CodeIgniter - Smart Model

codeiginiter-smart-model.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

// FROM: http://www.thephpcode.com/blog/view/a-smart-codeigniter-model.html
class MY_Model extends CI_Model {

	public $table;
	public function __construct()
	{
		parent::__construct();
		// $this->table = get_Class($this);
		$this->table = preg_replace("/_model$/", '', strtolower(get_Class($this)) );
		var_dump($this->table);
		$this->load->database();
	}

	public function save($data,$tablename="")
	{
		if($tablename=="")
		{
			$tablename = $this->table;
		}
		$op = 'update';
		$keyExists = FALSE;
		$fields = $this->db->field_data($tablename);

		foreach ($fields as $field)
		{
			if($field->primary_key==1)
			{
				$keyExists = TRUE;
				if(isset($data[$field->name]))
				{
					$this->db->where($field->name, $data[$field->name]);
				}
				else
				{
					$op = 'insert';
				}
			}
		}
		if($keyExists && $op=='update')
		{
			$this->db->set($data);
			$this->db->update($tablename);
			if($this->db->affected_rows()==1)
			{
				return $this->db->affected_rows();
			}
		}
		$this->db->insert($tablename,$data);
		return $this->db->affected_rows();
	}

	public function search($conditions=NULL,$tablename="",$limit=500,$offset=0)
	{
		if($tablename=="")
		{
			$tablename = $this->table;
		}
		if($conditions != NULL)
			$this->db->where($conditions);

		$query = $this->db->get($tablename,$limit,$offset=0);
		return $query->result();
	}

	public function insert($data,$tablename="")
	{
		if($tablename=="")
			$tablename = $this->table;
		$this->db->insert($tablename,$data);
		return $this->db->affected_rows();
	}

	public function update($data,$conditions,$tablename="")
	{
		if($tablename=="")
			$tablename = $this->table; $this->db->where($conditions);
		$this->db->update($tablename,$data);
		return $this->db->affected_rows();
	}

	public function delete($conditions,$tablename="")
	{
		if($tablename=="")
			$tablename = $this->table;
		$this->db->where($conditions);
		$this->db->delete($tablename);
		return $this->db->affected_rows();
	}

}

/* End of file MY_model.php */
/* Location: ./application/models/MY_model.php */