Represents a list of calendar appointments (including recurring events) for a specific user in a given time range. More...

Collaboration diagram for ilCalendarSchedule:

Public Member Functions
	__construct (ilDate $seed, $a_type, $a_user_id=0)
	Constructor.
	addSubitemCalendars ($a_status)
	Enable subitem calendars (session calendars for courses)
	enabledSubitemCalendars ()
	Are subitem calendars enabled.
	getByDay (ilDate $a_start, $a_timezone)
	get byday
	calculate ()
	calculate
	getChangedEvents ($a_include_subitem_calendars=false)
	get new/changed events

Data Fields
const	TYPE_DAY = 1
const	TYPE_WEEK = 2
const	TYPE_MONTH = 3
const	TYPE_INBOX = 4

Protected Member Functions
	getEvents ()
	Read events (will be moved to another class, since only active and/or visible calendars are shown)
	initPeriod (ilDate $seed)
	init period of events

Protected Attributes
	$schedule = array()
	$timezone
	$weekstart
	$hidden_cat = null
	$type = 0
	$subitems_enabled = false
	$start = null
	$end = null
	$user = null
	$user_settings = null
	$db = null

Detailed Description

Represents a list of calendar appointments (including recurring events) for a specific user in a given time range.

Author: Stefan Meyer smeye.nosp@m.r.il.nosp@m.ias@g.nosp@m.mx.d.nosp@m.e

Version: $Id$

Definition at line 41 of file class.ilCalendarSchedule.php.

Constructor & Destructor Documentation

ilCalendarSchedule::__construct	(	ilDate	$seed,
			$a_type,
			$a_user_id = `0`
	)

Constructor.

public

Parameters

ilDate	seed date
int	type of schedule (TYPE_DAY,TYPE_WEEK or TYPE_MONTH)
int	user_id

Definition at line 71 of file class.ilCalendarSchedule.php.

References $ilDB, ilCalendarUserSettings\_getInstanceByUserId(), ilCalendarHidden\_getInstanceByUserId(), and initPeriod().

        {
                global $ilUser,$ilDB;
                
                $this->db = $ilDB;
                $this->type = $a_type;
                $this->initPeriod($seed);
                
                if(!$a_user_id)
                {
                        $this->user = $ilUser;
                }
                $this->user_settings = ilCalendarUserSettings::_getInstanceByUserId($this->user->getId());
                $this->weekstart = $this->user_settings->getWeekStart();
                $this->timezone = $ilUser->getTimeZone();
                
                $this->hidden_cat = ilCalendarHidden::_getInstanceByUserId($this->user->getId());
        }

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Member Function Documentation

ilCalendarSchedule::addSubitemCalendars ( $a_status )

Enable subitem calendars (session calendars for courses)

Parameters

@return

Definition at line 96 of file class.ilCalendarSchedule.php.

        {
                $this->subitems_enabled = $a_status;
        }

ilCalendarSchedule::calculate ( )

calculate

protected

Definition at line 161 of file class.ilCalendarSchedule.php.

References ilCalendarRecurrences\_getRecurrences(), getEvents(), IL_CAL_FKT_GETDATE, and IL_CAL_UNIX.

        {
                $counter = 0;
                foreach($this->getEvents() as $event)
                {
                        // Calculdate recurring events
                        include_once('Services/Calendar/classes/class.ilCalendarRecurrences.php');
                        if($recs = ilCalendarRecurrences::_getRecurrences($event->getEntryId()))
                        {
                                $duration = $event->getEnd()->get(IL_CAL_UNIX) - $event->getStart()->get(IL_CAL_UNIX);
                                foreach($recs as $rec)
                                {
                                        $calc = new ilCalendarRecurrenceCalculator($event,$rec);
                                        foreach($calc->calculateDateList($this->start,$this->end)->get() as $rec_date)
                                        {
                                                $this->schedule[$counter]['event'] = $event;
                                                $this->schedule[$counter]['dstart'] = $rec_date->get(IL_CAL_UNIX);
                                                $this->schedule[$counter]['dend'] = $this->schedule[$counter]['dstart'] + $duration;
                                                $this->schedule[$counter]['fullday'] = $event->isFullday();
                                                
                                                switch($this->type)
                                                {
                                                        case self::TYPE_DAY:
                                                        case self::TYPE_WEEK:
                                                                // store date info (used for calculation of overlapping events)
                                                                $tmp_date = new ilDateTime($this->schedule[$counter]['dstart'],IL_CAL_UNIX,$this->timezone);
                                                                $this->schedule[$counter]['start_info'] = $tmp_date->get(IL_CAL_FKT_GETDATE,'',$this->timezone);
                                                                
                                                                $tmp_date = new ilDateTime($this->schedule[$counter]['dend'],IL_CAL_UNIX,$this->timezone);
                                                                $this->schedule[$counter]['end_info'] = $tmp_date->get(IL_CAL_FKT_GETDATE,'',$this->timezone);
                                                                break;
                                                        default:
                                                                break;
                                                }
                                                $counter++;
                                        }
                                }
                        }
                        else
                        {
                                $this->schedule[$counter]['event'] = $event;
                                $this->schedule[$counter]['dstart'] = $event->getStart()->get(IL_CAL_UNIX);
                                $this->schedule[$counter]['dend'] = $event->getEnd()->get(IL_CAL_UNIX);
                                $this->schedule[$counter]['fullday'] = $event->isFullday();
                                
                                if(!$event->isFullday())
                                {
                                        switch($this->type)
                                        {
                                                case self::TYPE_DAY:
                                                case self::TYPE_WEEK:
                                                        // store date info (used for calculation of overlapping events)
                                                        $tmp_date = new ilDateTime($this->schedule[$counter]['dstart'],IL_CAL_UNIX,$this->timezone);
                                                        $this->schedule[$counter]['start_info'] = $tmp_date->get(IL_CAL_FKT_GETDATE,'',$this->timezone);
                                                        $tmp_date = new ilDateTime($this->schedule[$counter]['dend'],IL_CAL_UNIX,$this->timezone);
                                                        $this->schedule[$counter]['end_info'] = $tmp_date->get(IL_CAL_FKT_GETDATE,'',$this->timezone);
                                                        break;
        
                                                default:
                                                        break;
                                        }
                                }
                                $counter++;
                        }
                }
        }

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ilCalendarSchedule::enabledSubitemCalendars ( )

Are subitem calendars enabled.

Returns

Definition at line 105 of file class.ilCalendarSchedule.php.

References $subitems_enabled.

Referenced by getEvents().

        {
                return (bool) $this->subitems_enabled;
        }

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ilCalendarSchedule::getByDay	(	ilDate	$a_start,
			$a_timezone
	)

get byday

public

Parameters

ilDate start

Definition at line 117 of file class.ilCalendarSchedule.php.

References $schedule, $start, $timezone, ilDateTime\DAY, elseif(), ilDate\get(), ilDateTime\get(), IL_CAL_DATETIME, IL_CAL_UNIX, and ilDateTime\increment().

        {
                $start = new ilDateTime($a_start->get(IL_CAL_DATETIME),IL_CAL_DATETIME,$this->timezone);
                $fstart = new ilDate($a_start->get(IL_CAL_UNIX),IL_CAL_UNIX);
                $fend = clone $fstart;
                
                $f_unix_start = $fstart->get(IL_CAL_UNIX);
                $fend->increment(ilDateTime::DAY,1);
                $f_unix_end = $fend->get(IL_CAL_UNIX);
                
                $unix_start = $start->get(IL_CAL_UNIX);
                $start->increment(ilDateTime::DAY,1);
                $unix_end = $start->get(IL_CAL_UNIX);
                
                $counter = 0;
                
                $tmp_date = new ilDateTime($unix_start,IL_CAL_UNIX,$this->timezone);
                foreach($this->schedule as $schedule)
                {
                        if($schedule['fullday'])
                        {
                                if(($f_unix_start == $schedule['dstart']) or
                                        $f_unix_start == $schedule['dend'] or
                                        ($f_unix_start > $schedule['dstart'] and $f_unix_end <= $schedule['dend']))
                                {
                                        $tmp_schedule[] = $schedule;
                                }
                        }
                        elseif(($schedule['dstart'] == $unix_start) or
                                (($schedule['dstart'] <= $unix_start) and ($schedule['dend'] > $unix_start)) or
                                (($schedule['dstart'] >= $unix_start) and ($schedule['dstart'] < $unix_end)))
                        {
                                $tmp_schedule[] = $schedule;
                        }
                }
                return $tmp_schedule ? $tmp_schedule : array();
        }

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ilCalendarSchedule::getChangedEvents ( $a_include_subitem_calendars = false )

get new/changed events

Parameters

bool $a_include_subitem_calendars E.g include session calendars of courses.

Returns: object $events[] Array of changed events protected

Definition at line 238 of file class.ilCalendarSchedule.php.

References $ilDB, $query, $res, $row, $start, ilCalendarCategories\_getInstance(), DB_FETCHMODE_OBJECT, IL_CAL_DATE, IL_CAL_DATETIME, and IL_CAL_MONTH.

        {
                global $ilUser,$ilDB;
                
                include_once('./Services/Calendar/classes/class.ilCalendarCategories.php');
                $cats = ilCalendarCategories::_getInstance($ilUser->getId())->getCategories($a_include_subitem_calendars);
                $cats = $this->hidden_cat->filterHidden($cats,ilCalendarCategories::_getInstance($ilUser->getId())->getCategoriesInfo());
                
                if(!count($cats))
                {
                        return array();
                }
                
                $start = new ilDate(date('Y-m-d',time()),IL_CAL_DATE);
                $start->increment(IL_CAL_MONTH,-1);
                
                $query = "SELECT ce.cal_id cal_id FROM cal_entries ce  ".
                        "JOIN cal_cat_assignments ca ON ca.cal_id = ce.cal_id ".
                        "WHERE last_update > ".$ilDB->quote($start->get(IL_CAL_DATETIME),'timestamp')." ".
                        "AND ".$ilDB->in('ca.cat_id',$cats,false,'integer').' '.
                        "ORDER BY last_update";
                $res = $this->db->query($query);
                
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        if(!$this->hidden_cat->isAppointmentVisible($row->cal_id))
                        {
                                $events[] = new ilCalendarEntry($row->cal_id);
                        }
                }
                return $events ? $events : array();
        }

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ilCalendarSchedule::getEvents ( )

protected

Read events (will be moved to another class, since only active and/or visible calendars are shown)

protected

Definition at line 277 of file class.ilCalendarSchedule.php.

References $ilDB, $query, $res, $row, ilCalendarCategories\_getInstance(), DB_FETCHMODE_OBJECT, enabledSubitemCalendars(), and IL_CAL_DATETIME.

Referenced by calculate().

        {
                global $ilUser,$ilDB;
                
                include_once('./Services/Calendar/classes/class.ilCalendarCategories.php');
                $cats = ilCalendarCategories::_getInstance($ilUser->getId())->getCategories($this->enabledSubitemCalendars());
                $cats = $this->hidden_cat->filterHidden($cats,ilCalendarCategories::_getInstance($ilUser->getId())->getCategoriesInfo());
                
                if(!count($cats))
                {
                        return array();
                }
                // TODO: optimize
                $query = "SELECT ce.cal_id cal_id FROM cal_entries ce LEFT JOIN cal_recurrence_rules crr ON ce.cal_id = crr.cal_id ".
                        "JOIN cal_cat_assignments ca ON ca.cal_id = ce.cal_id ".
                        "WHERE ((starta <= ".$this->db->quote($this->end->get(IL_CAL_DATETIME,'','UTC'),'timestamp')." ".
                        "AND enda >= ".$this->db->quote($this->start->get(IL_CAL_DATETIME,'','UTC'),'timestamp').") ".
                        "OR (starta <= ".$this->db->quote($this->end->get(IL_CAL_DATETIME,'','UTC'),'timestamp')." ".
                        "AND NOT rule_id IS NULL)) ".
                        "AND ".$ilDB->in('ca.cat_id',$cats,false,'integer')." ".
                        "ORDER BY starta";
                $res = $this->db->query($query);
                
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        if(!$this->hidden_cat->isAppointmentVisible($row->cal_id))
                        {
                                $events[] = new ilCalendarEntry($row->cal_id);
                        }
                }
                /*
                foreach($events as $event)
                {
                        var_dump("<pre>",$event->getTitle(),"</pre>");
                }
                */
                return $events ? $events : array();
        }

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ilCalendarSchedule::initPeriod ( ilDate $seed )

protected

init period of events

protected

Parameters

ilDate seed

Returns

Definition at line 324 of file class.ilCalendarSchedule.php.

References $start, ilCalendarUtil\_getMaxDayOfMonth(), IL_CAL_DATE, IL_CAL_DAY, IL_CAL_FKT_DATE, IL_CAL_FKT_GETDATE, and ilDateTime\increment().

Referenced by __construct().

        {
                switch($this->type)
                {
                        case self::TYPE_DAY:
                                $this->start = clone $seed;
                                $this->end = clone $seed;
                                $this->start->increment(IL_CAL_DAY,-2);
                                $this->end->increment(IL_CAL_DAY,2);
                                break;
                        
                        case self::TYPE_WEEK:
                                $this->start = clone $seed;
                                $start_info = $this->start->get(IL_CAL_FKT_GETDATE,'','UTC');
                                $day_diff = $this->weekstart - $start_info['isoday'];
                                if($day_diff == 7)
                                {
                                        $day_diff = 0;
                                }
                                $this->start->increment(IL_CAL_DAY,$day_diff);
                                $this->start->increment(IL_CAL_DAY,-1);
                                $this->end = clone $this->start;
                                $this->end->increment(IL_CAL_DAY,9);
                                break;
                        
                        case self::TYPE_MONTH:
                                $year_month = $seed->get(IL_CAL_FKT_DATE,'Y-m','UTC');
                                list($year,$month) = explode('-',$year_month);
                        
                                $this->start = new ilDate($year_month.'-01',IL_CAL_DATE);
                                $this->start->increment(IL_CAL_DAY,-6);
                                
                                $this->end = new ilDate($year_month.'-'.ilCalendarUtil::_getMaxDayOfMonth($year,$month),IL_CAL_DATE);
                                $this->end->increment(IL_CAL_DAY,6);
                                break;
                }
                
                return true;
        }