<?php

class Application_Model_DbTable_Users extends Zend_Db_Table_Abstract
{
    protected $_name = 'users';
    private $id;
    private $username;
    private $password;
    private $created;
    private $modified;
    private $last_login;

    /**
     *
     * @param array $config calls the parent constructor
     */
    public function  __construct($config = array()) {
        $this->id = null;
        $this->username = null;
        $this->password = null;
        $this->created = null;
        $this->modified = null;
        $this->last_login = null;

        parent::__construct($config);
    }

    /**
     *
     * @return integer // Returns the id of the current object
     */
    public function getId() {
        return $this->id;
    }

    /**
     *
     * @return integer // Returns the username of the current object
     */
    public function getUsername() {
        return $this->username;
    }

    /**
     *
     * @return string // Returns the password of the current object
     */
    public function getPassword() {
        return $this->password;
    }

    /**
     *
     * @return string // Returns the created date of the current object
     */
    public function getCreated() {
        return $this->created;
    }

    /**
     *
     * @return string // Returns the modified date of the current object
     */
    public function getModified() {
        return $this->modified;
    }

    /**
     *
     * @return string // Returns the last login date of the current object
     */
    public function getLastLogin() {
        return $this->last_login;
    }

    /**
     *
     * @param string $username // Sets the username property
     * @return boolean
     */
    public function setUsername($username = null) {
        if($username != null && is_string($username)) {
            $this->username = $username;
            return true;
        }
        else
        {
            return false;
        }
    }

    public function setPassword($password = null) {
        // make sure we are not null, we are a string, and we meet sha1 hash string lenghts
        if($password != null && is_string($password) && strlen($password) == 40) {
            $this->password = $password;
            return true;
        }
        else
        {
            return false;
        }
    }

    public function setModified() {
        $this->modified = date('Y-m-d h:i:s');
    }

    public function setLastLogin() {
        $this->last_login = date('Y-m-d h:i:s');
    }

    /**
     *
     * @param integer $id
     * @return boolean // true on success, false on failure
     */
    public function load($id = null) {
        if($id != null && is_numeric($id))
        {
            // load in the data from the database
            $data = $this->find($id);
            // return a Zend_Db_Table_Rowset object
            if($data->count())
            {
                $data = $data->toArray();
                $this->id = $data['id'];
                $this->username = $data['username'];
                $this->password = $data['password'];
                $this->created = $data['created'];
                $this->modified = $data['modified'];
                $this->last_login = date('Y-m-d h:i:s');

                return true;
            }
            else
            {
                return false;
            }
        }
        else
        {
            return false;
        }
    }

    /**
     *
     * @return integer // represents the primary key of the new row in the database
     */
    public function saveUser()
    {
        $date = date('Y-m-d h:i:s'); // get the current date for created/modified values
        $data = array(); // we pass an array to $this->save()
        $data['username'] = $this->username; // get the username
        $data['password'] = $this->password; // get the password
        $this->created = $data['created'] = $date; // add the date
        $this->modified = $data['modified'] = $date; // add the date

        $this->id = $this->insert($data); // get the id of the newly inserted object
        return $this->id; // return the new id
    }

    /**
     *
     * @return integer // the number of rows updated
     */
    public function updateUser()
    {
        $date = date('Y-m-d h:i:s');
        $data = array();
        $data['username'] = $this->username;
        $data['password'] = $this->password;
        $data['modified'] = $date;
        $this->update($data, 'id = ' . $this->id); // call the parent
    }
}