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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/>.
*
* ---------------------------------------------------------------------
*/
/**
* Class KnowbaseItem_Item
*
* @author Johan Cwiklinski <jcwiklinski@teclib.com>
*
* @since 9.2
*/
class KnowbaseItem_Item extends CommonDBRelation
{
// From CommonDBRelation
public static $itemtype_1 = 'KnowbaseItem';
public static $items_id_1 = 'knowbaseitems_id';
public static $itemtype_2 = 'itemtype';
public static $items_id_2 = 'items_id';
public static $checkItem_2_Rights = self::HAVE_VIEW_RIGHT_ON_ITEM;
// From CommonDBTM
public $dohistory = true;
public static function getTypeName($nb = 0)
{
return _n('Knowledge base item', 'Knowledge base items', $nb);
}
public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
{
if (static::canView()) {
$nb = 0;
if ($_SESSION['glpishow_count_on_tabs']) {
$nb = self::getCountForItem($item);
}
$type_name = null;
if ($item->getType() == KnowbaseItem::getType()) {
$type_name = _n('Associated element', 'Associated elements', $nb);
} else {
$type_name = __('Knowledge base');
}
return self::createTabEntry($type_name, $nb);
}
return '';
}
public static function displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0)
{
self::showForItem($item, $withtemplate);
return true;
}
/**
* Show linked items of a knowbase item
*
* @param $item CommonDBTM object
* @param $withtemplate integer withtemplate param (default 0)
*
**/
public static function showForItem(CommonDBTM $item, $withtemplate = 0)
{
$item_id = $item->getID();
$item_type = $item::getType();
if (isset($_GET["start"])) {
$start = intval($_GET["start"]);
} else {
$start = 0;
}
$canedit = $item->can($item_id, UPDATE);
// Total Number of KB items
$number = self::getCountForItem($item);
$ok_state = true;
if ($item instanceof CommonITILObject) {
$ok_state = !in_array(
$item->fields['status'],
array_merge(
$item->getClosedStatusArray(),
$item->getSolvedStatusArray()
)
);
}
$rand = mt_rand();
if ($canedit && $ok_state) {
echo '<form method="post" action="' . Toolbox::getItemTypeFormURL(__CLASS__) . '">';
echo "<div class='center'>";
echo "<table class=\"tab_cadre_fixe\">";
echo "<tr><th colspan=\"2\">";
if ($item_type == KnowbaseItem::getType()) {
echo __('Add a linked item');
} else {
echo __('Link a knowledge base entry');
}
echo "</th><tr>";
echo "<tr class='tab_bg_2'><td>";
if ($item_type == KnowbaseItem::getType()) {
//TODO: pass used array to restrict visible items in list
$rand = self::dropdownAllTypes($item, 'items_id');
} else {
$visibility = KnowbaseItem::getVisibilityCriteria();
$condition = (isset($visibility['WHERE']) && count($visibility['WHERE'])) ? $visibility['WHERE'] : [];
$rand = KnowbaseItem::dropdown([
'entity' => $item->getEntityID(),
'used' => self::getItems($item, 0, 0, true),
'condition' => $condition
]);
}
echo "</td><td>";
echo "<input type=\"submit\" name=\"add\" value=\"" . _sx('button', 'Add') . "\" class=\"btn btn-primary\">";
echo "</td></tr>";
echo "</table>";
if ($item_type == KnowbaseItem::getType()) {
echo '<input type="hidden" name="knowbaseitems_id" value="' . $item->getID() . '">';
} else {
echo "<input type=\"hidden\" name=\"items_id\" value=\"" . $item->getID() . "\">";
echo "<input type=\"hidden\" name=\"itemtype\" value=\"" . $item::getType() . "\">";
}
echo "</div>";
Html::closeForm();
}
// No Events in database
if ($number < 1) {
$no_txt = ($item_type == KnowbaseItem::getType()) ?
__('No linked items') :
__('No knowledge base entries linked');
echo "<div class='center'>";
echo "<table class='tab_cadre_fixe'>";
echo "<tr><th>$no_txt</th></tr>";
echo "</table>";
echo "</div>";
return;
}
// Display the pager
$type_name = null;
if ($item->getType() == KnowbaseItem::getType()) {
$type_name = _n('Linked item', 'Linked items', 1);
} else {
$type_name = self::getTypeName(1);
}
Html::printAjaxPager($type_name, $start, $number);
// Output events
echo "<div class='center table-responsive'>";
if ($canedit) {
Html::openMassiveActionsForm('mass' . __CLASS__ . $rand);
$massiveactionparams
= ['num_displayed'
=> min($_SESSION['glpilist_limit'], $number),
'container'
=> 'mass' . __CLASS__ . $rand
];
Html::showMassiveActions($massiveactionparams);
}
echo "<table class='tab_cadre_fixehov'>";
$header = '<tr>';
if ($canedit) {
$header .= "<th width='10'>" . Html::getCheckAllAsCheckbox('mass' . __CLASS__ . $rand) . "</th>";
}
$header .= "<th>" . _n('Type', 'Types', 1) . "</th>";
$header .= "<th>" . _n('Item', 'Items', 1) . "</th>";
$header .= "<th>" . __('Creation date') . "</th>";
$header .= "<th>" . __('Update date') . "</th>";
$header .= "</tr>";
echo $header;
foreach (self::getItems($item, $start, $_SESSION['glpilist_limit']) as $data) {
$linked_item = null;
if ($item->getType() == KnowbaseItem::getType()) {
$linked_item = getItemForItemtype($data['itemtype']);
$linked_item->getFromDB($data['items_id']);
} else {
$linked_item = getItemForItemtype(KnowbaseItem::getType());
$linked_item->getFromDB($data['knowbaseitems_id']);
}
$name = $linked_item->fields['name'];
if (
$_SESSION["glpiis_ids_visible"]
|| empty($name)
) {
$name = sprintf(__('%1$s (%2$s)'), $name, $linked_item->getID());
}
$link = $linked_item::getFormURLWithID($linked_item->getID());
// show line
echo "<tr class='tab_bg_2'>";
if ($canedit) {
echo "<td width='10'>";
Html::showMassiveActionCheckBox(__CLASS__, $data['id']);
echo "</td>";
}
$type = $linked_item->getTypeName(1);
if (isset($linked_item->fields['is_template']) && $linked_item->fields['is_template'] == 1) {
$type .= ' (' . __('template') . ')';
}
echo "<td>" . $type . "</td>" .
"<td><a href=\"" . $link . "\">" . $name . "</a></td>" .
"<td class='tab_date'>" . Html::convDateTime($linked_item->fields['date_creation']) . "</td>" .
"<td class='tab_date'>" . Html::convDateTime($linked_item->fields['date_mod']) . "</td>";
echo "</tr>";
}
echo $header;
echo "</table>";
$massiveactionparams['ontop'] = false;
Html::showMassiveActions($massiveactionparams);
echo "</div>";
Html::printAjaxPager($type_name, $start, $number);
}
/**
* Displays linked dropdowns to add linked items
*
* @param CommonDBTM $item Item instance
* @param string $name Field name
*
* @return string
*/
public static function dropdownAllTypes(CommonDBTM $item, $name)
{
global $CFG_GLPI;
$onlyglobal = 0;
$entity_restrict = -1;
$checkright = true;
$rand = Dropdown::showSelectItemFromItemtypes([
'items_id_name' => $name,
'entity_restrict' => $entity_restrict,
'itemtypes' => $CFG_GLPI['kb_types'],
'onlyglobal' => $onlyglobal,
'checkright' => $checkright
]);
return $rand;
}
/**
* Retrieve items for a knowbase item
*
* @param CommonDBTM $item CommonDBTM object
* @param integer $start first line to retrieve (default 0)
* @param integer $limit max number of line to retrive (0 for all) (default 0)
* @param boolean $used whether to retrieve data for "used" records
*
* @return array of linked items
**/
public static function getItems(CommonDBTM $item, $start = 0, $limit = 0, $used = false)
{
global $DB;
$criteria = [
'FROM' => ['glpi_knowbaseitems_items'],
'FIELDS' => ['glpi_knowbaseitems_items' => '*'],
'ORDER' => ['itemtype', 'items_id DESC'],
'GROUPBY' => [
'glpi_knowbaseitems_items.id',
'glpi_knowbaseitems_items.knowbaseitems_id',
'glpi_knowbaseitems_items.itemtype',
'glpi_knowbaseitems_items.items_id',
'glpi_knowbaseitems_items.date_creation',
'glpi_knowbaseitems_items.date_mod'
]
];
if ($item::getType() == KnowbaseItem::getType()) {
$criteria['WHERE'][] = [
'glpi_knowbaseitems_items.knowbaseitems_id' => $item->getID(),
];
} else {
$criteria = array_merge_recursive($criteria, self::getVisibilityCriteriaForItem($item));
$criteria['WHERE'][] = [
'glpi_knowbaseitems_items.items_id' => $item->getID(),
'glpi_knowbaseitems_items.itemtype' => $item->getType()
];
}
if ($limit) {
$criteria['START'] = intval($start);
$criteria['LIMIT'] = intval($limit);
}
$linked_items = [];
$results = $DB->request($criteria);
foreach ($results as $data) {
if ($used === false) {
$linked_items[] = $data;
} else {
$key = $item::getType() == KnowbaseItem::getType() ? 'items_id' : 'knowbaseitems_id';
$linked_items[$data[$key]] = $data[$key];
}
}
return $linked_items;
}
public function getForbiddenStandardMassiveAction()
{
$forbidden = parent::getForbiddenStandardMassiveAction();
$forbidden[] = 'update';
return $forbidden;
}
public static function getMassiveActionsForItemtype(
array &$actions,
$itemtype,
$is_deleted = 0,
CommonDBTM $checkitem = null
) {
$kb_item = new KnowbaseItem();
$kb_item->getEmpty();
if ($kb_item->canViewItem()) {
$action_prefix = __CLASS__ . MassiveAction::CLASS_ACTION_SEPARATOR;
$actions[$action_prefix . 'add']
= "<i class='fa-fw " . self::getIcon() . "'></i>" .
_x('button', 'Link knowledgebase article');
}
parent::getMassiveActionsForItemtype($actions, $itemtype, $is_deleted, $checkitem);
}
public static function getIcon()
{
return KnowbaseItem::getIcon();
}
private static function getCountForItem(CommonDBTM $item): int
{
if ($item->getType() == KnowbaseItem::getType()) {
$criteria['WHERE'] = [
'glpi_knowbaseitems_items.knowbaseitems_id' => $item->getID(),
];
} else {
$criteria = self::getVisibilityCriteriaForItem($item);
$criteria['WHERE'][] = [
'glpi_knowbaseitems_items.itemtype' => $item::getType(),
'glpi_knowbaseitems_items.items_id' => $item->getId(),
];
}
return countElementsInTable('glpi_knowbaseitems_items', $criteria);
}
/**
* Return visibility criteria that must be used to find KB items related to given item.
*/
private static function getVisibilityCriteriaForItem(CommonDBTM $item): array
{
$criteria = array_merge_recursive(
[
'INNER JOIN' => [
'glpi_knowbaseitems' => [
'ON' => [
'glpi_knowbaseitems_items' => 'knowbaseitems_id',
'glpi_knowbaseitems' => 'id'
]
]
]
],
KnowbaseItem::getVisibilityCriteria()
);
$entity_criteria = getEntitiesRestrictCriteria($item->getTable(), '', '', $item->maybeRecursive());
if (!empty($entity_criteria)) {
$criteria['INNER JOIN'][$item->getTable()] = [
'ON' => [
'glpi_knowbaseitems_items' => 'items_id',
$item->getTable() => 'id'
]
];
$criteria['WHERE'][] = $entity_criteria;
}
return $criteria;
}
}