 'count' - number of overlaps that time range (can be zero if that range has no overlaps). + // 'start' - start_time for the overlap block. + // 'end' - end_time for the overlap block. + + $ol_day_array = $overlap_array[$event_date]; + // Track if $event has been merged in, so we don't re-add the details to 'event' or 'overlapRanges' multiple times. + $already_merged_once = false; + // First, check the existing overlap blocks, see if the event overlaps with any. + if (isset($ol_day_array)) { + foreach ($ol_day_array as $loop_block_key => $loop_ol_block) { + // Should $event be in this $ol_block? If so, add it. + if ($loop_ol_block['blockStart'] < $drawTimes['draw_end'] && $loop_ol_block['blockEnd'] > $drawTimes['draw_start']) { + // ... unless it's already in the $ol_block + if (!in_array(array('time' => $drawTimes['draw_start'], 'key' => $uid), $loop_ol_block['events'])) { + $loop_ol_block['events'][] = array('time' => $drawTimes['draw_start'], 'key' => $uid); + if ($loop_ol_block['blockStart'] > $drawTimes['draw_start']) $loop_ol_block['blockStart'] = $drawTimes['draw_start']; + if ($loop_ol_block['blockEnd'] < $drawTimes['draw_end']) $loop_ol_block['blockEnd'] = $drawTimes['draw_end']; + + // Merge in the new overlap range + $loop_ol_block['overlapRanges'] = merge_range($loop_ol_block['overlapRanges'], $drawTimes['draw_start'], $drawTimes['draw_end']); + $loop_ol_block['maxOverlaps'] = find_max_overlap($loop_ol_block['overlapRanges']); + foreach ($loop_ol_block['events'] as $max_overlap_event) { + $master_array[$event_date][$max_overlap_event['time']][$max_overlap_event['key']]['event_overlap'] = $loop_ol_block['maxOverlaps']; + } + $ol_day_array[$loop_block_key] = $loop_ol_block; + $ol_day_array = flatten_ol_blocks($event_date, $ol_day_array, $loop_block_key); + $already_merged_once = true; + break; + // Handle repeat calls to checkOverlap - semi-bogus since the event shouldn't be created more than once, but this makes sure we don't get an invalid event_overlap. + } else { + $master_array[$event_date][$event_time][$uid]['event_overlap'] = $loop_ol_block['maxOverlaps']; + } + } + } + } + + // Then, check all the events, make sure there isn't a new overlap that we need to create. + foreach ($master_array[$event_date] as $time_key => $time) { + // Skip all-day events for overlap purposes. + if ($time_key != '-1') { + foreach ($time as $loop_event_key => $loop_event) { + // Make sure we haven't already dealt with the event, and we're not checking against ourself. + if ($loop_event['event_overlap'] == 0 && $loop_event_key != $uid) { + $loopDrawTimes = drawEventTimes($loop_event['event_start'], $loop_event['event_end']); + if ($loopDrawTimes['draw_start'] < $drawTimes['draw_end'] && $loopDrawTimes['draw_end'] > $drawTimes['draw_start']) { + if ($loopDrawTimes['draw_start'] < $drawTimes['draw_start']) { + $block_start = $loopDrawTimes['draw_start']; + } else { + $block_start = $drawTimes['draw_start']; + } + if ($loopDrawTimes['draw_end'] > $drawTimes['draw_end']) { + $block_end = $loopDrawTimes['draw_end']; + } else { + $block_end = $drawTimes['draw_end']; + } + $events = array(array('time' => $loopDrawTimes['draw_start'], 'key' => $loop_event_key)); + $overlap_ranges = array(array('count' => 0, 'start' => $loopDrawTimes['draw_start'], 'end' => $loopDrawTimes['draw_end'])); + // Only add $event if we haven't already put it in a block + if (!$already_merged_once) { + $events[] = array('time' => $drawTimes['draw_start'], 'key' => $uid); + $overlap_ranges = merge_range($overlap_ranges, $drawTimes['draw_start'], $drawTimes['draw_end']); + $already_merged_once = true; + } + $ol_day_array[] = array('blockStart' => $block_start, 'blockEnd' => $block_end, 'maxOverlaps' => 1, 'events' => $events, 'overlapRanges' => $overlap_ranges); + + foreach ($events as $max_overlap_event) { + $master_array[$event_date][$max_overlap_event['time']][$max_overlap_event['key']]['event_overlap'] = 1; + } + // Make sure we pass in the key of the newly added item above. + end($ol_day_array); + $last_day_key = key($ol_day_array); + $ol_day_array = flatten_ol_blocks($event_date, $ol_day_array, $last_day_key); + } + } + } + } + } + + $overlap_array[$event_date] = $ol_day_array; + +//for debugging the checkOverlap function +//if ($event_date == '20050506') { +//print 'Date: ' . $event_date . ' / Time: ' . $event_time . ' / Key: ' . $uid . "
      \n"; +//print '
      ';
+//print_r($master_array[$event_date]);
+//print_r($overlap_array[$event_date]);
+//print '
      '; +//} + +} + +// Remove an event from the overlap data. +// This could be completely bogus, since overlap array is empty when this gets called in my tests, but I'm leaving it in anyways. +function removeOverlap($ol_start_date, $ol_start_time, $ol_key) { + global $master_array, $overlap_array; + if (isset($overlap_array[$ol_start_date])) { + if (sizeof($overlap_array[$ol_start_date]) > 0) { + $ol_end_time = $master_array[$ol_start_date][$ol_start_time][$ol_key]['event_end']; + foreach ($overlap_array[$ol_start_date] as $block_key => $block) { + if (in_array(array('time' => $ol_start_time, 'key' => $ol_key), $block['events'])) { + // Check if this is a 2-event block (i.e., there's no block left when we remove $ol_key + // and if so, just unset it and move on. + if (count($block['events']) == 2) { + foreach ($block['events'] as $event) { + $master_array[$ol_start_date][$event['time']][$event['key']]['event_overlap'] = 0; + } + unset($overlap_array[$ol_start_date][$block_key]); + } else { + // remove $ol_key from 'events' + $event_key = array_search(array('time' => $ol_start_time, 'key' => $ol_key), $block['events']); + unset($overlap_array[$ol_start_date][$block_key]['events'][$event_key]); + + // These may be bogus, since we're not using drawEventTimes. + // "clean up" 'overlapRanges' and calc the new maxOverlaps. + // use the special "-2" count to tell merge_range we're deleting. + $overlap_array[$ol_start_date][$block_key]['overlapRanges'] = merge_range($block['overlapRanges'], $ol_start_time, $ol_end_time, -2); + $overlap_array[$ol_start_date][$block_key]['maxOverlaps'] = find_max_overlap($block['overlapRanges']); + + // recreate blockStart and blockEnd from the other events, and fix maxOverlap while we're at it. + $blockStart = $ol_end_time; + $blockEnd = $ol_start_time; + foreach ($overlap_array[$ol_start_date][$block_key]['events'] as $event) { + $blockStart = min($blockStart, $event['time']); + $blockEnd = max($blockEnd, $master_array[$ol_start_date][$event['time']][$event['key']]['event_end']); + $master_array[$ol_start_date][$event['time']][$event['key']]['event_overlap'] = $overlap_array[$ol_start_date][$block_key]['maxOverlaps']; + } + $overlap_array[$ol_start_date][$block_key]['blockStart'] = $blockStart; + $overlap_array[$ol_start_date][$block_key]['blockEnd'] = $blockEnd; + } + } + } + } + } +} +?> diff --git a/functions/parse/parse_tzs.php b/functions/parse/parse_tzs.php new file mode 100644 index 0000000..85ab929 --- /dev/null +++ b/functions/parse/parse_tzs.php @@ -0,0 +1,64 @@ +$tz_id"; print_r($tz_array[$tz_id]);echo""; + break; + default: + unset ( $data, $prop_pos, $property); + if (ereg ("([^:]+):(.*)", $line, $line)){ + $property = $line[1]; + $data = $line[2]; + $prop_pos = strpos($property,';'); + if ($prop_pos !== false) $property = substr($property,0,$prop_pos); + $property = strtoupper($property); + + switch ($property) { + case 'TZID': + $tz_id = $data; + break; + case 'TZOFFSETFROM': + $offset_from = $data; + break; + case 'TZOFFSETTO': + $offset_to = $data; + break; + } + } + } +} + +?> \ No newline at end of file -- cgit v1.2.3