class.ilCalendarEntry.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once('Services/Calendar/classes/class.ilDate.php');
include_once('./Services/Calendar/interfaces/interface.ilDatePeriod.php');

define('IL_CAL_TRANSLATION_NONE', 0);
define('IL_CAL_TRANSLATION_SYSTEM', 1);


class ilCalendarEntry implements ilDatePeriod
{
    protected $log;
    protected $db;
    
    
    protected $entry_id;
    protected $last_update;
    protected $title;
    protected $subtitle;
    protected $description;
    protected $location;
    protected $further_informations;
    protected $start = null;
    protected $fullday;
    protected $end = null;
    protected $is_auto_generated = false;
    protected $context_id = 0;
    protected $translation_type = IL_CAL_TRANSLATION_NONE;
    protected $is_milestone = false;
    protected $completion = 0;

    protected $notification = false;

    public function __construct($a_id = 0)
    {
        global $ilDB,$ilLog;
        
        $this->log = $ilLog;
        $this->db = $ilDB;
        
        if ($this->entry_id = $a_id) {
            $this->read();
        }
    }

    public function __clone()
    {
        $this->entry_id = null;
    }
    
    public static function _delete($a_entry_id)
    {
        global $ilDB;
        
        include_once('./Services/Calendar/classes/class.ilCalendarRecurrence.php');
        ilCalendarRecurrence::_delete($a_entry_id);
        
        $query = "DELETE FROM cal_entries " .
            "WHERE cal_id = " . $ilDB->quote($a_entry_id, 'integer') . " ";
        $res = $ilDB->manipulate($query);
        
        return true;
    }

    public function getEntryId()
    {
        return $this->entry_id;
    }
    
    public function getLastUpdate()
    {
        return $this->last_update ? $this->last_update : new ilDateTime(time(), IL_CAL_UNIX);
    }
    
    public function setLastUpdate($a_date)
    {
        $this->last_update = $a_date;
    }
    
    
    public function getStart()
    {
        return $this->start;
    }
    
    public function setStart($a_start)
    {
        $this->start = $a_start;
    }
    
    public function getEnd()
    {
        return $this->end;
    }
    
    public function setEnd($a_end)
    {
        $this->end = $a_end;
    }
    
    public function setTitle($a_title)
    {
        $this->title = $a_title;
    }
    
    public function getTitle()
    {
        return $this->title;
    }
    
    public function getPresentationTitle($a_shorten = true)
    {
        global $lng;
        
        if ($this->getTranslationType() == IL_CAL_TRANSLATION_NONE) {
            $title = $this->getTitle();
        } elseif (strlen($this->getSubtitle())) {
            // parse dynamic title?
            if (preg_match("/#([a-z]+)#/", $this->getSubtitle(), $matches)) {
                $subtitle = $this->parseDynamicTitle($matches[1]);
            } else {
                $subtitle = $lng->txt($this->getSubtitle());
            }
            $title = $this->getTitle() .
                (strlen($subtitle)
                ? ' (' . $subtitle . ')'
                : '');
        } else {
            $title = $lng->txt($this->getTitle());
        }

        if ($a_shorten) {
            return ilUtil::shortenText(ilUtil::shortenWords($title, 20), 40, true);
        }
        return $title;
    }
    
    public function getPresentationStyle()
    {
        // see parseDynamicTitle()
        return $this->presentation_style;
    }
    
    protected function parseDynamicTitle($a_type)
    {
        global $lng;
        
        $title = $style = "";
        switch ($a_type) {
            case "consultationhour":
                include_once 'Services/Booking/classes/class.ilBookingEntry.php';
                $entry = new ilBookingEntry($this->getContextId());
                if ($entry) {
                    if ($entry->isOwner()) {
                        $max = (int) $entry->getNumberOfBookings();
                        $current = (int) $entry->getCurrentNumberOfBookings($this->getEntryId());
                        if (!$current) {
                            $style = ';border-left-width: 5px; border-left-style: solid; border-left-color: green';
                            $title = $lng->txt('cal_book_free');
                        } elseif ($current >= $max) {
                            $style = ';border-left-width: 5px; border-left-style: solid; border-left-color: red';
                            $title = $lng->txt('cal_booked_out');
                        } else {
                            $style = ';border-left-width: 5px; border-left-style: solid; border-left-color: yellow';
                            $title = $current . '/' . $max;
                        }
                    } else {
                        /*
                         * if($entry->hasBooked($this->getEntryId()))
                         */
                        include_once 'Services/Calendar/classes/ConsultationHours/class.ilConsultationHourAppointments.php';
                        $apps = ilConsultationHourAppointments::getAppointmentIds($entry->getObjId(), $this->getContextId(), $this->getStart());
                        $orig_event = $apps[0];
                        if ($entry->hasBooked($orig_event)) {
                            $style = ';border-left-width: 5px; border-left-style: solid; border-left-color: green';
                            $title = $lng->txt('cal_date_booked');
                        }
                    }
                }
                break;
        }
        
        if ($style) {
            $this->presentation_style = $style;
        }
        return $title;
    }
    
    public function setSubtitle($a_subtitle)
    {
        $this->subtitle = $a_subtitle;
    }
    
    public function getSubtitle()
    {
        return $this->subtitle;
    }
    
    public function setDescription($a_description)
    {
        $this->description = $a_description;
    }
    
    public function getDescription()
    {
        return $this->description;
    }
    
    public function setLocation($a_location)
    {
        $this->location = $a_location;
    }
    
    public function getLocation()
    {
        return $this->location;
    }
    
    public function setFurtherInformations($a_informations)
    {
        $this->further_informations = $a_informations;
    }
    
    public function getFurtherInformations()
    {
        return $this->further_informations;
    }
    
    public function setFullday($a_fullday)
    {
        $this->fullday = (bool) $a_fullday;
    }
    
    public function isFullday()
    {
        return (bool) $this->fullday;
    }
    
    public function isAutoGenerated()
    {
        return (bool) $this->is_auto_generated;
    }
    
    public function setAutoGenerated($a_status)
    {
        $this->is_auto_generated = $a_status;
    }
    
    public function isMilestone()
    {
        return (bool) $this->is_milestone;
    }
    
    public function setMilestone($a_status)
    {
        $this->is_milestone = $a_status;
    }

    public function setCompletion($a_completion)
    {
        $this->completion = $a_completion;
    }

    public function getCompletion()
    {
        return $this->completion;
    }

    public function setContextId($a_context_id)
    {
        $this->context_id = $a_context_id;
    }
    
    public function getContextId()
    {
        return $this->context_id;
    }
    
    public function setTranslationType($a_type)
    {
        $this->translation_type = $a_type;
    }
    
    public function getTranslationType()
    {
        return $this->translation_type;
    }
    
    public function enableNotification($a_status)
    {
        $this->notification = $a_status;
    }
    
    public function isNotificationEnabled()
    {
        return (bool) $this->notification;
    }
    
    public function update()
    {
        global $ilDB;
        
        $now = new ilDateTime(time(), IL_CAL_UNIX);
        $utc_timestamp = $now->get(IL_CAL_DATETIME, '', ilTimeZone::UTC);
        
        
        $query = "UPDATE cal_entries " .
            "SET title = " . $this->db->quote($this->getTitle(), 'text') . ", " .
            "last_update = " . $ilDB->quote($utc_timestamp, 'timestamp') . ", " .
            "subtitle = " . $this->db->quote($this->getSubtitle(), 'text') . ", " .
            "description = " . $this->db->quote($this->getDescription(), 'text') . ", " .
            "location = " . $this->db->quote($this->getLocation(), 'text') . ", " .
            "fullday = " . $ilDB->quote($this->isFullday() ? 1 : 0, 'integer') . ", " .
            "starta = " . $this->db->quote($this->getStart()->get(IL_CAL_DATETIME, '', 'UTC'), 'timestamp') . ", " .
            "enda = " . $this->db->quote($this->getEnd()->get(IL_CAL_DATETIME, '', 'UTC'), 'timestamp') . ", " .
            "informations = " . $this->db->quote($this->getFurtherInformations(), 'text') . ", " .
            "auto_generated =  " . $this->db->quote($this->isAutoGenerated(), 'integer') . ", " .
            "translation_type = " . $this->db->quote($this->getTranslationType(), 'integer') . ", " .
            "context_id = " . $this->db->quote($this->getContextId(), 'integer') . ", " .
            "completion = " . $this->db->quote($this->getCompletion(), 'integer') . ", " .
            "is_milestone = " . $this->db->quote($this->isMilestone() ? 1 : 0, 'integer') . ", " .
            'notification = ' . $this->db->quote($this->isNotificationEnabled() ? 1 : 0, 'integer') . ' ' .
            "WHERE cal_id = " . $this->db->quote($this->getEntryId(), 'integer') . " ";
        $res = $ilDB->manipulate($query);

        return true;
    }
    
    public function save()
    {
        global $ilDB;
        
        $next_id = $ilDB->nextId('cal_entries');
        $now = new ilDateTime(time(), IL_CAL_UNIX);
        $utc_timestamp = $now->get(IL_CAL_DATETIME, '', ilTimeZone::UTC);

        $query = "INSERT INTO cal_entries (cal_id,title,last_update,subtitle,description,location,fullday,starta,enda, " .
            "informations,auto_generated,context_id,translation_type, completion, is_milestone, notification) " .
            "VALUES( " .
            $ilDB->quote($next_id, 'integer') . ", " .
            $this->db->quote($this->getTitle(), 'text') . ", " .
            $ilDB->quote($utc_timestamp, 'timestamp') . ", " .
            $this->db->quote($this->getSubtitle(), 'text') . ", " .
            $this->db->quote($this->getDescription(), 'text') . ", " .
            $this->db->quote($this->getLocation(), 'text') . ", " .
            $ilDB->quote($this->isFullday() ? 1 : 0, 'integer') . ", " .
            $this->db->quote($this->getStart()->get(IL_CAL_DATETIME, '', 'UTC'), 'timestamp') . ", " .
            $this->db->quote($this->getEnd()->get(IL_CAL_DATETIME, '', 'UTC'), 'timestamp') . ", " .
            $this->db->quote($this->getFurtherInformations(), 'text') . ", " .
            $this->db->quote($this->isAutoGenerated(), 'integer') . ", " .
            $this->db->quote($this->getContextId(), 'integer') . ", " .
            $this->db->quote($this->getTranslationType(), 'integer') . ", " .
            $this->db->quote($this->getCompletion(), 'integer') . ", " .
            $this->db->quote($this->isMilestone() ? 1 : 0, 'integer') . ", " .
            $this->db->quote($this->isNotificationEnabled() ? 1 : 0, 'integer') . ' ' .
            ")";
        $res = $ilDB->manipulate($query);
        
        $this->entry_id = $next_id;
        return true;
    }
    
    public function delete()
    {
        global $ilDB;
        
        include_once('./Services/Calendar/classes/class.ilCalendarRecurrence.php');
        ilCalendarRecurrence::_delete($this->getEntryId());
        
        $query = "DELETE FROM cal_entries " .
            "WHERE cal_id = " . $this->db->quote($this->getEntryId(), 'integer') . " ";
        $res = $ilDB->manipulate($query);
        
        include_once './Services/Calendar/classes/class.ilCalendarCategoryAssignments.php';
        ilCalendarCategoryAssignments::_deleteByAppointmentId($this->getEntryId());
        
        return true;
    }
    
    public function validate()
    {
        global $ilErr,$lng;
        
        $success = true;
        $ilErr->setMessage('');
        if (!strlen($this->getTitle())) {
            $success = false;
            $ilErr->appendMessage($lng->txt('err_missing_title'));
        }
        if (!$this->getStart() || !$this->getEnd()) {
            $success = false;
        } elseif (ilDateTime::_before($this->getEnd(), $this->getStart(), '')) {
            $success = false;
            $ilErr->appendMessage($lng->txt('err_end_before_start'));
        }
        return $success;
    }
    
    
    
    protected function read()
    {
        global $ilDB;
        
        $query = "SELECT * FROM cal_entries WHERE cal_id = " . $this->db->quote($this->getEntryId(), 'integer') . " ";
        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->setLastUpdate(new ilDateTime($row->last_update, IL_CAL_DATETIME, 'UTC'));
            $this->setTitle($row->title);
            $this->setSubtitle($row->subtitle);
            $this->setDescription($row->description);
            $this->setLocation($row->location);
            $this->setFurtherInformations($row->informations);
            $this->setFullday((bool) $row->fullday);
            $this->setAutoGenerated($row->auto_generated);
            $this->setContextId($row->context_id);
            $this->setTranslationType($row->translation_type);
            $this->setCompletion($row->completion);
            $this->setMilestone($row->is_milestone);
            $this->enableNotification((bool) $row->notification);
            
            if ($this->isFullday()) {
                $this->start = new ilDate($row->starta, IL_CAL_DATETIME);
                $this->end = new ilDate($row->enda, IL_CAL_DATETIME);
            } else {
                $this->start = new ilDateTime($row->starta, IL_CAL_DATETIME, 'UTC');
                $this->end = new ilDateTime($row->enda, IL_CAL_DATETIME, 'UTC');
            }
        }
    }
    
    public function appointmentToMailString($lng)
    {
        $body = $lng->txt('cal_details');
        $body .= "\n\n";
        $body .= $lng->txt('title') . ': ' . $this->getTitle() . "\n";
        
        ilDatePresentation::setUseRelativeDates(false);
        $body .= $lng->txt('date') . ': ' . ilDatePresentation::formatPeriod($this->getStart(), $this->getEnd()) . "\n";
        ilDatePresentation::setUseRelativeDates(true);
        
        if (strlen($this->getLocation())) {
            $body .= $lng->txt('cal_where') . ': ' . $this->getLocation() . "\n";
        }
    
        if (strlen($this->getDescription())) {
            $body .= $lng->txt('description') . ': ' . $this->getDescription() . "\n";
        }
        return $body;
    }
    
    
    public function writeResponsibleUsers($a_users)
    {
        global $ilDB;
        
        $ilDB->manipulateF(
            "DELETE FROM cal_entry_responsible WHERE cal_id = %s",
            array("integer"),
            array($this->getEntryId())
        );
        
        if (is_array($a_users)) {
            foreach ($a_users as $user_id) {
                $ilDB->manipulateF(
                    "INSERT INTO cal_entry_responsible (cal_id, user_id) " .
                    " VALUES (%s,%s)",
                    array("integer", "integer"),
                    array($this->getEntryId(), $user_id)
                );
            }
        }
        
        $this->responsible_users = $a_users;
    }
    
    public function readResponsibleUsers()
    {
        global $ilDB;
        
        $set = $ilDB->queryF(
            "SELECT * FROM cal_entry_responsible WHERE cal_id = %s",
            array("integer"),
            array($this->getEntryId())
        );

        $return = array();
        while ($rec = $ilDB->fetchAssoc($set)) {
            $n = ilObjUser::_lookupName($rec["user_id"]);
            $return[] = array_merge(
                $n,
                array("login" => ilObjUser::_lookupLogin($rec["user_id"]))
            );
        }

        return $return;
    }
}