PHP ArtefactTypeFileBase::get_new_file_title方法代码示例

function pieform_element_filebrowser_upload(Pieform $form, $element, $data)
{
    global $USER;
    $parentfolder = $data['uploadfolder'] ? (int) $data['uploadfolder'] : null;
    $institution = !empty($element['institution']) ? $element['institution'] : $form->get_property('institution');
    $group = !empty($element['group']) ? $element['group'] : $form->get_property('group');
    if (get_config('licensemetadata')) {
        $license = $data['license'];
        $licensor = $data['licensor'];
        $licensorurl = $data['licensorurl'];
    }
    $uploadnumber = (int) $data['uploadnumber'];
    $editable = (int) $element['config']['edit'];
    $selectable = (int) $element['config']['select'];
    $querybase = $element['page'] . (strpos($element['page'], '?') === false ? '?' : '&');
    $prefix = $form->get_name() . '_' . $element['name'];
    $userfileindex = isset($data['userfileindex']) ? $data['userfileindex'] : null;
    $resizeonuploadenable = get_config_plugin('artefact', 'file', 'resizeonuploadenable');
    $resizeonuploaduseroption = get_config_plugin('artefact', 'file', 'resizeonuploaduseroption');
    $resizeonuploaduserenable = (int) $data['resizeonuploaduserenable'];
    $result = array('error' => false, 'uploadnumber' => $uploadnumber);
    if ($parentfolder == 0) {
        $parentfolder = null;
    }
    $data = new StdClass();
    $data->parent = $parentfolder;
    $data->owner = $data->group = $data->institution = null;
    if (get_config('licensemetadata')) {
        $data->license = $license;
        $data->licensor = $licensor;
        $data->licensorurl = $licensorurl;
    }
    if ($parentfolder) {
        $parentartefact = artefact_instance_from_id($parentfolder);
        if (!$USER->can_edit_artefact($parentartefact)) {
            $result['error'] = true;
            $result['message'] = get_string('cannoteditfolder', 'artefact.file');
            return $result;
        } else {
            if ($parentartefact->get('locked')) {
                $result['error'] = true;
                $result['message'] = get_string('cannoteditfoldersubmitted', 'artefact.file');
                return $result;
            }
        }
        $parentfoldername = $parentartefact->get('title');
    } else {
        $parentfoldername = null;
    }
    if ($institution) {
        if (!$USER->can_edit_institution($institution)) {
            $result['error'] = true;
            $result['message'] = get_string('notadminforinstitution', 'admin');
            return $result;
        }
        $data->institution = $institution;
    } else {
        if ($group) {
            if (!group_within_edit_window($group)) {
                return array('error' => true, 'message' => get_string('cannoteditfolder', 'artefact.file'));
            }
            if (!$parentfolder) {
                if (!pieform_element_filebrowser_edit_group_folder($group, 0)) {
                    return array('error' => true, 'message' => get_string('cannoteditfolder', 'artefact.file'));
                }
            }
            $data->group = $group;
        } else {
            $data->owner = $USER->get('id');
        }
    }
    $data->container = 0;
    if (isset($userfileindex)) {
        $originalname = $_FILES['userfile']['name'][$userfileindex];
    } else {
        $originalname = $_FILES['userfile']['name'];
    }
    $originalname = $originalname ? basename($originalname) : get_string('file', 'artefact.file');
    $data->title = ArtefactTypeFileBase::get_new_file_title($originalname, $parentfolder, $data->owner, $group, $institution);
    // Overwrite image file with resized version if required
    $resized = false;
    $resizeattempted = false;
    // resize specified if (resizing is enabled AND user has enabled resizing) OR (resizing is enabled AND user is not given an option to enable/disable)
    if ($resizeonuploadenable && $resizeonuploaduserenable || $resizeonuploadenable && !$resizeonuploaduseroption) {
        require_once 'file.php';
        require_once 'imageresizer.php';
        $file = $_FILES['userfile'];
        if (isset($userfileindex)) {
            $tmpname = $file['tmp_name'][$userfileindex];
        } else {
            $tmpname = $file['tmp_name'];
        }
        if (is_image_file($tmpname)) {
            $imageinfo = getimagesize($tmpname);
            $mimetype = $imageinfo['mime'];
            $width = $imageinfo[0];
            $height = $imageinfo[1];
            $bmptypes = array('image/bmp', 'image/x-bmp', 'image/ms-bmp', 'image/x-ms-bmp');
            // resize image if necessary
            $resizeonuploadmaxwidth = get_config_plugin('artefact', 'file', 'resizeonuploadmaxwidth');
//.........这里部分代码省略.........

//.........这里部分代码省略.........
     }
     // See if we need to create/update a profile Icon image
     if ($create || $update) {
         $client->set_method('auth/mnet/auth.php/fetch_user_image')->add_param($remoteuser->username)->send($remotewwwroot);
         $imageobject = (object) $client->response;
         $u = preg_replace('/[^A-Za-z0-9 ]/', '', $user->username);
         $filename = get_config('dataroot') . 'temp/mpi_' . intval($this->instanceid) . '_' . $u;
         if (array_key_exists('f1', $client->response)) {
             $imagecontents = base64_decode($client->response['f1']);
             if (file_put_contents($filename, $imagecontents)) {
                 $imageexists = false;
                 $icons = false;
                 if ($update) {
                     $newchecksum = sha1_file($filename);
                     $icons = get_records_select_array('artefact', 'artefacttype = \'profileicon\' AND owner = ? ', array($user->id), '', 'id');
                     if (false != $icons) {
                         foreach ($icons as $icon) {
                             $iconfile = get_config('dataroot') . 'artefact/file/profileicons/originals/' . $icon->id % 256 . '/' . $icon->id;
                             $checksum = sha1_file($iconfile);
                             if ($newchecksum == $checksum) {
                                 $imageexists = true;
                                 unlink($filename);
                                 break;
                             }
                         }
                     }
                 }
                 if (false == $imageexists) {
                     $filesize = filesize($filename);
                     if (!$user->quota_allowed($filesize)) {
                         $error = get_string('profileiconuploadexceedsquota', 'artefact.file', get_config('wwwroot'));
                     }
                     require_once 'file.php';
                     $imagesize = getimagesize($filename);
                     if (!$imagesize || !is_image_type($imagesize[2])) {
                         $error = get_string('filenotimage');
                     }
                     $mime = $imagesize['mime'];
                     $width = $imagesize[0];
                     $height = $imagesize[1];
                     $imagemaxwidth = get_config('imagemaxwidth');
                     $imagemaxheight = get_config('imagemaxheight');
                     if ($width > $imagemaxwidth || $height > $imagemaxheight) {
                         $error = get_string('profileiconimagetoobig', 'artefact.file', $width, $height, $imagemaxwidth, $imagemaxheight);
                     }
                     try {
                         $user->quota_add($filesize);
                     } catch (QuotaException $qe) {
                         $error = get_string('profileiconuploadexceedsquota', 'artefact.file', get_config('wwwroot'));
                     }
                     require_once get_config('docroot') . '/artefact/lib.php';
                     require_once get_config('docroot') . '/artefact/file/lib.php';
                     // Entry in artefact table
                     $artefact = new ArtefactTypeProfileIcon();
                     $artefact->set('owner', $user->id);
                     $artefact->set('parent', ArtefactTypeFolder::get_folder_id(get_string('imagesdir', 'artefact.file'), get_string('imagesdirdesc', 'artefact.file'), null, true, $user->id));
                     $artefact->set('title', ArtefactTypeFileBase::get_new_file_title(get_string('profileicon', 'artefact.file'), (int) $artefact->get('parent'), $user->id));
                     // unique title
                     $artefact->set('description', get_string('uploadedprofileicon', 'artefact.file'));
                     $artefact->set('note', get_string('profileicon', 'artefact.file'));
                     $artefact->set('size', $filesize);
                     $artefact->set('filetype', $mime);
                     $artefact->set('width', $width);
                     $artefact->set('height', $height);
                     $artefact->commit();
                     $id = $artefact->get('id');
                     // Move the file into the correct place.
                     $directory = get_config('dataroot') . 'artefact/file/profileicons/originals/' . $id % 256 . '/';
                     check_dir_exists($directory);
                     rename($filename, $directory . $id);
                     if ($create || empty($icons)) {
                         $user->profileicon = $id;
                     }
                 }
                 $user->commit();
             } else {
                 log_warn(get_string('cantcreatetempprofileiconfile', 'artefact.file', $filename));
             }
         }
         if ($update) {
             $locked[] = 'profileicon';
         }
     }
     /*******************************************/
     // We know who our user is now. Bring her back to life.
     $USER->reanimate($user->id, $this->instanceid);
     // Set session variables to let the application know this session was
     // initiated by MNET. Don't forget that users could initiate their
     // sessions without MNET sometimes, which is why this data is stored in
     // the session object.
     $SESSION->set('mnetuser', $user->id);
     $SESSION->set('authinstance', $this->instanceid);
     if (isset($_SERVER['HTTP_REFERER'])) {
         $SESSION->set('mnetuserfrom', $_SERVER['HTTP_REFERER']);
     }
     if ($update && isset($locked)) {
         $SESSION->set('lockedfields', $locked);
     }
     return true;
 }

function add_feedback_form_submit(Pieform $form, $values)
{
    global $view, $artefact, $USER;
    $data = (object) array('title' => get_string('Comment', 'artefact.comment'), 'description' => $values['message']);
    if ($artefact) {
        $data->onartefact = $artefact->get('id');
        $data->owner = $artefact->get('owner');
        $data->group = $artefact->get('group');
        $data->institution = $artefact->get('institution');
    } else {
        $data->onview = $view->get('id');
        $data->owner = $view->get('owner');
        $data->group = $view->get('group');
        $data->institution = $view->get('institution');
    }
    if ($author = $USER->get('id')) {
        $anonymous = false;
        $data->author = $author;
    } else {
        $anonymous = true;
        $data->authorname = $values['authorname'];
    }
    if (isset($values['moderate']) && $values['ispublic'] && !$USER->can_edit_view($view)) {
        $data->private = 1;
        $data->requestpublic = 'author';
        $moderated = true;
    } else {
        $data->private = (int) (!$values['ispublic']);
        $moderated = false;
    }
    $private = $data->private;
    if (get_config('licensemetadata')) {
        $data->license = $values['license'];
        $data->licensor = $values['licensor'];
        $data->licensorurl = $values['licensorurl'];
    }
    if (isset($values['rating'])) {
        $data->rating = valid_rating($values['rating']);
    }
    $comment = new ArtefactTypeComment(0, $data);
    db_begin();
    $comment->commit();
    $url = $comment->get_view_url($view->get('id'), true, false);
    $goto = get_config('wwwroot') . $url;
    if (isset($data->requestpublic) && $data->requestpublic === 'author' && $data->owner) {
        $arg = $author ? display_name($USER, null, true) : $data->authorname;
        $moderatemsg = (object) array('subject' => false, 'message' => false, 'strings' => (object) array('subject' => (object) array('key' => 'makepublicrequestsubject', 'section' => 'artefact.comment', 'args' => array()), 'message' => (object) array('key' => 'makepublicrequestbyauthormessage', 'section' => 'artefact.comment', 'args' => array(hsc($arg))), 'urltext' => (object) array('key' => 'Comment', 'section' => 'artefact.comment')), 'users' => array($data->owner), 'url' => $url);
    }
    if (!empty($values['attachments']) && is_array($values['attachments']) && !empty($data->author)) {
        require_once get_config('libroot') . 'uploadmanager.php';
        safe_require('artefact', 'file');
        $ownerlang = empty($data->owner) ? get_config('lang') : get_user_language($data->owner);
        $folderid = ArtefactTypeFolder::get_folder_id(get_string_from_language($ownerlang, 'feedbackattachdirname', 'artefact.comment'), get_string_from_language($ownerlang, 'feedbackattachdirdesc', 'artefact.comment'), null, true, $data->owner, $data->group, $data->institution);
        $attachment = (object) array('owner' => $data->owner, 'group' => $data->group, 'institution' => $data->institution, 'author' => $data->author, 'allowcomments' => 0, 'parent' => $folderid, 'description' => get_string_from_language($ownerlang, 'feedbackonviewbyuser', 'artefact.comment', $view->get('title'), display_name($USER)));
        foreach ($values['attachments'] as $filesindex) {
            $originalname = $_FILES[$filesindex]['name'];
            $attachment->title = ArtefactTypeFileBase::get_new_file_title($originalname, $folderid, $data->owner, $data->group, $data->institution);
            try {
                $fileid = ArtefactTypeFile::save_uploaded_file($filesindex, $attachment);
            } catch (QuotaExceededException $e) {
                if ($data->owner == $USER->get('id')) {
                    $form->reply(PIEFORM_ERR, array('message' => $e->getMessage()));
                }
                redirect($goto);
            } catch (UploadException $e) {
                $form->reply(PIEFORM_ERR, array('message' => $e->getMessage()));
                redirect($goto);
            }
            $comment->attach($fileid);
        }
    }
    require_once 'activity.php';
    $data = (object) array('commentid' => $comment->get('id'), 'viewid' => $view->get('id'));
    activity_occurred('feedback', $data, 'artefact', 'comment');
    if (isset($moderatemsg)) {
        activity_occurred('maharamessage', $moderatemsg);
    }
    db_commit();
    $newlist = ArtefactTypeComment::get_comments(10, 0, 'last', $view, $artefact);
    // If you're anonymous and your message is moderated or private, then you won't
    // be able to tell what happened to it. So we'll provide some more explanation in
    // the feedback message.
    if ($anonymous && $moderated) {
        $message = get_string('feedbacksubmittedmoderatedanon', 'artefact.comment');
    } else {
        if ($anonymous && $private) {
            $message = get_string('feedbacksubmittedprivateanon', 'artefact.comment');
        } else {
            $message = get_string('feedbacksubmitted', 'artefact.comment');
        }
    }
    $form->reply(PIEFORM_OK, array('message' => $message, 'goto' => $goto, 'data' => $newlist));
}

// Set tags
try {
    $tags = explode(",", param_variable('tags'));
} catch (ParameterException $e) {
}
// -- Now check for files to upload --
$artefact_id = '';
// our resulting artefact id on creation
if ($_FILES) {
    $file_title = $title;
    if ($blog || !$title) {
        // set the filename to be the title of the artefact
        $file_title = basename($_FILES['userfile']['name']);
    }
    try {
        $data->title = ArtefactTypeFileBase::get_new_file_title($file_title, $data->parent, $data->owner);
        if (!$blog) {
            // only set a description if it's an artefact upload
            $data->description = $description;
        }
        $data->tags = $tags;
        $artefact_id = ArtefactTypeFile::save_uploaded_file('userfile', $data);
        if ($artefact_id) {
            $json['id'] = $artefact_id;
        }
    } catch (QuotaExceededException $e) {
        jsonreply(array('fail' => 'Quota exceeded'));
    } catch (UploadException $e) {
        jsonreply(array('fail' => 'Failed to save file'));
    }
}

 /**
  * Ensures that the given value for the given composite is present
  * TODO: expand on these docs.
  * @param unknown_type $values
  * @param unknown_type $compositetype
  * @param unknown_type $owner
  * @return int If successful, the ID of the composite artefact
  * @throws SystemException
  */
 public static function ensure_composite_value($values, $compositetype, $owner)
 {
     global $USER;
     if (!in_array($compositetype, self::get_composite_artefact_types())) {
         throw new SystemException("ensure_composite_value called with invalid composite type");
     }
     try {
         $a = artefact_instance_from_type($compositetype, $owner);
         $a->set('mtime', time());
     } catch (Exception $e) {
         $classname = generate_artefact_class_name($compositetype);
         $a = new $classname(0, array('owner' => $owner, 'title' => get_string($compositetype, 'artefact.resume')));
     }
     $a->commit();
     $values['artefact'] = $a->get('id');
     $table = 'artefact_resume_' . $compositetype;
     if (!empty($values['id'])) {
         $itemid = $values['id'];
         update_record($table, (object) $values, 'id');
     } else {
         if (isset($values['displayorder'])) {
             $values['displayorder'] = intval($values['displayorder']);
         } else {
             $max = get_field($table, 'MAX(displayorder)', 'artefact', $values['artefact']);
             $values['displayorder'] = is_numeric($max) ? $max + 1 : 0;
         }
         $itemid = insert_record($table, (object) $values, 'id', true);
     }
     // If there are any attachments, attach them to your Resume...
     if ($compositetype == 'educationhistory' || $compositetype == 'employmenthistory') {
         $goto = get_config('wwwroot') . 'artefact/resume/employment.php';
     } else {
         $goto = get_config('wwwroot') . 'artefact/resume/achievements.php';
     }
     // Attachments via 'files' pieform element
     // This happens when adding new resume composite...
     if (array_key_exists('attachments', $values)) {
         require_once get_config('libroot') . 'uploadmanager.php';
         safe_require('artefact', 'file');
         $folderid = null;
         $attachment = (object) array('owner' => $owner, 'group' => null, 'institution' => null, 'author' => $owner, 'allowcomments' => 0, 'parent' => $folderid, 'description' => null);
         foreach ($values['attachments'] as $filesindex) {
             $originalname = $_FILES[$filesindex]['name'];
             $attachment->title = ArtefactTypeFileBase::get_new_file_title($originalname, $folderid, $owner, null, null);
             try {
                 $fileid = ArtefactTypeFile::save_uploaded_file($filesindex, $attachment);
             } catch (QuotaExceededException $e) {
                 return array('message' => $e->getMessage(), 'goto' => $goto);
             } catch (UploadException $e) {
                 return array('message' => $e->getMessage(), 'goto' => $goto);
             }
             $a->attach($fileid, $itemid);
         }
     }
     // Attachments via 'filebrowser' pieform element
     // This happens when editing resume composite...
     if (array_key_exists('filebrowser', $values)) {
         $old = $a->attachment_id_list_with_item($itemid);
         $new = is_array($values['filebrowser']) ? $values['filebrowser'] : array();
         // only allow the attaching of files that exist and are editable by user
         foreach ($new as $key => $fileid) {
             $file = artefact_instance_from_id($fileid);
             if (!$file instanceof ArtefactTypeFile || !$USER->can_publish_artefact($file)) {
                 unset($new[$key]);
             }
         }
         if (!empty($new) || !empty($old)) {
             foreach ($old as $o) {
                 if (!in_array($o, $new)) {
                     try {
                         $a->detach($o, $itemid);
                     } catch (ArtefactNotFoundException $e) {
                     }
                 }
             }
             $is_error = false;
             foreach ($new as $n) {
                 if (!in_array($n, $old)) {
                     // check the new item is not already attached to the
                     // artefact under a different $itemid
                     if (record_exists('artefact_attachment', 'artefact', $a->get('id'), 'attachment', $n)) {
                         $artefactfile = artefact_instance_from_id($n);
                         $is_error[] = $artefactfile->get('title');
                     } else {
                         try {
                             $a->attach($n, $itemid);
                         } catch (ArtefactNotFoundException $e) {
                         }
                     }
                 }
             }
//.........这里部分代码省略.........

 public function unzip_directory_name()
 {
     if (isset($this->data['unzipdir'])) {
         return $this->data['unzipdir'];
     }
     $folderdata = ArtefactTypeFileBase::artefactchooser_folder_data($this);
     $parent = $this->get('parent');
     $strpath = ArtefactTypeFileBase::get_full_path($parent, $folderdata->data);
     $extn = $this->get('oldextension');
     $name = $this->get('title');
     if (substr($name, -1 - strlen($extn)) == '.' . $extn) {
         $name = substr($name, 0, strlen($name) - 1 - strlen($extn));
     }
     $name = ArtefactTypeFileBase::get_new_file_title($name, $parent, $this->get('owner'), $this->get('group'), $this->get('institution'));
     $this->data['unzipdir'] = array('basename' => $name, 'fullname' => $strpath . $name);
     return $this->data['unzipdir'];
 }

function add_feedback_form_submit(Pieform $form, $values)
{
    global $view, $artefact, $USER;
    $data = new StdClass();
    $data->view = $view->get('id');
    if ($artefact) {
        $data->artefact = $artefact->get('id');
        $table = 'artefact_feedback';
    } else {
        $table = 'view_feedback';
    }
    $data->message = $values['message'];
    $data->public = (int) $values['ispublic'];
    $data->author = $USER->get('id');
    if (!$data->author) {
        unset($data->author);
        $data->authorname = $values['authorname'];
    }
    $data->ctime = db_format_timestamp(time());
    db_begin();
    if (is_array($values['attachment'])) {
        require_once get_config('libroot') . 'group.php';
        require_once get_config('libroot') . 'uploadmanager.php';
        safe_require('artefact', 'file');
        $groupid = $view->get('submittedgroup');
        if (group_user_can_assess_submitted_views($groupid, $USER->get('id'))) {
            $um = new upload_manager('attachment');
            if ($error = $um->preprocess_file()) {
                throw new UploadException($error);
            }
            $owner = $view->get('owner');
            $ownerlang = get_user_language($owner);
            $folderid = ArtefactTypeFolder::get_folder_id(get_string_from_language($ownerlang, 'feedbackattachdirname', 'view'), get_string_from_language($ownerlang, 'feedbackattachdirdesc', 'view'), null, true, $owner);
            $attachment = (object) array('owner' => $owner, 'parent' => $folderid, 'title' => ArtefactTypeFileBase::get_new_file_title($values['attachment']['name'], $folderid, $owner), 'size' => $values['attachment']['size'], 'filetype' => $values['attachment']['type'], 'oldextensin' => $um->original_filename_extension(), 'description' => get_string_from_language($ownerlang, 'feedbackonviewbytutorofgroup', 'view', $view->get('title'), display_name($USER), get_field('group', 'name', 'id', $groupid)));
            try {
                $data->attachment = ArtefactTypeFile::save_uploaded_file('attachment', $attachment);
            } catch (QuotaExceededException $e) {
            }
        }
    }
    insert_record($table, $data, 'id', true);
    require_once 'activity.php';
    unset($data->id);
    activity_occurred('feedback', $data);
    db_commit();
    if ($artefact) {
        $goto = get_config('wwwroot') . 'view/artefact.php?artefact=' . $artefact->get('id') . '&view=' . $view->get('id');
    } else {
        $goto = get_config('wwwroot') . 'view/view.php?id=' . $view->get('id');
    }
    $form->reply(PIEFORM_OK, array('message' => get_string('feedbacksubmitted', 'view'), 'goto' => $goto));
}

function pieform_element_filebrowser_upload(Pieform $form, $element, $data)
{
    global $USER;
    $parentfolder = $data['uploadfolder'] ? (int) $data['uploadfolder'] : null;
    $institution = $form->get_property('institution');
    $group = $form->get_property('group');
    $uploadnumber = (int) $data['uploadnumber'];
    $editable = (int) $element['config']['edit'];
    $selectable = (int) $element['config']['select'];
    $querybase = $element['page'] . (strpos($element['page'], '?') === false ? '?' : '&');
    $prefix = $form->get_name() . '_' . $element['name'];
    $result = array('error' => false, 'uploadnumber' => $uploadnumber);
    if ($parentfolder == 0) {
        $parentfolder = null;
    }
    $data = new StdClass();
    $data->parent = $parentfolder;
    $data->owner = null;
    if ($parentfolder) {
        $parentartefact = artefact_instance_from_id($parentfolder);
        if (!$USER->can_edit_artefact($parentartefact)) {
            $result['error'] = true;
            $result['message'] = get_string('cannoteditfolder', 'artefact.file');
            return $result;
        } else {
            if ($parentartefact->get('locked')) {
                $result['error'] = true;
                $result['message'] = get_string('cannoteditfoldersubmitted', 'artefact.file');
                return $result;
            }
        }
        $parentfoldername = $parentartefact->get('title');
    } else {
        $parentfoldername = null;
    }
    if ($institution) {
        if (!$USER->can_edit_institution($institution)) {
            $result['error'] = true;
            $result['message'] = get_string('notadminforinstitution', 'admin');
            return $result;
        }
        $data->institution = $institution;
    } else {
        if ($group) {
            require_once get_config('libroot') . 'group.php';
            if (!$parentfolder) {
                $role = group_user_access($group);
                if (!$role) {
                    $result['error'] = true;
                    $result['message'] = get_string('usernotingroup', 'mahara');
                    return $result;
                }
                // Use default grouptype artefact permissions to check if the
                // user can upload a file to the group's root directory
                $permissions = group_get_default_artefact_permissions($group);
                if (!$permissions[$role]->edit) {
                    $result['error'] = true;
                    $result['message'] = get_string('cannoteditfolder', 'artefact.file');
                    return $result;
                }
            }
            $data->group = $group;
        } else {
            $data->owner = $USER->get('id');
        }
    }
    $data->container = 0;
    $originalname = $_FILES['userfile']['name'];
    $originalname = $originalname ? basename($originalname) : get_string('file', 'artefact.file');
    $data->title = ArtefactTypeFileBase::get_new_file_title($originalname, $parentfolder, $data->owner, $group, $institution);
    try {
        $newid = ArtefactTypeFile::save_uploaded_file('userfile', $data);
    } catch (QuotaExceededException $e) {
        prepare_upload_failed_message($result, $e, $parentfoldername, $originalname);
        // update the file listing
        $result['quota'] = $USER->get('quota');
        $result['quotaused'] = $USER->get('quotaused');
        $result['newlist'] = pieform_element_filebrowser_build_filelist($form, $element, $parentfolder);
        return $result;
    } catch (UploadException $e) {
        prepare_upload_failed_message($result, $e, $parentfoldername, $originalname);
        return $result;
    }
    // Upload succeeded
    if (isset($element['filters'])) {
        $artefacttypes = isset($element['filters']['artefacttype']) ? $element['filters']['artefacttype'] : null;
        $filetypes = isset($element['filters']['filetype']) ? $element['filters']['filetype'] : null;
        if (!empty($artefacttypes) || !empty($filetypes)) {
            // Need to check the artefacttype or filetype (mimetype) of the uploaded file.
            $file = artefact_instance_from_id($newid);
            if (is_array($artefacttypes) && !in_array($file->get('artefacttype'), $artefacttypes) || is_array($filetypes) && !in_array($file->get('filetype'), $filetypes)) {
                $result['error'] = true;
                $result['uploaded'] = true;
                $result['message'] = get_string('wrongfiletypeforblock', 'artefact.file');
                return $result;
            }
        }
    }
    if ($parentfoldername) {
        if ($data->title == $originalname) {
//.........这里部分代码省略.........

function upload_submit(Pieform $form, $values)
{
    global $USER, $filesize;
    safe_require('artefact', 'file');
    try {
        $USER->quota_add($filesize);
    } catch (QuotaException $qe) {
        $form->json_reply(PIEFORM_ERR, array('message' => get_string('profileiconuploadexceedsquota', 'artefact.file', get_config('wwwroot'))));
    }
    // Entry in artefact table
    $data = new stdClass();
    $data->owner = $USER->id;
    $data->parent = ArtefactTypeFolder::get_folder_id(get_string('imagesdir', 'artefact.file'), get_string('imagesdirdesc', 'artefact.file'), null, true, $USER->id);
    $data->title = $values['title'] ? $values['title'] : $values['file']['name'];
    $data->title = ArtefactTypeFileBase::get_new_file_title($data->title, (int) $data->parent, $USER->id);
    // unique title
    $data->note = $values['file']['name'];
    $data->size = $filesize;
    $imageinfo = getimagesize($values['file']['tmp_name']);
    $data->width = $imageinfo[0];
    $data->height = $imageinfo[1];
    $data->filetype = $imageinfo['mime'];
    $data->description = get_string('uploadedprofileicon', 'artefact.file');
    $artefact = new ArtefactTypeProfileIcon(0, $data);
    if (preg_match("/\\.([^\\.]+)\$/", $values['file']['name'], $saved)) {
        $artefact->set('oldextension', $saved[1]);
    }
    $artefact->commit();
    $id = $artefact->get('id');
    // Move the file into the correct place.
    $directory = get_config('dataroot') . 'artefact/file/profileicons/originals/' . $id % 256 . '/';
    check_dir_exists($directory);
    move_uploaded_file($values['file']['tmp_name'], $directory . $id);
    $USER->commit();
    $form->json_reply(PIEFORM_OK, get_string('profileiconaddedtoimagesfolder', 'artefact.file', get_string('imagesdir', 'artefact.file')));
}

//.........这里部分代码省略.........
                    INNER JOIN {artefact} a ON a.id = c.artefact
                WHERE
                    ' . $onvieworartefactstr . '
                    AND a.parent = ?
                ORDER BY c.threadedposition DESC
                LIMIT 1', array($parentid))) {
            $parentid = $lastchild[0]->artefact;
            $data->threadedposition = $lastchild[0]->threadedposition;
        }
        $data->threadedposition++;
        // Increase the threaded position of following comments by 1
        execute_sql('
            UPDATE {artefact_comment_comment}
            SET threadedposition = threadedposition + 1
            WHERE
                ' . $onvieworartefactstr . '
                AND threadedposition >= ?', array($data->threadedposition));
    }
    if (!isset($data->threadedposition)) {
        $lastcomment = get_record_sql('
            SELECT max(threadedposition) AS lastposition
            FROM {artefact_comment_comment} c
            WHERE
                ' . $onvieworartefactstr);
        $data->threadedposition = $lastcomment->lastposition ? $lastcomment->lastposition + 1 : 1;
    }
    $comment = new ArtefactTypeComment(0, $data);
    db_begin();
    $comment->commit();
    $newdescription = EmbeddedImage::prepare_embedded_images($values['message'], 'comment', $comment->get('id'), $data->group);
    if ($newdescription !== $values['message']) {
        $updatedcomment = new stdClass();
        $updatedcomment->id = $comment->get('id');
        $updatedcomment->description = $newdescription;
        update_record('artefact', $updatedcomment, 'id');
    }
    $url = $comment->get_view_url($view->get('id'), true, false);
    $goto = get_config('wwwroot') . $url;
    if (isset($data->requestpublic) && $data->requestpublic === 'author' && $data->owner) {
        $arg = $author ? display_name($USER, null, true) : $data->authorname;
        $moderatemsg = (object) array('subject' => false, 'message' => false, 'strings' => (object) array('subject' => (object) array('key' => 'makepublicrequestsubject', 'section' => 'artefact.comment', 'args' => array()), 'message' => (object) array('key' => 'makepublicrequestbyauthormessage', 'section' => 'artefact.comment', 'args' => array(hsc($arg))), 'urltext' => (object) array('key' => 'Comment', 'section' => 'artefact.comment')), 'users' => array($data->owner), 'url' => $url);
    }
    if (!empty($values['attachments']) && is_array($values['attachments']) && !empty($data->author)) {
        require_once get_config('libroot') . 'uploadmanager.php';
        safe_require('artefact', 'file');
        $ownerlang = empty($data->owner) ? get_config('lang') : get_user_language($data->owner);
        $folderid = ArtefactTypeFolder::get_folder_id(get_string_from_language($ownerlang, 'feedbackattachdirname', 'artefact.comment'), get_string_from_language($ownerlang, 'feedbackattachdirdesc', 'artefact.comment'), null, true, $data->owner, $data->group, $data->institution);
        $attachment = (object) array('owner' => $data->owner, 'group' => $data->group, 'institution' => $data->institution, 'author' => $data->author, 'allowcomments' => 0, 'parent' => $folderid, 'description' => get_string_from_language($ownerlang, 'feedbackonviewbyuser', 'artefact.comment', $view->get('title'), display_name($USER)));
        foreach ($values['attachments'] as $filesindex) {
            $originalname = $_FILES[$filesindex]['name'];
            $attachment->title = ArtefactTypeFileBase::get_new_file_title($originalname, $folderid, $data->owner, $data->group, $data->institution);
            try {
                $fileid = ArtefactTypeFile::save_uploaded_file($filesindex, $attachment);
            } catch (QuotaExceededException $e) {
                if ($data->owner == $USER->get('id')) {
                    $form->reply(PIEFORM_ERR, array('message' => $e->getMessage()));
                }
                redirect($goto);
            } catch (UploadException $e) {
                $form->reply(PIEFORM_ERR, array('message' => $e->getMessage()));
                redirect($goto);
            }
            $comment->attach($fileid);
        }
    }
    require_once 'activity.php';
    $data = (object) array('commentid' => $comment->get('id'), 'viewid' => $view->get('id'));
    // We want to add the user placing the comment to the watchlist so they
    // can get notified about future comments to the page.
    // @TODO Add a site/institution preference to override this.
    $updatelink = false;
    if (!get_field('usr_watchlist_view', 'ctime', 'usr', $author, 'view', $view->get('id')) && $author != $owner) {
        insert_record('usr_watchlist_view', (object) array('usr' => $author, 'view' => $view->get('id'), 'ctime' => db_format_timestamp(time())));
        $updatelink = $artefact ? get_string('removefromwatchlistartefact', 'view', $view->get('title')) : get_string('removefromwatchlist', 'view');
    }
    activity_occurred('feedback', $data, 'artefact', 'comment');
    if (isset($moderatemsg)) {
        activity_occurred('maharamessage', $moderatemsg);
    }
    db_commit();
    $commentoptions = ArtefactTypeComment::get_comment_options();
    $commentoptions->showcomment = $comment->get('id');
    $commentoptions->view = $view;
    $commentoptions->artefact = $artefact;
    $newlist = ArtefactTypeComment::get_comments($commentoptions);
    $newlist->updatelink = $updatelink;
    // If you're anonymous and your message is moderated or private, then you won't
    // be able to tell what happened to it. So we'll provide some more explanation in
    // the feedback message.
    if ($anonymous && $moderated) {
        $message = get_string('feedbacksubmittedmoderatedanon', 'artefact.comment');
    } else {
        if ($anonymous && $private) {
            $message = get_string('feedbacksubmittedprivateanon', 'artefact.comment');
        } else {
            $message = get_string('feedbacksubmitted', 'artefact.comment');
        }
    }
    $form->reply(PIEFORM_OK, array('message' => $message, 'goto' => $goto, 'data' => $newlist));
}