PHP Versions::restore方法代码示例

    /**
     * Auto-generate a form to edit the current database record
     *
     * @param integer $intId
     * @param integer $ajaxId
     *
     * @return string
     */
    public function edit($intId = null, $ajaxId = null)
    {
        if ($GLOBALS['TL_DCA'][$this->strTable]['config']['notEditable']) {
            $this->log('Table "' . $this->strTable . '" is not editable', __METHOD__, TL_ERROR);
            $this->redirect('contao/main.php?act=error');
        }
        if ($intId != '') {
            $this->intId = $intId;
        }
        // Get the current record
        $objRow = $this->Database->prepare("SELECT * FROM " . $this->strTable . " WHERE id=?")->limit(1)->execute($this->intId);
        // Redirect if there is no record with the given ID
        if ($objRow->numRows < 1) {
            $this->log('Could not load record "' . $this->strTable . '.id=' . $this->intId . '"', __METHOD__, TL_ERROR);
            $this->redirect('contao/main.php?act=error');
        }
        $this->objActiveRecord = $objRow;
        $return = '';
        $this->values[] = $this->intId;
        $this->procedure[] = 'id=?';
        $this->blnCreateNewVersion = false;
        $objVersions = new \Versions($this->strTable, $this->intId);
        if (!$GLOBALS['TL_DCA'][$this->strTable]['config']['hideVersionMenu']) {
            // Compare versions
            if (\Input::get('versions')) {
                $objVersions->compare();
            }
            // Restore a version
            if (\Input::post('FORM_SUBMIT') == 'tl_version' && \Input::post('version') != '') {
                $objVersions->restore(\Input::post('version'));
                $this->reload();
            }
        }
        $objVersions->initialize();
        // Build an array from boxes and rows
        $this->strPalette = $this->getPalette();
        $boxes = trimsplit(';', $this->strPalette);
        $legends = array();
        if (!empty($boxes)) {
            foreach ($boxes as $k => $v) {
                $eCount = 1;
                $boxes[$k] = trimsplit(',', $v);
                foreach ($boxes[$k] as $kk => $vv) {
                    if (preg_match('/^\\[.*\\]$/', $vv)) {
                        ++$eCount;
                        continue;
                    }
                    if (preg_match('/^\\{.*\\}$/', $vv)) {
                        $legends[$k] = substr($vv, 1, -1);
                        unset($boxes[$k][$kk]);
                    } elseif ($GLOBALS['TL_DCA'][$this->strTable]['fields'][$vv]['exclude'] || !is_array($GLOBALS['TL_DCA'][$this->strTable]['fields'][$vv])) {
                        unset($boxes[$k][$kk]);
                    }
                }
                // Unset a box if it does not contain any fields
                if (count($boxes[$k]) < $eCount) {
                    unset($boxes[$k]);
                }
            }
            $class = 'tl_tbox';
            $fs = $this->Session->get('fieldset_states');
            $blnIsFirst = true;
            // Render boxes
            foreach ($boxes as $k => $v) {
                $strAjax = '';
                $blnAjax = false;
                $key = '';
                $cls = '';
                $legend = '';
                if (isset($legends[$k])) {
                    list($key, $cls) = explode(':', $legends[$k]);
                    $legend = "\n" . '<legend onclick="AjaxRequest.toggleFieldset(this,\'' . $key . '\',\'' . $this->strTable . '\')">' . (isset($GLOBALS['TL_LANG'][$this->strTable][$key]) ? $GLOBALS['TL_LANG'][$this->strTable][$key] : $key) . '</legend>';
                }
                if (isset($fs[$this->strTable][$key])) {
                    $class .= $fs[$this->strTable][$key] ? '' : ' collapsed';
                } else {
                    $class .= $cls && $legend ? ' ' . $cls : '';
                }
                $return .= "\n\n" . '<fieldset' . ($key ? ' id="pal_' . $key . '"' : '') . ' class="' . $class . ($legend ? '' : ' nolegend') . '">' . $legend;
                // Build rows of the current box
                foreach ($v as $vv) {
                    if ($vv == '[EOF]') {
                        if ($blnAjax && \Environment::get('isAjaxRequest')) {
                            return $strAjax . '<input type="hidden" name="FORM_FIELDS[]" value="' . specialchars($this->strPalette) . '">';
                        }
                        $blnAjax = false;
                        $return .= "\n" . '</div>';
                        continue;
                    }
                    if (preg_match('/^\\[.*\\]$/', $vv)) {
                        $thisId = 'sub_' . substr($vv, 1, -1);
                        $blnAjax = $ajaxId == $thisId && \Environment::get('isAjaxRequest') ? true : false;
//.........这里部分代码省略.........

 /**
  * Compare two versions of a Model object. Returns an array of properties
  * that have changed between the two versions, but does no comparison
  * of the changes themselves. Note that this looks at the data array
  * of the Model objects, not object properties, so it will not work
  * on ordinary objects, only Model-based objects and objects returned
  * by the `recent()` and `history()` methods.
  */
 public static function diff($obj1, $obj2)
 {
     if (get_class($obj1) === 'stdClass') {
         $v = new Versions();
         $obj1 = $v->restore($obj1);
     }
     if (get_class($obj2) === 'stdClass') {
         $v = new Versions();
         $obj2 = $v->restore($obj2);
     }
     // are there extended fields?
     $ext = is_subclass_of($obj2, 'ExtendedModel') ? $obj2->_extended_field : false;
     $changed = array();
     $obj1_orig = (array) $obj1->orig();
     $obj2_orig = (array) $obj2->orig();
     foreach ($obj1_orig as $key => $value) {
         if ($ext === $key) {
             // skip extended field
             continue;
         }
         if ($value !== $obj2_orig[$key]) {
             $changed[] = $key;
         }
     }
     return $changed;
 }

    /**
     * Load the source editor
     *
     * @return string
     */
    public function source()
    {
        $this->isValid($this->intId);
        if (is_dir(TL_ROOT . '/' . $this->intId)) {
            $this->log('Folder "' . $this->intId . '" cannot be edited', __METHOD__, TL_ERROR);
            $this->redirect('contao/main.php?act=error');
        } elseif (!file_exists(TL_ROOT . '/' . $this->intId)) {
            $this->log('File "' . $this->intId . '" does not exist', __METHOD__, TL_ERROR);
            $this->redirect('contao/main.php?act=error');
        }
        $this->import('BackendUser', 'User');
        // Check user permission
        if (!$this->User->hasAccess('f5', 'fop')) {
            $this->log('Not enough permissions to edit the file source of file "' . $this->intId . '"', __METHOD__, TL_ERROR);
            $this->redirect('contao/main.php?act=error');
        }
        $objFile = new \File($this->intId, true);
        // Check whether file type is editable
        if (!in_array($objFile->extension, trimsplit(',', strtolower(\Config::get('editableFiles'))))) {
            $this->log('File type "' . $objFile->extension . '" (' . $this->intId . ') is not allowed to be edited', __METHOD__, TL_ERROR);
            $this->redirect('contao/main.php?act=error');
        }
        $objMeta = null;
        $objVersions = null;
        // Add the versioning routines
        if ($this->blnIsDbAssisted && \Dbafs::shouldBeSynchronized($this->intId)) {
            $objMeta = \FilesModel::findByPath($objFile->value);
            if ($objMeta === null) {
                $objMeta = \Dbafs::addResource($objFile->value);
            }
            $objVersions = new \Versions($this->strTable, $objMeta->id);
            if (!$GLOBALS['TL_DCA'][$this->strTable]['config']['hideVersionMenu']) {
                // Compare versions
                if (\Input::get('versions')) {
                    $objVersions->compare();
                }
                // Restore a version
                if (\Input::post('FORM_SUBMIT') == 'tl_version' && \Input::post('version') != '') {
                    $objVersions->restore(\Input::post('version'));
                    // Purge the script cache (see #7005)
                    if ($objFile->extension == 'css' || $objFile->extension == 'scss' || $objFile->extension == 'less') {
                        $this->import('Automator');
                        $this->Automator->purgeScriptCache();
                    }
                    $this->reload();
                }
            }
            $objVersions->initialize();
        }
        $strContent = $objFile->getContent();
        if ($objFile->extension == 'svgz') {
            $strContent = gzdecode($strContent);
        }
        // Process the request
        if (\Input::post('FORM_SUBMIT') == 'tl_files') {
            // Restore the basic entities (see #7170)
            $strSource = \StringUtil::restoreBasicEntities(\Input::postRaw('source'));
            // Save the file
            if (md5($strContent) != md5($strSource)) {
                if ($objFile->extension == 'svgz') {
                    $strSource = gzencode($strSource);
                }
                // Write the file
                $objFile->write($strSource);
                $objFile->close();
                // Update the database
                if ($this->blnIsDbAssisted && $objMeta !== null) {
                    /** @var \FilesModel $objMeta */
                    $objMeta->hash = $objFile->hash;
                    $objMeta->save();
                    $objVersions->create();
                }
                // Purge the script cache (see #7005)
                if ($objFile->extension == 'css' || $objFile->extension == 'scss' || $objFile->extension == 'less') {
                    $this->import('Automator');
                    $this->Automator->purgeScriptCache();
                }
            }
            if (\Input::post('saveNclose')) {
                \System::setCookie('BE_PAGE_OFFSET', 0, 0);
                $this->redirect($this->getReferer());
            }
            $this->reload();
        }
        $codeEditor = '';
        // Prepare the code editor
        if (\Config::get('useCE')) {
            $selector = 'ctrl_source';
            $type = $objFile->extension;
            // Load the code editor configuration
            ob_start();
            include TL_ROOT . '/system/config/ace.php';
            $codeEditor = ob_get_contents();
            ob_end_clean();
            unset($selector, $type);
//.........这里部分代码省略.........

 * Restores a previous version of a Model object, replacing the
 * current version, and adding a new version to the history
 * as well.
 */
$page->layout = 'admin';
if (!User::require_admin()) {
    $this->redirect('/admin');
}
$ver = new Versions($_GET['id']);
$lock = new Lock($ver->class, $ver->pkey);
if ($lock->exists()) {
    $page->title = __('Editing Locked');
    echo $tpl->render('admin/locked', $lock->info());
    return;
} else {
    $lock->add();
}
$obj = $ver->restore();
$obj->put();
if ($obj->error) {
    $page->title = __('An Error Occurred');
    echo __('Error Message') . ': ' . $obj->error;
    return;
}
Versions::add($obj);
$this->add_notification(__('Item restored.'));
if ($ver->class == 'Webpage') {
    $cache->delete('_admin_page_' . $obj->id);
    $this->redirect('/' . $obj->id);
}
$this->redirect('/');

 /**
  * Compare two versions of a Model object. Returns an array of properties
  * that have changed between the two versions, but does no comparison
  * of the changes themselves. Note that this looks at the data array
  * of the Model objects, not object properties, so it will not work
  * on ordinary objects, only Model-based objects and objects returned
  * by the `recent()` and `history()` methods.
  */
 public static function diff($obj1, $obj2)
 {
     if (get_class($obj1) === 'stdClass') {
         $v = new Versions();
         $obj1 = $v->restore($obj1);
     }
     if (get_class($obj2) === 'stdClass') {
         $v = new Versions();
         $obj2 = $v->restore($obj2);
     }
     $changed = array();
     foreach ($obj1->data as $key => $value) {
         if ($value !== $obj2->data[$key]) {
             $changed[] = $key;
         }
     }
     return $changed;
 }

    Logger::error(i18n::s('You are not allowed to perform this operation.'));
    // not found
} elseif (!isset($item['id'])) {
    include '../error.php';
    // an anchor is mandatory
} elseif (!is_object($anchor)) {
    Safe::header('Status: 404 Not Found', TRUE, 404);
    Logger::error(i18n::s('No anchor has been found.'));
    // permission denied
} elseif (!$permitted) {
    // surfer has to be authenticated
    if (!Surfer::is_logged()) {
        Safe::redirect($context['url_to_home'] . $context['url_to_root'] . 'users/login.php?url=' . urlencode(Versions::get_url($item['id'], 'restore')));
    }
    // permission denied to authenticated user
    Safe::header('Status: 401 Unauthorized', TRUE, 401);
    Logger::error(i18n::s('You are not allowed to perform this operation.'));
    // restoration
} else {
    // update the database
    if (Versions::restore($item['id'])) {
        // provide some feed-back
        $context['text'] .= '<p>' . i18n::s('The page has been successfully restored.') . '</p>';
        // follow-up commands
        $context['text'] .= Skin::build_link($anchor->get_url(), i18n::s('Done'), 'button');
        // clear the cache; the article may be listed at many places
        Cache::clear();
    }
}
// render the skin
render_skin();

    /**
     * Auto-generate a form to edit the current database record
     * @param integer
     * @param integer
     * @return string
     */
    public function edit($intID = false, $ajaxId = false)
    {
        if ($GLOBALS['TL_DCA'][$this->strTable]['config']['notEditable']) {
            \System::log('Table ' . $this->strTable . ' is not editable', __METHOD__, TL_ERROR);
            \Controller::redirect('contao/main.php?act=error');
        }
        if ($intID) {
            $this->intId = $intID;
        }
        // Get the current record
        $objRow = \Database::getInstance()->prepare("SELECT * FROM {$this->strTable} WHERE id=?")->limit(1)->execute($this->intId);
        // Redirect if there is no record with the given ID
        if ($objRow->numRows < 1) {
            \System::log('Could not load record "' . $this->strTable . '.id=' . $this->intId . '"', __METHOD__, TL_ERROR);
            \Controller::redirect('contao/main.php?act=error');
        } elseif ($objRow->language != '') {
            \System::log('Cannot edit language record "' . $this->strTable . '.id=' . $this->intId . '"', __METHOD__, TL_ERROR);
            \Controller::redirect('contao/main.php?act=error');
        }
        $this->objActiveRecord = $objRow;
        $return = '';
        $this->values[] = $this->intId;
        $this->procedure[] = 'id=?';
        $this->blnCreateNewVersion = false;
        $objVersions = new \Versions($this->strTable, $this->intId);
        // Compare versions
        if (\Input::get('versions')) {
            $objVersions->compare();
        }
        // Restore a version
        if (\Input::post('FORM_SUBMIT') == 'tl_version' && \Input::post('version') != '') {
            $objVersions->restore(\Input::post('version'));
            $this->reload();
        }
        $objVersions->initialize();
        // Load and/or change language
        $this->blnEditLanguage = false;
        if (!empty($this->arrTranslations)) {
            $blnLanguageUpdated = false;
            $session = $this->Session->getData();
            if (\Input::post('FORM_SUBMIT') == 'tl_language') {
                if (in_array(\Input::post('language'), $this->arrTranslations)) {
                    $session['language'][$this->strTable][$this->intId] = \Input::post('language');
                } else {
                    unset($session['language'][$this->strTable][$this->intId]);
                }
                $blnLanguageUpdated = true;
            } elseif (\Input::post('FORM_SUBMIT') == $this->strTable && isset($_POST['deleteLanguage'])) {
                $this->Database->prepare("DELETE FROM {$this->strTable} WHERE pid=? AND language=?")->execute($this->intId, $session['language'][$this->strTable][$this->intId]);
                unset($session['language'][$this->strTable][$this->intId]);
                $blnLanguageUpdated = true;
            }
            if ($blnLanguageUpdated) {
                $this->Session->setData($session);
                $_SESSION['TL_INFO'] = '';
                \Controller::reload();
            }
            if ($_SESSION['BE_DATA']['language'][$this->strTable][$this->intId] != '' && in_array($_SESSION['BE_DATA']['language'][$this->strTable][$this->intId], $this->arrTranslations)) {
                $objRow = $this->Database->prepare("SELECT * FROM {$this->strTable} WHERE pid=? AND language=?")->execute($this->intId, $_SESSION['BE_DATA']['language'][$this->strTable][$this->intId]);
                if (!$objRow->numRows) {
                    $intId = $this->Database->prepare("INSERT INTO {$this->strTable} (pid,tstamp,language) VALUES (?,?,?)")->execute($this->intId, time(), $_SESSION['BE_DATA']['language'][$this->strTable][$this->intId])->insertId;
                    $objRow = $this->Database->prepare("SELECT * FROM {$this->strTable} WHERE id=?")->execute($intId);
                }
                $this->objActiveRecord = $objRow;
                $this->values = array($this->intId, $_SESSION['BE_DATA']['language'][$this->strTable][$this->intId]);
                $this->procedure = array('pid=?', 'language=?');
                $this->blnEditLanguage = true;
            }
        }
        // Build an array from boxes and rows
        $this->strPalette = $this->getPalette();
        $boxes = trimsplit(';', $this->strPalette);
        $legends = array();
        if (!empty($boxes)) {
            foreach ($boxes as $k => $v) {
                $eCount = 1;
                $boxes[$k] = trimsplit(',', $v);
                foreach ($boxes[$k] as $kk => $vv) {
                    if (preg_match('/^\\[.*\\]$/i', $vv)) {
                        ++$eCount;
                        continue;
                    }
                    if (preg_match('/^\\{.*\\}$/', $vv)) {
                        $legends[$k] = substr($vv, 1, -1);
                        unset($boxes[$k][$kk]);
                    } elseif ($GLOBALS['TL_DCA'][$this->strTable]['fields'][$vv]['exclude'] || !is_array($GLOBALS['TL_DCA'][$this->strTable]['fields'][$vv])) {
                        unset($boxes[$k][$kk]);
                    } elseif ($this->blnEditLanguage && !$GLOBALS['TL_DCA'][$this->strTable]['fields'][$vv]['attributes']['multilingual']) {
                        unset($boxes[$k][$kk]);
                    }
                }
                // Unset a box if it does not contain any fields
                if (count($boxes[$k]) < $eCount) {
                    unset($boxes[$k]);
//.........这里部分代码省略.........

<?php

/**
 * Compares a previous version of a Model object to the
 * current version, allowing you to restore the previous
 * version if desired.
 */
$page->layout = 'admin';
if (!User::require_admin()) {
    $this->redirect('/admin');
}
$ver = new Versions($_GET['id']);
$old = $ver->restore();
$class = $ver->class;
$cur = new $class($ver->pkey);
if ($cur->error) {
    // deleted item
    foreach (json_decode($ver->serialized) as $key => $value) {
        $cur->{$key} = $value;
    }
}
$diff = Versions::diff($old, $cur);
$data = array();
foreach ((array) $cur->orig() as $key => $value) {
    $data[$key] = array('cur' => $value, 'old' => $old->{$key}, 'diff' => in_array($key, $diff) ? true : false);
}
$page->title = i18n_get('Comparing') . ' ' . $ver->class . ' / ' . $ver->pkey;
echo $tpl->render('admin/compare', array('fields' => $data, 'class' => $ver->class, 'pkey' => $ver->pkey, 'ts' => $ver->ts));