class.ilBookingObjectsTableGUI.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/Table/classes/class.ilTable2GUI.php");

class ilBookingObjectsTableGUI extends ilTable2GUI
{
    protected $access;

    protected $user;

    protected $ref_id; // [int]
    protected $pool_id; // [int]
    protected $has_schedule;    // [bool]
    protected $may_edit;        // [bool]
    protected $overall_limit;   // [int]
    protected $reservations = array();  // [array]
    protected $current_bookings; // [int]
    protected $advmd; // [array]
    protected $filter; // [array]
    
    public function __construct($a_parent_obj, $a_parent_cmd, $a_ref_id, $a_pool_id, $a_pool_has_schedule, $a_pool_overall_limit)
    {
        global $DIC;

        $this->ctrl = $DIC->ctrl();
        $this->lng = $DIC->language();
        $this->access = $DIC->access();
        $this->user = $DIC->user();
        $ilCtrl = $DIC->ctrl();
        $lng = $DIC->language();
        $ilAccess = $DIC->access();

        $this->ref_id = $a_ref_id;
        $this->pool_id = $a_pool_id;
        $this->has_schedule = $a_pool_has_schedule;
        $this->overall_limit = $a_pool_overall_limit;
        $this->may_edit = $ilAccess->checkAccess('write', '', $this->ref_id);
        
        $this->advmd = ilObjBookingPool::getAdvancedMDFields($this->ref_id);
        
        $this->setId("bkobj");

        parent::__construct($a_parent_obj, $a_parent_cmd);

        $this->setTitle($lng->txt("book_objects_list"));

        // $this->setLimit(9999);
        
        $this->addColumn($this->lng->txt("title"), "title");
        
        $cols = $this->getSelectableColumns();
        foreach ($this->getSelectedColumns() as $col) {
            $this->addColumn($cols[$col]["txt"], $col);
        }
        
        if (!$this->has_schedule) {
            $this->addColumn($this->lng->txt("available"));
        }

        $this->addColumn($this->lng->txt("actions"));

        $this->setEnableHeader(true);
        $this->setFormAction($ilCtrl->getFormAction($a_parent_obj, $a_parent_cmd));
        $this->setRowTemplate("tpl.booking_object_row.html", "Modules/BookingManager");
        
        $this->initFilter();
        $this->getItems();
    }
        
    protected function getAdvMDRecordGUI()
    {
        // #16827
        return $this->record_gui;
    }
    
    public function initFilter()
    {
        $lng = $this->lng;
        
        /*
        // preset period from parameters, e.g. course period
        // currently NOT active
        if(trim($_GET["pf"]) ||
            trim($_GET["pt"]))
        {
            $_SESSION["form_".$this->getId()]["period"] = serialize(array(
                "from" => $_GET["pf"]
                    ? serialize(new ilDateTime(trim($_GET["pf"]), IL_CAL_DATE))
                    : "",
                "to" =>  $_GET["pt"]
                    ? serialize(new ilDateTime(trim($_GET["pt"]), IL_CAL_DATE))
                    : "",
            ));
        }
        */
        
        // title/description
        $title = $this->addFilterItemByMetaType(
            "title",
            ilTable2GUI::FILTER_TEXT,
            false,
            $lng->txt("title") . "/" . $lng->txt("description")
        );
        $this->filter["title"] = $title->getValue();
        
        // #18651
        if ($this->has_schedule) {
            // booking period
            $period = $this->addFilterItemByMetaType(
                "period",
                ilTable2GUI::FILTER_DATE_RANGE,
                false,
                $lng->txt("book_period")
            );
            $this->filter["period"] = $period->getValue();
        }
    }
    
    public function getItems()
    {
        $ilUser = $this->user;
        
        include_once 'Modules/BookingManager/classes/class.ilBookingObject.php';
        $data = ilBookingObject::getList($this->pool_id, $this->filter["title"]);
        
        include_once 'Modules/BookingManager/classes/class.ilBookingSchedule.php';
        include_once 'Modules/BookingManager/classes/class.ilBookingReservation.php';
        
        // check schedule availability
        if ($this->has_schedule) {
            $now = time();
            $limit = strtotime("+1year");
            foreach ($data as $idx => $item) {
                $schedule = new ilBookingSchedule($item["schedule_id"]);
                $av_from = ($schedule->getAvailabilityFrom() && !$schedule->getAvailabilityFrom()->isNull())
                    ? $schedule->getAvailabilityFrom()->get(IL_CAL_UNIX)
                    : null;
                $av_to = ($schedule->getAvailabilityTo() && !$schedule->getAvailabilityTo()->isNull())
                    ? strtotime($schedule->getAvailabilityTo()->get(IL_CAL_DATE) . " 23:59:59")
                    : null;
                if (($av_from && $av_from > $limit) ||
                    ($av_to && $av_to < $now)) {
                    unset($data[$idx]);
                }
                if ($av_from > $now) {
                    $data[$idx]["not_yet"] = ilDatePresentation::formatDate(new ilDate($av_from, IL_CAL_UNIX));
                }
                if ($av_to) {
                    // #18658
                    if (!ilBookingReservation::isObjectAvailableInPeriod($item["booking_object_id"], $schedule, $av_from, $av_to)) {
                        $this->lng->loadLanguageModule("dateplaner");
                        $data[$idx]["full_up"] = $this->lng->txt("cal_booked_out");
                    }
                }
            }
        }
        
        foreach ($data as $item) {
            $item_id = $item["booking_object_id"];
            
            // available for given period?
            if (is_object($this->filter["period"]["from"]) ||
                is_object($this->filter["period"]["to"])) {
                $from = is_object($this->filter["period"]["from"])
                    ? strtotime($this->filter["period"]["from"]->get(IL_CAL_DATE) . " 00:00:00")
                    : null;
                $to = is_object($this->filter["period"]["to"])
                    ? strtotime($this->filter["period"]["to"]->get(IL_CAL_DATE) . " 23:59:59")
                    : null;
                                
                $bobj = new ilBookingObject($item_id);
                $schedule = new ilBookingSchedule($bobj->getScheduleId());
            
                if (!ilBookingReservation::isObjectAvailableInPeriod($item_id, $schedule, $from, $to)) {
                    unset($data[$idx]);
                    continue;
                }
            }
            
            // cache reservations
            $item_rsv = ilBookingReservation::getList(array($item_id), 1000, 0, array());
            $this->reservations[$item_id] = $item_rsv["data"];
        }
        
        if (!$this->has_schedule &&
            $this->overall_limit) {
            $this->current_bookings = 0;
            foreach ($this->reservations as $obj_rsv) {
                foreach ($obj_rsv as $item) {
                    if ($item["status"] != ilBookingReservation::STATUS_CANCELLED) {
                        if ($item["user_id"] == $ilUser->getId()) {
                            $this->current_bookings++;
                        }
                    }
                }
            }
            
            if ($this->current_bookings >= $this->overall_limit) {
                ilUtil::sendInfo($this->lng->txt("book_overall_limit_warning"));
            }
        }
        
        if ($this->advmd) {
            // advanced metadata
            include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDRecordGUI.php');
            $this->record_gui = new ilAdvancedMDRecordGUI(ilAdvancedMDRecordGUI::MODE_FILTER, "book", $this->pool_id, "bobj");
            $this->record_gui->setTableGUI($this);
            $this->record_gui->parse();
            
            include_once("./Services/AdvancedMetaData/classes/class.ilAdvancedMDValues.php");
            $data = ilAdvancedMDValues::queryForRecords(
                $this->ref_id,
                "book",
                "bobj",
                $this->pool_id,
                "bobj",
                $data,
                "pool_id",
                "booking_object_id",
                $this->record_gui->getFilterElements()
            );
        }
        
        $this->setMaxCount(sizeof($data));
        $this->setData($data);
    }
    
    public function numericOrdering($a_field)
    {
        if (substr($a_field, 0, 3) == "md_") {
            $md_id = (int) substr($a_field, 3);
            if ($this->advmd[$md_id]["type"] == ilAdvancedMDFieldDefinition::TYPE_DATE) {
                return true;
            }
        }
        return false;
    }
    
    public function getSelectableColumns()
    {
        $cols = array();
        
        $cols["description"] = array(
            "txt" => $this->lng->txt("description"),
            "default" => true
        );
        
        foreach ($this->advmd as $field) {
            $cols["advmd" . $field["id"]] = array(
                "txt" => $field["title"],
                "default" => false
            );
        }
        
        return $cols;
    }

    protected function fillRow($a_set)
    {
        $lng = $this->lng;
        $ilCtrl = $this->ctrl;
        $ilUser = $this->user;
        
        $has_booking = false;
        $booking_possible = true;
        $has_reservations = false;
        
        $selected = $this->getSelectedColumns();

        $this->tpl->setVariable("TXT_TITLE", $a_set["title"]);
        
        if (in_array("description", $selected)) {
            $this->tpl->setVariable("TXT_DESC", nl2br($a_set["description"]));
        }
        
        if ($a_set["full_up"]) {
            $this->tpl->setVariable("NOT_YET", $a_set["full_up"]);
            $booking_possible = false;
        } elseif ($a_set["not_yet"]) {
            $this->tpl->setVariable("NOT_YET", $a_set["not_yet"]);
        }
        
        if (!$this->has_schedule) {
            $cnt = 0;
            foreach ($this->reservations[$a_set["booking_object_id"]] as $item) {
                if ($item["status"] != ilBookingReservation::STATUS_CANCELLED) {
                    $cnt++;
                
                    if ($item["user_id"] == $ilUser->getId()) {
                        $has_booking = true;
                    }
                    
                    $has_reservations = true;
                }
            }
            
            $this->tpl->setVariable("VALUE_AVAIL", $a_set["nr_items"]-$cnt);
            $this->tpl->setVariable("VALUE_AVAIL_ALL", $a_set["nr_items"]);

            if ($a_set["nr_items"] <= $cnt || $has_booking
                || ($this->overall_limit && $this->current_bookings && $this->current_bookings >= $this->overall_limit)) {
                $booking_possible = false;
            }
        } elseif (!$this->may_edit) {
            foreach ($this->reservations[$a_set["booking_object_id"]] as $item) {
                if ($item["status"] != ilBookingReservation::STATUS_CANCELLED &&
                    $item["user_id"] == $ilUser->getId()) {
                    $has_booking = true;
                }
            }
        }
        
        $items = array();
        
        $ilCtrl->setParameter($this->parent_obj, 'object_id', $a_set['booking_object_id']);
        
        if ($booking_possible) {
            if (is_object($this->filter['period']['from'])) {
                $ilCtrl->setParameter($this->parent_obj, 'sseed', $this->filter['period']['from']->get(IL_CAL_DATE));
            }
            
            $items['book'] = array($lng->txt('book_book'), $ilCtrl->getLinkTarget($this->parent_obj, 'book'));
            
            $ilCtrl->setParameter($this->parent_obj, 'sseed', '');
        }
        
        // #16663
        if (!$this->has_schedule && $has_booking) {
            if (trim($a_set['post_text']) || $a_set['post_file']) {
                $items['post'] = array($lng->txt('book_post_booking_information'), $ilCtrl->getLinkTarget($this->parent_obj, 'displayPostInfo'));
            }
            
            $items['cancel'] = array($lng->txt('book_set_cancel'), $ilCtrl->getLinkTarget($this->parent_obj, 'rsvConfirmCancelUser'));
        }
            
        if ($this->may_edit || $has_booking) {
            $ilCtrl->setParameterByClass('ilObjBookingPoolGUI', 'object_id', $a_set['booking_object_id']);
            $items['log'] = array($lng->txt('book_log'), $ilCtrl->getLinkTargetByClass('ilObjBookingPoolGUI', 'log'));
            $ilCtrl->setParameterByClass('ilObjBookingPoolGUI', 'object_id', '');
        }

        if ($a_set['info_file']) {
            $items['info'] = array($lng->txt('book_download_info'), $ilCtrl->getLinkTarget($this->parent_obj, 'deliverInfo'));
        }
        
        if ($this->may_edit) {
            $items['edit'] = array($lng->txt('edit'), $ilCtrl->getLinkTarget($this->parent_obj, 'edit'));
            
            // #10890
            if (!$has_reservations) {
                $items['delete'] = array($lng->txt('delete'), $ilCtrl->getLinkTarget($this->parent_obj, 'confirmDelete'));
            }
        }
        
        if ($this->advmd) {
            foreach ($this->advmd as $item) {
                $advmd_id = (int) $item["id"];
                
                if (!in_array("advmd" . $advmd_id, $selected)) {
                    continue;
                }
                                
                $val = " ";
                if (isset($a_set["md_" . $advmd_id . "_presentation"])) {
                    $pb = $a_set["md_" . $advmd_id . "_presentation"]->getList();
                    if ($pb) {
                        $val = $pb;
                    }
                }
                
                $this->tpl->setCurrentBlock("advmd_bl");
                $this->tpl->setVariable("ADVMD_VAL", $val);
                $this->tpl->parseCurrentBlock();
            }
        }

        if (sizeof($items)) {
            $this->tpl->setCurrentBlock("actions");
            foreach ($items as $item) {
                $this->tpl->setVariable("ACTION_CAPTION", $item[0]);
                $this->tpl->setVariable("ACTION_LINK", $item[1]);
                $this->tpl->parseCurrentBlock();
            }
        }
    }
}