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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/>.
*
* ---------------------------------------------------------------------
*/
use Glpi\Features\AssetImage;
/// CommonDCModelDropdown class - dropdown for datacenter items models
abstract class CommonDCModelDropdown extends CommonDropdown
{
use AssetImage;
public $additional_fields_for_dictionnary = ['manufacturer'];
public static function getFieldLabel()
{
return _n('Model', 'Models', 1);
}
/**
* Return Additional Fields for this type
*
* @return array
**/
public function getAdditionalFields()
{
global $DB;
$fields = parent::getAdditionalFields();
if ($DB->fieldExists($this->getTable(), 'weight')) {
$fields[] = [
'name' => 'weight',
'type' => 'integer',
'label' => __('Weight'),
'min' => 0,
];
}
if ($DB->fieldExists($this->getTable(), 'required_units')) {
$fields[] = [
'name' => 'required_units',
'type' => 'integer',
'min' => 1,
'label' => __('Required units')
];
}
if ($DB->fieldExists($this->getTable(), 'depth')) {
$fields[] = [
'name' => 'depth',
'type' => 'depth',
'label' => __('Depth')
];
}
if ($DB->fieldExists($this->getTable(), 'power_connections')) {
$fields[] = [
'name' => 'power_connections',
'type' => 'integer',
'label' => __('Power connections'),
'min' => 0,
];
}
if ($DB->fieldExists($this->getTable(), 'power_consumption')) {
$fields[] = [
'name' => 'power_consumption',
'type' => 'integer',
'label' => __('Power consumption'),
'unit' => __('watts'),
'min' => 0,
];
}
if ($DB->fieldExists($this->getTable(), 'max_power')) {
$fields[] = [
'name' => 'max_power',
'type' => 'integer',
'label' => __('Max. power (in watts)'),
'unit' => __('watts'),
'min' => 0,
];
}
if ($DB->fieldExists($this->getTable(), 'is_half_rack')) {
$fields[] = [
'name' => 'is_half_rack',
'type' => 'bool',
'label' => __('Is half rack')
];
}
return $fields;
}
public function rawSearchOptions()
{
global $DB;
$options = parent::rawSearchOptions();
$table = $this->getTable();
if ($DB->fieldExists($table, 'weight')) {
$options[] = [
'id' => '131',
'table' => $table,
'field' => 'weight',
'name' => __('Weight'),
'datatype' => 'decimal'
];
}
if ($DB->fieldExists($table, 'required_units')) {
$options[] = [
'id' => '132',
'table' => $table,
'field' => 'required_units',
'name' => __('Required units'),
'datatype' => 'number'
];
}
if ($DB->fieldExists($table, 'depth')) {
$options[] = [
'id' => '133',
'table' => $table,
'field' => 'depth',
'name' => __('Depth'),
];
}
if ($DB->fieldExists($table, 'power_connections')) {
$options[] = [
'id' => '134',
'table' => $table,
'field' => 'power_connections',
'name' => __('Power connections'),
'datatype' => 'number'
];
}
if ($DB->fieldExists($table, 'power_consumption')) {
$options[] = [
'id' => '135',
'table' => $table,
'field' => 'power_consumption',
'name' => __('Power consumption'),
'datatype' => 'decimal'
];
}
if ($DB->fieldExists($table, 'is_half_rack')) {
$options[] = [
'id' => '136',
'table' => $table,
'field' => 'is_half_rack',
'name' => __('Is half rack'),
'datatype' => 'bool'
];
}
return $options;
}
public static function getSpecificValueToDisplay($field, $values, array $options = [])
{
if (!is_array($values)) {
$values = [$field => $values];
}
switch ($field) {
case 'picture_front':
case 'picture_rear':
if (isset($options['html']) && $options['html']) {
return Html::image(Toolbox::getPictureUrl($values[$field]), [
'alt' => $options['searchopt']['name'],
'style' => 'height: 30px;',
]);
}
}
return parent::getSpecificValueToDisplay($field, $values, $options);
}
/**
* Get the itemtype for this model
*
* @return string
*/
public function getItemtypeForModel(): string
{
return str_replace('Model', '', get_called_class());
}
/**
* Get the items in racks that are using this model
*
* @return array
*/
public function getItemsRackForModel(): array
{
$itemtype = $this->getItemtypeForModel();
return (new Item_Rack())->find([
'itemtype' => $itemtype,
'items_id' => new QuerySubQuery([
'SELECT' => 'id',
'FROM' => $itemtype::getTable(),
'WHERE' => [
$this->getForeignKeyField() => $this->fields['id'],
]
])
]);
}
/**
* Check if a cell is filled for a specific orientations, hpos and depth
*
* @param array $cell
* @param int $orientation front or rear
* @param int $hpos left, right or full
* @param float $depth
*
* @return bool
*/
private function isCellFilled(array $cell, int $orientation, int $hpos, float $depth): bool
{
// If hpos is full, check if both left and right are filled
if ($hpos == Rack::POS_NONE) {
return $this->isCellFilled($cell, $orientation, Rack::POS_LEFT, $depth)
|| $this->isCellFilled($cell, $orientation, Rack::POS_RIGHT, $depth);
}
if (isset($cell[$hpos])) {
// Get the first $depth * 4 units of the cell to check if they are filled
$accurateCell = array_slice(
$orientation ?
array_reverse($cell[$hpos]) // If orientation is rear, reverse the array
: $cell[$hpos],
0,
$depth * 4
);
// Check if any of the units is filled
if (in_array(1, $accurateCell)) {
return true;
}
}
return false;
}
public function prepareInputForAdd($input)
{
return $this->managePictures($input);
}
public function prepareInputForUpdate($input)
{
$input = $this->managePictures($input);
$input = $this->checkForRackIssues($input);
return $input;
}
public function post_updateItem($history = 1)
{
$this->updateRackItemsHorizontalPosition();
}
/**
* Check if the racks items using this model can be updated without issues
*
* @param array $input
* @return array|false
*/
private function checkForRackIssues(array $input)
{
// Checks whether any fields that might be causing a problem have been modified
if (
(!isset($input['required_units'])
|| $input['required_units'] <= $this->fields['required_units']
)
&& (!isset($input['is_half_rack'])
|| $input['is_half_rack'] == $this->fields['is_half_rack']
)
&& (!isset($input['depth'])
|| $input['depth'] == $this->fields['depth']
)
) {
return $input;
}
// Check if the model is used by an asset in a rack
// If so, check whether the new units required fit into the rack without modifying the positions
$hasIssues = false;
$itemtype = $this->getItemtypeForModel();
$positionsToCheck = [];
foreach ($this->getItemsRackForModel() as $item_rack) {
$rack = Rack::getById($item_rack['racks_id']);
$filled = $rack->getFilled($itemtype, $item_rack['items_id']);
$requiredUnits = $input['required_units'] ?? $this->fields['required_units'];
$orientation = $item_rack['orientation'];
$hpos = $input['is_half_rack'] ?? $this->fields['is_half_rack'] ? $item_rack['hpos'] : Rack::POS_NONE;
$depth = $input['depth'] ?? $this->fields['depth'];
// Collect the positions to check
for ($i = 0; $i < $requiredUnits; $i++) {
$positionsToCheck[] = $item_rack['position'] + $i;
if ($positionsToCheck[array_key_last($positionsToCheck)] > $rack->fields['number_units']) {
for ($j = 1; $j <= $requiredUnits - $i; $j++) {
$positionsToCheck[] = $item_rack['position'] - $j;
}
break;
}
}
// Check if any of the positions to check are filled or out of bounds
foreach ($positionsToCheck as $position) {
if (
isset($filled[$position]) && $this->isCellFilled($filled[$position], $orientation, $hpos, $depth)
|| $position < 1
) {
$hasIssues = true;
Session::addMessageAfterRedirect(
sprintf(
__(
'Unable to update model because it is used by an asset in the "%s" rack and the new required units do not fit into the rack'
),
$rack->getLink()
),
true,
ERROR
);
break 2;
}
}
}
return $hasIssues ? false : $input;
}
/**
* Update the horizontal positions of the items in racks using this model
*
* @return void
*/
private function updateRackItemsHorizontalPosition()
{
if (!$this->fields['is_half_rack']) {
// If the model is not half rack, set the hpos to none for all rack items using this model
$item_rack = new Item_Rack();
foreach ($this->getItemsRackForModel() as $item) {
if ($item['hpos'] == Rack::POS_NONE) {
continue;
}
$item_rack->update([
'id' => $item['id'],
'hpos' => Rack::POS_NONE,
]);
}
} else {
// If the model is half rack, set the hpos to left for all rack items using this model and having hpos none
$item_rack = new Item_Rack();
foreach ($this->getItemsRackForModel() as $item) {
if ($item['hpos'] != Rack::POS_NONE) {
continue;
}
$item_rack->update([
'id' => $item['id'],
'hpos' => Rack::POS_LEFT,
]);
}
}
}
public function cleanDBonPurge()
{
Toolbox::deletePicture($this->fields['picture_front']);
Toolbox::deletePicture($this->fields['picture_rear']);
}
public function displaySpecificTypeField($ID, $field = [], array $options = [])
{
switch ($field['type']) {
case 'depth':
Dropdown::showFromArray(
$field['name'],
[
'1' => __('1'),
'0.5' => __('1/2'),
'0.33' => __('1/3'),
'0.25' => __('1/4')
],
[
'value' => $this->fields[$field['name']],
'width' => '100%'
]
);
break;
default:
throw new \RuntimeException("Unknown {$field['type']}");
}
}
public static function getIcon()
{
$model_class = get_called_class();
$device_class = str_replace('Model', '', $model_class);
return $device_class::getIcon();
}
}