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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/>.
*
* ---------------------------------------------------------------------
*/
/**
* Knowbase Class
*
* @since 0.84
**/
class Knowbase extends CommonGLPI
{
public static function getTypeName($nb = 0)
{
// No plural
return __('Knowledge base');
}
public function defineTabs($options = [])
{
$ong = [];
$this->addStandardTab(__CLASS__, $ong, $options);
$ong['no_all_tab'] = true;
return $ong;
}
public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
{
if ($item->getType() == __CLASS__) {
$tabs[1] = _x('button', 'Search');
$tabs[2] = _x('button', 'Browse');
if (KnowbaseItem::canUpdate()) {
$tabs[3] = _x('button', 'Manage');
}
return $tabs;
}
return '';
}
public static function displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0)
{
if ($item->getType() == __CLASS__) {
switch ($tabnum) {
case 1: // all
$item->showSearchView();
break;
case 2:
$item->showBrowseView();
break;
case 3:
$item->showManageView();
break;
}
}
return true;
}
/**
* Show the knowbase search view
**/
public static function showSearchView()
{
global $CFG_GLPI;
// Search a solution
if (
!isset($_GET["contains"])
&& isset($_GET["itemtype"])
&& isset($_GET["items_id"])
) {
if (in_array($_GET["item_itemtype"], $CFG_GLPI['kb_types']) && $item = getItemForItemtype($_GET["itemtype"])) {
if ($item->can($_GET["item_items_id"], READ)) {
$_GET["contains"] = addslashes($item->getField('name'));
}
}
}
if (isset($_GET["contains"])) {
$_SESSION['kbcontains'] = $_GET["contains"];
} else if (isset($_SESSION['kbcontains'])) {
$_GET['contains'] = $_SESSION["kbcontains"];
}
$ki = new KnowbaseItem();
$ki->searchForm($_GET);
if (!isset($_GET['contains']) || empty($_GET['contains'])) {
echo "<div><table class='mx-auto' width='950px'><tr class='noHover'><td class='center top'>";
KnowbaseItem::showRecentPopular("recent");
echo "</td><td class='center top'>";
KnowbaseItem::showRecentPopular("lastupdate");
echo "</td><td class='center top'>";
KnowbaseItem::showRecentPopular("popular");
echo "</td></tr>";
echo "</table></div>";
} else {
KnowbaseItem::showList($_GET, 'search');
}
}
/**
* Show the knowbase browse view
**/
public static function showBrowseView()
{
global $CFG_GLPI;
$rand = mt_rand();
$ajax_url = $CFG_GLPI["root_doc"] . "/ajax/knowbase.php";
$loading_txt = __s('Loading...');
$start = (int)($_REQUEST['start'] ?? 0);
$cat_id = (int)($_GET["knowbaseitemcategories_id"] ?? $_SESSION['kb_cat_id'] ?? 0);
$category_list = json_encode(self::getTreeCategoryList());
$no_cat_found = __s("No category found");
$JS = <<<JAVASCRIPT
$(function() {
var loadingindicator = $("<div class='loadingindicator'>$loading_txt</div>");
$('#items_list$rand').html(loadingindicator); // loadingindicator on doc ready
var loadNode = function(cat_id) {
$('#items_list$rand').html(loadingindicator);
$('#items_list$rand').load('$ajax_url', {
'action': 'getItemslist',
'cat_id': cat_id,
'start': $start
});
};
$('#tree_category$rand').fancytree({
// load plugins
extensions: ['filter', 'glyph', 'persist'],
persist: {
cookiePrefix: 'fancytree-kb-',
expandLazy: true,
overrideSource: true,
store: "auto"
},
// Scroll node into visible area, when focused by keyboard
autoScroll: true,
// enable font-awesome icons
glyph: {
preset: "awesome5",
map: {}
},
// load json data
source: {$category_list},
// filter plugin options
filter: {
mode: "hide", // remove unmatched nodes
autoExpand: true, // if results found in children, auto-expand parent
nodata: '{$no_cat_found}', // message when no data found
},
// events
activate: function(event, data) {
var node = data.node;
var key = node.key;
loadNode(key);
},
});
loadNode($cat_id);
$.ui.fancytree.getTree("#tree_category$rand").activateKey($cat_id);
$(document).on('keyup', '#browser_tree_search$rand', function() {
var search_text = $(this).val();
$.ui.fancytree.getTree("#tree_category$rand").filterNodes(search_text);
});
});
JAVASCRIPT;
echo Html::scriptBlock($JS);
echo "<div id='tree_browse'>
<div class='browser_tree'>
<input type='text' class='browser_tree_search' id='browser_tree_search$rand'>
<div id='tree_category$rand'></div>
</div>
<div id='items_list$rand' class='browser_items'></div>
</div>";
}
/**
* Get list of knowbase categories in fancytree format.
*
* @since 9.4
*
* @return array
*/
public static function getTreeCategoryList()
{
global $DB;
$cat_table = KnowbaseItemCategory::getTable();
$cat_fk = KnowbaseItemCategory::getForeignKeyField();
$kbitem_visibility_crit = KnowbaseItem::getVisibilityCriteria(true);
$items_subquery = new QuerySubQuery(
array_merge_recursive(
[
'SELECT' => ['COUNT DISTINCT' => KnowbaseItem::getTableField('id') . ' as cpt'],
'FROM' => KnowbaseItem::getTable(),
'INNER JOIN' => [
KnowbaseItem_KnowbaseItemCategory::getTable() => [
'ON' => [
KnowbaseItem_KnowbaseItemCategory::getTable() => KnowbaseItem::getForeignKeyField(),
KnowbaseItem::getTable() => 'id'
]
]
],
'WHERE' => [
KnowbaseItem_KnowbaseItemCategory::getTableField($cat_fk) => new QueryExpression(
$DB->quoteName(KnowbaseItemCategory::getTableField('id'))
),
]
],
$kbitem_visibility_crit
),
'items_count'
);
$cat_iterator = $DB->request([
'SELECT' => [
KnowbaseItemCategory::getTableField('id'),
KnowbaseItemCategory::getTableField('name'),
KnowbaseItemCategory::getTableField($cat_fk),
$items_subquery,
],
'FROM' => $cat_table,
'ORDER' => [
KnowbaseItemCategory::getTableField('level') . ' DESC',
KnowbaseItemCategory::getTableField('name'),
]
]);
$inst = new KnowbaseItemCategory();
$categories = [];
foreach ($cat_iterator as $category) {
if (DropdownTranslation::canBeTranslated($inst)) {
$tname = DropdownTranslation::getTranslatedValue(
$category['id'],
$inst->getType()
);
if (!empty($tname)) {
$category['name'] = $tname;
}
}
$categories[] = $category;
}
// Remove categories that have no items and no children
// Requires category list to be sorted by level DESC
foreach ($categories as $index => $category) {
$children = array_filter(
$categories,
function ($element) use ($category, $cat_fk) {
return $category['id'] == $element[$cat_fk];
}
);
if (empty($children) && 0 == $category['items_count']) {
unset($categories[$index]);
}
}
// Add root category (which is not a real category)
$root_items_count = $DB->request(
array_merge_recursive(
[
'SELECT' => ['COUNT DISTINCT' => KnowbaseItem::getTableField('id') . ' as cpt'],
'FROM' => KnowbaseItem::getTable(),
'LEFT JOIN' => [
KnowbaseItem_KnowbaseItemCategory::getTable() => [
'ON' => [
KnowbaseItem_KnowbaseItemCategory::getTable() => KnowbaseItem::getForeignKeyField(),
KnowbaseItem::getTable() => 'id'
]
],
KnowbaseItemCategory::getTable() => [
'ON' => [
KnowbaseItem_KnowbaseItemCategory::getTable() => KnowbaseItemCategory::getForeignKeyField(),
KnowbaseItemCategory::getTable() => 'id'
]
]
],
'WHERE' => [
KnowbaseItemCategory::getTableField('id') => null,
]
],
$kbitem_visibility_crit
)
)->current();
$categories[] = [
'id' => 0,
'name' => __s('Root category'),
'items_count' => $root_items_count['cpt'],
];
// construct flat data
$nodes = [];
foreach ($categories as $category) {
$cat_id = intval($category['id']);
$node = [
'key' => $cat_id,
'title' => $category['name'],
'parent' => $category[$cat_fk] ?? null,
'a_attr' => [
'data-id' => $cat_id
],
];
if ($category['items_count'] > 0) {
$node['title'] .= ' <span class="badge bg-azure-lt" title="' . __s('This category contains articles') . '">'
. $category['items_count']
. '</span>';
}
$nodes[] = $node;
}
// recursive construct tree data
$buildtree = function (array &$elements, $parent = null) use (&$buildtree) {
$branch = [];
foreach ($elements as $index => $element) {
if ($element['parent'] === $parent) {
$children = $buildtree($elements, $element['key']);
if (count($children) > 0) {
$element['children'] = $children;
}
$branch[] = $element;
unset($elements[$index]);
}
}
return $branch;
};
$newtree = $buildtree($nodes);
return $newtree;
}
/**
* Show the knowbase Manage view
**/
public static function showManageView()
{
if (isset($_GET["unpublished"])) {
$_SESSION['kbunpublished'] = $_GET["unpublished"];
} else if (isset($_SESSION['kbunpublished'])) {
$_GET["unpublished"] = $_SESSION['kbunpublished'];
}
if (!isset($_GET["unpublished"])) {
$_GET["unpublished"] = 'myunpublished';
}
$ki = new KnowbaseItem();
$ki->showManageForm($_GET);
KnowbaseItem::showList($_GET, $_GET["unpublished"]);
}
}