UWP Settings Helper

SettingsHelper.cs

using Newtonsoft.Json;
using System;
using Windows.Foundation.Collections;

namespace Client.Helpers
{
    public class SettingsHelper
    {
        private readonly IPropertySet _settings;

        public SettingsHelper(IPropertySet settings)
        {
            _settings = settings;
        }

        public string ReadCascade(string key, string otherwise)
        {
            if (!TryReadSetting<string>(key, out var result))
            {
                if (!TryReadEnvironment(key, out result))
                {
                    result = otherwise;
                }
            }

            return result;
        }

        public string ReadEnvironment(string key, string otherwise)
        {
            if (!TryReadEnvironment(key, out var result))
            {
                result = otherwise;
            }

            return result;
        }

        public bool TryReadEnvironment(string key, out string value)
        {
            value = default;
            var result = true;

            try
            {
                if (Environment.GetEnvironmentVariables().Contains(key))
                {
                    value = Environment.GetEnvironmentVariable(key);
                }
                else
                {
                    result = false;
                }
            }
            catch
            {
                result = false;
            }

            return result;
        }

        public T ReadSetting<T>(string key, T otherwise)
        {
            if (!TryReadSetting<T>(key, out var result))
            {
                result = otherwise;
            }

            return result;
        }

        public bool TryReadSetting<T>(string key, out T value)
        {
            value = default;
            var result = true;

            try
            {
                if (_settings.ContainsKey(key))
                {
                    var json = _settings[key].ToString();
                    value = JsonConvert.DeserializeObject<T>(json);
                }
                else
                {
                    result = false;
                }
            }
            catch
            {
                result = false;
            }

            return result;
        }

        public bool WriteSetting<T>(string key, T value)
        {
            var result = true;

            if (TryReadSetting<T>(key, out var setting) && Equals(setting, value))
            {
                result = false;
            }
            else
            {
                var json = JsonConvert.SerializeObject(value);
                _settings[key] = json;
            }

            return result;
        }
    }
}