WIn_RustTools/RustTools/Helpers/SettingsStorageExtensions.cs
2024-08-15 09:40:33 +08:00

111 lines
3.5 KiB
C#

using Windows.Storage;
using Windows.Storage.Streams;
namespace RustTools.Helpers;
// Use these extension methods to store and retrieve local and roaming app data
// More details regarding storing and retrieving app data at https://docs.microsoft.com/windows/apps/design/app-settings/store-and-retrieve-app-data
public static class SettingsStorageExtensions
{
private const string FileExtension = ".json";
public static bool IsRoamingStorageAvailable(this ApplicationData appData)
{
return appData.RoamingStorageQuota == 0;
}
public static async Task SaveAsync<T>(this StorageFolder folder, string name, T content)
{
var file = await folder.CreateFileAsync(GetFileName(name), CreationCollisionOption.ReplaceExisting);
var fileContent = await Json.StringifyAsync(content);
await FileIO.WriteTextAsync(file, fileContent);
}
public static async Task<T?> ReadAsync<T>(this StorageFolder folder, string name)
{
if (!File.Exists(Path.Combine(folder.Path, GetFileName(name))))
{
return default;
}
var file = await folder.GetFileAsync($"{name}.json");
var fileContent = await FileIO.ReadTextAsync(file);
return await Json.ToObjectAsync<T>(fileContent);
}
public static async Task SaveAsync<T>(this ApplicationDataContainer settings, string key, T value)
{
settings.SaveString(key, await Json.StringifyAsync(value));
}
public static void SaveString(this ApplicationDataContainer settings, string key, string value)
{
settings.Values[key] = value;
}
public static async Task<T?> ReadAsync<T>(this ApplicationDataContainer settings, string key)
{
object? obj;
if (settings.Values.TryGetValue(key, out obj))
{
return await Json.ToObjectAsync<T>((string)obj);
}
return default;
}
public static async Task<StorageFile> SaveFileAsync(this StorageFolder folder, byte[] content, string fileName, CreationCollisionOption options = CreationCollisionOption.ReplaceExisting)
{
if (content == null)
{
throw new ArgumentNullException(nameof(content));
}
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentException("File name is null or empty. Specify a valid file name", nameof(fileName));
}
var storageFile = await folder.CreateFileAsync(fileName, options);
await FileIO.WriteBytesAsync(storageFile, content);
return storageFile;
}
public static async Task<byte[]?> ReadFileAsync(this StorageFolder folder, string fileName)
{
var item = await folder.TryGetItemAsync(fileName).AsTask().ConfigureAwait(false);
if ((item != null) && item.IsOfType(StorageItemTypes.File))
{
var storageFile = await folder.GetFileAsync(fileName);
var content = await storageFile.ReadBytesAsync();
return content;
}
return null;
}
public static async Task<byte[]?> ReadBytesAsync(this StorageFile file)
{
if (file != null)
{
using IRandomAccessStream stream = await file.OpenReadAsync();
using var reader = new DataReader(stream.GetInputStreamAt(0));
await reader.LoadAsync((uint)stream.Size);
var bytes = new byte[stream.Size];
reader.ReadBytes(bytes);
return bytes;
}
return null;
}
private static string GetFileName(string name)
{
return string.Concat(name, FileExtension);
}
}