// Sell an item to a customer, if quantity of stock is available and SKU exists.
// Reduce stock by quantity, increase balance by quantity*price, and return true if stock available.
// If partial stock (less than quantity) available, sell the available stock and return true.
// If no stock, sku does not exist, or quantity is negative, return false.
bool StockSystem::Sell(int itemsku, int quantity)
{
bool existence;
StockItem item = StockItem(itemsku, "", 0);
StockItem* temp = records.Retrieve(item);
if (temp == nullptr)
existence = false;
else
existence = true;
if (existence && temp->GetStock() > quantity)
{
temp->SetStock(temp->GetStock() - quantity);
balance = balance + quantity*(temp->GetPrice());
return true;
}
else if ((0 <= quantity < temp->GetStock()) && existence)
{
balance = balance + (temp->GetStock())*(temp->GetPrice());
temp->SetStock(0);
return true;
}
else
return false;
}
// Sell an item to a customer, if quantity of stock is available and SKU exists.
// Reduce stock by quantity, increase balance by quantity*price, and return true if stock available.
// If partial stock (less than quantity) available, sell the available stock and return true.
// If no stock, sku does not exist, or quantity is negative, return false.
bool StockSystem::Sell(int itemsku, int quantity)
{
int size = records.Size();
StockItem* arr = records.Dump(size);
if (quantity < 0) { return false; }
for (int i = 0; i < size; i++)
{
if (arr[i].GetSKU() == itemsku)
{
StockItem *item = records.Retrieve(arr[i]);
int number = item->GetStock() - quantity;
if (number <= 0) { number = 0; }
if (item->GetStock() <= 0) { return false; }
if (number == 0)
{
this->balance = balance + ( item->GetStock()*item->GetPrice());
}
else
{
this->balance = balance + (quantity*item->GetPrice());
}
delete[] arr;
item->SetStock(number);
return true;
}
}
delete[] arr;
return false;
}
// Sell an item to a customer, if quantity of stock is available and SKU exists.
// Reduce stock by quantity, increase balance by quantity*price, and return true if stock available.
// If partial stock (less than quantity) available, sell the available stock and return true.
// If no stock, sku does not exist, or quantity is negative, return false.
bool StockSystem::Sell(int itemsku, int quantity){
StockItem inputItem = StockItem(itemsku, "ignore this message", 0.00);
//search this identical item, if it is found return a pointer to it
StockItem* valueRetreived = records.Retrieve(inputItem);
//if the pointer is null, must be that retrieve failed
if (valueRetreived == NULL || quantity <=0 || valueRetreived->GetStock()<=0) {
return false;
}else{
if (valueRetreived->GetStock()<=quantity) {
balance = balance + (valueRetreived->GetStock())*(valueRetreived->GetPrice());
valueRetreived->SetStock(0);
return true;
}else{
valueRetreived->SetStock(valueRetreived->GetStock()-quantity);
balance = balance + quantity*(valueRetreived->GetPrice());
return true;
}
}
}
// Locate the item with key itemsku and update its description field.
// Return false if itemsku is not found or retailprice is negative.
bool StockSystem::EditStockItemPrice(int itemsku, double retailprice){
//init an stockitem
StockItem inputItem = StockItem(itemsku, "ignore this message", retailprice);
//search this identical item, if it is found return a pointer to it
StockItem* valueRetreived = records.Retrieve(inputItem);
//if the pointer is null, must be that retrieve failed
if (valueRetreived == NULL) {
return false;
}else{
//check negative pricing
if (valueRetreived->GetPrice() < 0) {
return false;
}else{
valueRetreived->SetPrice(retailprice);
return true;
}
}
}
