<?php
class User_model extends CI_Model{
public function register($enc_password){
$data = array(
'email'=> $this->input->post('email'),
'username'=> $this->input->post('username'),
'password'=> $enc_password
);

return $this->db->insert('users', $data);

    }

    public function login($username,$password){
    $this->db->where('username',$username);
    $this->db->where('password',$password);

    $result = $this->db->get('users');
    if($result->num_rows()==1){
        return $result->row(0)->id;
    }
    else{
        return false;
    }
    }

public function check_username_exists($username){
    $query = $this->db->get_where('users',array('username'=>$username));
    if(empty($query->row_array())){
        return true;
    }
else{
    return false;
}
}

public function check_email_exists($email){
    $query = $this->db->get_where('users',array('email'=>$email));
    if(empty($query->row_array())){
        return true;
    }
else{
    return false;
}
}

}

?>