/**
* Returns the last stock-level in the stock-history, using the internal
* $_counter-array.
* Uses _checkUnitsSet-method to make sure a product was already set!
*
* @return int last stock level, if never adjusted the current stock level is returned
*/
public function getLastStock(Unit $unit, Location\Location $location)
{
$this->_checkUnitsSet();
if (!isset($this->_counter[$unit->id][$location->name])) {
$this->_counter[$unit->id][$location->name] = $unit->getStockForLocation($location);
}
return $this->_counter[$unit->id][$location->name];
}
/**
* Creates an adjustment for the given unit and location, with a new
* value the stock level will be set to.
* No conversion into a positive value will be made!
*
* @param Unit $unit the unit the adjustment will effect
* @param Location $location the stock location
* @param int $value the new stock level
*
* @throws \IllegalArgumentException if the value is negative
*
* @return StockManager $this for chainability
*/
public function set(Unit $unit, Location $location, $value)
{
if ($value < 0) {
throw new \IllegalArgumentException("Value set for stock adjustment must be positive!");
}
$adjustment = new Adjustment\Adjustment();
$curStockLevel = $unit->getStockForLocation($location);
$adjustment->unit = $unit;
$adjustment->location = $location;
$adjustment->delta = $value - $curStockLevel;
$this->_saveNewAdjustment($adjustment);
return $this;
}
public function saveStockForLocation(Unit $unit, Location $location)
{
return $this->_saveStockLevel($unit->id, $location->name, $unit->getStockForLocation($location));
}
