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[svn r15360] Added additional functions to deal with repeated events

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skala
Yannick Warnier 17 years ago
parent 6bda17cb15
commit 044f5e12cd
1 changed files with 293 additions and 4 deletions
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  1. 297
      main/calendar/agenda.inc.php

297
main/calendar/agenda.inc.php
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@ -1,4 +1,4 @@
<?php //$Id: agenda.inc.php 15356 2008-05-22 05:21:09Z yannoo $
<?php //$Id: agenda.inc.php 15360 2008-05-22 18:07:51Z yannoo $
/*
==============================================================================
Dokeos - elearning and course management software
@ -2870,7 +2870,7 @@ function get_week_agendaitems($courses_dbs, $month, $year, $week = '')
return $agendaitems;
}
/**
* Get repeated events of a course between two dates (timespan of a month, a week, a day).
* Get repeated events of a course between two dates (timespan of a day).
* Returns an array containing the events
* @param string Course database name
* @param int UNIX timestamp of span start. Defaults 0, later transformed into today's start
@ -2933,6 +2933,18 @@ function get_repeated_events_day_view($course_db,$course_db,$start=0,$end=0)
$current_stop = $start+$int_time+$span; //unixtimestamp stop of today's event
$events[] = array($row['id'],$current_start,$current_stop,$row['title'],$row['content']);
break;
case 'weekly':
$time_orig = date('Y/n/W/j/N/G/i/s',$orig_start);
list($y_orig,$m_orig,$w_orig,$d_orig,$dw_orig,$h_orig,$n_orig,$s_orig) = split('/',$time_orig);
$time_now = date('Y/n/W/j/N/G/i/s',$end);
list($y_now,$m_now,$w_now,$d_now,$dw_now,$h_now,$n_now,$s_now) = split('/',$time_now);
if((($y_now>$y_orig) OR (($y_now == $y_orig) && ($w_now>$w_orig))) && ($dw_orig == $dw_now))
{ //if the event is after the original (at least one week) and the day of the week is the same
$time_orig_end = date('Y/n/W/j/N/G/i/s',$orig_end);
list($y_orig_e,$m_orig_e,$w_orig_e,$d_orig_e,$dw_orig_e,$h_orig_e,$n_orig_e,$s_orig_e) = split('/',$time_orig_end);
$events[] = array($row['id'],mktime($h_orig,$n_orig,$s_orig,$m_now,$d_orig,$y_now),mktime($h_orig_e,$n_orig_e,$s_orig_e,$m_now,$d_orig_e,$y_now),$row['title'],$row['content']);
}
break;
case 'monthlyByDate':
$time_orig = date('Y/n/j/G/i/s',$orig_start);
list($y_orig,$m_orig,$d_orig,$h_orig,$n_orig,$s_orig) = split('/',$time_orig);
@ -2946,27 +2958,304 @@ function get_repeated_events_day_view($course_db,$course_db,$start=0,$end=0)
}
break;
case 'monthlyByDayR':
//not implemented yet
break;
case 'monthlyByDay':
//not implemented yet
break;
case 'yearly':
$time_orig = date('Y/n/j/z/G/i/s',$orig_start);
list($y_orig,$m_orig,$d_orig,$dy_orig,$h_orig,$n_orig,$s_orig) = split('/',$time_orig);
$time_now = date('Y/n/j/z/G/i/s',$end);
list($y_now,$m_now,$d_now,$dy_now,$h_now,$n_now,$s_now) = split('/',$time_now);
if(($y_now>$y_orig) && ($dy_orig == $dy_now))
{
$time_orig_end = date('Y/n/j/G/i/s',$orig_end);
list($y_orig_e,$m_orig_e,$d_orig_e,$dy_orig_e,$h_orig_e,$n_orig_e,$s_orig_e) = split('/',$time_orig_end);
$events[] = array($row['id'],mktime($h_orig,$n_orig,$s_orig,$m_now,$d_orig,$y_now),mktime($h_orig_e,$n_orig_e,$s_orig_e,$m_now,$d_orig_e,$y_now),$row['title'],$row['content']);
}
break;
default:
break;
}
}
}
return $events;
}
/**
* Get repeated events of a course between two dates (timespan of a week).
* Returns an array containing the events
* @param string Course database name
* @param int UNIX timestamp of span start. Defaults 0, later transformed into today's start
* @param int UNIX timestamp. Defaults to 0, later transformed into today's end
* @return array [int] => [parent_event_id,start_date,end_date,title,description]
*/
function get_repeated_events_week_view($course_db,$course_db,$start=0,$end=0)
{
$events = array();
//initialise all values
$y=0;
$m=0;
$d=0;
if($start == 0 or $end == 0)
{
$time = time();
$dw = date('w',$time);
$week_start = $time - (($dw-1)*86400);
$y = date('Y',$week_start);
$m = date('m',$week_start);
$d = date('j',$week_start);
$w = date('W',$week_start);
}
if($start==0)
{
$start = mktime(0,0,0,$m,$d,$y);
}
$db_start = date('Y-m-d H:i:s',$start);
if($end==0)
{
$end = $start+(86400*7)-1; //start of week, more 7 days, minus 1 second to get back to the previoyus day
}
//$db_end = date('Y-m-d H:i:s',$end);
$t_cal = Database::get_course_table(TABLE_AGENDA,$course_db);
$t_cal_repeat = Database::get_course_table(TABLE_AGENDA_REPEAT,$course_db);
$sql = "SELECT c.id, c.title, c.content, " .
" UNIX_TIMESTAMP(c.start_date) as orig_start, UNIX_TIMESTAMP(c.end_date) as orig_end, " .
" cr.cal_type, cr.cal_end " .
" FROM $t_cal c, $t_cal_repeat cr " .
" WHERE cr.cal_end >= $end " .
" AND cr.cal_id = c.id" .
" AND c.start_date <= $db_start";
$res = api_sql_query($sql,__FILE__,__LINE__);
if(Database::num_rows($res)>0)
{
while($row = Database::fetch_array($res))
{
$orig_start = $row['orig_start'];
$orig_end = $row['orig_end'];
$repeat_type = $row['cal_type'];
switch($repeat_type)
{
case 'daily':
$time_orig_h = date('H',$orig_start);
$time_orig_m = date('i',$orig_start);
$time_orig_s = date('s',$orig_start);
$int_time = (($time_orig_h*60)+$time_orig_m)*60+$time_orig_s; //time in seconds since 00:00:00
$span = $orig_end - $orig_start; //total seconds between start and stop of original event
for($i=0;$i<7;$i++)
{
$current_start = $start + ($i*86400) + $int_time; //unixtimestamp start of today's event
$current_stop = $start + ($i*86400) + $int_time + $span; //unixtimestamp stop of today's event
$events[] = array($row['id'],$current_start,$current_stop,$row['title'],$row['content']);
}
break;
case 'weekly':
$time_orig = date('Y/n/W/j/N/G/i/s',$orig_start);
list($y_orig,$m_orig,$w_orig,$d_orig,$dw_orig,$h_orig,$n_orig,$s_orig) = split('/',$time_orig);
$time_now = date('Y/n/W/j/N/G/i/s',$end);
list($y_now,$m_now,$w_now,$d_now,$dw_now,$h_now,$n_now,$s_now) = split('/',$time_now);
if((($y_now>$y_orig) OR (($y_now == $y_orig) && ($w_now>$w_orig))) && ($dw_orig == $dw_now))
if((($y_now>$y_orig) OR (($y_now == $y_orig) && ($w_now>$w_orig))))
{ //if the event is after the original (at least one week) and the day of the week is the same
$time_orig_end = date('Y/n/W/j/N/G/i/s',$orig_end);
list($y_orig_e,$m_orig_e,$w_orig_e,$d_orig_e,$dw_orig_e,$h_orig_e,$n_orig_e,$s_orig_e) = split('/',$time_orig_end);
$events[] = array($row['id'],mktime($h_orig,$n_orig,$s_orig,$m_now,$d_orig,$y_now),mktime($h_orig_e,$n_orig_e,$s_orig_e,$m_now,$d_orig_e,$y_now),$row['title'],$row['content']);
}
break;
case 'monthlyByDate':
$time_orig = date('Y/n/W/j/G/i/s',$orig_start);
list($y_orig,$m_orig,$w_orig,$d_orig,$h_orig,$n_orig,$s_orig) = split('/',$time_orig);
$time_now = date('Y/n/W/j/G/i/s',$end);
list($y_now,$m_now,$w_now,$d_now,$h_now,$n_now,$s_now) = split('/',$time_now);
$event_repetition_time = mktime($h_orig,$n_orig,$s_orig,$m_now,$d_orig,$y_now);
if((($y_now>$y_orig) OR (($y_now == $y_orig) && ($m_now>$m_orig))) && ($start<$event_repetition_time && $event_repetition_time<$end))
{ //if the event is after the original (at least one month) and the original event's day is between the first day of the week and the last day of the week
$time_orig_end = date('Y/n/j/G/i/s',$orig_end);
list($y_orig_e,$m_orig_e,$d_orig_e,$h_orig_e,$n_orig_e,$s_orig_e) = split('/',$time_orig_end);
$events[] = array($row['id'],mktime($h_orig,$n_orig,$s_orig,$m_now,$d_orig,$y_now),mktime($h_orig_e,$n_orig_e,$s_orig_e,$m_now,$d_orig_e,$y_now),$row['title'],$row['content']);
}
break;
case 'monthlyByDayR':
//not implemented yet
break;
case 'monthlyByDay':
//not implemented yet
break;
case 'yearly':
$time_orig = date('Y/n/j/z/G/i/s',$orig_start);
list($y_orig,$m_orig,$d_orig,$dy_orig,$h_orig,$n_orig,$s_orig) = split('/',$time_orig);
$time_now = date('Y/n/j/z/G/i/s',$end);
list($y_now,$m_now,$d_now,$dy_now,$h_now,$n_now,$s_now) = split('/',$time_now);
$event_repetition_time = mktime($h_orig,$n_orig,$s_orig,$m_orig,$d_orig,$y_now);
if((($y_now>$y_orig) && ($start<$event_repetition_time && $event_repetition_time>$end)))
{
$time_orig_end = date('Y/n/j/G/i/s',$orig_end);
list($y_orig_e,$m_orig_e,$d_orig_e,$dy_orig_e,$h_orig_e,$n_orig_e,$s_orig_e) = split('/',$time_orig_end);
$events[] = array($row['id'],mktime($h_orig,$n_orig,$s_orig,$m_now,$d_orig,$y_now),mktime($h_orig_e,$n_orig_e,$s_orig_e,$m_now,$d_orig_e,$y_now),$row['title'],$row['content']);
}
break;
default:
break;
}
}
}
return $events;
}
/**
* Get repeated events of a course between two dates (timespan of a month).
* Returns an array containing the events
* @param string Course database name
* @param int UNIX timestamp of span start. Defaults 0, later transformed into today's start
* @param int UNIX timestamp. Defaults to 0, later transformed into today's end
* @return array [int] => [parent_event_id,start_date,end_date,title,description]
*/
function get_repeated_events_month_view($course_db,$course_db,$start=0,$end=0)
{
$events = array();
//initialise all values
$y=0;
$m=0;
$d=0;
if($start == 0 or $end == 0)
{
$time = time();
$y = date('Y');
$m = date('m');
}
if($start==0)
{
$start = mktime(0,0,0,$m,1,$y);
}
$db_start = date('Y-m-d H:i:s',$start);
if($end==0)
{
if($m==12)
{
$end = mktime(0,0,0,1,1,$y+1)-1; //start of next month, minus 1 second to get back to the previoyus day
}
else
{
$end = mktime(0,0,0,$m+1,1,$y)-1;
}
}
//$db_end = date('Y-m-d H:i:s',$end);
$t_cal = Database::get_course_table(TABLE_AGENDA,$course_db);
$t_cal_repeat = Database::get_course_table(TABLE_AGENDA_REPEAT,$course_db);
$sql = "SELECT c.id, c.title, c.content, " .
" UNIX_TIMESTAMP(c.start_date) as orig_start, UNIX_TIMESTAMP(c.end_date) as orig_end, " .
" cr.cal_type, cr.cal_end " .
" FROM $t_cal c, $t_cal_repeat cr " .
" WHERE cr.cal_end >= $end " .
" AND cr.cal_id = c.id" .
" AND c.start_date <= $db_start";
$res = api_sql_query($sql,__FILE__,__LINE__);
if(Database::num_rows($res)>0)
{
while($row = Database::fetch_array($res))
{
$orig_start = $row['orig_start'];
$orig_end = $row['orig_end'];
$repeat_type = $row['cal_type'];
switch($repeat_type)
{
case 'daily':
$time_orig_h = date('H',$orig_start);
$time_orig_m = date('i',$orig_start);
$time_orig_s = date('s',$orig_start);
$month_last_day = date('d',$end);
$int_time = (($time_orig_h*60)+$time_orig_m)*60+$time_orig_s; //time in seconds since 00:00:00
$span = $orig_end - $orig_start; //total seconds between start and stop of original event
for($i=0;$i<$month_last_day;$i++)
{
$current_start = $start + ($i*86400) + $int_time; //unixtimestamp start of today's event
$current_stop = $start + ($i*86400) + $int_time + $span; //unixtimestamp stop of today's event
$events[] = array($row['id'],$current_start,$current_stop,$row['title'],$row['content']);
}
break;
case 'weekly':
//A weekly repeated event is very difficult to catch in a month view,
//because weeks start before or at the same time as the first day of the month
//The same can be said for the end of the month.
// The idea is thus to get all possible events by enlarging the scope of
// the month to get complete weeks covering the complete month, and then take out
// the events that start before the 1st ($start) or after the last day of the month ($end)
$time_orig = date('Y/n/W/j/N/G/i/s',$orig_start);
list($y_orig,$m_orig,$w_orig,$d_orig,$dw_orig,$h_orig,$n_orig,$s_orig) = split('/',$time_orig);
$time_orig_end = date('Y/n/W/j/N/G/i/s',$orig_end);
list($y_orig_e,$m_orig_e,$w_orig_e,$d_orig_e,$dw_orig_e,$h_orig_e,$n_orig_e,$s_orig_e) = split('/',$time_orig_end);
$time_now = date('Y/n/W/j/N/G/i/s',$end);
list($y_now,$m_now,$w_now,$d_now,$dw_now,$h_now,$n_now,$s_now) = split('/',$time_now);
$month_first_week = date('W',$start);
$month_last_week = date('W',$end);
if(($y_now>$y_orig) OR (($y_now == $y_orig) && ($w_now>$w_orig)))
{ //if the event is after the original (at least one week) and the day of the week is the same
for($i=$month_first_week;$i<=$month_last_week;$i++)
{
//the "day of the week" of repetition is the same as the $dw_orig,
//so to get the "day of the month" from the "day of the week", we have
//to get the first "day of the week" for this week and add the number
//of days (in seconds) to reach the $dw_orig
//example: the first week spans between the 28th of April (Monday) to the
// 4th of May (Sunday). The event occurs on the 2nd day of each week.
// This means the event occurs on 29/4, 6/5, 13/5, 20/5 and 27/5.
// We want to get all of these, and then reject 29/4 because it is out
// of the month itself.
//First, to get the start time of the first day of the month view (even if
// the day is from the past month), we get the month start date (1/5) and
// see which day of the week it is, and subtract the number of days necessary
// to get back to the first day of the week.
$month_first_day_weekday = date('N',$start);
$first_week_start = $start - (($month_first_day_weekday-1)*86400);
//Second, we add the week day of the original event, so that we have an
// absolute time that represents the first repetition of the event in
// our 4- or 5-weeks timespan
$first_event_repeat_start = $first_week_start + (($dw_orig-1)*86400) + ($h_orig*3600) + ($n_orig*60) + $s_orig;
//Third, we start looping through the repetitions and see if they are between
// $start and $end
for($i = $first_event_repeat_start; $i<=$end; $i+=604800)
{
if($start<$i && $i<$end)
{
list($y_repeat,$m_repeat,$d_repeat,$h_repeat,$n_repeat,$s_repeat) = split('/',date('Y/m/j/H/i/s',$i));
$events[] = array($row['id'],mktime($h_orig,$n_orig,$s_orig,$m_now,$d_orig,$y_now),mktime($h_orig_e,$n_orig_e,$s_orig_e,$m_now,$d_orig_e,$y_now),$row['title'],$row['content']);
}
}
}
}
break;
case 'monthlyByDate':
$time_orig = date('Y/n/W/j/G/i/s',$orig_start);
list($y_orig,$m_orig,$w_orig,$d_orig,$h_orig,$n_orig,$s_orig) = split('/',$time_orig);
$time_now = date('Y/n/W/j/G/i/s',$end);
list($y_now,$m_now,$w_now,$d_now,$h_now,$n_now,$s_now) = split('/',$time_now);
$event_repetition_time = mktime($h_orig,$n_orig,$s_orig,$m_now,$d_orig,$y_now);
if(($y_now>$y_orig) OR (($y_now == $y_orig) && ($m_now>$m_orig)))
{ //if the event is after the original (at least one month) and the original event's day is between the first day of the week and the last day of the week
$time_orig_end = date('Y/n/j/G/i/s',$orig_end);
list($y_orig_e,$m_orig_e,$d_orig_e,$h_orig_e,$n_orig_e,$s_orig_e) = split('/',$time_orig_end);
$events[] = array($row['id'],mktime($h_orig,$n_orig,$s_orig,$m_now,$d_orig,$y_now),mktime($h_orig_e,$n_orig_e,$s_orig_e,$m_now,$d_orig_e,$y_now),$row['title'],$row['content']);
}
break;
case 'monthlyByDayR':
//not implemented yet
break;
case 'monthlyByDay':
//not implemented yet
break;
case 'yearly':
$time_orig = date('Y/n/j/z/G/i/s',$orig_start);
list($y_orig,$m_orig,$d_orig,$dy_orig,$h_orig,$n_orig,$s_orig) = split('/',$time_orig);
$time_now = date('Y/n/j/z/G/i/s',$end);
list($y_now,$m_now,$d_now,$dy_now,$h_now,$n_now,$s_now) = split('/',$time_now);
if((($y_now>$y_orig) OR (($y_now == $y_orig) && ($m_now>$m_orig))) && ($dy_orig == $dy_now))
$event_repetition_time = mktime($h_orig,$n_orig,$s_orig,$m_orig,$d_orig,$y_now);
if((($y_now>$y_orig) && ($start<$event_repetition_time && $event_repetition_time>$end)))
{
$time_orig_end = date('Y/n/j/G/i/s',$orig_end);
list($y_orig_e,$m_orig_e,$d_orig_e,$dy_orig_e,$h_orig_e,$n_orig_e,$s_orig_e) = split('/',$time_orig_end);

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