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<?php
/**
* ---------------------------------------------------------------------
*
* GLPI - Gestionnaire Libre de Parc Informatique
*
* http://glpi-project.org
*
* @copyright 2015-2023 Teclib' and contributors.
* @copyright 2003-2014 by the INDEPNET Development Team.
* @licence https://www.gnu.org/licenses/gpl-3.0.html
*
* ---------------------------------------------------------------------
*
* LICENSE
*
* This file is part of GLPI.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* ---------------------------------------------------------------------
*/
/**
* CalendarSegment Class
*/
class CalendarSegment extends CommonDBChild
{
// From CommonDBTM
public $dohistory = true;
// From CommonDBChild
public static $itemtype = 'Calendar';
public static $items_id = 'calendars_id';
/**
* @since 0.84
**/
public function getForbiddenStandardMassiveAction()
{
$forbidden = parent::getForbiddenStandardMassiveAction();
$forbidden[] = 'update';
return $forbidden;
}
public static function getTypeName($nb = 0)
{
return _n('Time range', 'Time ranges', $nb);
}
public function prepareInputForAdd($input)
{
// Check override of segment : do not add
if (
count(self::getSegmentsBetween(
$input['calendars_id'],
$input['day'],
$input['begin'],
$input['day'],
$input['end']
)) > 0
) {
Session::addMessageAfterRedirect(
__('Can not add a range riding an existing period'),
false,
ERROR
);
return false;
}
return parent::prepareInputForAdd($input);
}
public function post_addItem()
{
// Update calendar cache
$cal = new Calendar();
$cal->updateDurationCache($this->fields['calendars_id']);
parent::post_addItem();
}
public function post_deleteFromDB()
{
// Update calendar cache
$cal = new Calendar();
$cal->updateDurationCache($this->fields['calendars_id']);
parent::post_deleteFromDB();
}
/**
* Get segments of a calendar between 2 date
*
* @param integer $calendars_id id of the calendar
* @param integer $begin_day begin day number
* @param string $begin_time begin time to check
* @param integer $end_day end day number
* @param string $end_time end time to check
**/
public static function getSegmentsBetween($calendars_id, $begin_day, $begin_time, $end_day, $end_time)
{
// Do not check hour if day before the end day of after the begin day
return getAllDataFromTable(
'glpi_calendarsegments',
[
'calendars_id' => $calendars_id,
['day' => ['>=', $begin_day]],
['day' => ['<=', $end_day]],
['OR' => [
'begin' => ['<', $end_time],
'day' => ['<', $end_day]
]
],
['OR' => [
'end' => ['>=', $begin_time],
'day' => ['>', $begin_day]
]
]
]
);
}
/**
* Get active time between begin and end time in a day
*
* @param integer $calendars_id id of the calendar
* @param integer $day day number
* @param string $begin_time begin time to check
* @param string $end_time end time to check
*
* @return integer Time in seconds
**/
public static function getActiveTimeBetween($calendars_id, $day, $begin_time, $end_time)
{
global $DB;
$sum = 0;
// Do not check hour if day before the end day of after the begin day
$iterator = $DB->request([
'SELECT' => [
new \QueryExpression("
TIMEDIFF(
LEAST(" . $DB->quoteValue($end_time) . ", " . $DB->quoteName('end') . "),
GREATEST(" . $DB->quoteName('begin') . ", " . $DB->quoteValue($begin_time) . ")
) AS " . $DB->quoteName('TDIFF'))
],
'FROM' => 'glpi_calendarsegments',
'WHERE' => [
'calendars_id' => $calendars_id,
'day' => $day,
'begin' => ['<', $end_time],
'end' => ['>', $begin_time]
]
]);
foreach ($iterator as $data) {
list($hour, $minute ,$second) = explode(':', $data['TDIFF']);
$sum += $hour * HOUR_TIMESTAMP + $minute * MINUTE_TIMESTAMP + $second;
}
return $sum;
}
/**
* Add a delay of a starting hour in a specific day
*
* @param integer $calendars_id id of the calendar
* @param integer $day day number
* @param string $begin_time begin time
* @param integer $delay timestamp delay to add
* @param bool $negative_delay are we adding or removing time ?
*
* @return string|false Ending timestamp (HH:mm:dd) of delay or false if not applicable.
**/
public static function addDelayInDay(
$calendars_id,
$day,
$begin_time,
$delay,
bool $negative_delay = false
) {
// TODO: unit test this method with complex calendars using multiple
// disconnected segments per day
global $DB;
// Common SELECT for both modes
$SELECT = [
new \QueryExpression(
sprintf(
"TIMEDIFF(
%s,
GREATEST(%s, %s)
) AS %s",
$DB->quoteName('end'),
$DB->quoteName('begin'),
$DB->quoteValue($begin_time),
$DB->quoteName('TDIFF')
),
)
];
// Common WHERE for both modes
$WHERE = [
'calendars_id' => $calendars_id,
'day' => $day,
];
// Add specific SELECT and WHERE clauses
if (!$negative_delay) {
$SELECT[] = new \QueryExpression(
sprintf("GREATEST(%s, %s) AS %s", ...[
$DB->quoteName('begin'),
$DB->quoteValue($begin_time),
$DB->quoteName('BEGIN'),
])
);
$WHERE['end'] = ['>', $begin_time];
} else {
// When counting back time, "00:00:00" can't be used for some comparison
// as it is supposed to represent the end of the day
// (e.g. finding calendar segments that start before 00:00:00 would always
// return no results but using 23:59:59 get us the correct behavior).
$adjusted_time_for_comparaison_in_negative_delay_mode = $begin_time == "00:00:00" ? "23:59:59" : $begin_time;
$SELECT[] = new \QueryExpression(
sprintf(
"LEAST(%s, %s) AS %s",
$DB->quoteName('end'),
$DB->quoteValue($adjusted_time_for_comparaison_in_negative_delay_mode),
$DB->quoteName('END'),
)
);
$WHERE['begin'] = ['<', $adjusted_time_for_comparaison_in_negative_delay_mode];
}
$iterator = $DB->request([
'SELECT' => $SELECT,
'FROM' => self::getTable(),
'WHERE' => $WHERE,
'ORDER' => !$negative_delay ? 'begin' : 'end DESC'
]);
foreach ($iterator as $data) {
list($hour, $minute, $second) = explode(':', $data['TDIFF']);
$tstamp = $hour * HOUR_TIMESTAMP + $minute * MINUTE_TIMESTAMP + $second;
// Delay is completed
if ($delay <= $tstamp) {
if (!$negative_delay) {
// Add time
list($begin_hour, $begin_minute, $begin_second) = explode(':', $data['BEGIN']);
$beginstamp = $begin_hour * HOUR_TIMESTAMP + $begin_minute * MINUTE_TIMESTAMP + $begin_second;
$endstamp = $beginstamp + $delay;
} else {
// Substract time
list($begin_hour, $begin_minute, $begin_second) = explode(':', $data['END']);
$beginstamp = $begin_hour * HOUR_TIMESTAMP + $begin_minute * MINUTE_TIMESTAMP + $begin_second;
$endstamp = $beginstamp - $delay;
}
$units = Toolbox::getTimestampTimeUnits($endstamp);
return str_pad($units['hour'], 2, '0', STR_PAD_LEFT) . ':' .
str_pad($units['minute'], 2, '0', STR_PAD_LEFT) . ':' .
str_pad($units['second'], 2, '0', STR_PAD_LEFT);
} else {
$delay -= $tstamp;
}
}
return false;
}
/**
* Get first working hour of a day
*
* @param integer $calendars_id id of the calendar
* @param integer $day day number
*
* @return string Timestamp (HH:mm:dd) of first working hour
**/
public static function getFirstWorkingHour($calendars_id, $day)
{
global $DB;
// Do not check hour if day before the end day of after the begin day
$result = $DB->request([
'SELECT' => ['MIN' => 'begin AS minb'],
'FROM' => 'glpi_calendarsegments',
'WHERE' => [
'calendars_id' => $calendars_id,
'day' => $day
]
])->current();
return $result['minb'];
}
/**
* Get last working hour of a day
*
* @param integer $calendars_id id of the calendar
* @param integer $day day number
*
* @return string Timestamp (HH:mm:dd) of last working hour
**/
public static function getLastWorkingHour($calendars_id, $day)
{
global $DB;
// Do not check hour if day before the end day of after the begin day
$result = $DB->request([
'SELECT' => ['MAX' => 'end AS mend'],
'FROM' => 'glpi_calendarsegments',
'WHERE' => [
'calendars_id' => $calendars_id,
'day' => $day
]
])->current();
return $result['mend'];
}
/**
* Is the hour passed is a working hour ?
*
* @param integer $calendars_id id of the calendar
* @param integer $day day number
* @param string $hour hour (Format HH:MM::SS)
*
* @return boolean
**/
public static function isAWorkingHour($calendars_id, $day, $hour)
{
global $DB;
// Do not check hour if day before the end day of after the begin day
$result = $DB->request([
'COUNT' => 'cpt',
'FROM' => 'glpi_calendarsegments',
'WHERE' => [
'calendars_id' => $calendars_id,
'day' => $day,
'begin' => ['<=', $hour],
'end' => ['>=', $hour]
]
])->current();
return $result['cpt'] > 0;
}
/**
* Show segments of a calendar
*
* @param $calendar Calendar object
**/
public static function showForCalendar(Calendar $calendar)
{
global $DB;
$ID = $calendar->getField('id');
if (!$calendar->can($ID, READ)) {
return false;
}
$canedit = $calendar->can($ID, UPDATE);
$rand = mt_rand();
$iterator = $DB->request([
'FROM' => 'glpi_calendarsegments',
'WHERE' => [
'calendars_id' => $ID
],
'ORDER' => [
'day',
'begin',
'end'
]
]);
$numrows = count($iterator);
if ($canedit) {
echo "<div class='firstbloc'>";
echo "<form name='calendarsegment_form$rand' id='calendarsegment_form$rand' method='post'
action='";
echo Toolbox::getItemTypeFormURL(__CLASS__) . "'>";
echo "<table class='tab_cadre_fixe'>";
echo "<tr class='tab_bg_1'><th colspan='7'>" . __('Add a schedule') . "</tr>";
echo "<tr class='tab_bg_2'><td class='center'>" . _n('Day', 'Days', 1) . "</td><td>";
echo "<input type='hidden' name='calendars_id' value='$ID'>";
Dropdown::showFromArray('day', Toolbox::getDaysOfWeekArray());
echo "</td><td class='center'>" . __('Start') . '</td><td>';
Dropdown::showHours("begin", ['value' => date('H') . ":00"]);
echo "</td><td class='center'>" . __('End') . '</td><td>';
Dropdown::showHours("end", ['value' => (date('H') + 1) . ":00"]);
echo "</td><td class='center'>";
echo "<input type='submit' name='add' value=\"" . _sx('button', 'Add') . "\" class='btn btn-primary'>";
echo "</td></tr>";
echo "</table>";
Html::closeForm();
echo "</div>";
}
echo "<div class='spaced'>";
if ($canedit && $numrows) {
Html::openMassiveActionsForm('mass' . __CLASS__ . $rand);
$massiveactionparams = ['num_displayed' => min($_SESSION['glpilist_limit'], $numrows),
'container' => 'mass' . __CLASS__ . $rand
];
Html::showMassiveActions($massiveactionparams);
}
echo "<table class='tab_cadre_fixehov'>";
echo "<tr>";
if ($canedit && $numrows) {
echo "<th width='10'>";
echo Html::getCheckAllAsCheckbox('mass' . __CLASS__ . $rand);
echo "</th>";
}
echo "<th>" . _n('Day', 'Days', 1) . "</th>";
echo "<th>" . __('Start') . "</th>";
echo "<th>" . __('End') . "</th>";
echo "</tr>";
$daysofweek = Toolbox::getDaysOfWeekArray();
if ($numrows) {
foreach ($iterator as $data) {
echo "<tr class='tab_bg_1'>";
if ($canedit) {
echo "<td>";
Html::showMassiveActionCheckBox(__CLASS__, $data["id"]);
echo "</td>";
}
echo "<td>";
echo $daysofweek[$data['day']];
echo "</td>";
echo "<td>" . $data["begin"] . "</td>";
echo "<td>" . $data["end"] . "</td>";
}
echo "</tr>";
}
echo "</table>";
if ($canedit && $numrows) {
$massiveactionparams['ontop'] = false;
Html::showMassiveActions($massiveactionparams);
Html::closeForm();
}
echo "</div>";
}
public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
{
if (!$withtemplate) {
$nb = 0;
switch ($item->getType()) {
case 'Calendar':
if ($_SESSION['glpishow_count_on_tabs']) {
$nb = countElementsInTable(
$this->getTable(),
['calendars_id' => $item->getID()]
);
}
return self::createTabEntry(self::getTypeName(Session::getPluralNumber()), $nb);
}
}
return '';
}
public static function displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0)
{
if ($item->getType() == 'Calendar') {
self::showForCalendar($item);
}
return true;
}
}