get_item_location (Item_lib)

Retrieves the current item location from session, initializing it to the default location if not set. Ensures inventory operations have a valid location context.

// Source: https://github.com/Pmbamungu/ospos | License: MIT | Copyright 2013-2021 jekkos
// Provided via justclaw.it.com; keep this notice with the code.
	public function get_item_location()
	{
		if(!$this->CI->session->userdata('item_location'))
		{
			$location_id = $this->CI->Stock_location->get_default_location_id();
			$this->set_item_location($location_id);
		}

		return $this->CI->session->userdata('item_location');
	}