/**
* Adds an article to the blog
*
* @param $user string
* the name of the user
* @param $title string
* the title of the article
* @param $keyword_string string
* a string containing the keywords separated with space
* @param $content string
* the content of the article in block code
*/
public function add_article($user, $title, $keyword_string, $content)
{
$time = time();
$user_id = AuthenticationService::get_current_user_id();
$query = "INSERT INTO `webinfo`.`article` (`id`, `title`, `author`, `creation_date`, `change_date`, `text`) ";
$query .= "VALUES (NULL, '{$title}', '{$user_id}', '{$time}', '{$time}', '{$content}')";
//insert article
$this->sql_con->query($query);
//get created id
$id = mysqli_insert_id($this->sql_con);
$this->updateKeywords($id, $keyword_string);
}
