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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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/** |
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* Comments component. |
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* |
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* This is a component geared for communities offering a way to add comments on arbitrary |
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* pages. It is primarily geared for dl'ed usage. Its regular welcome URL method only |
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* shows the configuration interface, commenting the comments topic is prohibited as well. |
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* |
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* The component stores the data in its own table, indexed by the object guid they are |
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* bound to. There is no threading support, comments are ordered by creation date. |
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* |
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* Commenting is currently only allowed for registered users for security reasons. |
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* The user's name and E-Mail will be stored along with the created information in the |
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* Metadata in case that the user gets deleted. |
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* |
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* <b>Install instructions</b> |
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* |
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* Just create a topic with this component assigned to it. I recommend dropping it out of |
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* your navigation, as the component will by dynamically_loaded always, and the topic |
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* itself is only there for configuration purposes. |
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* |
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* In your component (or style), add a DL line like this wherever you want the comment |
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* feature available: |
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* |
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* midcom::get()->dynamic_load('/$path_to_comments_topic/comment/$guid'); |
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* |
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* $guid is the GUID of the object you're commenting. |
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* |
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* @todo Approval |
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* |
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* @package net.nehmer.comments |
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*/ |
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class net_nehmer_comments_interface extends midcom_baseclasses_components_interface |
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{ |
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/** |
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* Try to find a comments node (cache results) |
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*/ |
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public static function get_node(midcom_db_topic $topic, $node_id) : ?array |
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{ |
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if ($node_id) { |
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try { |
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$comments_topic = new midcom_db_topic($node_id); |
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} catch (midcom_error $e) { |
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return null; |
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} |
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// We got a topic. Make it a NAP node |
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$nap = new midcom_helper_nav(); |
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return $nap->get_node($comments_topic->id); |
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} |
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// No comments topic specified, autoprobe |
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$node = midcom_helper_misc::find_node_by_component('net.nehmer.comments'); |
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// Cache the data |
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if (midcom::get()->auth->request_sudo($topic->component)) { |
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$topic->set_parameter($topic->component, 'comments_topic', $node[MIDCOM_NAV_GUID]); |
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midcom::get()->auth->drop_sudo(); |
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} |
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return $node; |
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} |
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/** |
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* The delete handler will drop all entries associated with any deleted object |
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* so that our DB is clean. |
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* |
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* Uses SUDO to ensure privileges. |
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*/ |
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184 |
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public function _on_watched_dba_delete(midcom_core_dbaobject $object) |
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{ |
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184 |
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$sudo = midcom::get()->auth->request_sudo($this->_component); |
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$result = net_nehmer_comments_comment::list_by_objectguid($object->guid); |
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foreach ($result as $comment) { |
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$comment->delete(); |
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} |
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if ($sudo) { |
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184 |
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midcom::get()->auth->drop_sudo(); |
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} |
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} |
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} |
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flack /
openpsa
