Sindbad~EG File Manager
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
/**
* Item_quantity class
*/
class Item_quantity extends CI_Model
{
public function exists($item_id, $location_id)
{
$this->db->from('item_quantities');
$this->db->where('item_id', $item_id);
$this->db->where('location_id', $location_id);
return ($this->db->get()->num_rows() == 1);
}
public function save($location_detail, $item_id, $location_id)
{
if(!$this->exists($item_id, $location_id))
{
return $this->db->insert('item_quantities', $location_detail);
}
$this->db->where('item_id', $item_id);
$this->db->where('location_id', $location_id);
return $this->db->update('item_quantities', $location_detail);
}
public function get_item_quantity($item_id, $location_id)
{
$this->db->from('item_quantities');
$this->db->where('item_id', $item_id);
$this->db->where('location_id', $location_id);
$result = $this->db->get()->row();
if(empty($result) == TRUE)
{
//Get empty base parent object, as $item_id is NOT an item
$result = new stdClass();
//Get all the fields from items table (TODO to be reviewed)
foreach($this->db->list_fields('item_quantities') as $field)
{
$result->$field = '';
}
$result->quantity = 0;
}
return $result;
}
/*
* changes to quantity of an item according to the given amount.
* if $quantity_change is negative, it will be subtracted,
* if it is positive, it will be added to the current quantity
*/
public function change_quantity($item_id, $location_id, $quantity_change)
{
$quantity_old = $this->get_item_quantity($item_id, $location_id);
$quantity_new = $quantity_old->quantity + intval($quantity_change);
$location_detail = array('item_id' => $item_id, 'location_id' => $location_id, 'quantity' => $quantity_new);
return $this->save($location_detail, $item_id, $location_id);
}
/*
* Set to 0 all quantity in the given item
*/
public function reset_quantity($item_id)
{
$this->db->where('item_id', $item_id);
return $this->db->update('item_quantities', array('quantity' => 0));
}
/*
* Set to 0 all quantity in the given list of items
*/
public function reset_quantity_list($item_ids)
{
$this->db->where_in('item_id', $item_ids);
return $this->db->update('item_quantities', array('quantity' => 0));
}
}
?>
Sindbad File Manager Version 1.0, Coded By Sindbad EG ~ The Terrorists