allejo / bzion

     *

     * @return bool|null True if both the player was added to the team AND the team member count was incremented

     */

    public function addMember($id)

    {

        $player = Player::get($id);

        if (!$player->isTeamless()) {

            throw new Exception("The player already belongs in a team");

        }

        $player->setTeam($this->getId());

        $this->update('members', ++$this->members);

    }

    /**

     * Increase or decrease the ELO of the team

     * @param  int  $id The id of the player to remove

     * @return void

     */

    public function removeMember($id)

    {

        if (!$this->isMember($id)) {

            throw new Exception("The player is not a member of that team");

        }

        $player = Player::get($id);

        $player->update("team", null);

        $this->update('members', --$this->members);

    }

    /**

     * Update the description of the team