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<?php |
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/** |
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* @package midcom.services.rcs |
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* @author CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @copyright CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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*/ |
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use Symfony\Component\HttpFoundation\Request; |
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use midcom\datamanager\schemabuilder; |
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use midcom\datamanager\datamanager; |
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use Symfony\Component\HttpFoundation\Response; |
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/** |
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* @package midcom.services.rcs |
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*/ |
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abstract class midcom_services_rcs_handler extends midcom_baseclasses_components_handler |
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{ |
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/** |
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* @var midcom_services_rcs_backend |
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*/ |
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private $backend; |
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/** |
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* @var midcom_core_dbaobject |
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*/ |
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protected $object; |
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protected $style_prefix = ''; |
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protected $url_prefix = ''; |
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abstract protected function get_object_url() : string; |
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abstract protected function reply(string $element) : Response; |
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abstract protected function get_breadcrumbs() : array; |
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protected function resolve_object_title() |
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{ |
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return midcom_helper_reflector::get($this->object)->get_object_label($this->object); |
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} |
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/** |
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* Load the object and the rcs backend |
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*/ |
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private function load_object(string $guid) |
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{ |
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$this->object = midcom::get()->dbfactory->get_object_by_guid($guid); |
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if ( !midcom::get()->config->get('midcom_services_rcs_enable') |
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|| !$this->object->_use_rcs) { |
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throw new midcom_error_notfound("Revision control not supported for " . get_class($this->object) . "."); |
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} |
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$this->backend = midcom::get()->rcs->load_backend($this->object); |
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} |
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/** |
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* Prepare version control toolbar |
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*/ |
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private function rcs_toolbar(array $revision, array $revision2 = null) |
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{ |
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$this->add_stylesheet(MIDCOM_STATIC_URL . "/midcom.services.rcs/rcs.css"); |
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$prefix = midcom_core_context::get()->get_key(MIDCOM_CONTEXT_ANCHORPREFIX) . $this->url_prefix; |
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$history = $this->backend->get_history(); |
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$this->_request_data['rcs_toolbar'] = new midcom_helper_toolbar(); |
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$this->populate_rcs_toolbar($history, $prefix, $revision, $revision2); |
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// RCS functional toolbar |
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$this->_request_data['rcs_toolbar_2'] = new midcom_helper_toolbar(); |
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$restore = $revision2 ?: $revision; |
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$buttons = [ |
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[ |
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MIDCOM_TOOLBAR_URL => "{$prefix}{$this->object->guid}/", |
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MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('show history'), |
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MIDCOM_TOOLBAR_GLYPHICON => 'history', |
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], [ |
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MIDCOM_TOOLBAR_URL => "{$prefix}restore/{$this->object->guid}/{$restore['revision']}/", |
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MIDCOM_TOOLBAR_LABEL => sprintf($this->_l10n->get('restore version %s'), $restore['version']), |
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MIDCOM_TOOLBAR_GLYPHICON => 'recycle', |
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MIDCOM_TOOLBAR_ENABLED => ($restore['revision'] !== $history->get_last()['revision']), |
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] |
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]; |
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$this->_request_data['rcs_toolbar_2']->add_items($buttons); |
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} |
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private function populate_rcs_toolbar(midcom_services_rcs_history $history, string $prefix, array $revision, ?array $revision2) |
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{ |
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$first = $history->get_first(); |
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$last = $history->get_last(); |
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$diff_view = !empty($revision2); |
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$revision2 = $revision2 ?? $revision; |
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if ($previous = $history->get_previous($revision['revision'])) { |
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$enabled = true; |
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} else { |
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$enabled = false; |
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$previous = $first; |
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} |
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$this->add_preview_button($prefix, $first, 'fast-backward', $enabled || $diff_view); |
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$this->add_preview_button($prefix, $diff_view ? $revision : $previous, 'backward', $enabled || $diff_view); |
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$this->add_diff_button($prefix, $previous, $revision, 'step-backward', $enabled); |
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$this->_request_data['rcs_toolbar']->add_item([ |
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MIDCOM_TOOLBAR_URL => "{$prefix}preview/{$this->object->guid}/{$revision2['revision']}/", |
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MIDCOM_TOOLBAR_LABEL => sprintf($this->_l10n->get('version %s'), $revision2['version']), |
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MIDCOM_TOOLBAR_GLYPHICON => 'file-o', |
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MIDCOM_TOOLBAR_ENABLED => $diff_view, |
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]); |
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if ($next = $history->get_next($revision2['revision'])) { |
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$enabled = true; |
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} else { |
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$enabled = false; |
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$next = $last; |
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} |
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$this->add_diff_button($prefix, $revision2, $next, 'step-forward', $enabled); |
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$this->add_preview_button($prefix, $next, 'forward', $enabled || $diff_view); |
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$this->add_preview_button($prefix, $last, 'fast-forward', $enabled || $diff_view); |
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} |
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private function add_preview_button(string $prefix, array $entry, string $icon, bool $enabled) |
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{ |
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$this->_request_data['rcs_toolbar']->add_item([ |
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MIDCOM_TOOLBAR_URL => "{$prefix}preview/{$this->object->guid}/{$entry['revision']}/", |
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MIDCOM_TOOLBAR_LABEL => $entry['version'], |
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MIDCOM_TOOLBAR_GLYPHICON => $icon, |
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MIDCOM_TOOLBAR_ENABLED => $enabled, |
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]); |
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} |
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private function add_diff_button(string $prefix, array $first, array $second, string $icon, bool $enabled) |
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{ |
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$this->_request_data['rcs_toolbar']->add_item([ |
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MIDCOM_TOOLBAR_URL => "{$prefix}diff/{$this->object->guid}/{$first['revision']}/{$second['revision']}/", |
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MIDCOM_TOOLBAR_LABEL => $this->_l10n->get('show differences'), |
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MIDCOM_TOOLBAR_GLYPHICON => $icon, |
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MIDCOM_TOOLBAR_ENABLED => $enabled, |
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]); |
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} |
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private function prepare_request_data(string $view_title) |
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{ |
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foreach ($this->get_breadcrumbs() as $item) { |
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$this->add_breadcrumb($item[MIDCOM_NAV_URL], $item[MIDCOM_NAV_NAME]); |
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} |
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$this->add_breadcrumb($this->url_prefix . "{$this->object->guid}/", $this->_l10n->get('show history')); |
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$this->_request_data['handler'] = $this; |
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$this->_request_data['view_title'] = $view_title; |
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midcom::get()->head->set_pagetitle($view_title); |
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} |
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public function translate(string $string) : string |
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{ |
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$stack = [$this->_component, 'midcom']; |
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if ($component = midcom::get()->dbclassloader->get_component_for_class($this->object->__midcom_class_name__)) { |
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array_unshift($stack, $component); |
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} |
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foreach ($stack as $db) { |
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$translated = $this->_i18n->get_string($string, $db); |
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if ($translated != $string) { |
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return $translated; |
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} |
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} |
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return $string; |
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} |
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/** |
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* Show the changes done to the object |
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*/ |
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public function _handler_history(Request $request, array &$data, array $args) |
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{ |
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// Check if the comparison request is valid |
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$first = $request->query->get('first'); |
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$last = $request->query->get('last'); |
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if ($first && $last && $first != $last) { |
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return new midcom_response_relocate($this->url_prefix . "diff/{$args[0]}/{$first}/{$last}/"); |
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} |
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$this->load_object($args[0]); |
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$view_title = sprintf($this->_l10n->get('revision history of %s'), $this->resolve_object_title()); |
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$this->prepare_request_data($view_title); |
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$data['history'] = $this->backend->get_history(); |
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$data['guid'] = $this->object->guid; |
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return $this->reply($this->style_prefix . 'history'); |
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} |
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/** |
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* Show a diff between two versions |
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*/ |
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public function _handler_diff(array $args, array &$data) |
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{ |
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$this->load_object($args[0]); |
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$history = $this->backend->get_history(); |
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$compare_revision = $history->get($args[1]); |
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$latest_revision = $history->get($args[2]); |
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if (!$compare_revision || !$latest_revision) { |
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throw new midcom_error_notfound("One of the revisions {$args[1]} or {$args[2]} does not exist."); |
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} |
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$data['diff'] = array_filter($this->backend->get_diff($args[1], $args[2]), function($value, $key) { |
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return array_key_exists('diff', $value) |
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&& !is_array($value['diff']) |
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&& midcom_services_rcs::is_field_showable($key); |
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}, ARRAY_FILTER_USE_BOTH); |
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$data['comment'] = $latest_revision; |
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$data['revision_info1'] = $this->render_revision_info($compare_revision); |
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$data['revision_info2'] = $this->render_revision_info($latest_revision); |
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// Set the version numbers |
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$data['guid'] = $args[0]; |
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$view_title = sprintf($this->_l10n->get('changes between revisions %s and %s'), $compare_revision['version'], $latest_revision['version']); |
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// Load the toolbars |
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$this->rcs_toolbar($compare_revision, $latest_revision); |
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$this->prepare_request_data($view_title); |
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$this->add_breadcrumb( |
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$this->url_prefix . "diff/{$this->object->guid}/{$compare_revision['revision']}/{$latest_revision['revision']}/", |
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sprintf($this->_l10n->get('differences between %s and %s'), $compare_revision['version'], $latest_revision['version']) |
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); |
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return $this->reply($this->style_prefix . 'diff'); |
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} |
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private function render_revision_info(array $metadata) : string |
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{ |
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$output = sprintf($this->_l10n->get('version %s'), $metadata['version']) . ' <span>'; |
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if ($user = midcom::get()->auth->get_user($metadata['user'])) { |
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$output .= $user->get_storage()->name; |
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} else { |
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$output .= $this->_l10n_midcom->get('unknown user'); |
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} |
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$output .= ', ' . $this->_l10n->get_formatter()->datetime($metadata['date']) . '</span>'; |
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return $output; |
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} |
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/** |
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* View previews |
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*/ |
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public function _handler_preview(array $args, array &$data) |
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{ |
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2 |
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$revision = $args[1]; |
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$data['latest_revision'] = $revision; |
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$data['guid'] = $args[0]; |
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2 |
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$this->load_object($args[0]); |
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2 |
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$metadata = $this->backend->get_history()->get($args[1]); |
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2 |
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if (!$metadata) { |
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throw new midcom_error_notfound("Revision {$args[1]} does not exist."); |
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} |
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$data['preview'] = array_filter($this->backend->get_revision($revision), function ($value, $key) { |
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return !is_array($value) |
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&& !in_array($value, ['', '0000-00-00']) |
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&& midcom_services_rcs::is_field_showable($key); |
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}, ARRAY_FILTER_USE_BOTH); |
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$schemadb = (new schemabuilder($this->object))->create(null); |
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2 |
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$data['datamanager'] = (new datamanager($schemadb)) |
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->set_defaults($data['preview']) |
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->set_storage(new $this->object->__midcom_class_name__); |
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2 |
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$this->_view_toolbar->hide_item($this->url_prefix . "preview/{$this->object->guid}/{$revision}/"); |
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$view_title = sprintf($this->_l10n->get('viewing version %s from %s'), $metadata['version'], $this->_l10n->get_formatter()->datetime($metadata['date'])); |
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// Load the toolbars |
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2 |
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$this->rcs_toolbar($metadata); |
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2 |
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$this->prepare_request_data($view_title); |
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return $this->reply($this->style_prefix . 'preview'); |
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} |
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/** |
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282
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|
|
* Restore to diff |
|
283
|
|
|
*/ |
|
284
|
|
|
public function _handler_restore(array $args) |
|
285
|
|
|
{ |
|
286
|
|
|
$this->load_object($args[0]); |
|
287
|
|
|
|
|
288
|
|
|
$this->object->require_do('midgard:update'); |
|
289
|
|
|
// TODO: set another privilege for restoring? |
|
290
|
|
|
|
|
291
|
|
|
if ( $this->backend->get_history()->version_exists($args[1]) |
|
292
|
|
|
&& $this->backend->restore_to_revision($args[1])) { |
|
293
|
|
|
midcom::get()->uimessages->add($this->_l10n->get('midcom.admin.rcs'), sprintf($this->_l10n->get('restore to version %s successful'), $args[1])); |
|
294
|
|
|
return new midcom_response_relocate($this->get_object_url()); |
|
295
|
|
|
} |
|
296
|
|
|
throw new midcom_error(sprintf($this->_l10n->get('restore to version %s failed, reason %s'), $args[1], midcom_connection::get_error_string())); |
|
297
|
|
|
} |
|
298
|
|
|
} |
|
299
|
|
|
|
flack /
openpsa
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