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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter CRUD Model
*
* A basic and resulable CRUD model for working with databases in CodeIgniter
*
* @package CodeIgniter
* @subpackage Models
* @category Models
* @author Chris Kacerguis
* @license MIT
* @link https://github.com/chriskacerguis/ci-crud
* @version 1.0.0
*/
class CRUD_model extends CI_Model
{
/**
* @var string
*/
protected $table;
/**
* @var string
*/
protected $cols;
/**
* @var string
*/
protected $created;
/**
* @var string
*/
protected $db_key;
/**
* constructor
*/
public function __construct()
{
parent::__construct();
// We need the DB library, so I'll load it here, just in case
// it hasn't been loaded already.
$this->load->library('database');
$this->cols = $this->db->list_fields($this->table);
$this->created = $this->config->item('crud_db_created');
$this->db_key = $this->config->item('crud_db_key');
$this->db_encrypt = $this->config->item('crud_db_encrypted');
// Unset the colunms we don't want people to change
unset($this->cols[$this->config->item('crud_db_key')]);
unset($this->cols[$this->config->item('crud_db_created')]);
unset($this->cols[$this->config->item('crud_db_modified')]);
// If encryption is enabled, then load the encrypt lib
if ($this->db_encrypt === true) {
$this->load->library('encrypt');
}
}
/**
* decrypts a table row, ignoring the columns that aren't encrypted:
* crud_db_key, crud_db_created, crud_db_modified
* @param array $data [description]
* @return array $data array with decrypted elements
*/
protected function decrypt_array(array $data)
{
foreach ($this->cols as $col) {
if (isset($data[$col])) {
$data[$col] = $this->encrypt->deode($data[$col]);
} else {
$data[$col] = $data[$col];
}
}
return $data;
}
/**
* set the table for our CRUD model
* @param string $table
* @return [type]
*/
public function table(string $table)
{
$this->table = $table;
return $this;
}
/**
* creates a record in our table
* @param array $data
* @return bool
*/
public function create(array $data)
{
$payload = null;
foreach ($this->cols as $item) {
if (isset($data[$item])) {
if ($this->db_encrypt === true) {
$payload[$item] = $this->encrypt->encode($data[$item]);
} else {
$payload[$item] = $data[$item];
}
}
}
if ($payload === null) {
return false;
}
$payload[$this->created] = date('Y-m-d H:i:s');
return $this->db->insert($this->table, $payload);
}
/**
* returns the record with the given id from our table
* @param int $id
* @return array
*/
public function get(string $id = null)
{
if ($id === null) {
$result = $this->db->select()->get($this->table)->result_array();
if ($this->db_encrypt === true) {
for ($i = 0; $i <= count($result); $i++) {
$result[$i] = $this->decrypt_array($result[$i]);
}
return $result;
}
return $result;
}
$result = $this->db->select()->where($this->db_key, $id)->get($this->table)->row_array();
if ($this->db_encrypt === true) {
return $this->decrypt_array($result);
}
return $result;
}
/**
* updates the record in the database with the id provided.
* @param int $id
* @param array $data
* @return bool
*/
public function update(string $id, array $data)
{
$payload = null;
foreach ($this->cols as $item) {
if (isset($data[$item])) {
if ($this->db_encrypt === true) {
$payload[$item] = $this->encrypt->encode($data[$item]);
}
$payload[$item] = $data[$item];
}
}
if ($payload === null) {
return false;
}
return $this->db->update($this->table, $payload, array($this->db_key => $id));
}
/**
* deleted the reocrd whos id is provided
* @param int $id
* @return bool
*/
public function delete(string $id)
{
return $this->db->delete($this->table, array($this->db_key => $id));
}
}
/* End of file crud_model.php */
/* Location: ./application/models/crud_model.php */
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