ilCalendarSchedule Class Reference

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, $a_user_id=0)
	Constructor.
	getEventsLimit ()
	get current limit of events
	setEventsLimit ($a_limit)
	Set events limit.
	addSubitemCalendars ($a_status)
	Enable subitem calendars (session calendars for courses)
	enabledSubitemCalendars ()
	Are subitem calendars enabled.
	addFilter (ilCalendarScheduleFilter $a_filter)
	Add filter.
	getByDay (ilDate $a_start, $a_timezone)
	get byday
	calculate ()
	calculate
	getScheduledEvents ()
	getChangedEvents ($a_include_subitem_calendars=false)
	get new/changed events
	getEvents ()
	Read events (will be moved to another class, since only active and/or visible calendars are shown)

Data Fields
const	TYPE_DAY = 1
const	TYPE_WEEK = 2
const	TYPE_MONTH = 3
const	TYPE_INBOX = 4
const	TYPE_PD_UPCOMING = 5

Protected Member Functions
	areEventsLimited ()
	Check if events are limited.
	filterCategories (array $a_cats)
	isValidEventByFilters (ilCalendarEntry $a_event)
	initPeriod (ilDate $seed)
	init period of events

Protected Attributes
	$limit_events = -1
	$schedule = array()
	$timezone
	$weekstart
	$type = 0
	$subitems_enabled = false
	$start = null
	$end = null
	$user = null
	$user_settings = null
	$db = null
	$filters = array()

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 73 of file class.ilCalendarSchedule.php.

References $ilDB, $ilUser, ilCalendarCategories\_getInstance(), ilCalendarUserSettings\_getInstanceByUserId(), addFilter(), initPeriod(), ilCalendarCategories\MODE_CONSULTATION, and ilCalendarCategories\MODE_PORTFOLIO_CONSULTATION.

        {
                global $ilUser,$ilDB;
                
                $this->db = $ilDB;

                $this->type = $a_type;
                $this->initPeriod($seed);

                if(!$a_user_id || $a_user_id == $ilUser->getId())
                {
                        $this->user = $ilUser;
                }
                else
                {
                        $this->user = new ilObjUser($a_user_id);
                }
                $this->user_settings = ilCalendarUserSettings::_getInstanceByUserId($this->user->getId());
                $this->weekstart = $this->user_settings->getWeekStart();
                $this->timezone = $this->user->getTimeZone();
                                                
                
                // category / event filters
                
                include_once('./Services/Calendar/classes/class.ilCalendarCategories.php');
                
                // portfolio does custom filter handling (booking group ids)            
                if(ilCalendarCategories::_getInstance()->getMode() != ilCalendarCategories::MODE_PORTFOLIO_CONSULTATION)
                {
                        // consultation hour calendar views do not mind calendar category visibility
                        if(ilCalendarCategories::_getInstance()->getMode() != ilCalendarCategories::MODE_CONSULTATION)
                        {
                                // this is the "default" filter which handles currently hidden categories for the user
                                include_once('./Services/Calendar/classes/class.ilCalendarScheduleFilterHidden.php');
                                $this->addFilter(new ilCalendarScheduleFilterHidden($this->user->getId()));             
                        }
                        else
                        {
                                // handle booking visibility (target object, booked out)
                                include_once('./Services/Calendar/classes/class.ilCalendarScheduleFilterBookings.php');
                                $this->addFilter(new ilCalendarScheduleFilterBookings($this->user->getId()));           
                        }
                }
                
        }

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Member Function Documentation

ilCalendarSchedule::addFilter

(

ilCalendarScheduleFilter

$a_filter

)

Add filter.

Parameters

ilCalendarScheduleFilter

$a_filter

Definition at line 170 of file class.ilCalendarSchedule.php.

Referenced by __construct().

        {
                $this->filters[] = $a_filter;
        }

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ilCalendarSchedule::addSubitemCalendars

(

$a_status

)

Enable subitem calendars (session calendars for courses)

Parameters

@return

Definition at line 151 of file class.ilCalendarSchedule.php.

        {
                $this->subitems_enabled = $a_status;
        }

ilCalendarSchedule::areEventsLimited ( )

protected

Check if events are limited.

Returns

type

Definition at line 123 of file class.ilCalendarSchedule.php.

Referenced by calculate().

        {
                return $this->limit_events != -1;
        }

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ilCalendarSchedule::calculate

(

)

calculate

protected

Definition at line 227 of file class.ilCalendarSchedule.php.

References ilCalendarCategoryAssignments\_getAppointmentCalendars(), ilCalendarRecurrences\_getRecurrences(), areEventsLimited(), getEvents(), getEventsLimit(), IL_CAL_FKT_GETDATE, IL_CAL_UNIX, and ilUtil\sortArray().

        {               
                $events = $this->getEvents();

                // we need category type for booking handling
                $ids = array();
                foreach($events as $event)
                {
                        $ids[] = $event->getEntryId();
                }
                
                include_once('Services/Calendar/classes/class.ilCalendarCategoryAssignments.php');
                $cat_map = ilCalendarCategoryAssignments::_getAppointmentCalendars($ids);
                include_once('Services/Calendar/classes/class.ilCalendarCategory.php');
                $cat_types = array();
                foreach(array_unique($cat_map) as $cat_id)
                {
                        $cat = new ilCalendarCategory($cat_id);
                        $cat_types[$cat_id] = $cat->getType();
                }
                
                $counter = 0;
                foreach($events 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 $rec_date)
                                        {
                                                if($this->type == self::TYPE_PD_UPCOMING &&
                                                        $rec_date->get(IL_CAL_UNIX) < time())
                                                {
                                                        continue;
                                                }                                               
                                                
                                                $this->schedule[$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();
                                                $this->schedule[$counter]['category_id'] = $cat_map[$event->getEntryId()];
                                                $this->schedule[$counter]['category_type'] = $cat_types[$cat_map[$event->getEntryId()]];
                                                
                                                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;
                                                }
                                                $counter++;
                                                if($this->type != self::TYPE_PD_UPCOMING &&
                                                        $this->areEventsLimited() && $counter >= $this->getEventsLimit())
                                                {
                                                        break;
                                                }
                                                
                                        }
                                }
                        }
                        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();
                                $this->schedule[$counter]['category_id'] = $cat_map[$event->getEntryId()];
                                $this->schedule[$counter]['category_type'] = $cat_types[$cat_map[$event->getEntryId()]];
                                
                                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;
                                        }
                                }
                                $counter++;
                                if($this->type != self::TYPE_PD_UPCOMING &&
                                        $this->areEventsLimited() && $counter >= $this->getEventsLimit())
                                {
                                        break;
                                }
                        }
                }               
                
                if($this->type == self::TYPE_PD_UPCOMING)
                {
                        $this->schedule = ilUtil::sortArray($this->schedule, "dstart", "asc", true);
                        if($this->areEventsLimited() && sizeof($this->schedule) >= $this->getEventsLimit())
                        {
                                $this->schedule = array_slice($this->schedule, 0, $this->getEventsLimit());
                        }
                }
        }

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ilCalendarSchedule::enabledSubitemCalendars

(

)

Are subitem calendars enabled.

Returns

Definition at line 160 of file class.ilCalendarSchedule.php.

References $subitems_enabled.

Referenced by getEvents().

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

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ilCalendarSchedule::filterCategories ( array  $a_cats )

protected

Definition at line 350 of file class.ilCalendarSchedule.php.

Referenced by getChangedEvents(), and getEvents().

        {
                if(!sizeof($a_cats))
                {
                        return;
                }
                
                foreach($this->filters as $filter)
                {                       
                        if(sizeof($a_cats))
                        {
                                $a_cats = $filter->filterCategories($a_cats);
                        }
                }
                
                return $a_cats;
        }

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

get byday

public

Parameters

ilDate

start

Definition at line 182 of file class.ilCalendarSchedule.php.

References $schedule, $start, $timezone, ilDateTime\DAY, 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);
                $tmp_schedule = array();
                foreach($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;
        }

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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 392 of file class.ilCalendarSchedule.php.

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

        {
                global $ilDB;
                
                include_once('./Services/Calendar/classes/class.ilCalendarCategories.php');
                $cats = ilCalendarCategories::_getInstance($this->user->getId())->getCategories($a_include_subitem_calendars);
                $cats = $this->filterCategories($cats);
                                
                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))
                {                                               
                        $event = new ilCalendarEntry($row->cal_id);                     
                        if($this->isValidEventByFilters($event))
                        {
                                $events[] = $event;
                        }
                }
                return $events ? $events : array();
        }

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ilCalendarSchedule::getEvents

(

)

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

protected

Definition at line 432 of file class.ilCalendarSchedule.php.

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

Referenced by calculate().

        {
                global $ilDB;
                
                include_once('./Services/Calendar/classes/class.ilCalendarCategories.php');
                $cats = ilCalendarCategories::_getInstance($this->user->getId())->getCategories($this->enabledSubitemCalendars());
                $cats = $this->filterCategories($cats);
                
                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)";

                if($this->type != self::TYPE_INBOX)
                {
                        $query .= " WHERE ((starta <= ".$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))";
                }
                else
            {
                        $date = new ilDateTime(mktime(0, 0, 0), IL_CAL_UNIX);
                        $query .= " WHERE starta >= ".$this->db->quote($date->get(IL_CAL_DATETIME,'','UTC'),'timestamp');
                }

                $query .= " AND ".$ilDB->in('ca.cat_id',$cats,false,'integer').
                        " ORDER BY starta";

                $res = $this->db->query($query);
                                
                $events = array();
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $event = new ilCalendarEntry($row->cal_id);                     
                        if($this->isValidEventByFilters($event))
                        {
                                $events[] = $event;
                        }               
                }               
                return $events;
        }

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ilCalendarSchedule::getEventsLimit

(

)

get current limit of events

Returns

type

Definition at line 132 of file class.ilCalendarSchedule.php.

References $limit_events.

Referenced by calculate().

        {
                return $this->limit_events;
        }

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ilCalendarSchedule::getScheduledEvents

(

)

Definition at line 345 of file class.ilCalendarSchedule.php.

References $schedule.

        {
                return (array) $this->schedule;
        }

ilCalendarSchedule::initPeriod ( ilDate  $seed )

protected

init period of events

protected

Parameters

ilDate

seed

Returns

Definition at line 488 of file class.ilCalendarSchedule.php.

References $start, ilCalendarUtil\_getMaxDayOfMonth(), IL_CAL_DATE, IL_CAL_DAY, IL_CAL_FKT_DATE, IL_CAL_FKT_GETDATE, IL_CAL_MONTH, 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;
                        
                        case self::TYPE_PD_UPCOMING:
                        case self::TYPE_INBOX:
                                $this->start = $seed;
                                $this->end = clone $this->start;
                                $this->end->increment(IL_CAL_MONTH,3);
                                break;
                }
                
                return true;
        }

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ilCalendarSchedule::isValidEventByFilters ( ilCalendarEntry  $a_event )

protected

Definition at line 368 of file class.ilCalendarSchedule.php.

References $valid.

Referenced by getChangedEvents(), and getEvents().

        {
                $valid = true;
                
                foreach($this->filters as $filter)
                {                                                       
                        if(!$filter->isValidEvent($a_event))
                        {
                                $valid = false;
                                break;
                        }                       
                }
                
                return $valid;
        }                                               

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ilCalendarSchedule::setEventsLimit

(

$a_limit

)

Set events limit.

Parameters

type

$a_limit

Definition at line 141 of file class.ilCalendarSchedule.php.

        {
                $this->limit_events = $a_limit;
        }

Field Documentation

ilCalendarSchedule::$db = null

protected

Definition at line 61 of file class.ilCalendarSchedule.php.

ilCalendarSchedule::$end = null

protected

Definition at line 58 of file class.ilCalendarSchedule.php.

ilCalendarSchedule::$filters = array()

protected

Definition at line 62 of file class.ilCalendarSchedule.php.

ilCalendarSchedule::$limit_events = -1

protected

Definition at line 49 of file class.ilCalendarSchedule.php.

Referenced by getEventsLimit().

ilCalendarSchedule::$schedule = array()

protected

Definition at line 50 of file class.ilCalendarSchedule.php.

Referenced by getByDay(), and getScheduledEvents().

ilCalendarSchedule::$start = null

protected

Definition at line 57 of file class.ilCalendarSchedule.php.

Referenced by getByDay(), getChangedEvents(), and initPeriod().

ilCalendarSchedule::$subitems_enabled = false

protected

Definition at line 55 of file class.ilCalendarSchedule.php.

Referenced by enabledSubitemCalendars().

ilCalendarSchedule::$timezone

protected

Definition at line 51 of file class.ilCalendarSchedule.php.

Referenced by getByDay().

ilCalendarSchedule::$type = 0

protected

Definition at line 53 of file class.ilCalendarSchedule.php.

ilCalendarSchedule::$user = null

protected

Definition at line 59 of file class.ilCalendarSchedule.php.

ilCalendarSchedule::$user_settings = null

protected

Definition at line 60 of file class.ilCalendarSchedule.php.

ilCalendarSchedule::$weekstart

protected

Definition at line 52 of file class.ilCalendarSchedule.php.

const ilCalendarSchedule::TYPE_DAY = 1

Definition at line 43 of file class.ilCalendarSchedule.php.

Referenced by ilCalendarDayGUI\show().

const ilCalendarSchedule::TYPE_INBOX = 4

Definition at line 46 of file class.ilCalendarSchedule.php.

Referenced by ilCalendarBlockGUI\getOverview(), and ilCalendarInboxGUI\inbox().

const ilCalendarSchedule::TYPE_MONTH = 3

Definition at line 45 of file class.ilCalendarSchedule.php.

Referenced by ilMiniCalendarGUI\addMiniMonth(), ilCalendarBlockGUI\addMiniMonth(), and ilCalendarMonthGUI\show().

const ilCalendarSchedule::TYPE_PD_UPCOMING = 5

Definition at line 47 of file class.ilCalendarSchedule.php.

Referenced by ilCalendarBlockGUI\getData().

const ilCalendarSchedule::TYPE_WEEK = 2

Definition at line 44 of file class.ilCalendarSchedule.php.

Referenced by ilCalendarWeekGUI\show().

---

The documentation for this class was generated from the following file:

• Services/Calendar/classes/class.ilCalendarSchedule.php