public Task Logout() => Task.Run(async() =>
{
var keys = await _blobCache.GetAllKeys();
foreach (var driveKey in keys.Where(x => x.StartsWith("google-drive", StringComparison.OrdinalIgnoreCase)))
{
await _blobCache.Invalidate(driveKey);
}
_driveService = null;
_isAuthorized.OnNext(false);
return(Task.CompletedTask);
});
public IObservable <IEnumerable <GitHubPullRequest> > GetPullRequests()
{
var key = $"{nameof(GitHubPullRequest)}.{_currentRepository.Id}";
return(_blob.GetAllKeys()
.Select(keys =>
{
if (keys.Contains(key))
{
return _blob.GetObject <IEnumerable <GitHubPullRequest> >(key).Wait();
}
_blob.InsertObject(key, new List <GitHubPullRequest>());
return Observable.Return(new List <GitHubPullRequest>()).Wait();
}));
}
/// <summary>
/// Invalidates all objects of the specified type. To invalidate all
/// objects regardless of type, use InvalidateAll.
/// </summary>
/// <typeparam name="T">The type of item to invalidate.</typeparam>
/// <param name="blobCache">The cache to invalidate.</param>
/// <returns>An observable that signals when the operation has finished.</returns>
/// <remarks>Returns a Unit for each invalidation completion. Use Wait instead of First to wait for
/// this.</remarks>
public static IObservable <Unit> InvalidateAllObjects <T>(this IBlobCache blobCache)
{
if (blobCache is null)
{
throw new ArgumentNullException(nameof(blobCache));
}
if (blobCache is IObjectBlobCache objCache)
{
return(objCache.InvalidateAllObjects <T>());
}
var ret = new AsyncSubject <Unit>();
blobCache.GetAllKeys()
.SelectMany(x =>
x.Where(y => y.StartsWith(GetTypePrefixedKey(string.Empty, typeof(T)), StringComparison.InvariantCulture))
.ToObservable())
.SelectMany(blobCache.Invalidate)
.Subscribe(
_ => { },
ex => ret.OnError(ex),
() =>
{
ret.OnNext(Unit.Default);
ret.OnCompleted();
});
return(ret);
}
public static void InvalidateAllObjects <T>(this IBlobCache This)
{
foreach (var key in This.GetAllKeys().Where(x => x.StartsWith(GetTypePrefixedKey("", typeof(T)))))
{
This.Invalidate(key);
}
}
/// <summary>
/// Return all objects of a specific Type in the cache.
/// </summary>
/// <returns>A Future result representing all objects in the cache
/// with the specified Type.</returns>
public static IObservable <IEnumerable <T> > GetAllObjects <T>(this IBlobCache This)
{
// NB: This isn't exactly thread-safe, but it's Close Enough(tm)
// We make up for the fact that the keys could get kicked out
// from under us via the Catch below
var matchingKeys = This.GetAllKeys()
.Where(x => x.StartsWith(GetTypePrefixedKey("", typeof(T))))
.ToArray();
return(matchingKeys.ToObservable()
.SelectMany(x => This.GetObjectAsync <T>(x, true).Catch(Observable.Empty <T>()))
.ToList()
.Select(x => (IEnumerable <T>)x));
}
public CacheService()
{
BlobCache.ApplicationName = KeyValues.AppName;
BlobCache.EnsureInitialized();
BlobCache.ForcedDateTimeKind = DateTimeKind.Utc;
_blob = BlobCache.LocalMachine;
_apiService = Locator.Current.GetService <IApiService>();
_blob.GetAllKeys().Subscribe(keys =>
{
if (keys is null || !keys.Any())
{
_blob.InsertObject(nameof(GitHubRepository), new List <GitHubRepository>());
}
});
}
/// <summary>
/// Return all objects of a specific Type in the cache.
/// </summary>
/// <param name="blobCache">The cache to get the items.</param>
/// <typeparam name="T">The type of item to get.</typeparam>
/// <returns>A Future result representing all objects in the cache
/// with the specified Type.</returns>
public static IObservable <IEnumerable <T> > GetAllObjects <T>(this IBlobCache blobCache)
{
if (blobCache is IObjectBlobCache objCache)
{
return(objCache.GetAllObjects <T>());
}
// NB: This isn't exactly thread-safe, but it's Close Enough(tm)
// We make up for the fact that the keys could get kicked out
// from under us via the Catch below
return(blobCache.GetAllKeys()
.SelectMany(x => x
.Where(y =>
y.StartsWith(GetTypePrefixedKey(string.Empty, typeof(T)), StringComparison.InvariantCulture))
.ToObservable())
.SelectMany(x => blobCache.GetObject <T>(x)
.Catch(Observable.Empty <T>()))
.ToList());
}
/// <summary>
/// Invalidates all objects of the specified type. To invalidate all
/// objects regardless of type, use InvalidateAll.
/// </summary>
/// <remarks>Returns a Unit for each invalidation completion. Use Wait instead of First to wait for
/// this.</remarks>
public static IObservable <Unit> InvalidateAllObjects <T>(this IBlobCache This)
{
var objCache = This as IObjectBlobCache;
if (objCache != null)
{
return(objCache.InvalidateAllObjects <T>());
}
var ret = new AsyncSubject <Unit>();
This.GetAllKeys().Where(x => x.StartsWith(GetTypePrefixedKey("", typeof(T))))
.ToObservable()
.SelectMany(This.Invalidate)
.Subscribe(
_ => { },
ex => ret.OnError(ex),
() => { ret.OnNext(Unit.Default); ret.OnCompleted(); });
return(ret);
}
/// <summary>
/// Return all objects of a specific Type in the cache.
/// </summary>
/// <returns>A Future result representing all objects in the cache
/// with the specified Type.</returns>
public static IObservable <IEnumerable <T> > GetAllObjects <T>(this IBlobCache This)
{
var objCache = This as IObjectBlobCache;
if (objCache != null)
{
return(objCache.GetAllObjects <T>());
}
// NB: This isn't exactly thread-safe, but it's Close Enough(tm)
// We make up for the fact that the keys could get kicked out
// from under us via the Catch below
return(This.GetAllKeys()
.SelectMany(x => x
.Where(y =>
y.StartsWith(GetTypePrefixedKey("", typeof(T))))
.ToObservable())
.SelectMany(x => This.GetObject <T>(x)
.Catch(Observable.Empty <T>()))
.ToList());
}
/// <summary>
/// Return all objects of a specific Type in the cache.
/// </summary>
/// <returns>A Future result representing all objects in the cache
/// with the specified Type.</returns>
public static IObservable <IEnumerable <T> > GetAllObjects <T>(this IBlobCache This)
{
var objCache = This as IObjectBlobCache;
if (objCache != null)
{
return(objCache.GetAllObjects <T>());
}
// NB: This isn't exactly thread-safe, but it's Close Enough(tm)
// We make up for the fact that the keys could get kicked out
// from under us via the Catch below
var matchingKeys = This.GetAllKeys()
.ToArray();
return(matchingKeys.ToObservable()
.SelectMany(x => This.GetObjectAsync <T>(x, true).Catch(Observable.Empty <T>()))
.ToList()
.Where(x => x is T)
.Select(x => (IEnumerable <T>)x));
}
public IObservable <IEnumerable <string> > GetAllKeys()
{
return(_inner.GetAllKeys());
}
public static async Task <IEnumerable <Destination> > GetDestinations()
{
var x = await Cache.GetAllKeys();
return(await Cache.GetAllObjects <Destination>());
}
public IEnumerable <string> GetAllKeys()
{
return(_inner.GetAllKeys());
}