/// <summary>
/// this is management of crud operation
/// </summary>
public void Management()
{
////creating the object of InventoryUtility class
InventoryUtil inventoryUtility = new InventoryUtil();
Console.WriteLine("ENTER PRESS 1 TO READ THE ALL FILE");
Console.WriteLine("ENTER PRESS 2 TO ADDING THE DATA IN FILE");
Console.WriteLine("ENTER PRESS 3 TO UPDATING THE SOME PRODUCT PRESENT IN THE LIST");
Console.WriteLine("ENTER PRESS 4 TO DELETE FROM THE SOME PRODUCT FROM FILE");
int caseToExecute = Convert.ToInt32(Console.ReadLine());
switch (caseToExecute)
{
case 1:
inventoryUtility.InventoryManagementData();
break;
case 2:
inventoryUtility.AddToInventory();
break;
case 3:
inventoryUtility.UpdateInventoryData();
break;
case 4:
inventoryUtility.deleteInventory();
break;
}
}
public void AddToInventory()
{
try
{
Console.WriteLine("ENTER THE ID");
int idNo = Convert.ToInt32(Console.ReadLine());
Constant constants = new Constant();
Console.WriteLine("ENTER THE NAME OF PROJUCT");
string nameOfItem = Console.ReadLine();
Console.WriteLine("ENTER THE WEIGHT OF PRODUCt");
double weightOfItem = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("ENTER THE PRICE PER KG FOR PRODDUCT");
double pricePerkgOfItem = Convert.ToDouble(Console.ReadLine());
InventoryMangModel managementModel = new InventoryMangModel()
{
id = idNo,
name = nameOfItem,
weight = weightOfItem,
pricePerKg = pricePerkgOfItem
};
string data = InventoryUtil.ReadFile(constants.InventoryManageMentDetails);
this.inventory = JsonConvert.DeserializeObject <List <InventoryMangModel> >(data);
this.inventory.Add(managementModel);
var convertedJson = JsonConvert.SerializeObject(inventory);
File.WriteAllText(constants.InventoryManageMentDetails, convertedJson);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public void UpdateInventoryData()
{
Constant constants = new Constant();
string data = InventoryUtil.ReadFile(constants.InventoryManageMentDetails);
IList <InventoryMangModel> inventoryDetails = JsonConvert.DeserializeObject <List <InventoryMangModel> >(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);
}
public void deleteInventory()
{
Constant constants = new Constant();
string data = InventoryUtil.ReadFile(constants.InventoryManageMentDetails);
IList <InventoryMangModel> inventoryDelete = JsonConvert.DeserializeObject <List <InventoryMangModel> >(data);
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;
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");
}
Console.WriteLine(inventoryDelete);
var itemToRemove = inventoryDelete.Single(r => r.id == id);
inventoryDelete.Remove(itemToRemove);
var convertedJson = JsonConvert.SerializeObject(inventoryDelete);
File.WriteAllText(constants.InventoryManageMentDetails, convertedJson);
Console.WriteLine("stock removed");
}