managing-apps/src/Managing.Core/FileHelpers.cs

using System.Reflection;
using System.Text.Json;

namespace Managing.Core;

public static class FileHelpers
{
    public static T ReadJson<T>(string path)
    {
        string assemblyLocation = Assembly.GetExecutingAssembly().Location;

        string assemblyDirectory = Path.GetDirectoryName(assemblyLocation);

        if (assemblyDirectory != null)
        {
            var pathToReadFrom = Path.Combine(assemblyDirectory, path);
            // Reads the content of the JSON file.
            var json = File.ReadAllText(pathToReadFrom);
            return JsonSerializer.Deserialize<T>(json);
        }

        return default;
    }
}