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<?php |
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namespace litemerafrukt\Comments; |
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class Comments |
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{ |
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private $commentHandler; |
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private $rootView; |
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/** |
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* Construct |
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* |
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* @param $db - database objekt. See source for interface. |
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* @param $rootView - root view file for comments html rendering. See source for example. |
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*/ |
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public function __construct($commentHandler, $rootView = __DIR__.'/../../view/comments.php') |
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{ |
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$this->commentHandler = $commentHandler; |
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$this->rootView = $rootView; |
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} |
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/** |
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* Create a comment |
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* |
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* @param $postId |
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* @param $parentId - parent comment |
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* @param $authorId - author/user id |
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* @param $authorName - author/user name |
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* @param $text - comment text |
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* |
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* @return void |
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*/ |
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public function new($postId, $parentId, $authorId, $authorName, $text) |
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{ |
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if (\trim($text) === "") { |
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return; |
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} |
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$this->commentHandler->new($postId, $parentId, $authorId, $authorName, $text); |
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} |
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/** |
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* Update a comment |
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* |
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* @param $id - comment id |
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* @param $text - comment text |
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* @param $guard - function, comment only updates if guard returns true |
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* |
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* @return bool |
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*/ |
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public function update($id, $text, $guard) |
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{ |
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$comment = $this->commentHandler->fetch($id); |
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if (! $guard($comment)) { |
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return false; |
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} |
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$this->commentHandler->upsert($id, $text); |
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return true; |
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} |
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/** |
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* Delete all comments assosiated with a post. |
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* |
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* @param $postId |
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* |
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* @return void |
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*/ |
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public function deleteComments($postId) |
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{ |
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$this->commentHandler->deleteComments($postId); |
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} |
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/** |
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* Get comment html for a post. All comments and save/edit forms. |
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* |
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* @param $postId |
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* @param $user - true if there is user previlages. |
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* @param $admin - true if admin previleges. |
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* @param $username |
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* @param $userId |
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* |
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* @return string |
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*/ |
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public function getHtml($postId, $user = false, $admin = false, $username = "unknown", $userId = null) |
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{ |
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$commentGroups = $this->commentHandler->commentsForPost($postId); |
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return $this->render($this->rootView, \compact('commentGroups', 'user', 'admin', 'username', 'userId')); |
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} |
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/** |
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* Render view file with data. |
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* |
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* @param $file |
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* @param $data |
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* @return string |
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* @throws \Exception |
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*/ |
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private function render($file, $data) |
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{ |
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if (!file_exists($file)) { |
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throw new \Exception("View template not found: $file."); |
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} |
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ob_start(); |
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extract($data); |
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include $file; |
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$output = ob_get_clean(); |
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return $output; |
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} |
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} |
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litemerafrukt /
postcomments
