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<?php |
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/** |
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* @package net.nehmer.comments |
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* @author The Midgard Project, http://www.midgard-project.org |
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* @copyright The Midgard Project, http://www.midgard-project.org |
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* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License |
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*/ |
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use midcom\datamanager\schemadb; |
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use midcom\datamanager\datamanager; |
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use midcom\datamanager\controller; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* Comments view handler. |
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* |
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* This handler is a single handler which displays the thread for a given object GUID. |
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* It checks for various commands in the request during startup and processes them |
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* if applicable. It relocates to the same page to prevent duplicate request runs. |
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* |
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* @package net.nehmer.comments |
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*/ |
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class net_nehmer_comments_handler_view extends midcom_baseclasses_components_handler |
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{ |
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use net_nehmer_comments_handler; |
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private ?schemadb $_schemadb = null; |
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/** |
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* @var net_nehmer_comments_comment[] |
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*/ |
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private array $_comments = []; |
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private net_nehmer_comments_comment $_new_comment; |
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private string $_objectguid; |
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private controller $_post_controller; |
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private datamanager $_display_datamanager; |
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/** |
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* Prepares the request data |
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*/ |
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private function _prepare_request_data() |
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{ |
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$this->_request_data['objectguid'] = $this->_objectguid; |
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$this->_request_data['post_controller'] = $this->_post_controller; |
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} |
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/** |
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* Prepares the _display_datamanager member. |
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*/ |
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private function _init_display_datamanager() |
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{ |
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$this->_load_schemadb(); |
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$this->_display_datamanager = new datamanager($this->_schemadb); |
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$this->_request_data['display_datamanager'] = $this->_display_datamanager; |
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} |
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/** |
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* Loads the schemadb (unless it has already been loaded). |
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*/ |
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private function _load_schemadb() |
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{ |
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if (!$this->_schemadb) { |
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$this->_schemadb = schemadb::from_path($this->_config->get('schemadb')); |
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if ( $this->_config->get('use_captcha') |
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|| ( !midcom::get()->auth->user |
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&& $this->_config->get('use_captcha_if_anonymous'))) { |
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$fields = $this->_schemadb->get('comment')->get('fields'); |
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$fields['captcha'] = [ |
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'title' => $this->_l10n_midcom->get('captcha field title'), |
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'storage' => null, |
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'type' => 'captcha', |
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'widget' => 'captcha', |
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'widget_config' => $this->_config->get_array('captcha_config'), |
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]; |
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$this->_schemadb->get('comment')->set('fields', $fields); |
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} |
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if ( $this->_config->get('ratings_enable') |
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&& $this->_schemadb->get('comment')->has_field('rating')) { |
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$this->_schemadb->get('comment')->get_field('rating')['hidden'] = false; |
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} |
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} |
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} |
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/** |
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* Initializes a DM for posting. |
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*/ |
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private function _init_post_controller(Request $request) |
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{ |
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$this->_load_schemadb(); |
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$defaults = []; |
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if (midcom::get()->auth->user) { |
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$defaults['author'] = midcom::get()->auth->user->name; |
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} |
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$this->_new_comment = new net_nehmer_comments_comment(); |
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$this->_new_comment->objectguid = $this->_objectguid; |
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$this->_new_comment->ip = $request->getClientIp(); |
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if (midcom::get()->auth->user) { |
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$this->_new_comment->status = net_nehmer_comments_comment::NEW_USER; |
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$this->_new_comment->author = midcom::get()->auth->user->name; |
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} else { |
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$this->_new_comment->status = net_nehmer_comments_comment::NEW_ANONYMOUS; |
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} |
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if ($this->_config->get('enable_notify')) { |
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$this->_new_comment->_send_notification = true; |
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} |
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$dm = new datamanager($this->_schemadb); |
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$this->_post_controller = $dm |
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->set_defaults($defaults) |
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->set_storage($this->_new_comment) |
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->get_controller(); |
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} |
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/** |
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* Loads the comments, does any processing according to the state of the GET list. |
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* On successful processing we relocate once to ourself. |
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*/ |
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public function _handler_comments(Request $request, string $handler_id, array &$data, string $guid, string $view = null) |
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{ |
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$this->_objectguid = $guid; |
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midcom::get()->cache->content->register($this->_objectguid); |
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if ($handler_id == 'view-comments-nonempty') { |
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$this->_comments = net_nehmer_comments_comment::list_by_objectguid_filter_anonymous( |
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$this->_objectguid, |
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$this->_config->get('items_to_show'), |
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$this->_config->get('item_ordering'), |
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$this->_config->get('paging') |
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); |
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} else { |
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$this->_comments = net_nehmer_comments_comment::list_by_objectguid( |
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$this->_objectguid, |
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$this->_config->get('items_to_show'), |
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$this->_config->get('item_ordering'), |
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$this->_config->get('paging') |
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); |
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} |
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if ($this->_config->get('paging') !== false) { |
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$data['qb_pager'] = $this->_comments; |
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$this->_comments = $this->_comments->execute(); |
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} |
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if ( midcom::get()->auth->user |
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|| $this->_config->get('allow_anonymous')) { |
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$this->_init_post_controller($request); |
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if ($response = $this->_process_post($request)) { |
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return $response; |
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} |
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} |
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if ($this->_comments) { |
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$this->_init_display_datamanager(); |
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} |
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if ($handler_id == 'view-comments-custom') { |
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midcom::get()->skip_page_style = true; |
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$data['custom_view'] = $view; |
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} |
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$this->_prepare_request_data(); |
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midcom::get()->metadata->set_request_metadata($this->_get_last_modified(), $this->_objectguid); |
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if ($request->isXmlHttpRequest()) { |
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midcom::get()->skip_page_style = true; |
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} |
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} |
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/** |
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* Checks if a new post has been submitted. |
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*/ |
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private function _process_post(Request $request) |
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{ |
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if ( !midcom::get()->auth->user |
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&& !midcom::get()->auth->request_sudo('net.nehmer.comments')) { |
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throw new midcom_error('We were anonymous but could not acquire SUDO privileges, aborting'); |
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} |
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switch ($this->_post_controller->handle($request)) { |
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case 'save': |
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// Check against comment spam |
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if ($this->_config->get('enable_spam_check')) { |
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net_nehmer_comments_spamchecker::check($this->_new_comment); |
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} |
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$formdata = $this->_post_controller->get_form_values(); |
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if ( $formdata['subscribe'] |
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&& midcom::get()->auth->user) { |
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// User wants to subscribe to receive notifications about this comments thread |
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// Get the object we're commenting |
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$parent = midcom::get()->dbfactory->get_object_by_guid($this->_objectguid); |
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// Sudo so we can update the parent object |
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if (midcom::get()->auth->request_sudo($this->_component)) { |
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// Save the subscription |
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$parent->set_parameter('net.nehmer.comments:subscription', midcom::get()->auth->user->guid, time()); |
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// Return back from the sudo state |
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midcom::get()->auth->drop_sudo(); |
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} |
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} |
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midcom::get()->cache->invalidate($this->_objectguid); |
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// Fall-through intentional |
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case 'cancel': |
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if (!midcom::get()->auth->user) { |
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midcom::get()->auth->drop_sudo(); |
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} |
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return new midcom_response_relocate($request->getRequestUri()); |
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} |
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} |
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/** |
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* Determines the last modified timestamp. It is the max out of all revised timestamps |
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* of the comments (or 0 in case nothing was found). |
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*/ |
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private function _get_last_modified() : int |
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{ |
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return array_reduce($this->_comments, function ($carry, net_nehmer_comments_comment $item) { |
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return max($item->metadata->revised, $carry); |
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}, 0); |
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} |
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/** |
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* Display the comment list and the submit-comment form. |
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*/ |
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public function _show_comments(string $handler_id, array &$data) |
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{ |
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midcom_show_style('comments-header'); |
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if ($this->_comments) { |
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midcom_show_style('comments-start'); |
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foreach ($this->_comments as $comment) { |
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$this->_display_datamanager->set_storage($comment); |
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$data['comment'] = $comment; |
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$data['comment_toolbar'] = $this->populate_post_toolbar($comment); |
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midcom_show_style('comments-item'); |
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if ( midcom::get()->auth->admin |
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|| ( midcom::get()->auth->user |
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&& $comment->can_do('midgard:delete'))) { |
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midcom_show_style('comments-admintoolbar'); |
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} |
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} |
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midcom_show_style('comments-end'); |
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} else { |
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midcom_show_style('comments-nonefound'); |
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} |
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if ( midcom::get()->auth->user |
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|| $this->_config->get('allow_anonymous')) { |
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midcom_show_style('post-comment'); |
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} else { |
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midcom_show_style('post-denied'); |
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} |
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midcom_show_style('comments-footer'); |
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} |
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} |
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flack /
openpsa
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