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// StockManager: updated security and added getProductCoverage()

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This commit is contained in:
bMancone
2011-10-19 16:24:26 +00:00
parent c74e608ea3
commit fd15095d07
2 changed files with 65 additions and 9 deletions
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classes/stock/StockManager.php
+50 -5
View File
@@ -382,21 +382,29 @@ class StockManagerCore implements StockManagerInterface
/**
* @see StockManagerInterface::getProductPhysicalQuantities()
*/
public function getProductPhysicalQuantities($id_product, $id_product_attribute, $id_warehouses = null, $usable = false)
public function getProductPhysicalQuantities($id_product, $id_product_attribute, $ids_warehouse = null, $usable = false)
{
// in case $ids_warehouse is not an array
if (!is_array($ids_warehouse))
$ids_warehouse = array($ids_warehouse);
// casts for security reason
$ids_warehouse = array_map('intval', $ids_warehouse);
$query = new DbQuery();
$query->select('SUM('.($usable ? 's.usable_quantity' : 's.physical_quantity').')');
$query->from('stock s');
$query->where('s.id_product = '.(int)$id_product.' AND s.id_product_attribute = '.(int)$id_product_attribute);
if (count($id_warehouses))
$query->where('s.id_warehouse IN('.implode(', ', $id_warehouses).')');
if (count($ids_warehouse))
$query->where('s.id_warehouse IN('.implode(', ', $ids_warehouse).')');
return (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue($query);
}
/**
* @see StockManagerInterface::getProductRealQuantities()
*/
public function getProductRealQuantities($id_product, $id_product_attribute, $id_warehouses = null, $usable = false)
public function getProductRealQuantities($id_product, $id_product_attribute, $ids_warehouse = null, $usable = false)
{
// Gets clients_orders_qty
$query = new DbQuery();
@@ -409,7 +417,7 @@ class StockManagerCore implements StockManagerInterface
$clients_orders_qty = (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue($query);
// Gets {physical OR usable}_qty
$qty = $this->getProductPhysicalQuantities($id_product, $id_product_attribute, $id_warehouses, $usable);
$qty = $this->getProductPhysicalQuantities($id_product, $id_product_attribute, $ids_warehouse, $usable);
// Returns real_qty = qty - clients_orders_qty
// @TODO include suplliers orders in the calcul when they will be implemented
@@ -464,6 +472,43 @@ class StockManagerCore implements StockManagerInterface
return true;
}
/**
* @see StockManagerInterface::getProductCoverage()
* Here, $coverage is a number of days
* @return int number of days left
*/
public function getProductCoverage($id_product, $id_product_attribute, $coverage, $id_warehouse = null)
{
if (!$id_product_attribute)
$id_product_attribute = 0;
// gets all stock_mvt for the given coverage period
$query = '
SELECT SUM(sm.`physical_quantity`) as quantity_out
FROM `'._DB_PREFIX_.'stock_mvt` sm
LEFT JOIN `'._DB_PREFIX_.'stock` s ON (sm.`id_stock` = s.`id_stock`)
LEFT JOIN `'._DB_PREFIX_.'product` p ON (p.`id_product` = s.`id_product` AND p.`id_product` = '.(int)$id_product.')
LEFT JOIN `'._DB_PREFIX_.'product_attribute` pa ON (p.`id_product` = pa.`id_product` AND pa.id_product_attribute = '.(int)$id_product_attribute.')
WHERE sm.`sign` = -1
AND TO_DAYS(NOW()) - TO_DAYS(sm.`date_add`) <= '.(int)$coverage.
($id_warehouse ? ' AND s.`id_warehouse` = '.(int)$id_warehouse : '').'
GROUP BY sm.`id_stock_mvt`
ORDER BY sm.`date_add` DESC';
$quantity_out = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue($query);
if (!$quantity_out)
return 0;
$quantity_per_day = round($quantity_out / $coverage);
$physical_quantity = $this->getProductPhysicalQuantities($id_product,
$id_product_attribute,
($id_warehouse ? array($id_warehouse) : null),
true);
$time_left = round($physical_quantity / $quantity_per_day);
return $time_left;
}
/**
* For a given stock, calculates its new WA(Weighted Average) price based on the new quantities and price
* Formula : (physicalStock * lastCump + quantityToAdd * unitPrice) / (physicalStock + quantityToAdd)
classes/stock/StockManagerInterface.php
+15 -4
View File
@@ -73,11 +73,11 @@ interface StockManagerInterface
*
* @param int $id_product
* @param int $id_product_attribute
* @param array|int $id_warehouses optional
* @param array|int $ids_warehouse optional
* @param bool $usable false default - in this case we retrieve all physical quantities, otherwise we retrieve physical quantities flagged as usable
* @return int
*/
public function getProductPhysicalQuantities($id_product, $id_product_attribute, $id_warehouses = null, $usable = false);
public function getProductPhysicalQuantities($id_product, $id_product_attribute, $ids_warehouse = null, $usable = false);
/**
* For a given product, returns its real quantity
@@ -86,11 +86,11 @@ interface StockManagerInterface
*
* @param int $id_product
* @param int $id_product_attribute
* @param array|int $warehouses_id optional
* @param array|int $ids_warehouse optional
* @param bool $usable false by default
* @return int
*/
public function getProductRealQuantities($id_product, $id_product_attribute, $id_warehouses = null, $usable = false);
public function getProductRealQuantities($id_product, $id_product_attribute, $ids_warehouse = null, $usable = false);
/**
* For a given product, transfers quantities between two warehouses
@@ -110,4 +110,15 @@ interface StockManagerInterface
*/
public function transferBetweenWarehouses($id_product, $id_product_attribute, $quantity, $id_stock_movement_reason, $warehouse_from, $warehouse_to, $usable_from = true, $usable_to = true);
/**
* For a given product, returns the time left before being out of stock.
* By default, for the given product, it will use sum(quantities removed/added in all warehouses)
*
* @param int $id_product
* @param int $id_product_attribute
* @param int $coverage
* @param int $id_warehouse optional
* @return int time
*/
public function getProductCoverage($id_product, $id_product_attribute, $coverage, $id_warehouse = null);
}