Collaboration diagram for ilFileVersionsGUI:

Public Member Functions
	__construct (ilObjFile $file)
	ilFileVersionsGUI constructor. More...

	executeCommand ()

	getFile ()

Data Fields
const	CMD_DEFAULT = 'index'

const	CMD_DELETE_VERSIONS = "deleteVersions"

const	CMD_ROLLBACK_VERSION = "rollbackVersion"

const	CMD_DOWNLOAD_VERSION = "sendFile"

const	HIST_ID = 'hist_id'

const	CMD_CANCEL_DELETE = "cancelDeleteFile"

const	CMD_CONFIRMED_DELETE_FILE = "confirmDeleteFile"

const	CMD_CONFIRMED_DELETE_VERSIONS = 'confirmDeleteVersions'

const	CMD_ADD_NEW_VERSION = 'addNewVersion'

const	CMD_CREATE_NEW_VERSION = 'saveVersion'

const	CMD_ADD_REPLACING_VERSION = 'addReplacingVersion'

const	CMD_CREATE_REPLACING_VERSION = 'createReplacingVersion'

const	CMD_MIGRATE = 'migrate'

Protected Attributes
	$has_been_migrated = false

Private Member Functions
	index ()

	addVersion ($mode=ilFileVersionFormGUI::MODE_ADD)

	saveVersion ($mode=ilFileVersionFormGUI::MODE_ADD)

	downloadVersion ()

	deleteVersions ()

	rollbackVersion ()

	confirmDeleteVersions ()

	confirmDeleteFile ()

	migrate ()

	getVersionIdsFromRequest ()

	getVersionsToKeep (array $version_ids)

	hasPermission ($a_permission)
	bugfix mantis 26007: this function was created to ensure that the access check not only works for repository objects but for workspace objects too More...

Private Attributes
	$toolbar

	$access

	$wsp_access

	$ref_id

	$lng

	$http

	$tabs

	$ctrl

	$tpl

	$file

Detailed Description

Class ilFileVersionsGUI.

Author: Fabian Schmid fs@st.nosp@m.uder.nosp@m.-raim.nosp@m.ann..nosp@m.ch

Definition at line 10 of file class.ilFileVersionsGUI.php.

Constructor & Destructor Documentation

◆ __construct()

ilFileVersionsGUI::__construct ( ilObjFile $file )

ilFileVersionsGUI constructor.

Parameters

ilObjFile $file

Definition at line 74 of file class.ilFileVersionsGUI.php.

References $DIC, $file, ilObjFile\getResourceId(), and ILIAS\FileDelivery\http().

     {
         global $DIC;
         $this->file = $file;
         $this->ctrl = $DIC->ctrl();
         $this->tpl = $DIC->ui()->mainTemplate();
         $this->tabs = $DIC->tabs();
         $this->http = $DIC->http();
         $this->lng = $DIC->language();
         $this->ref_id = (int) $this->http->request()->getQueryParams()['ref_id'];
         $this->toolbar = $DIC->toolbar();
         $this->access = $DIC->access();
         $this->wsp_access = new ilWorkspaceAccessHandler();
         $this->has_been_migrated = !empty($file->getResourceId());
     }

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Member Function Documentation

◆ addVersion()

ilFileVersionsGUI::addVersion ( $mode = ilFileVersionFormGUI::MODE_ADD )

private

Parameters

int $mode

Definition at line 164 of file class.ilFileVersionsGUI.php.

Referenced by executeCommand().

     {
         if (!$this->has_been_migrated) {
             return;
         }
         $this->tabs->clearTargets();
         $this->tabs->setBackTarget($this->lng->txt('back'), $this->ctrl->getLinkTarget($this, self::CMD_DEFAULT));
 
         $form = new ilFileVersionFormGUI($this, $mode);
         $form->fillForm();
         $this->tpl->setContent($form->getHTML());
     }

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◆ confirmDeleteFile()

ilFileVersionsGUI::confirmDeleteFile ( )

private

Definition at line 310 of file class.ilFileVersionsGUI.php.

References $DIC.

Referenced by executeCommand().

     {
         if (!$this->has_been_migrated) {
             return;
         }
         global $DIC;
 
         $parent_id = $DIC->repositoryTree()->getParentId($this->ref_id);
 
         $ru = new ilRepUtilGUI($this);
         $ru->deleteObjects($parent_id, array($this->ref_id));
 
         // redirect to parent object
         $this->ctrl->setParameterByClass(ilRepositoryGUI::class, "ref_id", $parent_id);
         $this->ctrl->redirectByClass(ilRepositoryGUI::class);
     }

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◆ confirmDeleteVersions()

ilFileVersionsGUI::confirmDeleteVersions ( )

private

Definition at line 294 of file class.ilFileVersionsGUI.php.

References getVersionIdsFromRequest().

Referenced by executeCommand().

     {
         if (!$this->has_been_migrated) {
             return;
         }
         // delete versions after confirmation
         $versions_to_delete = $this->getVersionIdsFromRequest();
         if (is_array($versions_to_delete) && count($versions_to_delete) > 0) {
             $this->file->deleteVersions($versions_to_delete);
             ilUtil::sendSuccess($this->lng->txt("file_versions_deleted"), true);
         }
 
         $this->ctrl->setParameter($this, self::HIST_ID, "");
         $this->ctrl->redirect($this, self::CMD_DEFAULT);
     }

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◆ deleteVersions()

ilFileVersionsGUI::deleteVersions ( )

private

Definition at line 205 of file class.ilFileVersionsGUI.php.

References Vendor\Package\$a, Vendor\Package\$b, ilObject\_getIcon(), getVersionIdsFromRequest(), ilUtil\sendFailure(), and ilUtil\sendQuestion().

Referenced by executeCommand().

     {
         if (!$this->has_been_migrated) {
             return;
         }
 
         $version_ids = $this->getVersionIdsFromRequest();
         $existing_versions = $this->file->getVersions();
         $remaining_versions = array_udiff(
             $existing_versions,
             $version_ids,
             static function ($a, $b) {
                 if ($a instanceof ilObjFileVersion) {
                     $a = $a->getHistEntryId();
                 }
                 if ($b instanceof ilObjFileVersion) {
                     $b = $b->getHistEntryId();
                 }
                 return $a - $b;
             }
         );
 
         if (count($version_ids) < 1) {
             ilUtil::sendFailure($this->lng->txt("no_checkbox"), true);
             $this->ctrl->redirect($this, self::CMD_DEFAULT);
         } else {
             $conf_gui = new ilConfirmationGUI();
             $conf_gui->setFormAction($this->ctrl->getFormAction($this, self::CMD_DEFAULT));
             $conf_gui->setCancel($this->lng->txt("cancel"), self::CMD_DEFAULT);
 
             $icon = ilObject::_getIcon($this->file->getId(), "small", $this->file->getType());
             $alt = $this->lng->txt("icon") . " " . $this->lng->txt("obj_" . $this->file->getType());
 
             if (count($remaining_versions) < 1) {
                 // Ask
                 ilUtil::sendQuestion($this->lng->txt("file_confirm_delete_all_versions"));
 
                 $conf_gui->setConfirm($this->lng->txt("confirm"), self::CMD_CONFIRMED_DELETE_FILE);
                 $conf_gui->addItem(
                     "id[]",
                     $this->ref_id,
                     $this->file->getTitle(),
                     $icon,
                     $alt
                 );
             } else {
                 // Ask
                 ilUtil::sendQuestion($this->lng->txt("file_confirm_delete_versions"));
 
                 $conf_gui->setConfirm($this->lng->txt("confirm"), self::CMD_CONFIRMED_DELETE_VERSIONS);
 
                 foreach ($this->file->getVersions($version_ids) as $version) {
                     $a_text = $version['filename'] ?? $version->getFilename() ?? $this->file->getTitle();
                     $version_string = $version['hist_id'] ?? $version->getVersion();
                     $a_text .= " (v" . $version_string . ")";
                     $conf_gui->addItem(
                         "hist_id[]",
                         $version['hist_entry_id'],
                         $a_text,
                         $icon,
                         $alt
                     );
                 }
             }
 
             $this->tpl->setContent($conf_gui->getHTML());
         }
     }

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◆ downloadVersion()

ilFileVersionsGUI::downloadVersion ( )

private

Definition at line 196 of file class.ilFileVersionsGUI.php.

References $_GET, and Vendor\Package\$e.

Referenced by executeCommand().

     {
         $version = (int) $_GET[self::HIST_ID];
         $this->file->sendFile($version);
         try {
         } catch (FileNotFoundException $e) {
         }
     }

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◆ executeCommand()

ilFileVersionsGUI::executeCommand ( )

Definition at line 90 of file class.ilFileVersionsGUI.php.

References addVersion(), confirmDeleteFile(), confirmDeleteVersions(), deleteVersions(), downloadVersion(), hasPermission(), index(), migrate(), ilFileVersionFormGUI\MODE_ADD, ilFileVersionFormGUI\MODE_REPLACE, rollbackVersion(), saveVersion(), and ilUtil\sendFailure().

     {
         // bugfix mantis 26007: use new function hasPermission to ensure that the check also works for workspace files
         if (!$this->hasPermission('write')) {
             ilUtil::sendFailure($this->lng->txt('permission_denied'), true);
             $this->ctrl->returnToParent($this);
         }
         $cmd = $this->ctrl->getCmd(self::CMD_DEFAULT);
 
         switch ($cmd) {
             case self::CMD_DEFAULT:
                 $this->index();
                 break;
             case self::CMD_DOWNLOAD_VERSION:
                 $this->downloadVersion();
                 break;
             case self::CMD_DELETE_VERSIONS:
                 $this->deleteVersions();
                 break;
             case self::CMD_ROLLBACK_VERSION:
                 $this->rollbackVersion();
                 break;
             case self::CMD_ADD_NEW_VERSION:
                 $this->addVersion(ilFileVersionFormGUI::MODE_ADD);
                 break;
             case self::CMD_ADD_REPLACING_VERSION:
                 $this->addVersion(ilFileVersionFormGUI::MODE_REPLACE);
                 break;
             case self::CMD_CREATE_NEW_VERSION:
                 $this->saveVersion(ilFileVersionFormGUI::MODE_ADD);
             // no break
             case self::CMD_CREATE_REPLACING_VERSION:
                 $this->saveVersion(ilFileVersionFormGUI::MODE_REPLACE);
                 break;
             case self::CMD_CONFIRMED_DELETE_VERSIONS:
                 $this->confirmDeleteVersions();
                 break;
             case self::CMD_CONFIRMED_DELETE_FILE:
                 $this->confirmDeleteFile();
                 break;
             case self::CMD_MIGRATE:
                 $this->migrate();
                 break;
         }
     }

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◆ getFile()

ilFileVersionsGUI::getFile ( )

Returns: ilObjFile

Definition at line 342 of file class.ilFileVersionsGUI.php.

References $file.

Referenced by ilFileVersionsTableGUI\__construct(), and ilFileVersionFormGUI\__construct().

                               : ilObjFile
     {
         return $this->file;
     }

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◆ getVersionIdsFromRequest()

ilFileVersionsGUI::getVersionIdsFromRequest ( )

private

Returns: array

Definition at line 350 of file class.ilFileVersionsGUI.php.

References $i, and ILIAS\FileDelivery\http().

Referenced by confirmDeleteVersions(), deleteVersions(), and rollbackVersion().

                                                 : array
     {
         // get ids either from GET (if single item was clicked) or
         // from POST (if multiple items were selected)
         $request = $this->http->request();
 
         $version_ids = [];
         if (isset($request->getQueryParams()[self::HIST_ID])) {
             $version_ids = [$request->getQueryParams()[self::HIST_ID]];
         } elseif (isset($request->getParsedBody()[self::HIST_ID])) {
             $version_ids = (array) $request->getParsedBody()[self::HIST_ID];
         }
 
         array_walk($version_ids, static function (&$i) {
             $i = (int) $i;
         });
 
         return $version_ids;
     }

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◆ getVersionsToKeep()

ilFileVersionsGUI::getVersionsToKeep ( array $version_ids )

private

Parameters

array $version_ids

Returns: array

Definition at line 374 of file class.ilFileVersionsGUI.php.

                                                            : array
     {
         $versions_to_keep = $this->file->getVersions();
         array_udiff($versions_to_keep, $version_ids, static function ($v1, $v2) {
             if (is_array($v1) || $v1 instanceof ilObjFileVersion) {
                 $v1 = (int) $v1["hist_entry_id"];
             } else {
                 if (!is_numeric($v1)) {
                     $v1 = (int) $v1;
                 }
             }
 
             if (is_array($v2) || $v2 instanceof ilObjFileVersion) {
                 $v2 = (int) $v2["hist_entry_id"];
             } else {
                 if (!is_numeric($v2)) {
                     $v2 = (int) $v2;
                 }
             }
 
             return $v1 === $v2;
         });
 
         return $versions_to_keep;
     }

◆ hasPermission()

ilFileVersionsGUI::hasPermission ( $a_permission )

private

bugfix mantis 26007: this function was created to ensure that the access check not only works for repository objects but for workspace objects too

Parameters

string $a_permission

Returns: bool

Definition at line 407 of file class.ilFileVersionsGUI.php.

References $_GET.

Referenced by executeCommand().

     {
         // determine if the permission check concerns a workspace- or repository-object
         if (isset($_GET['wsp_id'])) {
             // permission-check concerning a workspace object
             if ($this->wsp_access->checkAccess($a_permission, "", $this->ref_id)) {
                 return true;
             }
         } else {
             // permission-check concerning a repository object
             if ($this->access->checkAccess($a_permission, '', $this->ref_id)) {
                 return true;
             }
         }
 
         return false;
     }

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◆ index()

ilFileVersionsGUI::index ( )

private

Definition at line 136 of file class.ilFileVersionsGUI.php.

References ilLinkButton\getInstance(), and ilUtil\sendInfo().

Referenced by executeCommand().

     {
         // Buttons
         if ($this->has_been_migrated) {
             $add_version = ilLinkButton::getInstance();
             $add_version->setCaption('file_new_version');
             $add_version->setUrl($this->ctrl->getLinkTarget($this, self::CMD_ADD_NEW_VERSION));
             $this->toolbar->addButtonInstance($add_version);
 
             $replace_version = ilLinkButton::getInstance();
             $replace_version->setCaption('replace_file');
             $replace_version->setUrl($this->ctrl->getLinkTarget($this, self::CMD_ADD_REPLACING_VERSION));
             $this->toolbar->addButtonInstance($replace_version);
         } else {
             $migrate = ilLinkButton::getInstance();
             $migrate->setCaption('migrate');
             $migrate->setUrl($this->ctrl->getLinkTarget($this, self::CMD_MIGRATE));
 //            $this->toolbar->addButtonInstance($migrate);
             ilUtil::sendInfo($this->lng->txt('not_yet_migrated'));
         }
 
         $table = new ilFileVersionsTableGUI($this, self::CMD_DEFAULT);
         $this->tpl->setContent($table->getHTML());
     }

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◆ migrate()

ilFileVersionsGUI::migrate ( )

private

Definition at line 327 of file class.ilFileVersionsGUI.php.

References $DIC, CLIENT_DATA_DIR, and ilFileObjectToStorageMigrationRunner\migrate().

Referenced by executeCommand().

                                : void
     {
         global $DIC;
         $migration = new ilFileObjectToStorageMigrationRunner(
             $DIC->fileSystem()->storage(),
             $DIC->database(),
             rtrim(CLIENT_DATA_DIR, "/") . '/ilFile/migration_log.csv'
         );
         $migration->migrate(new ilFileObjectToStorageDirectory($this->file->getId(), $this->file->getDirectory()));
         $this->ctrl->redirect($this, self::CMD_DEFAULT);
     }

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◆ rollbackVersion()

ilFileVersionsGUI::rollbackVersion ( )

private

Definition at line 274 of file class.ilFileVersionsGUI.php.

References getVersionIdsFromRequest(), and ilUtil\sendInfo().

Referenced by executeCommand().

     {
         if (!$this->has_been_migrated) {
             return;
         }
         $version_ids = $this->getVersionIdsFromRequest();
 
         // more than one entry selected?
         if (count($version_ids) != 1) {
             ilUtil::sendInfo($this->lng->txt("file_rollback_select_exact_one"), true);
             $this->ctrl->redirect($this, self::CMD_DEFAULT);
         }
 
         // rollback the version
         $new_version = $this->file->rollback($version_ids[0]);
 
         ilUtil::sendSuccess(sprintf($this->lng->txt("file_rollback_done"), $new_version["rollback_version"]), true);
         $this->ctrl->redirect($this, self::CMD_DEFAULT);
     }

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◆ saveVersion()

ilFileVersionsGUI::saveVersion ( $mode = ilFileVersionFormGUI::MODE_ADD )

private

Parameters

int $mode

Exceptions

Definition at line 182 of file class.ilFileVersionsGUI.php.

Referenced by executeCommand().

     {
         if (!$this->has_been_migrated) {
             return;
         }
         $form = new ilFileVersionFormGUI($this, $mode);
         if ($form->saveObject()) {
             ilUtil::sendSuccess($this->lng->txt('msg_obj_modified'), true);
             $this->ctrl->redirect($this, self::CMD_DEFAULT);
         }
         $form->setValuesByPost();
         $this->tpl->setContent($form->getHTML());
     }