def depositInventory(self, barcode, x_index, y_index, x_encoder, y_encoder):
dbConnect = DbConnect(InventoryDAO.getDbDir())
connector = dbConnect.getConnection()
barcodeDAO = BarcodeDAO(connector)
barcodeId = barcodeDAO.getPriKeys("Barcode", barcode)[0]
inventoryDAO = InventoryDAO(connector)
entry = (barcodeId, x_index, y_index, x_encoder, y_encoder, 0)
inventoryDAO.createAnEntry(entry)
def __numItemsAvailable(self, connector, barcode):
barcodeDAO = BarcodeDAO(connector)
barcodeColHeader = "Barcode"
barcodePriKey = barcodeDAO.getPriKeys(barcodeColHeader, barcode)[0]
inventoryDAO = InventoryDAO(connector)
numItems = 0
barcodesInInventory = inventoryDAO.getPriKeys("BarcodeDetailsFk", barcodePriKey)
for barcodeInInventory in barcodesInInventory:
if inventoryDAO.selectAColumn("CheckoutFlag", barcodeInInventory) == 0:
numItems += 1
return numItems
def reserveInventoryIfAvailable(self, customerId, barcode, quantity):
dbConnect = DbConnect(BarcodeDAO.getDbDir())
connector = dbConnect.getConnection()
# the customer should order the exact amount. For example if there exists 1 item in the
# back room and the customer ordered 2 items, then the whole transaction is rejected.
# if returning false, the available quantity
numAvailableItem = self.__numItemsAvailable(connector, barcode)
if numAvailableItem < quantity:
return (False, numAvailableItem)
barcodeDAO = BarcodeDAO(connector)
barcodePriKey = barcodeDAO.getPriKeys("Barcode", barcode)[0]
inventoryDAO = InventoryDAO(connector)
inventoryEntries = inventoryDAO.selectEntries("BarcodeDetailsFk", barcodePriKey)
virtualCartDAO = VirtualCartDAO(connector)
newVirtualCartRowId = virtualCartDAO.createAnEntry( (customerId, barcodePriKey, quantity, 0) )
reservedInventoryLoc = list()
reserveCount = 0
for inventoryEntry in inventoryEntries:
if reserveCount == quantity:
break
if inventoryEntry[6] != 0:
continue
inventoryDAO.update(inventoryEntry[0], "CheckoutFlag", 1)
# [inventoryDetailsId, barcodeDetailsFk, X_index, Y_index, X_encoder, Y_encoder, checkoutFlag]
entry = inventoryDAO.selectAnEntry(inventoryEntry[0])
reservedInventoryLoc.append(entry[0:1]+entry[2:6]) # omit barcodeDetailsFk and checkoutFlag
reserveCount += 1
return (True, reservedInventoryLoc, newVirtualCartRowId)
