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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/>.
*
* ---------------------------------------------------------------------
*/
/**
* Base class for recurrent tickets and changes
*
* @since 10.0.0
*/
abstract class CommonITILRecurrent extends CommonDropdown
{
use Glpi\Features\Clonable;
/**
* @var bool From CommonDBTM
*/
public $dohistory = true;
/**
* @var string From CommonDropdown
*/
public $first_level_menu = "helpdesk";
/**
* @var bool From CommonDropdown
*/
public $display_dropdowntitle = false;
/**
* @var bool From CommonDropdown
*/
public $can_be_translated = false;
/**
* Concrete items to be instanciated
*/
abstract public static function getConcreteClass();
/**
* Template class to use to create the concrete items
*/
abstract public static function getTemplateClass();
/**
* Predefined field class to use to set the concrete items's data
*/
abstract public static function getPredefinedFieldsClass();
public static function displayTabContentForItem(
CommonGLPI $item,
$tabnum = 1,
$withtemplate = 0
) {
// Tabs on CommonITILRecurrent items
if ($item instanceof self) {
switch ($tabnum) {
// First tab : display next creation date
case 1:
$item->showInfos();
return true;
}
}
return false;
}
public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
{
// Only display tab if user can read ITILTemplates
if (!Session::haveRight('itiltemplate', READ)) {
return '';
}
// Tabs on CommonITILRecurrent items
if ($item instanceof self) {
$ong = [];
$ong[1] = _n('Information', 'Information', Session::getPluralNumber());
return $ong;
}
return '';
}
public function getCloneRelations(): array
{
return [];
}
public function defineTabs($options = [])
{
$ong = [];
$this->addDefaultFormTab($ong);
$this->addStandardTab(static::class, $ong, $options);
$this->addStandardTab('Log', $ong, $options);
return $ong;
}
public function prepareInputForAdd($input)
{
if (isset($input['periodicity'])) {
$input['next_creation_date'] = $this->computeNextCreationDate(
$input['begin_date'],
$input['end_date'],
$input['periodicity'],
$input['create_before'],
$input['calendars_id']
);
}
return $input;
}
public function prepareInputForUpdate($input)
{
if (
isset($input['begin_date'])
&& isset($input['periodicity'])
&& isset($input['create_before'])
) {
$input['next_creation_date'] = $this->computeNextCreationDate(
$input['begin_date'],
$input['end_date'],
$input['periodicity'],
$input['create_before'],
$input['calendars_id']
);
}
return $input;
}
public function getAdditionalFields()
{
return [
[
'name' => 'is_active',
'label' => __('Active'),
'type' => 'bool',
'list' => false
],
[
'name' => static::getTemplateClass()::getForeignKeyField(),
'label' => static::getTemplateClass()::getTypeName(1),
'type' => 'dropdownValue',
'list' => true
],
[
'name' => 'begin_date',
'label' => __('Start date'),
'type' => 'datetime',
'list' => false
],
[
'name' => 'end_date',
'label' => __('End date'),
'type' => 'datetime',
'list' => false
],
[
'name' => 'periodicity',
'label' => __('Periodicity'),
'type' => 'specific_timestamp',
'min' => DAY_TIMESTAMP,
'step' => DAY_TIMESTAMP,
'max' => 2 * MONTH_TIMESTAMP
],
[
'name' => 'create_before',
'label' => __('Preliminary creation'),
'type' => 'timestamp',
'max' => 2 * WEEK_TIMESTAMP,
'step' => HOUR_TIMESTAMP
],
[
'name' => 'calendars_id',
'label' => _n('Calendar', 'Calendars', 1),
'type' => 'dropdownValue',
'list' => true
],
];
}
public function displaySpecificTypeField($ID, $field = [], array $options = [])
{
switch ($field['name']) {
case 'periodicity':
$this->displayPeriodicityInput();
break;
}
}
public static function getSpecificValueToDisplay(
$field,
$values,
array $options = []
) {
if (!is_array($values)) {
$values = [$field => $values];
}
switch ($field) {
case 'periodicity':
if (preg_match('/([0-9]+)MONTH/', $values[$field], $matches)) {
return sprintf(_n('%d month', '%d months', $matches[1]), $matches[1]);
}
if (preg_match('/([0-9]+)YEAR/', $values[$field], $matches)) {
return sprintf(_n('%d year', '%d years', $matches[1]), $matches[1]);
}
return Html::timestampToString($values[$field], false);
break;
}
return parent::getSpecificValueToDisplay($field, $values, $options);
}
/**
* Display periodicity field
* The displayed dropdown offer the following options:
* 1 to 24 hours
* 1 to 30 days
* 1 to 11 months
* 1 to 10 years
*/
public function displayPeriodicityInput(): void
{
$possible_values = [];
// Hours
for ($i = 1; $i < 24; $i++) {
$possible_values[$i * HOUR_TIMESTAMP] = sprintf(_n('%d hour', '%d hours', $i), $i);
}
// Days
for ($i = 1; $i <= 30; $i++) {
$possible_values[$i * DAY_TIMESTAMP] = sprintf(_n('%d day', '%d days', $i), $i);
}
// Months
for ($i = 1; $i < 12; $i++) {
$possible_values[$i . 'MONTH'] = sprintf(_n('%d month', '%d months', $i), $i);
}
// Years
for ($i = 1; $i < 11; $i++) {
$possible_values[$i . 'YEAR'] = sprintf(_n('%d year', '%d years', $i), $i);
}
Dropdown::showFromArray('periodicity', $possible_values, [
'value' => $this->fields['periodicity']
]);
}
public function rawSearchOptions()
{
$tab = parent::rawSearchOptions();
$tab[] = [
'id' => '11',
'table' => $this->getTable(),
'field' => 'is_active',
'name' => __('Active'),
'datatype' => 'bool'
];
$tab[] = [
'id' => '12',
'table' => static::getTemplateClass()::getTable(),
'field' => 'name',
'name' => static::getTemplateClass()::getTypeName(1),
'datatype' => 'itemlink'
];
$tab[] = [
'id' => '13',
'table' => $this->getTable(),
'field' => 'begin_date',
'name' => __('Start date'),
'datatype' => 'datetime'
];
$tab[] = [
'id' => '17',
'table' => $this->getTable(),
'field' => 'end_date',
'name' => __('End date'),
'datatype' => 'datetime'
];
$tab[] = [
'id' => '15',
'table' => $this->getTable(),
'field' => 'periodicity',
'name' => __('Periodicity'),
'datatype' => 'specific'
];
$tab[] = [
'id' => '14',
'table' => $this->getTable(),
'field' => 'create_before',
'name' => __('Preliminary creation'),
'datatype' => 'timestamp'
];
$tab[] = [
'id' => '18',
'table' => 'glpi_calendars',
'field' => 'name',
'name' => _n('Calendar', 'Calendars', 1),
'datatype' => 'itemlink'
];
return $tab;
}
/**
* Show next creation date
*/
public function showInfos(): void
{
if (!is_null($this->fields['next_creation_date'])) {
echo "<div class='center'>";
//TRANS: %s is the date of next creation
echo sprintf(
__('Next creation on %s'),
Html::convDateTime($this->fields['next_creation_date'])
);
echo "</div>";
}
}
/**
* Compute next creation date of an item.
*
* @param string $begin_date Begin date of the recurrent item in 'Y-m-d H:i:s' format.
* @param string $end_date End date of the recurrent item in 'Y-m-d H:i:s' format,
* or 'NULL' or empty value.
* @param string|integer $periodicity Periodicity of creation, could be:
* - an integer corresponding to seconds,
* - a string using "/([0-9]+)(MONTH|YEAR)/" pattern.
* @param int $create_before Anticipated creation delay in seconds.
* @param int|null $calendars_id ID of the calendar to use to restrict creation to working hours,
* or 0 / null for no calendar.
*
* @return string Next creation date in 'Y-m-d H:i:s' format.
*/
public function computeNextCreationDate(
?string $begin_date,
?string $end_date,
$periodicity,
?int $create_before,
?int $calendars_id
): string {
$now = time();
$periodicity_pattern = '/([0-9]+)(MONTH|YEAR)/';
if ($begin_date === null || DateTime::createFromFormat('Y-m-d H:i:s', $begin_date) === false) {
// Invalid begin date.
return 'NULL';
}
$has_end_date = $end_date !== null && DateTime::createFromFormat('Y-m-d H:i:s', $end_date) !== false;
if ($has_end_date && strtotime($end_date) < $now) {
// End date is in past.
return 'NULL';
}
if (
!is_int($periodicity) && !preg_match('/^\d+$/', $periodicity)
&& !preg_match($periodicity_pattern, $periodicity)
) {
// Invalid periodicity.
return 'NULL';
}
// Compute periodicity values
$periodicity_as_interval = null;
$periodicity_in_seconds = $periodicity;
$matches = [];
if (preg_match($periodicity_pattern, $periodicity, $matches)) {
$periodicity_as_interval = "{$matches[1]} {$matches[2]}";
$periodicity_in_seconds = $matches[1]
* MONTH_TIMESTAMP
* ('YEAR' === $matches[2] ? 12 : 1);
} else if ($periodicity % DAY_TIMESTAMP == 0) {
$periodicity_as_interval = ($periodicity / DAY_TIMESTAMP) . ' DAY';
} else {
$periodicity_as_interval = ($periodicity / HOUR_TIMESTAMP) . ' HOUR';
}
// Check that anticipated creation delay is greater than periodicity.
if ($create_before > $periodicity_in_seconds) {
Session::addMessageAfterRedirect(
__('Invalid frequency. It must be greater than the preliminary creation.'),
false,
ERROR
);
return 'NULL';
}
$calendar = new Calendar();
$is_calendar_valid = $calendars_id && $calendar->getFromDB($calendars_id) && $calendar->hasAWorkingDay();
if (!$is_calendar_valid || $periodicity_in_seconds >= DAY_TIMESTAMP) {
// Compute next occurence without using the calendar if calendar is not valid
// or if periodicity is at least one day.
// First occurence of creation
$occurence_time = strtotime($begin_date);
$creation_time = $occurence_time - $create_before;
// Add steps while creation time is in past
while ($creation_time < $now) {
$creation_time = strtotime("+ $periodicity_as_interval", $creation_time);
$occurence_time = $creation_time + $create_before;
// Stop if end date reached
if ($has_end_date && $occurence_time > strtotime($end_date)) {
return 'NULL';
}
}
if ($is_calendar_valid) {
// Jump to next working day if occurence is outside working days.
while (
$calendar->isHoliday(date('Y-m-d', $occurence_time))
|| !$calendar->isAWorkingDay($occurence_time)
) {
$occurence_time = strtotime('+ 1 day', $occurence_time);
}
// Jump to next working hour if occurence is outside working hours.
if (!$calendar->isAWorkingHour($occurence_time)) {
$occurence_date = $calendar->computeEndDate(
date('Y-m-d', $occurence_time),
0 // 0 second delay to get the first working "second"
);
$occurence_time = strtotime($occurence_date);
}
$creation_time = $occurence_time - $create_before;
}
} else {
// Base computation on calendar if calendar is valid
$occurence_date = $calendar->computeEndDate(
$begin_date,
0 // 0 second delay to get the first working "second"
);
$occurence_time = strtotime($occurence_date);
$creation_time = $occurence_time - $create_before;
while ($creation_time < $now) {
$occurence_date = $calendar->computeEndDate(
date('Y-m-d H:i:s', $occurence_time),
$periodicity_in_seconds,
0,
$periodicity_in_seconds >= DAY_TIMESTAMP
);
$occurence_time = strtotime($occurence_date);
$creation_time = $occurence_time - $create_before;
// Stop if end date reached
if ($has_end_date && $occurence_time > strtotime($end_date)) {
return 'NULL';
}
};
}
return date("Y-m-d H:i:s", $creation_time);
}
/**
* Get create time
*
* @return int|false
*/
public function getCreateTime()
{
return strtotime($this->fields['next_creation_date']) + $this->fields['create_before'];
}
/**
* Handle predefined fields
*
* @param array $predefined
* @param array $input
*
* @return array The modified $input
*/
public function handlePredefinedFields(
array $predefined,
array $input
): array {
if (count($predefined)) {
foreach ($predefined as $predeffield => $predefvalue) {
$input[$predeffield] = $predefvalue;
}
}
// Set date to creation date
$input['date'] = date('Y-m-d H:i:s', $this->getCreateTime());
if (isset($predefined['date'])) {
$input['date'] = Html::computeGenericDateTimeSearch(
$predefined['date'],
false,
$this->getCreateTime()
);
}
// Compute time_to_resolve if predefined based on create date
if (isset($predefined['time_to_resolve'])) {
$input['time_to_resolve'] = Html::computeGenericDateTimeSearch(
$predefined['time_to_resolve'],
false,
$this->getCreateTime()
);
}
return $input;
}
/**
* Create an item based on the specified template
*
* @param CommonITILObject|null $created_item Will contain the created item instance
*
* @return boolean
*/
public function createItem(?CommonITILObject &$created_item = null)
{
$result = false;
$concrete_class = static::getConcreteClass();
$template_class = static::getTemplateClass();
$fields_class = static::getPredefinedFieldsClass();
$tmpl_fk = $template_class::getForeignKeyField();
/** @var ITILTemplate */
$template = new $template_class();
// Create item based on specified template and entity information
if ($template->getFromDB($this->fields[$tmpl_fk])) {
// Get default values for item
$input = $concrete_class::getDefaultValues($this->fields['entities_id']);
// Apply itiltemplates predefined values
/** @var ITILTemplatePredefinedField */
$fields = new $fields_class();
$predefined = $fields->getPredefinedFields($this->fields[$tmpl_fk], true);
$input = $this->handlePredefinedFields($predefined, $input);
if (array_key_exists('status', $predefined)) {
$input['_do_not_compute_status'] = true;
}
// Set entity
$input['entities_id'] = $this->fields['entities_id'];
$input['_auto_import'] = true;
/** @var CommonITILObject */
$item = new $concrete_class();
$input = Toolbox::addslashes_deep($input);
if ($items_id = $item->add($input)) {
$created_item = $item;
$msg = sprintf(
__('%s %d successfully created'),
$concrete_class::getTypeName(1),
$items_id
);
$result = true;
} else {
$msg = sprintf(
__('%s creation failed (check mandatory fields)'),
$concrete_class::getTypeName(1)
);
}
} else {
$msg = sprintf(
__('%s creation failed (no template)'),
$concrete_class::getTypeName(1)
);
}
Log::history(
$this->fields['id'],
static::class,
[0, '', addslashes($msg)],
'',
Log::HISTORY_LOG_SIMPLE_MESSAGE
);
// Compute next creation date
$input = [
'id' => $this->getId(),
'next_creation_date' => $this->computeNextCreationDate(
$this->fields['begin_date'],
$this->fields['end_date'],
$this->fields['periodicity'],
$this->fields['create_before'],
$this->fields['calendars_id']
)
];
$this->update($input);
return $result;
}
public static function getIcon()
{
return "ti ti-alarm";
}
}