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Mastering C# for .NET Developers

Solution: Warehouse Stock Sync

Explore how to implement a warehouse stock synchronization solution by reading and writing JSON asynchronously in C#. Understand deserialization, safe file handling, and resource cleanup to update inventory data effectively using modern .NET techniques.

We'll cover the following...
C# 14.0
using System.IO;
using System.Text.Json;
using System.Threading.Tasks;
namespace CodingExercise;
public static class InventoryManager
{
    public static async Task AddStockAsync(string filePath, int quantityToAdd)
    {
        string currentJson = await File.ReadAllTextAsync(filePath);
        InventoryItem? item = JsonSerializer.Deserialize<InventoryItem>(currentJson);
        if (item != null)
        {
            item.StockQuantity += quantityToAdd;
        }
        var options = new JsonSerializerOptions { WriteIndented = true };
        string updatedJson = JsonSerializer.Serialize(item, options);
        await File.WriteAllTextAsync(filePath, updatedJson);
        Console.WriteLine("Inventory updated successfully.");
    }
}
...