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Current File : /var/www/projetos/suporte.iigd.com.br.old/src/Computer_Item.php

<?php

/**
 * ---------------------------------------------------------------------
 *
 * GLPI - Gestionnaire Libre de Parc Informatique
 *
 * http://glpi-project.org
 *
 * @copyright 2015-2022 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/>.
 *
 * ---------------------------------------------------------------------
 */

/**
 * Computer_Item Class
 *
 * Relation between Computer and Items (monitor, printer, phone, peripheral only)
 **/
class Computer_Item extends CommonDBRelation
{
   // From CommonDBRelation
    public static $itemtype_1          = 'Computer';
    public static $items_id_1          = 'computers_id';

    public static $itemtype_2          = 'itemtype';
    public static $items_id_2          = 'items_id';
    public static $checkItem_2_Rights  = self::HAVE_VIEW_RIGHT_ON_ITEM;


    public function getForbiddenStandardMassiveAction()
    {

        $forbidden   = parent::getForbiddenStandardMassiveAction();
        $forbidden[] = 'update';
        return $forbidden;
    }


    /**
     * Count connection for a Computer and an itemtype
     *
     * @since 0.84
     *
     * @param $comp   Computer object
     * @param $item   CommonDBTM object
     *
     * @return integer: count
     **/
    public static function countForAll(Computer $comp, CommonDBTM $item)
    {

        return countElementsInTable(
            'glpi_computers_items',
            ['computers_id' => $comp->getField('id'),
                'itemtype'     => $item->getType(),
                'items_id'     => $item->getField('id')
            ]
        );
    }


    public function prepareInputForAdd($input)
    {
        global $CFG_GLPI;

        $item = static::getItemFromArray(static::$itemtype_2, static::$items_id_2, $input);

        if (
            !($item instanceof CommonDBTM)
            || (!$item->isGlobal()
              && ($this->countForItem($item) > 0))
        ) {
            return false;
        }

        $comp = static::getItemFromArray(static::$itemtype_1, static::$items_id_1, $input);
        if (
            !($comp instanceof Computer)
            || (self::countForAll($comp, $item) > 0)
        ) {
           // no duplicates
            return false;
        }

        if (!$item->isGlobal()) {
           // Autoupdate some fields - should be in post_addItem (here to avoid more DB access)
            $updates = [];

            if (
                $CFG_GLPI["is_location_autoupdate"]
                && ($comp->fields['locations_id'] != $item->getField('locations_id'))
            ) {
                $updates['locations_id'] = addslashes($comp->fields['locations_id']);
                Session::addMessageAfterRedirect(
                    __('Location updated. The connected items have been moved in the same location.'),
                    true
                );
            }
            if (
                ($CFG_GLPI["is_user_autoupdate"]
                && ($comp->fields['users_id'] != $item->getField('users_id')))
                || ($CFG_GLPI["is_group_autoupdate"]
                 && ($comp->fields['groups_id'] != $item->getField('groups_id')))
            ) {
                if ($CFG_GLPI["is_user_autoupdate"]) {
                    $updates['users_id'] = $comp->fields['users_id'];
                }
                if ($CFG_GLPI["is_group_autoupdate"]) {
                    $updates['groups_id'] = $comp->fields['groups_id'];
                }
                Session::addMessageAfterRedirect(
                    __('User or group updated. The connected items have been moved in the same values.'),
                    true
                );
            }

            if (
                $CFG_GLPI["is_contact_autoupdate"]
                && (($comp->fields['contact'] != $item->getField('contact'))
                 || ($comp->fields['contact_num'] != $item->getField('contact_num')))
            ) {
                $updates['contact']     = addslashes($comp->fields['contact'] ?? '');
                $updates['contact_num'] = addslashes($comp->fields['contact_num'] ?? '');
                $updates['is_dynamic'] = $comp->fields['is_dynamic'] ?? 0;
                Session::addMessageAfterRedirect(
                    __('Alternate username updated. The connected items have been updated using this alternate username.'),
                    true
                );
            }

            if (
                ($CFG_GLPI["state_autoupdate_mode"] < 0)
                && ($comp->fields['states_id'] != $item->getField('states_id'))
            ) {
                $updates['states_id'] = $comp->fields['states_id'];
                Session::addMessageAfterRedirect(
                    __('Status updated. The connected items have been updated using this status.'),
                    true
                );
            }

            if (
                ($CFG_GLPI["state_autoupdate_mode"] > 0)
                && ($item->getField('states_id') != $CFG_GLPI["state_autoupdate_mode"])
            ) {
                $updates['states_id'] = $CFG_GLPI["state_autoupdate_mode"];
            }

            if (count($updates)) {
                $updates['id'] = $input['items_id'];
                $history = true;
                if (isset($input['_no_history']) && $input['_no_history']) {
                    $history = false;
                }
                $item->update($updates, $history);
            }
        }
        return parent::prepareInputForAdd($input);
    }


    public function cleanDBonPurge()
    {
        global $CFG_GLPI;

        if (!isset($this->input['_no_auto_action'])) {
           //Get the computer name
            $computer = new Computer();
            $computer->getFromDB($this->fields['computers_id']);

           //Get device fields
            if ($device = getItemForItemtype($this->fields['itemtype'])) {
                if ($device->getFromDB($this->fields['items_id'])) {
                    if (!$device->getField('is_global')) {
                        $updates = [];
                        if ($CFG_GLPI["is_location_autoclean"] && $device->isField('locations_id')) {
                            $updates['locations_id'] = 0;
                        }
                        if ($CFG_GLPI["is_user_autoclean"] && $device->isField('users_id')) {
                            $updates['users_id'] = 0;
                        }
                        if ($CFG_GLPI["is_group_autoclean"] && $device->isField('groups_id')) {
                             $updates['groups_id'] = 0;
                        }
                        if ($CFG_GLPI["is_contact_autoclean"] && $device->isField('contact')) {
                             $updates['contact'] = "";
                        }
                        if ($CFG_GLPI["is_contact_autoclean"] && $device->isField('contact_num')) {
                            $updates['contact_num'] = "";
                        }
                        if (
                            ($CFG_GLPI["state_autoclean_mode"] < 0)
                            && $device->isField('states_id')
                        ) {
                            $updates['states_id'] = 0;
                        }

                        if (
                            ($CFG_GLPI["state_autoclean_mode"] > 0)
                            && $device->isField('states_id')
                            && ($device->getField('states_id') != $CFG_GLPI["state_autoclean_mode"])
                        ) {
                            $updates['states_id'] = $CFG_GLPI["state_autoclean_mode"];
                        }

                        if (count($updates)) {
                            $updates['id'] = $this->fields['items_id'];
                            $device->update($updates);
                        }
                    }
                }
            }
        }
    }


    public static function getMassiveActionsForItemtype(
        array &$actions,
        $itemtype,
        $is_deleted = 0,
        CommonDBTM $checkitem = null
    ) {

        $action_prefix = __CLASS__ . MassiveAction::CLASS_ACTION_SEPARATOR;
        $specificities = self::getRelationMassiveActionsSpecificities();

        if (in_array($itemtype, $specificities['itemtypes'])) {
            $actions[$action_prefix . 'add']    = "<i class='fa-fw fas fa-plug'></i>" .
                                             _x('button', 'Connect');
            $actions[$action_prefix . 'remove'] = _x('button', 'Disconnect');
        }
        parent::getMassiveActionsForItemtype($actions, $itemtype, $is_deleted, $checkitem);
    }


    public static function getRelationMassiveActionsSpecificities()
    {
        global $CFG_GLPI;

        $specificities              = parent::getRelationMassiveActionsSpecificities();

        $specificities['itemtypes'] = $CFG_GLPI['directconnect_types'];

        $specificities['select_items_options_2']['entity_restrict'] = $_SESSION['glpiactive_entity'];
        $specificities['select_items_options_2']['onlyglobal']      = true;

        $specificities['only_remove_all_at_once']                   = true;

       // Set the labels for add_item and remove_item
        $specificities['button_labels']['add']                      = _sx('button', 'Connect');
        $specificities['button_labels']['remove']                   = _sx('button', 'Disconnect');

        return $specificities;
    }


    /**
     * Disconnect an item to its computer
     *
     * @param $item    CommonDBTM object: the Monitor/Phone/Peripheral/Printer
     *
     * @return boolean : action succeeded
     */
    public function disconnectForItem(CommonDBTM $item)
    {
        global $DB;

        if ($item->getField('id')) {
            $iterator = $DB->request([
                'SELECT' => ['id'],
                'FROM'   => $this->getTable(),
                'WHERE'  => [
                    'itemtype'  => $item->getType(),
                    'items_id'  => $item->getID()
                ]
            ]);

            if (count($iterator) > 0) {
                 $ok = true;
                foreach ($iterator as $data) {
                    if ($this->can($data["id"], UPDATE)) {
                        $ok &= $this->delete($data);
                    }
                }
                 return $ok;
            }
        }
        return false;
    }


    /**
     *
     * Print the form for computers or templates connections to printers, screens or peripherals
     *
     * @param Computer $comp         Computer object
     * @param boolean  $withtemplate Template or basic item (default 0)
     *
     * @return void
     **/
    public static function showForComputer(Computer $comp, $withtemplate = 0)
    {
        global $CFG_GLPI;

        $ID      = $comp->fields['id'];
        $canedit = $comp->canEdit($ID);
        $rand    = mt_rand();

        $datas = [];
        $used  = [];
        foreach ($CFG_GLPI["directconnect_types"] as $itemtype) {
            $item = new $itemtype();
            if ($item->canView()) {
                $iterator = self::getTypeItems($ID, $itemtype);

                foreach ($iterator as $data) {
                    $data['assoc_itemtype'] = $itemtype;
                    $datas[]           = $data;
                    $used[$itemtype][] = $data['id'];
                }
            }
        }
        $number = count($datas);

        if (
            $canedit
            && !(!empty($withtemplate) && ($withtemplate == 2))
        ) {
            echo "<div class='firstbloc'>";
            echo "<form name='computeritem_form$rand' id='computeritem_form$rand' method='post'
                action='" . Toolbox::getItemTypeFormURL(__CLASS__) . "'>";

            echo "<table class='tab_cadre_fixe'>";
            echo "<tr class='tab_bg_2'><th colspan='2'>" . __('Connect an item') . "</th></tr>";

            echo "<tr class='tab_bg_1'><td>";
            if (!empty($withtemplate)) {
                echo "<input type='hidden' name='_no_history' value='1'>";
            }
            $entities = $comp->fields["entities_id"];
            if ($comp->isRecursive()) {
                $entities = getSonsOf("glpi_entities", $comp->getEntityID());
            }
            self::dropdownAllConnect('Computer', "items_id", $entities, $withtemplate, $used);
            echo "</td><td class='center' width='20%'>";
            echo "<input type='submit' name='add' value=\"" . _sx('button', 'Connect') . "\" class='btn btn-primary'>";
            echo "<input type='hidden' name='computers_id' value='" . $comp->fields['id'] . "'>";
            echo "</td></tr>";
            echo "</table>";
            Html::closeForm();
            echo "</div>";
        }

        if ($number) {
            echo "<div class='spaced table-responsive'>";
            if ($canedit) {
                Html::openMassiveActionsForm('mass' . __CLASS__ . $rand);
                $massiveactionparams
                = ['num_displayed'
                           => min($_SESSION['glpilist_limit'], $number),
                    'specific_actions'
                           => ['purge' => _x('button', 'Disconnect')],
                    'container'
                           => 'mass' . __CLASS__ . $rand
                ];
                Html::showMassiveActions($massiveactionparams);
            }
            echo "<table class='tab_cadre_fixehov'>";
            $header_begin  = "<tr>";
            $header_top    = '';
            $header_bottom = '';
            $header_end    = '';

            if ($canedit) {
                $header_top    .= "<th width='10'>" . Html::getCheckAllAsCheckbox('mass' . __CLASS__ . $rand);
                $header_top    .= "</th>";
                $header_bottom .= "<th width='10'>" . Html::getCheckAllAsCheckbox('mass' . __CLASS__ . $rand);
                $header_bottom .=  "</th>";
            }

            $header_end .= "<th>" . _n('Type', 'Types', 1) . "</th>";
            $header_end .= "<th>" . __('Name') . "</th>";
            $header_end .= "<th>" . __('Automatic inventory') . "</th>";
            $header_end .= "<th>" . Entity::getTypeName(1) . "</th>";
            $header_end .= "<th>" . __('Serial number') . "</th>";
            $header_end .= "<th>" . __('Inventory number') . "</th>";
            $header_end .= "</tr>";
            echo $header_begin . $header_top . $header_end;

            foreach ($datas as $data) {
                $linkname = $data["name"];
                $itemtype = $data['assoc_itemtype'];
                if ($_SESSION["glpiis_ids_visible"] || empty($data["name"])) {
                    $linkname = sprintf(__('%1$s (%2$s)'), $linkname, $data["id"]);
                }
                $link = $itemtype::getFormURLWithID($data["id"]);
                $name = "<a href=\"" . $link . "\">" . $linkname . "</a>";

                echo "<tr class='tab_bg_1'>";

                if ($canedit) {
                    echo "<td width='10'>";
                    Html::showMassiveActionCheckBox(__CLASS__, $data["linkid"]);
                    echo "</td>";
                }
                echo "<td>" . $data['assoc_itemtype']::getTypeName(1) . "</td>";
                echo "<td " .
                  ((isset($data['is_deleted']) && $data['is_deleted']) ? "class='tab_bg_2_2'" : "") .
                 ">" . $name . "</td>";
                $dynamic_field = static::getTable() . '_is_dynamic';
                echo "<td>" . Dropdown::getYesNo($data[$dynamic_field]) . "</td>";
                echo "<td>" . Dropdown::getDropdownName(
                    "glpi_entities",
                    $data['entities_id']
                );
                echo "</td>";
                echo "<td>" .
                   (isset($data["serial"]) ? "" . $data["serial"] . "" : "-") . "</td>";
                echo "<td>" .
                   (isset($data["otherserial"]) ? "" . $data["otherserial"] . "" : "-") . "</td>";
                echo "</tr>";
            }
            echo $header_begin . $header_bottom . $header_end;

            echo "</table>";
            if ($canedit && $number) {
                $massiveactionparams['ontop'] = false;
                Html::showMassiveActions($massiveactionparams);
                Html::closeForm();
            }
            echo "</div>";
        }
    }


    /**
     * Prints a direct connection to a computer
     *
     * @param $item                     CommonDBTM object: the Monitor/Phone/Peripheral/Printer
     * @param $withtemplate    integer  withtemplate param (default 0)
     *
     * @return void
     **/
    public static function showForItem(CommonDBTM $item, $withtemplate = 0)
    {
       // Prints a direct connection to a computer
        global $DB;

        $comp   = new Computer();
        $ID     = $item->getField('id');

        if (!$item->can($ID, READ)) {
            return;
        }
        $canedit = $item->canEdit($ID);
        $rand    = mt_rand();

       // Is global connection ?
        $global  = $item->getField('is_global');

        $used    = [];
        $compids = [];
        $dynamic = [];
        $result = $DB->request(
            [
                'SELECT' => ['id', 'computers_id', 'is_dynamic'],
                'FROM'   => self::getTable(),
                'WHERE'  => [
                    'itemtype'   => $item->getType(),
                    'items_id'   => $ID,
                    'is_deleted' => 0,
                ]
            ]
        );
        foreach ($result as $data) {
            $compids[$data['id']] = $data['computers_id'];
            $dynamic[$data['id']] = $data['is_dynamic'];
            $used['Computer'][]   = $data['computers_id'];
        }
        $number = count($compids);
        if (
            $canedit
            && ($global || !$number)
            && !(!empty($withtemplate) && ($withtemplate == 2))
        ) {
            echo "<div class='firstbloc'>";
            echo "<form name='computeritem_form$rand' id='computeritem_form$rand' method='post'
                action='" . Toolbox::getItemTypeFormURL(__CLASS__) . "'>";

            echo "<table class='tab_cadre_fixe'>";
            echo "<tr class='tab_bg_2'><th colspan='2'>" . __('Connect a computer') . "</th></tr>";

            echo "<tr class='tab_bg_1'><td class='right'>";
            echo "<input type='hidden' name='items_id' value='$ID'>";
            echo "<input type='hidden' name='itemtype' value='" . $item->getType() . "'>";
            if ($item->isRecursive()) {
                self::dropdownConnect(
                    'Computer',
                    $item->getType(),
                    "computers_id",
                    getSonsOf("glpi_entities", $item->getEntityID()),
                    0,
                    $used
                );
            } else {
                self::dropdownConnect(
                    'Computer',
                    $item->getType(),
                    "computers_id",
                    $item->getEntityID(),
                    0,
                    $used
                );
            }
            echo "</td><td class='center'>";
            echo "<input type='submit' name='add' value=\"" . _sx('button', 'Connect') . "\" class='btn btn-primary'>";
            echo "</td></tr>";
            echo "</table>";
            Html::closeForm();
            echo "</div>";
        }

        echo "<div class='spaced table-responsive'>";
        if ($canedit && $number) {
            Html::openMassiveActionsForm('mass' . __CLASS__ . $rand);
            $massiveactionparams
            = ['num_displayed'
                        => min($_SESSION['glpilist_limit'], $number),
                'specific_actions'
                        => ['purge' => _x('button', 'Disconnect')],
                'container'
                        => 'mass' . __CLASS__ . $rand
            ];
            Html::showMassiveActions($massiveactionparams);
        }
        echo "<table class='tab_cadre_fixehov'>";

        if ($number > 0) {
            $header_begin  = "<tr>";
            $header_top    = '';
            $header_bottom = '';
            $header_end    = '';

            if ($canedit) {
                $header_top    .= "<th width='10'>" . Html::getCheckAllAsCheckbox('mass' . __CLASS__ . $rand);
                $header_top    .= "</th>";
                $header_bottom .= "<th width='10'>" . Html::getCheckAllAsCheckbox('mass' . __CLASS__ . $rand);
                $header_bottom .= "</th>";
            }

            $header_end .= "<th>" . __('Name') . "</th>";
            $header_end .= "<th>" . __('Automatic inventory') . "</th>";
            $header_end .= "<th>" . Entity::getTypeName(1) . "</th>";
            $header_end .= "<th>" . __('Serial number') . "</th>";
            $header_end .= "<th>" . __('Inventory number') . "</th>";
            $header_end .= "</tr>";
            echo $header_begin . $header_top . $header_end;

            foreach ($compids as $key => $compid) {
                $comp->getFromDB($compid);

                echo "<tr class='tab_bg_1'>";

                if ($canedit) {
                    echo "<td width='10'>";
                    Html::showMassiveActionCheckBox(__CLASS__, $key);
                    echo "</td>";
                }
                echo "<td " .
                  ($comp->getField('is_deleted') ? "class='tab_bg_2_2'" : "") .
                 ">" . $comp->getLink() . "</td>";
                echo "<td>" . Dropdown::getYesNo($dynamic[$key]) . "</td>";
                echo "<td class='center'>" . Dropdown::getDropdownName(
                    "glpi_entities",
                    $comp->getField('entities_id')
                );
                echo "</td>";
                echo "<td class='center'>" . $comp->getField('serial') . "</td>";
                echo "<td class='center'>" . $comp->getField('otherserial') . "</td>";
                echo "</tr>";
            }
            echo $header_begin . $header_bottom . $header_end;
        } else {
            echo "<tr><td class='tab_bg_1 b'><i>" . __('Not connected') . "</i>";
            echo "</td></tr>";
        }

        echo "</table>";
        if ($canedit && $number) {
            $massiveactionparams['ontop'] = false;
            Html::showMassiveActions($massiveactionparams);
            Html::closeForm();
        }
        echo "</div>";
    }


    /**
     * Unglobalize an item : duplicate item and connections
     *
     * @param $item   CommonDBTM object to unglobalize
     **/
    public static function unglobalizeItem(CommonDBTM $item)
    {
        global $DB;

       // Update item to unit management :
        if ($item->getField('is_global')) {
            $input = ['id'        => $item->fields['id'],
                'is_global' => 0
            ];
            $item->update($input);

           // Get connect_wire for this connection
            $iterator = $DB->request([
                'SELECT' => ['id'],
                'FROM'   => self::getTable(),
                'WHERE'  => [
                    'items_id'  => $item->getID(),
                    'itemtype'  => $item->getType()
                ]
            ]);

            $first = true;
            foreach ($iterator as $data) {
                if ($first) {
                    $first = false;
                    unset($input['id']);
                    $conn = new self();
                } else {
                    $temp = clone $item;
                    unset($temp->fields['id']);
                    if ($newID = $temp->add($temp->fields)) {
                        $conn->update(['id'       => $data['id'],
                            'items_id' => $newID
                        ]);
                    }
                }
            }
        }
    }


    /**
     * Make a select box for connections
     *
     * @since 0.84
     *
     * @param string            $fromtype        from where the connection is
     * @param string            $myname          select name
     * @param integer|integer[] $entity_restrict Restrict to a defined entity (default = -1)
     * @param boolean           $onlyglobal      display only global devices (used for templates) (default 0)
     * @param integer[]         $used            Already used items ID: not to display in dropdown
     *
     * @return integer Random generated number used for select box ID (select box HTML is printed)
     */
    public static function dropdownAllConnect(
        $fromtype,
        $myname,
        $entity_restrict = -1,
        $onlyglobal = 0,
        $used = []
    ) {
        global $CFG_GLPI;

        $rand = mt_rand();

        $options               = [];
        $options['checkright'] = true;
        $options['name']       = 'itemtype';

        $rand = Dropdown::showItemType($CFG_GLPI['directconnect_types'], $options);
        if ($rand) {
            $params = ['itemtype'        => '__VALUE__',
                'fromtype'        => $fromtype,
                'value'           => 0,
                'myname'          => $myname,
                'onlyglobal'      => $onlyglobal,
                'entity_restrict' => $entity_restrict,
                'used'            => $used
            ];

            if ($onlyglobal) {
                $params['condition'] = ['is_global' => 1];
            }
            Ajax::updateItemOnSelectEvent(
                "dropdown_itemtype$rand",
                "show_$myname$rand",
                $CFG_GLPI["root_doc"] . "/ajax/dropdownConnect.php",
                $params
            );

            echo "<br><div id='show_$myname$rand'>&nbsp;</div>\n";
        }
        return $rand;
    }


    /**
     * Make a select box for connections
     *
     * @param string            $itemtype        type to connect
     * @param string            $fromtype        from where the connection is
     * @param string            $myname          select name
     * @param integer|integer[] $entity_restrict Restrict to a defined entity (default = -1)
     * @param boolean           $onlyglobal      display only global devices (used for templates) (default 0)
     * @param integer[]         $used            Already used items ID: not to display in dropdown
     *
     * @return integer Random generated number used for select box ID (select box HTML is printed)
     */
    public static function dropdownConnect(
        $itemtype,
        $fromtype,
        $myname,
        $entity_restrict = -1,
        $onlyglobal = 0,
        $used = []
    ) {
        global $CFG_GLPI;

        $rand     = mt_rand();

        $field_id = Html::cleanId("dropdown_" . $myname . $rand);
        $param    = [
            'entity_restrict' => $entity_restrict,
            'fromtype'        => $fromtype,
            'itemtype'        => $itemtype,
            'onlyglobal'      => $onlyglobal,
            'used'            => $used,
            '_idor_token'     => Session::getNewIDORToken($itemtype, [
                'entity_restrict' => $entity_restrict,
            ]),
        ];

        echo Html::jsAjaxDropdown(
            $myname,
            $field_id,
            $CFG_GLPI['root_doc'] . "/ajax/getDropdownConnect.php",
            $param
        );

        return $rand;
    }


    public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
    {
        global $CFG_GLPI;

       // can exists for Template
        if ($item->can($item->getField('id'), READ)) {
            $nb = 0;
            $canview = false;

            if ($item->getType() == Computer::getType()) {
                foreach ($CFG_GLPI['directconnect_types'] as $type) {
                    if ($type::canView()) {
                        $canview = true;
                        break;
                    }
                }

                if ($canview) {
                    if ($_SESSION['glpishow_count_on_tabs']) {
                        $nb = self::countForMainItem($item);
                    }
                }
            }

            if (in_array($item->getType(), $CFG_GLPI['directconnect_types']) && Computer::canView()) {
                $canview = true;
                if ($_SESSION['glpishow_count_on_tabs']) {
                    $nb = self::countForItem($item);
                }
            }

            if ($canview) {
                return self::createTabEntry(
                    _n('Connection', 'Connections', Session::getPluralNumber()),
                    $nb
                );
            }
        }
        return '';
    }


    public static function displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0)
    {
        global $CFG_GLPI;

        if ($item->getType() == Computer::getType()) {
            self::showForComputer($item, $withtemplate);
            return true;
        }

        if (in_array($item->getType(), $CFG_GLPI['directconnect_types'])) {
            self::showForItem($item, $withtemplate);
            return true;
        }

        throw new \RuntimeException(
            sprintf(
                'Cannot link a computer with a %s',
                $item->getType()
            )
        );
    }


    /**
     * @since 9.1.7
     *
     * @param CommonDBTM $item     item linked to the computer to check
     * @param integer[]  $entities entities to check
     *
     * @return boolean
     **/
    public static function canUnrecursSpecif(CommonDBTM $item, $entities)
    {
        global $DB;

        if ($item instanceof Computer) {
            // RELATION : items -> computers
            $iterator = $DB->request([
                'SELECT' => [
                    'itemtype',
                    new \QueryExpression('GROUP_CONCAT(DISTINCT ' . $DB->quoteName('items_id') . ') AS ids'),
                ],
                'FROM' => self::getTable(),
                'WHERE' => [
                    'computers_id' => $item->fields['id']
                ],
                'GROUP' => 'itemtype'
            ]);

            while ($data = $iterator->next()) {
                if (!class_exists($data['itemtype'])) {
                    continue;
                }
                if (countElementsInTable($data['itemtype']::getTable(), ['id' => $data['ids'], 'NOT' => ['entities_id' => $entities]]) > 0) {
                    return false;
                }
            }
        } else {
            // RELATION : computers -> items
            $iterator = $DB->request([
                'SELECT' => [
                    'itemtype',
                    new \QueryExpression('GROUP_CONCAT(DISTINCT ' . $DB->quoteName('items_id') . ') AS ids'),
                    'computers_id'
                ],
                'FROM'   => self::getTable(),
                'WHERE'  => [
                    'itemtype'  => $item->getType(),
                    'items_id'  => $item->fields['id']
                ],
                'GROUP'  => 'itemtype'
            ]);

            foreach ($iterator as $data) {
                if (countElementsInTable("glpi_computers", ['id' => $data["computers_id"], 'NOT' => ['entities_id' => $entities]]) > 0) {
                    return false;
                }
            }
        }

        return true;
    }


    protected static function getListForItemParams(CommonDBTM $item, $noent = false)
    {
        $params = parent::getListForItemParams($item, $noent);
        $params['WHERE'][self::getTable() . '.is_deleted'] = 0;
        return $params;
    }

    /**
     * Get SELECT param for getTypeItemsQueryParams
     *
     * @param CommonDBTM $item
     *
     * @return array
     */
    public static function getTypeItemsQueryParams_Select(CommonDBTM $item): array
    {
        $table = static::getTable();
        $select = parent::getTypeItemsQueryParams_Select($item);
        $select[] = "$table.is_dynamic AS {$table}_is_dynamic";

        return $select;
    }
}

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