public void DisplaySoldInventoryItems()
{
try
{
int increment = 0;
NodeClass current = first;
while (current != null)
{
increment++;
if (current.soled == true)
{
increment++;
Console.WriteLine("Inventory Item " + increment + " => " + " [" + "name:" + current.name + " , " + " Price:" + " $" + current.price + ", Discription:" + current.discription + " , SOLED " + current.soled + " ] ");
}
current = current.NextNode;
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
internal void BuyItem(string item, int paymentAmount, InventoryItemClass counter)
{
int temp = 0;
NodeClass tempNode = null;
NodeClass data = inventoryItem;
while (data != null)
{
if (data.name == item && data.soled == false)
{
if (PaymentSuccess(paymentAmount) == true)
{
itemBought[0] = item;
tempNode = data;
temp++;
counter.count--;
data.itemSold();
}
}
data = data.NextNode;
}
if (temp == 1)
{
Console.WriteLine(name + " just bought an or a " + " [ " + tempNode.name + " ] " + " computer");
}
if (temp == 0)
{
Console.WriteLine(name + " tries to buy an item, but it is " + " 0ut of stock");
}
}
public Customer(string id, string name, string customerLocation, NodeClass inventoryItem)
{
this.name = name;
this.id = Int32.Parse(id);
this.customerLocation = customerLocation;
this.inventoryItem = inventoryItem;
this.itemBought = new string[12];
}
public bool DeleteItem(string name)
{
NodeClass current = first;
NodeClass oldCurrent = first;
bool temp = false;
while (current != null)
{
if (current.NextNode != null)
{
oldCurrent = current;
current = current.NextNode;
if (oldCurrent.NextNode == current)
{
Console.WriteLine("current node is " + current.name + " && old node is " + oldCurrent.name);
if (oldCurrent.name == name)
{
Console.WriteLine("It is true " + current.name + " is reached ");
first = current;
temp = true;
count--;
break;
}
if (current.name == name)
{
Console.WriteLine("It is true " + current.name + " is reached ");
oldCurrent.NextNode = current.NextNode;
temp = true;
count--;
break;
}
}
}
else
{
Console.WriteLine("current node is " + current.name + " && old node is " + oldCurrent.name);
if (current.name == name)
{
Console.WriteLine("It is true " + current.name + " is reached ");
oldCurrent.NextNode = current.NextNode;
temp = true;
count--;
break;
}
}
current = current.NextNode;
}
return(temp);
}
public NodeClass(string name, string price, string condition, string modal, string discription, bool soled)
{
this.name = name;
this.price = price;
this.condition = condition;
this.modal = modal;
this.discription = discription;
this.soled = false;
this.NextNode = null;
}
public void UpdatePrice(string name, string amount, NodeClass DataBase)
{
bool item = FindItem(name);
string oldPrice = findPrice(name);
if (item == true)
{
Console.WriteLine("Original price of (" + name + ") is " + oldPrice + " new Updated price is ==> " + UpdateInventory(name, amount, DataBase));
}
else
{
Console.WriteLine("It is Not found or has been sold");
}
}
public bool FindItem(string name)
{
bool temp = false;
NodeClass current = first;
while (current != null)
{
if (current.name == name && current.soled != true)
{
temp = true;
}
current = current.NextNode;
}
return(temp);
}
public string findPrice(string name)
{
string temp = "";
NodeClass current = first;
while (current != null)
{
if (current.name == name && current.soled != true)
{
temp = current.price;
}
current = current.NextNode;
}
return(temp);
}
public string UpdateInventory(string name, string price, NodeClass dataBase)
{
NodeClass current = dataBase;
string newPrice = "";
while (current != null)
{
if (current.name == name && current.soled != true)
{
current.price = price;
return(price);
}
current = current.NextNode;
}
return(newPrice);
}
public void Insert(string name, string price, string condition, string modal, string discription, bool soled)
{
NodeClass current = first;
NodeClass newNode = new NodeClass(name, price, condition, modal, discription, soled);
if (current != null)
{
newNode.NextNode = first;
first = newNode;
count++;
}
if (current == null)
{
first = newNode;
count++;
}
}
public InventoryItemClass() : base("1334", "James", true)
{
this.first = null;
this.count = 0;
}
