mirror of
https://github.com/opensourcepos/opensourcepos.git
synced 2026-01-02 14:37:55 -05:00
83 lines
2.4 KiB
PHP
83 lines
2.4 KiB
PHP
<?php
|
|
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));
|
|
}
|
|
}
|
|
?>
|