/// <summary>
/// Manages this instance.
/// </summary>
public void Manage()
{
////creating the object of InventoryUtility class
InventoryUtility inventoryUtility = new InventoryUtility();
Console.WriteLine("enter 1 for reading the item in an inventory");
Console.WriteLine("enter 2 for adding items in to an inventory");
Console.WriteLine("enter 3 for updating the item in a inventory");
Console.WriteLine("enter 4 for deleteing inventory");
int caseToExecute = Convert.ToInt32(Console.ReadLine());
switch (caseToExecute)
{
case 1:
////this case is used for manage data
inventoryUtility.InventoryManagementData();
break;
case 2:
////this case is used for a
inventoryUtility.AddToInventory();
break;
case 3:
inventoryUtility.UpdateInventoryData();
break;
case 4:
inventoryUtility.DeleteInventory();
break;
}
}
/// <summary>
/// this method is used for deleting the object
/// </summary>
public void DeleteInventory()
{
////creating the object of constants class
Constants constants = new Constants();
string data = InventoryUtility.ReadFile(constants.InventoryManageMentDetails);
IList <InventoryManagementModel> inventoryDelete = JsonConvert.DeserializeObject <List <InventoryManagementModel> >(data);
////this loop is used for printing the elements in a list
foreach (var items in inventoryDelete)
{
Console.WriteLine(items.Id + "\t" + items.Name + "\t" + items.Weight + "\t" + items.PricePerKg);
}
Console.WriteLine("Enter the Id to delete");
int id = Convert.ToInt32(Console.ReadLine());
bool itemExists = true;
////this loop is used for searching the given id
foreach (var item in inventoryDelete)
{
if (id == item.Id)
{
Console.WriteLine(item.Id + "\t" + item.Name + "\t" + item.Weight + "\t" + item.PricePerKg);
itemExists = false;
break;
}
}
if (itemExists == true)
{
Console.WriteLine("inventory does not exists");
}
var itemToRemove = inventoryDelete.Single(r => r.Id == id);
inventoryDelete.Remove(itemToRemove);
////searilizeing the object
var convertedJson = JsonConvert.SerializeObject(inventoryDelete);
////writing in to the file
File.WriteAllText(constants.InventoryManageMentDetails, convertedJson);
Console.WriteLine("stock removed");
}
/// <summary>
/// this loop is used for adding the inventory object in to the file
/// </summary>
public void AddToInventory()
{
try
{
////taking the id from the customer
Console.WriteLine("enter id");
int idNo = Convert.ToInt32(Console.ReadLine());
////creating the object of constants class
Constants constants = new Constants();
Console.WriteLine("enter name of the item");
string nameOfItem = Console.ReadLine();
Console.WriteLine("enter the weight of the item");
double weightOfItem = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("enter the price per kg for the item");
double pricePerkgOfItem = Convert.ToDouble(Console.ReadLine());
////creating the new object of InventoryManagementModel class
InventoryManagementModel managementModel = new InventoryManagementModel()
{
////assigning the values of InventoryManagementModel class
Id = idNo,
Name = nameOfItem,
Weight = weightOfItem,
PricePerKg = pricePerkgOfItem
};
////reading the data from the file
string data = InventoryUtility.ReadFile(constants.InventoryManageMentDetails);
////deserializeing the string in to object
this.inventory = JsonConvert.DeserializeObject <List <InventoryManagementModel> >(data);
this.inventory.Add(managementModel);
////Serialize the inventory
var convertedJson = JsonConvert.SerializeObject(this.inventory);
////writing into the file
File.WriteAllText(constants.InventoryManageMentDetails, convertedJson);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
/// <summary>
/// this method is used for updating the inventory data
/// </summary>
public void UpdateInventoryData()
{
////creating the object of constantes class
Constants constants = new Constants();
////reading the json file
string data = InventoryUtility.ReadFile(constants.InventoryManageMentDetails);
IList <InventoryManagementModel> inventoryDetails = JsonConvert.DeserializeObject <List <InventoryManagementModel> >(data);
foreach (var items in inventoryDetails)
{
Console.WriteLine(items.Id + "\t" + items.Name + "\t" + items.Weight + "\t" + items.PricePerKg);
}
Console.WriteLine("Enter the Id to update");
int id = Convert.ToInt32(Console.ReadLine());
foreach (var item in inventoryDetails)
{
while (id == item.Id)
{
Console.WriteLine(item.Id + "\t" + item.Name + "\t" + item.Weight + "\t" + item.PricePerKg);
break;
}
}
Console.WriteLine("Enter 1 to change the price \n Enter 2 to change weight");
int property = Convert.ToInt32(Console.ReadLine());
int newPrice = 0;
int newWeight = 0;
switch (property)
{
case 1:
Console.WriteLine("Enter new Price");
newPrice = Convert.ToInt32(Console.ReadLine());
foreach (var item in inventoryDetails)
{
while (id == item.Id)
{
item.PricePerKg = newPrice;
break;
}
}
break;
case 2:
Console.WriteLine("Enter new Price");
newWeight = Convert.ToInt32(Console.ReadLine());
foreach (var item in inventoryDetails)
{
while (id == item.Id)
{
item.Weight = newWeight;
break;
}
}
break;
}
var convertedJson = JsonConvert.SerializeObject(inventoryDetails);
File.WriteAllText(constants.InventoryManageMentDetails, convertedJson);
}
