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// Implements removeProduct method

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git-svn-id: http://dev.prestashop.com/svn/v1/branches/1.5.x@9201 b9a71923-0436-4b27-9f14-aed3839534dd
This commit is contained in:
dSevere
2011-10-10 16:13:04 +00:00
parent 2a1de3f012
commit 2ff2e87033
2 changed files with 142 additions and 25 deletions
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classes/stock/StockManager.php
+141 -24
View File
@@ -62,7 +62,7 @@ class StockManagerCore implements StockManagerInterface
// Get context to have employee informations
$context = Context::getContext();
// sets mvt params to save stock mvt (only one movement possible when adding product quantities)
// sets mvt params to save stock mvt (only one mvt possible when adding product quantities)
$mvt_params = array(
'id_stock' => null,
'physical_quantity' => $quantity,
@@ -159,7 +159,8 @@ class StockManagerCore implements StockManagerInterface
break;
}
if (!$stock_exists) {
if (!$stock_exists)
{
// creates a new stock for this product
$stock = new Stock();
@@ -200,34 +201,47 @@ class StockManagerCore implements StockManagerInterface
$is_usable = true,
$id_order = null)
{
$return = array();
if (!is_object($warehouse) || !$price_te || !$quantity || (!$id_product || !$id_product_attribute))
return false;
return $return;
if (!StockmvtReason::exists($id_stock_mvt_reason))
$id_stock_mvt_reason = StockMvtReason::STOCK_MVT_DEFAULT_REASON;
// gets context to have employee informations
// gets context to have the employee informations
$context = Context::getContext();
// gets total quantitiy for the current product
$quantity_in_stock = $this->getProductPhysicalQuantities($id_product, $id_product_attribute, $warehouse->id_warehouse, $usable);
// gets total quantitiy in stock for the current product
$quantity_in_stock = $this->getProductPhysicalQuantities($id_product, $id_product_attribute, array($warehouse->id_warehouse), $usable);
// checks if it's possible to remove the given quantity
if($quantity_in_stock < $quantity)
return false;
if ($quantity_in_stock < $quantity)
return $return;
// gets stock collection for the given product
$stock_collection = $this->getStockCollection($id_product, $id_product_attribute, $warehouse->id_warehouse);
// check if the collection is well loaded
if (count($stock_collection) <= 0)
return $return;
// prepare utils variables
$stock_history_qty_available = array();
$mvt_params = array();
$stock_params = array();
$quantity_to_decrement_by_stock = array();
$global_quantity_to_decrement = $quantity;
// switch on STOCK_MANAGEMENT_MODE
switch ($warehouse->stock_management)
switch ($warehouse->management_type)
{
// case CUMP mode
case 'WA':
// There is one and only one stock for a given product in a warehouse in this mode
$stock = $stock_collection[0];
// sets mvt params to save stock mvt (only one movement possible when removing product quantities in this mode)
// sets mvt params to save stock mvt (only one mvt is possible when removing product quantities in this mode)
$mvt_params = array(
'id_stock' => $stock->id_stock,
'physical_quantity' => $quantity,
@@ -237,13 +251,13 @@ class StockManagerCore implements StockManagerInterface
'id_employee' => $context->employee->id_employee
);
// set new stock params
// sets new stock params
$stock_params = array(
'physical_quantity' => ($stock->physical_quantity - $quantity),
'usable_quantity' => ($is_usable ? ($stock->usable_quantity - $quantity) : $stock->usable_quantity),
);
// save stock in warehouse
// saves stock in warehouse
$stock->hydrate($stock_params);
$stock->update();
@@ -253,23 +267,126 @@ class StockManagerCore implements StockManagerInterface
$stock_mvt->save();
break;
// case FIFO mode
case 'FIFO':
// have to decrement oldest stock in priority
return false; //@TODO
break;
case 'LIFO':
// have to decrement newest stock in priority
return false; //@TODO
break;
case 'FIFO':
default:
return false;
// for each stock, parse its mvts history to determine left quantities for each positive mvt,
// according to instant available quantities for this stock
foreach ($stock_collection as $stock)
{
$left_quantity_to_check = $stock->physical_quantity;
if ($left_quantity_to_check <= 0)
continue;
$resource = Db::getInstance(_PS_USE_SQL_SLAVE_)->execute('
SELECT sm.`id_stock_mvt`, sm.`date_add`, sm.`physical_quantity`, (sm.`physical_quantity` - SUM(sm2.`physical_quantity`)) as qty
FROM `'._DB_PREFIX_.'stock_mvt` sm
JOIN `'._DB_PREFIX_.'stock_mvt` sm2 ON sm2.`stock_mvt_referer` = sm.`id_stock_mvt`
WHERE sm.`sign` = 1
AND sm.`id_stock` = '.(int)$stock->id_stock.'
AND sm2.`sign` = -1
ORDER BY sm.`date_add` DESC'
);
while ($row = Db::getInstance()->nextRow($resource))
{
// stop while - in FIFO mode, we have to retreive the oldest positive mvts for which there are left quantities
if ($warehouse->management_type == 'FIFO')
if ($row['qty'] >= $row['physical_quantity'])
break;
// converts date to timestamp
$date = new DateTime($row['date_add']);
$timestamp = $date->format('U');
// history of the mvt
$stock_history_qty_available[$timestamp] = array(
'id_stock' => $stock->id_stock,
'id_stock_mvt' => (int)$row['id_stock_mvt'],
'qty' => (int)$row['qty']
);
// stop while - in LIFO mode, checks only the necessary history to handle the global quantity for the current stock
if ($warehouse->management_type == 'LIFO')
{
$left_quantity_to_check -= (int)$row['physical_quantity'];
if ($left_quantity_to_check <= 0)
break;
}
}
}
if ($warehouse->management_type == 'LIFO')
// orders stock history by timestamp to get newest history first
krsort($stock_history);
else
// orders stock history by timestamp to get oldest history first
ksort($stock_history);
// checks each stock to manage the real quantity to decrement for each of them
foreach ($stock_history as $entry)
{
if ($entry['qty'] >= $global_quantity_to_decrement)
{
$quantity_to_decrement_by_stock[$entry['id_stock']][$entry['id_stock_mvt']] = $global_quantity_to_decrement;
$global_quantity_to_decrement = 0;
}
else {
$quantity_to_decrement_by_stock[$entry['id_stock']][$entry['id_stock_mvt']] = $entry['qty'];
$global_quantity_to_decrement -= $entry['qty'];
}
if ($global_quantity_to_decrement <= 0)
break;
}
// for each stock, decrements it and logs the mvts
foreach ($stock_collection as $stock)
{
if (array_key_exists($stock->id_stock, $quantity_to_decrement_by_stock) && is_array($quantity_to_decrement_by_stock[$stock->id_stock]))
{
$total_quantity_for_current_stock = 0;
foreach ($quantity_to_decrement_by_stock[$stock->id_stock] as $id_mvt_referrer => $qte)
{
// sets mvt params to save stock mvt
$mvt_params = array(
'id_stock' => $stock->id_stock,
'physical_quantity' => $qte,
'id_stock_mvt_reason' => $id_stock_mvt_reason,
'id_order' => $id_order,
'price_te' => $stock->price_te,
'sign' => -1,
'stock_mvt_referer' => $id_mvt_referrer,
'id_employee' => $context->employee->id_employee
);
// saves stock mvt
$stock_mvt = new StockMvt();
$stock_mvt->hydrate($mvt_params);
$stock_mvt->save();
$total_quantity_for_current_stock += $qte;
}
// sets new stock params
$stock_params = array(
'physical_quantity' => ($stock->physical_quantity - $total_quantity_for_current_stock),
'usable_quantity' => ($is_usable ? ($stock->usable_quantity - $total_quantity_for_current_stock) : $stock->usable_quantity),
);
$return[$stock->id_stock]['quantity'] = $total_quantity_for_current_stock;
$return[$stock->id_stock]['price_te'] = $stock->price_te;
// saves stock in warehouse
$stock->hydrate($stock_params);
$stock->update();
}
}
break;
}
return true;
return $return;
}
/**
classes/stock/StockManagerInterface.php
+1 -1
View File
@@ -64,7 +64,7 @@ interface StockManagerInterface
* @param int $id_stock_mouvement_reason
* @param bool $is_usable
* @param int $id_order Optionnal
* @return bool
* @return array - empty if an error occured, details of removed products quantities with corresponding prices otherwise
*/
public function removeProduct($id_product, $id_product_attribute, $warehouse, $quantity, $id_stock_mouvement_reason, $is_usable, $id_order = null);