<?php

class Answers {

    private $_dbAdapter;
    private $_table;

    public function __construct() {
        $this->_dbAdapter = new MySQL();
        $this->_table = TABLE_PREFIX . 'answers';
    }

    public function addAnswer($questionID, $answer, $isTrue) {
        $insert = $this->_dbAdapter->runQuery('INSERT INTO ' . $this->_table . '
		(question_id,answer,is_true)
		VALUES ("' . $questionID . '", "' . $answer . '", "' . $isTrue . '")');

        return $this->_dbAdapter->getLastInsertedID();
    }

    public function getAnswer($whereClause = '') {
        if ($whereClause != '') {
            $select = $this->_dbAdapter->runQuery('SELECT * FROM ' . $this->_table . '
                WHERE ' . $whereClause);
        }

        if ($this->_dbAdapter->countRows($select) > 0) {
            return $this->_dbAdapter->fetchRows($select);
        }
    }

}