/**
  * Check if a participant can be found within the list.
  * 
  * @param \model\Participant $participant The needle to look for.
  * 
  * @return Boolean
  */
 public function contains(Participant $participant)
 {
     foreach ($this->portfolioOwners as $key => $owner) {
         if ($owner->getUnique() == $participant->getUnique() && $owner->getName() == $participant->getName()) {
             return true;
         }
     }
     return false;
 }
 public function add(Participant $participant)
 {
     $db = $this->connection();
     $sql = "INSERT INTO {$this->dbTable} (" . self::$key . ", " . self::$name . ") VALUES (?, ?)";
     $params = array($participant->getUnique(), $participant->getName());
     $query = $db->prepare($sql);
     $query->execute($params);
     foreach ($participant->getProjects()->toArray() as $project) {
         $sql = "INSERT INTO " . self::$projectTable . " (" . self::$key . ", " . self::$name . ", participantUnique) VALUES (?, ?, ?)";
         $query = $db->prepare($sql);
         $query->execute(array($project->getUnique(), $project->getName(), $participant->getUnique()));
     }
 }