TicketFollowup::prepareInputForAdd PHP Method

    function prepareInputForAdd($input)
    {
        global $CFG_GLPI;
        $input["_job"] = new Ticket();
        if (empty($input['content']) && !isset($input['add_close']) && !isset($input['add_reopen'])) {
            Session::addMessageAfterRedirect(__("You can't add a followup without description"), false, ERROR);
            return false;
        }
        if (!$input["_job"]->getFromDB($input["tickets_id"])) {
            return false;
        }
        if ($CFG_GLPI["use_rich_text"]) {
            $input['content'] = $input["_job"]->setSimpleTextContent($input["content"]);
        }
        // Manage File attached (from mailgate)
        // Pass filename if set to ticket
        if (isset($input['_filename'])) {
            $input["_job"]->input['_filename'] = $input['_filename'];
        }
        // Add docs without notif
        $docadded = $input["_job"]->addFiles(0, 1);
        if (count($docadded) > 0) {
            $input['content'] .= "\n";
            foreach ($docadded as $name) {
                //TRANS: %s is tha document name
                $input['content'] .= "\n" . sprintf(__('Added document: %s'), Toolbox::addslashes_deep($name['data']));
            }
        }
        // Pass old assign From Ticket in case of assign change
        // if (isset($input["_old_assign"])) {
        //    $input["_job"]->fields["_old_assign"] = $input["_old_assign"];
        // }
        // if (!isset($input["type"])) {
        //    $input["type"] = "followup";
        // }
        // $input["_type"] = $input["type"];
        // unset($input["type"]);
        $input['_close'] = 0;
        if (!isset($input["users_id"])) {
            $input["users_id"] = 0;
            if ($uid = Session::getLoginUserID()) {
                $input["users_id"] = $uid;
            }
        }
        // if ($input["_isadmin"] && $input["_type"]!="update") {
        if (isset($input["add_close"])) {
            $input['_close'] = 1;
            if (empty($input['content'])) {
                $input['content'] = __('Solution approved');
            }
        }
        unset($input["add_close"]);
        if (!isset($input["is_private"])) {
            $input['is_private'] = 0;
        }
        if (isset($input["add_reopen"])) {
            if ($input["content"] == '') {
                if (isset($input["_add"])) {
                    // Reopen using add form
                    Session::addMessageAfterRedirect(__('If you want to reopen the ticket, you must specify a reason'), false, ERROR);
                } else {
                    // Refuse solution
                    Session::addMessageAfterRedirect(__('If you reject the solution, you must specify a reason'), false, ERROR);
                }
                return false;
            }
            $input['_reopen'] = 1;
        }
        unset($input["add_reopen"]);
        // }
        unset($input["add"]);
        $input["date"] = $_SESSION["glpi_currenttime"];
        return $input;
    }