multiple signalr param; improvements, fixes, etc..

This commit is contained in:
Loretta 2024-06-21 14:32:04 +02:00
parent 4f600852c8
commit 50869e4754
8 changed files with 1417 additions and 2 deletions

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@ -14,7 +14,10 @@
<ItemGroup> <ItemGroup>
<PackageReference Include="DevExpress.Blazor" Version="23.2.3" /> <PackageReference Include="DevExpress.Blazor" Version="23.2.3" />
<PackageReference Include="DevExpress.Blazor.Dashboard" Version="23.2.3" /> <PackageReference Include="DevExpress.Blazor.Dashboard" Version="23.2.3" />
<PackageReference Include="MessagePack" Version="2.5.168" />
<PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="8.0.6" /> <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="8.0.6" />
<PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="8.0.6" />
<PackageReference Include="Microsoft.AspNetCore.SignalR.Common" Version="8.0.6" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>

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@ -1,8 +1,8 @@
using Microsoft.AspNetCore.Components; using Microsoft.AspNetCore.Components;
namespace AyCode.Blazor.Components namespace AyCode.Blazor.Components.Components
{ {
public class ACComponent : ComponentBase public class AcComponent : ComponentBase
{ {
} }
} }

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@ -0,0 +1,78 @@
using DevExpress.Blazor;
using DevExpress.Data.Filtering;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using AyCode.Core.Interfaces;
using DevExpress.Data.Filtering.Helpers;
using DevExpress.Data.Linq;
using DevExpress.Data.Linq.Helpers;
namespace AyCode.Blazor.Components.Services
{
//public class AcGridDataSource<T> : GridCustomDataSource where T : class, IId<Guid>
//{
// private static readonly AcSignalRDataSource<T> _signalRDataSource;
// public AcGridDataSource(AcSignalRDataSource<T> signalRDataSource)
// {
// _signalRDataSource = signalRDataSource;
// }
// public override async Task<int> GetItemCountAsync(GridCustomDataSourceCountOptions options, CancellationToken cancellationToken)
// {
// return await ApplyFiltering(options.FilterCriteria, _signalRDataSource.For<T>()).Count().FindScalarAsync<int>(cancellationToken);
// }
// public override async Task<IList> GetItemsAsync(GridCustomDataSourceItemsOptions options, CancellationToken cancellationToken)
// {
// var filteredClient = ApplyFiltering(options.FilterCriteria, _signalRDataSource.For<T>().Top(options.Count).Skip(options.StartIndex));
// return (await ApplySorting(options, filteredClient).FindEntriesAsync(cancellationToken)).ToList();
// }
// private static IBoundClient<T> ApplyFiltering(CriteriaOperator criteria, IBoundClient<T> boundClient)
// {
// //return !criteria.ReferenceEqualsNull() ? boundClient.Filter(ToSimpleClientCriteria(criteria)) : boundClient;
// CriteriaToExpressionConverter converter = new CriteriaToExpressionConverter();
// //IQueryable<T> source = null!;
// IQueryable<T>? filteredData = _signalRDataSource.AsQueryable().AppendWhere(converter, criteria) as IQueryable<T>;
// gridControl1.DataSource = null;
// gridControl1.DataSource = filteredData.ToList();
// }
// private static string ToSimpleClientCriteria(CriteriaOperator criteria)
// => $"{criteria}".Replace("[", "").Replace("]", "");
// private static IBoundClient<T> ApplySorting(GridCustomDataSourceItemsOptions options, IBoundClient<T> boundClient)
// {
// return options.SortInfo.Any()
// ? boundClient.OrderBy(options.SortInfo
// .Where(info => !info.DescendingSortOrder).Select(info => info.FieldName).ToArray())
// .OrderByDescending(options.SortInfo
// .Where(info => info.DescendingSortOrder).Select(info => info.FieldName).ToArray())
// : boundClient;
// }
// public async Task DeleteAsync(T instance)
// => await _signalRDataSource.For<T>().Key(instance.Id).DeleteEntryAsync();
// public async Task AddOrUpdateAsync(T instance, bool update = false)
// {
// if (!update)
// {
// await _signalRDataSource.For<T>().Set(new { instance.Title, instance.Content }).InsertEntryAsync();
// }
// else
// {
// await _signalRDataSource.For<T>().Key(instance.Id).Set(instance).UpdateEntryAsync();
// }
// }
//}
}

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@ -0,0 +1,247 @@
using System.Collections.Concurrent;
using AyCode.Core;
using AyCode.Core.Extensions;
using AyCode.Core.Helpers;
using AyCode.Core.Loggers;
using AyCode.Services.Loggers;
using AyCode.Services.SignalRs;
using MessagePack.Resolvers;
using Microsoft.AspNetCore.SignalR.Client;
namespace AyCode.Blazor.Components.Services
{
public abstract class AcSignalRClientBase : IAcSignalRHubClient
{
private readonly ConcurrentDictionary<int, object?> _responseByRequestId = new();
protected readonly HubConnection HubConnection;
protected readonly AcLoggerBase Logger;
public event Action<int, byte[], int?> OnMessageReceived = null!;
//public event Action<int, int> OnMessageRequested;
public int Timeout = 10000;
protected AcSignalRClientBase(string fullHubName, AcLoggerBase logger)
{
Logger = logger;
HubConnection = new HubConnectionBuilder()
.WithUrl(fullHubName)
//.AddMessagePackProtocol(options => {
// options.SerializerOptions = MessagePackSerializerOptions.Standard
// .WithResolver(MessagePack.Resolvers.StandardResolver.Instance)
// .WithSecurity(MessagePackSecurity.UntrustedData)
// .WithCompression(MessagePackCompression.Lz4Block)
// .WithCompressionMinLength(256);})
.Build();
HubConnection.Closed += HubConnection_Closed;
_ = HubConnection.On<int, byte[], int?>(nameof(IAcSignalRHubClient.OnReceiveMessage), OnReceiveMessage);
//_ = HubConnection.On<int, int>(nameof(IAcSignalRHubClient.OnRequestMessage), OnRequestMessage);
HubConnection.StartAsync().Forget();
}
private Task HubConnection_Closed(Exception? arg)
{
if (_responseByRequestId.IsEmpty) Logger.DebugConditional($"Client HubConnection_Closed");
else Logger.Warning($"Client HubConnection_Closed; {nameof(_responseByRequestId)} count: {_responseByRequestId.Count}");
_responseByRequestId.Clear();
return Task.CompletedTask;
}
public async Task StartConnection()
{
if (HubConnection.State == HubConnectionState.Disconnected)
await HubConnection.StartAsync();
if (HubConnection.State != HubConnectionState.Connected)
await TaskHelper.WaitToAsync(() => HubConnection.State == HubConnectionState.Connected, Timeout, 25);
}
public async Task StopConnection()
{
await HubConnection.StopAsync();
await HubConnection.DisposeAsync();
}
public virtual Task SendMessageToServerAsync(int messageTag)
=> SendMessageToServerAsync(messageTag, null, AcDomain.NextUniqueInt32);
public virtual async Task SendMessageToServerAsync(int messageTag, ISignalRMessage? message, int? requestId)
{
Logger.DebugConditional($"Client SendMessageToServerAsync; {nameof(messageTag)}: {messageTag}; {nameof(requestId)}: {requestId};");
await StartConnection();
var msgp = message?.ToMessagePack(ContractlessStandardResolver.Options);
HubConnection.SendAsync(nameof(IAcSignalRHubClient.OnReceiveMessage), messageTag, msgp, requestId).Forget();
}
#region CRUD
public virtual Task<TResponseData?> GetByIdAsync<TResponseData>(int messageTag, params Guid[] ids) where TResponseData : class
=> SendMessageToServerAsync<TResponseData>(messageTag, new SignalPostJsonDataMessage<IdMessage>(new IdMessage(ids)), AcDomain.NextUniqueInt32);
public virtual Task GetByIdAsync<TResponseData>(int messageTag, Action<ISignalResponseMessage<TResponseData?>> responseCallback, params Guid[] ids)
=> SendMessageToServerAsync(messageTag, new SignalPostJsonDataMessage<IdMessage>(new IdMessage(ids)), responseCallback);
public virtual Task<TResponseData?> GetAllAsync<TResponseData>(int messageTag) where TResponseData : class
=> SendMessageToServerAsync<TResponseData>(messageTag);
public virtual Task GetAllAsync<TResponseData>(int messageTag, Action<ISignalResponseMessage<TResponseData?>> responseCallback)
=> SendMessageToServerAsync(messageTag, null, responseCallback);
public virtual Task GetAllAsync<TResponseData>(int messageTag, Action<ISignalResponseMessage<TResponseData?>> responseCallback, params Guid[]? contextIds)
=> SendMessageToServerAsync(messageTag, (contextIds == null || contextIds.Length == 0 ? null : new SignalPostJsonDataMessage<IdMessage>(new IdMessage(contextIds))), responseCallback);
public virtual Task<TResponseData?> GetAllAsync<TResponseData>(int messageTag, params Guid[]? contextIds) where TResponseData : class
=> SendMessageToServerAsync<TResponseData>(messageTag, contextIds == null || contextIds.Length == 0 ? null : new SignalPostJsonDataMessage<IdMessage>(new IdMessage(contextIds)), AcDomain.NextUniqueInt32);
public virtual Task<TPostData?> PostDataAsync<TPostData>(int messageTag, TPostData postData) where TPostData : class
=> SendMessageToServerAsync<TPostData>(messageTag, new SignalPostJsonDataMessage<TPostData>(postData), AcDomain.NextUniqueInt32);
public virtual Task PostDataAsync<TPostData>(int messageTag, TPostData postData, Action<ISignalResponseMessage<TPostData?>> responseCallback) where TPostData : class
=> SendMessageToServerAsync(messageTag, new SignalPostJsonDataMessage<TPostData>(postData), responseCallback);
#endregion CRUD
public virtual Task<TResponse?> SendMessageToServerAsync<TResponse>(int messageTag) where TResponse : class
=> SendMessageToServerAsync<TResponse>(messageTag, null, AcDomain.NextUniqueInt32);
public virtual Task<TResponse?> SendMessageToServerAsync<TResponse>(int messageTag, ISignalRMessage? message) where TResponse : class
=> SendMessageToServerAsync<TResponse>(messageTag, message, AcDomain.NextUniqueInt32);
protected virtual async Task<TResponse?> SendMessageToServerAsync<TResponse>(int messageTag, ISignalRMessage? message, int requestId) where TResponse : class
{
Logger.DebugConditional($"Client SendMessageToServerAsync<TResult>; {nameof(messageTag)}: {messageTag}; {nameof(requestId)}: {requestId};");
_responseByRequestId[requestId] = null;
await SendMessageToServerAsync(messageTag, message, requestId);
try
{
if (await TaskHelper.WaitToAsync(() => _responseByRequestId[requestId] != null, Timeout, 25) &&
_responseByRequestId.TryRemove(requestId, out var obj) && obj is ISignalResponseMessage<string> responseMessage)
{
if (responseMessage.Status == SignalResponseStatus.Error || responseMessage.ResponseData == null)
{
var errorText = $"Client SendMessageToServerAsync<TResponseData> response error; await; tag: {messageTag}; Status: {responseMessage.Status}; requestId: {requestId};";
Logger.Error(errorText);
//TODO: Ideiglenes, majd a ResponseMessage-et kell visszaadni a Status miatt! - J.
throw new Exception(errorText);
//return default;
}
return responseMessage.ResponseData.JsonTo<TResponse>();
}
}
catch (Exception ex)
{
Logger.Error($"SendMessageToServerAsync; messageTag: {messageTag}; requestId: {requestId}; {ex.Message}", ex);
}
_responseByRequestId.TryRemove(requestId, out _);
return default;
}
public virtual Task SendMessageToServerAsync<TResponseData>(int messageTag, Action<ISignalResponseMessage<TResponseData?>> responseCallback)
=> SendMessageToServerAsync(messageTag, null, responseCallback);
public virtual Task SendMessageToServerAsync<TResponseData>(int messageTag, ISignalRMessage? message, Action<ISignalResponseMessage<TResponseData?>> responseCallback)
{
if (messageTag == 0)
Logger.Error($"SendMessageToServerAsync; messageTag == 0");
var requestId = AcDomain.NextUniqueInt32;
_responseByRequestId[requestId] = new Action<ISignalResponseMessage<string>>(responseMessage =>
{
TResponseData? responseData = default;
if (responseMessage.Status == SignalResponseStatus.Success)
{
responseData = string.IsNullOrEmpty(responseMessage.ResponseData) ? default : responseMessage.ResponseData.JsonTo<TResponseData?>();
}
else Logger.Error($"Client SendMessageToServerAsync<TResponseData> response error; callback; tag: {messageTag}; Status: {responseMessage.Status}; requestId: {requestId};");
responseCallback(new SignalResponseMessage<TResponseData?>(responseMessage.Status, responseData));
});
return SendMessageToServerAsync(messageTag, message, requestId);
}
public virtual Task OnReceiveMessage(int messageTag, byte[] message, int? requestId)
{
var logText = $"Client OnReceiveMessage; {nameof(messageTag)}: {messageTag}; {nameof(requestId)}: {requestId};";
if (message.Length == 0) Logger.Warning($"message.Length == 0! {logText}");
else Logger.Info(logText);
try
{
if (requestId.HasValue && _responseByRequestId.ContainsKey(requestId.Value))
{
var reqId = requestId.Value;
var responseMessage = message.MessagePackTo<SignalResponseJsonMessage>(ContractlessStandardResolver.Options);
switch (_responseByRequestId[reqId])
{
case null:
_responseByRequestId[reqId] = responseMessage;
return Task.CompletedTask;
case Action<ISignalResponseMessage<string>> messagePackCallback:
_responseByRequestId.TryRemove(reqId, out _);
messagePackCallback.Invoke(responseMessage);
return Task.CompletedTask;
//case Action<string> jsonCallback:
// _responseByRequestId.TryRemove(reqId, out _);
// jsonCallback.Invoke(responseMessage);
// return Task.CompletedTask;
default:
Logger.Error($"Client OnReceiveMessage switch; unknown message type: {_responseByRequestId[reqId]?.GetType().Name}");
break;
}
_responseByRequestId.TryRemove(reqId, out _);
}
OnMessageReceived(messageTag, message, requestId);
}
catch (Exception ex)
{
if (requestId.HasValue)
_responseByRequestId.TryRemove(requestId.Value, out _);
Logger.Error($"Client OnReceiveMessage; messageTag: {messageTag}; requestId: {requestId}; {ex.Message}", ex);
throw;
}
return Task.CompletedTask;
}
//public virtual Task OnRequestMessage(int messageTag, int requestId)
//{
// Logger.DebugConditional($"Client OnRequestMessage; {nameof(messageTag)}: {messageTag}; {nameof(requestId)}: {requestId};");
// try
// {
// OnMessageRequested(messageTag, requestId);
// }
// catch(Exception ex)
// {
// Logger.Error($"Client OnReceiveMessage; {nameof(messageTag)}: {messageTag}; {nameof(requestId)}: {requestId}; {ex.Message}", ex);
// throw;
// }
// return Task.CompletedTask;
//}
}
}

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using System.Collections;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using AyCode.Core.Enums;
using AyCode.Core.Extensions;
using AyCode.Core.Helpers;
using AyCode.Core.Interfaces;
using AyCode.Services.SignalRs;
namespace AyCode.Blazor.Components.Services
{
public class TrackingItem<T>(TrackingState trackingState, T currentValue, T? originalValue = null) where T : class, IId<Guid>
{
public TrackingState TrackingState { get; internal set; } = trackingState;
public T CurrentValue { get; internal set; } = currentValue;
public T? OriginalValue { get; init; } = originalValue;
internal TrackingItem<T> UpdateItem(TrackingState trackingState, T newValue)
{
CurrentValue = newValue;
if (TrackingState != TrackingState.Add)
TrackingState = trackingState;
return this;
}
}
public class ChangeTracking<T> /*: IEnumerable<TrackingItem<T>>*/ where T : class, IId<Guid>
{
private readonly List<TrackingItem<T>> _trackingItems = []; //TODO: Dictionary... - J.
internal TrackingItem<T>? AddTrackingItem(TrackingState trackingState, T newValue, T? originalValue = null)
{
if (newValue.Id.IsNullOrEmpty()) throw new ArgumentNullException(nameof(newValue), $@"currentValue.Id.IsNullOrEmpty()");
var itemIndex = _trackingItems.FindIndex(x => x.CurrentValue.Id == newValue.Id);
TrackingItem<T>? trackingItem = null;
if (itemIndex > -1)
{
trackingItem = _trackingItems[itemIndex];
if (trackingState == TrackingState.Remove && trackingItem.TrackingState == TrackingState.Add)
{
_trackingItems.RemoveAt(itemIndex);
return null;
}
return trackingItem.UpdateItem(trackingState, newValue);
}
if (originalValue != null && Equals(newValue, originalValue))
originalValue = TrackingItemHelpers.JsonClone(originalValue);
trackingItem = new TrackingItem<T>(trackingState, newValue, originalValue);
_trackingItems.Add(trackingItem);
return trackingItem;
}
public int Count => _trackingItems.Count;
internal void Clear() => _trackingItems.Clear();
public List<TrackingItem<T>> ToList() => _trackingItems.ToList();
public bool TryGetTrackingItem(Guid id, [NotNullWhen(true)] out TrackingItem<T>? trackingItem)
{
trackingItem = _trackingItems.FirstOrDefault(x => x.CurrentValue.Id == id);
return trackingItem != null;
}
internal void Remove(TrackingItem<T> trackingItem) => _trackingItems.Remove(trackingItem);
//public IEnumerator<TrackingItem<T>> GetEnumerator()
//{
// return _trackingItems.GetEnumerator();
//}
//IEnumerator IEnumerable.GetEnumerator()
//{
// return GetEnumerator();
//}
}
[Serializable]
[DebuggerDisplay("Count = {Count}")]
public class AcSignalRDataSource<T> : IList<T>, IList, IReadOnlyList<T> where T : class, IId<Guid>
{
private readonly object _syncRoot = new();
protected readonly List<T> InnerList = []; //TODO: Dictionary??? - J.
protected readonly ChangeTracking<T> TrackingItems = new();
protected readonly Guid[]? ContextIds;
public AcSignalRClientBase SignalRClient;
protected readonly SignalRCrudTags SignalRCrudTags;
public Func<ItemChangedEventArgs<T>, Task>? OnDataSourceItemChanged;
public Func<Task>? OnDataSourceLoaded;
public AcSignalRDataSource(AcSignalRClientBase signalRClient, SignalRCrudTags signalRCrudTags, params Guid[]? contextIds)
{
if (contextIds?.Length > 0) ContextIds = contextIds;
SignalRCrudTags = signalRCrudTags;
SignalRClient = signalRClient;
}
public bool IsSynchronized => true;
public object SyncRoot => _syncRoot;
public bool IsFixedSize => false;
/// <summary>
/// GetAllMessageTag
/// </summary>
/// <exception cref="ArgumentException"></exception>
/// <exception cref="NullReferenceException"></exception>
public async Task LoadDataSource(bool clearChangeTracking = true)
{
if (SignalRCrudTags.GetAllMessageTag == AcSignalRTags.None) throw new ArgumentException($"SignalRCrudTags.GetAllMessageTag == SignalRTags.None");
var resultList = (await SignalRClient.GetAllAsync<List<T>>(SignalRCrudTags.GetAllMessageTag, ContextIds)) ?? throw new NullReferenceException();
await LoadDataSource(resultList);
}
public Task LoadDataSourceAsync(bool clearChangeTracking = true)
{
if (SignalRCrudTags.GetAllMessageTag == AcSignalRTags.None) throw new ArgumentException($"SignalRCrudTags.GetAllMessageTag == SignalRTags.None");
return SignalRClient.GetAllAsync<List<T>>(SignalRCrudTags.GetAllMessageTag, result=>
{
if (result.Status != SignalResponseStatus.Success || result.ResponseData == null)
throw new NullReferenceException($"LoadDataSourceAsync; result.Status != SignalResponseStatus.Success || result.ResponseData == null; Status: {SignalResponseStatus.Success}");
LoadDataSource(result.ResponseData).Forget();
}, ContextIds);
}
public async Task LoadDataSource(IList<T> fromSource, bool clearChangeTracking = true)
{
Monitor.Enter(_syncRoot);
try
{
Clear(clearChangeTracking);
foreach (var item in fromSource)
{
InnerList.Add(item);
var eventArgs = new ItemChangedEventArgs<T>(item, TrackingState.GetAll);
if (OnDataSourceItemChanged != null) await OnDataSourceItemChanged.Invoke(eventArgs);
}
}
finally
{
Monitor.Exit(_syncRoot);
}
if (OnDataSourceLoaded != null) await OnDataSourceLoaded.Invoke();
}
public async Task<T?> LoadItem(Guid id)
{
if (SignalRCrudTags.GetItemMessageTag == AcSignalRTags.None) throw new ArgumentException($"SignalRCrudTags.GetItemMessageTag == SignalRTags.None");
T? resultitem = null;
Monitor.Enter(_syncRoot);
try
{
resultitem = await SignalRClient.GetByIdAsync<T>(SignalRCrudTags.GetItemMessageTag, id);
if (resultitem == null) return null;
if (TryGetIndex(id, out var index)) InnerList[index] = resultitem;
else InnerList.Add(resultitem);
var eventArgs = new ItemChangedEventArgs<T>(resultitem, TrackingState.Get);
if (OnDataSourceItemChanged != null) await OnDataSourceItemChanged.Invoke(eventArgs);
}
finally
{
Monitor.Exit(_syncRoot);
}
return resultitem;
}
/// <summary>
/// set: UpdateMessageTag
/// </summary>
/// <param name="index"></param>
/// <returns></returns>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public T this[int index]
{
get
{
if ((uint)index >= (uint)Count) throw new ArgumentOutOfRangeException(nameof(index));
Monitor.Enter(_syncRoot);
try
{
return InnerList[index];
}
finally
{
Monitor.Exit(_syncRoot);
}
}
set
{
Monitor.Enter(_syncRoot);
try
{
UpdateUnsafe(index, value);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
}
public void Add(T newValue)
{
if (newValue.Id.IsNullOrEmpty()) throw new ArgumentNullException(nameof(newValue), @"Add->newValue.Id.IsNullOrEmpty()");
Monitor.Enter(_syncRoot);
try
{
if (Contains(newValue))
throw new ArgumentException($@"It already contains this Id! Id: {newValue.Id}", nameof(newValue));
UnsafeAdd(newValue);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
/// <summary>
/// AddMessageTag
/// </summary>
/// <param name="newValue"></param>
/// <param name="autoSave"></param>
/// <exception cref="ArgumentException"></exception>
public async Task<T> Add(T newValue, bool autoSave)
{
Monitor.Enter(_syncRoot);
try
{
Add(newValue);
return autoSave ? await SaveItem(newValue, TrackingState.Add) : newValue;
}
finally
{
Monitor.Exit(_syncRoot);
}
}
/// <summary>
/// AddMessageTag or UpdateMessageTag
/// </summary>
/// <param name="newValue"></param>
/// <param name="autoSave"></param>
/// <returns></returns>
public async Task<T> AddOrUpdate(T newValue, bool autoSave)
{
if (newValue.Id.IsNullOrEmpty()) throw new ArgumentNullException(nameof(newValue), @"AddOrUpdate->newValue.Id.IsNullOrEmpty()");
Monitor.Enter(_syncRoot);
try
{
var index = IndexOf(newValue);
return index > -1 ? await Update(index, newValue, autoSave) : await Add(newValue, autoSave);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
//public void AddRange(IEnumerable<T> collection)
//{
// lock (_syncRoot)
// {
// }
//}
protected void UnsafeAdd(T newValue)
{
TrackingItems.AddTrackingItem(TrackingState.Add, newValue);
InnerList.Add(newValue);
}
/// <summary>
/// AddMessageTag
/// </summary>
/// <param name="index"></param>
/// <param name="newValue"></param>
/// <param name="autoSave"></param>
/// <exception cref="ArgumentException"></exception>
/// <exception cref="NullReferenceException"></exception>
public void Insert(int index, T newValue)
{
if (newValue.Id.IsNullOrEmpty()) throw new ArgumentNullException(nameof(newValue), @"Insert->newValue.Id.IsNullOrEmpty()");
Monitor.Enter(_syncRoot);
try
{
if (Contains(newValue))
throw new ArgumentException($@"Insert; It already contains this Id! Id: {newValue.Id}", nameof(newValue));
TrackingItems.AddTrackingItem(TrackingState.Add, newValue);
InnerList.Insert(index, newValue);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public async Task<T> Insert(int index, T newValue, bool autoSave)
{
Monitor.Enter(_syncRoot);
try
{
Insert(index, newValue);
return autoSave ? await SaveItem(newValue, TrackingState.Add) : newValue;
}
finally
{
Monitor.Exit(_syncRoot);
}
}
/// <summary>
/// UpdateMessageTag
/// </summary>
/// <param name="newItem"></param>
/// <param name="autoSave"></param>
public Task<T> Update(T newItem, bool autoSave) => Update(IndexOf(newItem), newItem, autoSave);
/// <summary>
/// UpdateMessageTag
/// </summary>
/// <param name="index"></param>
/// <param name="newValue"></param>
/// <param name="autoSave"></param>
/// /// <exception cref="ArgumentException"></exception>
/// /// <exception cref="NullReferenceException"></exception>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public async Task<T> Update(int index, T newValue, bool autoSave)
{
Monitor.Enter(_syncRoot);
try
{
UpdateUnsafe(index, newValue);
return autoSave ? await SaveItem(newValue, TrackingState.Update) : newValue;
}
finally
{
Monitor.Exit(_syncRoot);
}
}
private void UpdateUnsafe(int index, T newValue)
{
if (default(T) != null && newValue == null) throw new NullReferenceException(nameof(newValue));
if (newValue.Id.IsNullOrEmpty()) throw new ArgumentNullException(nameof(newValue), @"UpdateUnsafe->newValue.Id.IsNullOrEmpty()");
if ((uint)index >= (uint)Count) throw new ArgumentOutOfRangeException(nameof(index));
Monitor.Enter(_syncRoot);
try
{
var currentItem = InnerList[index];
if (currentItem.Id != newValue.Id)
throw new ArgumentException($@"UpdateUnsafe; currentItem.Id != item.Id! Id: {newValue.Id}", nameof(newValue));
TrackingItems.AddTrackingItem(TrackingState.Update, newValue, currentItem);
InnerList[index] = newValue;
}
finally
{
Monitor.Exit(_syncRoot);
}
}
/// <summary>
/// RemoveMessageTag
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public bool Remove(T item)
{
Monitor.Enter(_syncRoot);
try
{
var index = IndexOf(item);
if (index < 0) return false;
RemoveAt(index);
return true;
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public async Task<bool> Remove(T item, bool autoSave)
{
Monitor.Enter(_syncRoot);
try
{
var result = Remove(item);
if (!autoSave || !result) return result;
await SaveItem(item, TrackingState.Remove);
return true;
}
finally
{
Monitor.Exit(_syncRoot);
}
}
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="item"></param>
/// <returns></returns>
public bool TryRemove(Guid id, out T? item)
{
Monitor.Enter(_syncRoot);
try
{
return TryGetValue(id, out item) && Remove(item);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
/// <summary>
/// RemoveMessageTag
/// </summary>
/// <param name="index"></param>
/// <exception cref="ArgumentException"></exception>
/// /// <exception cref="ArgumentNullException"></exception>
/// <exception cref="NullReferenceException"></exception>
public void RemoveAt(int index)
{
Monitor.Enter(_syncRoot);
try
{
var currentItem = InnerList[index];
if (currentItem.Id.IsNullOrEmpty()) throw new ArgumentNullException(nameof(currentItem), $@"RemoveAt->item.Id.IsNullOrEmpty(); index: {index}");
TrackingItems.AddTrackingItem(TrackingState.Remove, currentItem, currentItem);
InnerList.RemoveAt(index);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public async Task RemoveAt(int index, bool autoSave)
{
Monitor.Enter(_syncRoot);
try
{
var currentItem = InnerList[index];
RemoveAt(index);
if (autoSave)
{
await SaveItem(currentItem, TrackingState.Remove);
}
}
finally
{
Monitor.Exit(_syncRoot);
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public List<TrackingItem<T>> GetTrackingItems()
{
Monitor.Enter(_syncRoot);
try
{
return TrackingItems.ToList();
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public void SetTrackingStateToUpdate(T item)
{
Monitor.Enter(_syncRoot);
try
{
if (TrackingItems.TryGetTrackingItem(item.Id, out var trackingItem))
{
if (trackingItem.TrackingState != TrackingState.Add)
trackingItem.TrackingState = TrackingState.Update;
return;
}
if (!TryGetValue(item.Id, out var originalItem)) return;
TrackingItems.AddTrackingItem(TrackingState.Update, item, originalItem);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="trackingItem"></param>
/// <returns></returns>
public bool TryGetTrackingItem(Guid id, [NotNullWhen(true)] out TrackingItem<T>? trackingItem)
{
Monitor.Enter(_syncRoot);
try
{
return TrackingItems.TryGetTrackingItem(id, out trackingItem);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
/// <summary>
///
/// </summary>
/// <returns>Unsaved items</returns>
public async Task<List<TrackingItem<T>>> SaveChanges()
{
Monitor.Enter(_syncRoot);
try
{
foreach (var trackingItem in TrackingItems.ToList())
{
try
{
await SaveTrackingItemUnsafe(trackingItem);
}
catch(Exception ex)
{
TryRollbackItem(trackingItem.CurrentValue.Id, out _);
}
}
return TrackingItems.ToList();
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public async Task SaveChangesAsync()
{
Monitor.Enter(_syncRoot);
try
{
foreach (var trackingItem in TrackingItems.ToList())
{
try
{
await SaveTrackingItemUnsafeAsync(trackingItem);
}
catch(Exception ex)
{
TryRollbackItem(trackingItem.CurrentValue.Id, out _);
}
}
}
finally
{
Monitor.Exit(_syncRoot);
}
}
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task<T> SaveItem(Guid id)
{
Monitor.Enter(_syncRoot);
try
{
T resultItem = null!;
if (TryGetTrackingItem(id, out var trackingItem))
resultItem = await SaveTrackingItemUnsafe(trackingItem);
if (resultItem == null) throw new NullReferenceException($"SaveItem; resultItem == null");
return resultItem;
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public async Task<T> SaveItem(Guid id, TrackingState trackingState)
{
//Monitor.Enter(_syncRoot);
try
{
T resultItem = null!;
if (TryGetValue(id, out var item))
resultItem = await SaveItem(item, trackingState);
if (resultItem == null) throw new NullReferenceException($"SaveItem; resultItem == null");
return resultItem;
}
finally
{
//Monitor.Exit(_syncRoot);
}
}
public Task<T> SaveItem(T item, TrackingState trackingState) => SaveItemUnsafe(item, trackingState);
protected Task<T> SaveTrackingItemUnsafe(TrackingItem<T> trackingItem)
=> SaveItemUnsafe(trackingItem.CurrentValue, trackingItem.TrackingState);
protected Task SaveTrackingItemUnsafeAsync(TrackingItem<T> trackingItem)
=> SaveItemUnsafeAsync(trackingItem.CurrentValue, trackingItem.TrackingState);
protected async Task<T> SaveItemUnsafe(T item, TrackingState trackingState)
{
var messageTag = SignalRCrudTags.GetMessageTagByTrackingState(trackingState);
if (messageTag == AcSignalRTags.None) throw new ArgumentException($"SaveItemUnsafe; messageTag == SignalRTags.None");
var result = await SignalRClient.PostDataAsync(messageTag, item);
if (result == null) throw new NullReferenceException($"SaveItemUnsafe; result == null");
await ProcessSavedResponseItem(result, trackingState);
return result;
}
protected Task SaveItemUnsafeAsync(T item, TrackingState trackingState)
{
var messageTag = SignalRCrudTags.GetMessageTagByTrackingState(trackingState);
if (messageTag == AcSignalRTags.None) return Task.CompletedTask;
return SignalRClient.PostDataAsync(messageTag, item, response =>
{
Monitor.Enter(_syncRoot);
try
{
if (response.Status != SignalResponseStatus.Success || response.ResponseData == null)
{
if (TryRollbackItem(item.Id, out _)) return;
throw new NullReferenceException($"SaveItemUnsafeAsync; result.Status != SignalResponseStatus.Success || result.ResponseData == null; Status: {SignalResponseStatus.Success}");
}
ProcessSavedResponseItem(response.ResponseData, trackingState).Forget();
}
finally
{
Monitor.Exit(_syncRoot);
}
});
}
private async Task ProcessSavedResponseItem(T? resultItem, TrackingState trackingState)
{
if (resultItem == null) return;
if (TryGetTrackingItem(resultItem.Id, out var trackingItem))
TrackingItems.Remove(trackingItem);
if (TryGetIndex(resultItem.Id, out var index))
InnerList[index] = resultItem;
var eventArgs = new ItemChangedEventArgs<T>(resultItem, trackingState);
if (OnDataSourceItemChanged != null) await OnDataSourceItemChanged.Invoke(eventArgs);
}
protected void RollbackItemUnsafe(TrackingItem<T> trackingItem)
{
if (TryGetIndex(trackingItem.CurrentValue.Id, out var index))
{
if (trackingItem.TrackingState == TrackingState.Add) InnerList.RemoveAt(index);
else InnerList[index] = trackingItem.OriginalValue!;
}
else if (trackingItem.TrackingState != TrackingState.Add)
InnerList.Add(trackingItem.OriginalValue!);
TrackingItems.Remove(trackingItem);
}
public bool TryRollbackItem(Guid id, out T? originalValue)
{
Monitor.Enter(_syncRoot);
try
{
if (TryGetTrackingItem(id, out var trackingItem))
{
originalValue = trackingItem.OriginalValue;
RollbackItemUnsafe(trackingItem);
return true;
}
originalValue = null;
return false;
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public void Rollback()
{
Monitor.Enter(_syncRoot);
try
{
foreach (var trackingItem in TrackingItems.ToList())
RollbackItemUnsafe(trackingItem);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public int Count
{
get
{
Monitor.Enter(_syncRoot);
try
{
return InnerList.Count;
}
finally
{
Monitor.Exit(_syncRoot);
}
}
}
public void Clear() => Clear(true);
public void Clear(bool clearChangeTracking)
{
Monitor.Enter(_syncRoot);
try
{
if (clearChangeTracking) TrackingItems.Clear();
InnerList.Clear();
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public int IndexOf(Guid id)
{
Monitor.Enter(_syncRoot);
try
{
return InnerList.FindIndex(x => x.Id == id);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public int IndexOf(T item) => IndexOf(item.Id);
public bool TryGetIndex(Guid id, out int index) => (index = IndexOf(id)) > -1;
public bool Contains(T item) => IndexOf(item) > -1;
public bool TryGetValue(Guid id, [NotNullWhen(true)] out T? item)
{
Monitor.Enter(_syncRoot);
try
{
item = InnerList.FirstOrDefault(x => x.Id == id);
return item != null;
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public void CopyTo(T[] array) => CopyTo(array, 0);
public void CopyTo(T[] array, int arrayIndex)
{
Monitor.Enter(_syncRoot);
try
{
InnerList.CopyTo(array, arrayIndex);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public int BinarySearch(int index, int count, T item, IComparer<T>? comparer)
{
throw new NotImplementedException($"BinarySearch");
if (index < 0)
throw new ArgumentOutOfRangeException(nameof(index));
if (count < 0)
throw new ArgumentOutOfRangeException(nameof(count));
if (Count - index < count)
throw new ArgumentException("Invalid length");
//Monitor.Enter(_syncRoot);
//try
//{
// return InnerList.BinarySearch(index, count, item, comparer);
//}
//finally
//{
// Monitor.Exit(_syncRoot);
//}
}
public int BinarySearch(T item) => BinarySearch(0, Count, item, null);
public int BinarySearch(T item, IComparer<T>? comparer) => BinarySearch(0, Count, item, comparer);
public IEnumerator<T> GetEnumerator()
{
Monitor.Enter(_syncRoot);
try
{
//return InnerList.ToList().GetEnumerator();
return InnerList.GetEnumerator();
}
finally
{
Monitor.Exit(_syncRoot);
}
}
public ReadOnlyCollection<T> AsReadOnly() => new(this);
private static bool IsCompatibleObject(object? value) => (value is T) || (value == null && default(T) == null);
#region IList, ICollection
bool IList.IsReadOnly => false;
object? IList.this[int index]
{
get => this[index];
set
{
if (default(T) != null && value == null) throw new NullReferenceException(nameof(value));
try
{
this[index] = (T)value!;
}
catch (InvalidCastException)
{
throw new InvalidCastException(nameof(value));
}
}
}
int IList.Add(object? item)
{
if (default(T) != null && item == null) throw new NullReferenceException(nameof(item));
try
{
Add((T)item!);
}
catch (InvalidCastException)
{
throw new InvalidCastException(nameof(item));
}
return Count - 1;
}
void IList.Clear() => Clear(true);
IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
bool IList.Contains(object? item) => IsCompatibleObject(item) && Contains((T)item!);
int IList.IndexOf(object? item) => (IsCompatibleObject(item)) ? IndexOf((T)item!) : -1;
void IList.Insert(int index, object? item)
{
if (default(T) != null && item == null) throw new NullReferenceException(nameof(item));
try
{
Insert(index, (T)item!);
}
catch (InvalidCastException)
{
throw new InvalidCastException(nameof(item));
}
}
void IList.Remove(object? item)
{
if (IsCompatibleObject(item)) Remove((T)item!);
}
void ICollection<T>.Clear() => Clear(true);
void ICollection.CopyTo(Array array, int arrayIndex)
{
if ((array != null) && (array.Rank != 1))
{
throw new ArgumentException();
}
try
{
Monitor.Enter(_syncRoot);
try
{
//TODO: _list.ToArray() - ez nem az igazi... - J.
Array.Copy(InnerList.ToArray(), 0, array!, arrayIndex, InnerList.Count);
}
finally
{
Monitor.Exit(_syncRoot);
}
}
catch (ArrayTypeMismatchException)
{
throw new ArrayTypeMismatchException();
}
}
int ICollection.Count => Count;
int ICollection<T>.Count => Count;
bool ICollection<T>.IsReadOnly => false;
void IList<T>.RemoveAt(int index) => RemoveAt(index);
int IReadOnlyCollection<T>.Count => Count;
#endregion IList, ICollection
}
public class ItemChangedEventArgs<T> where T : IId<Guid>
{
internal ItemChangedEventArgs(T item, TrackingState trackingState)
{
Item = item;
TrackingState = trackingState;
}
public T Item { get; }
public TrackingState TrackingState { get; }
}
}

View File

@ -0,0 +1,46 @@
using System.Reflection;
using AyCode.Core.Extensions;
namespace AyCode.Blazor.Components.Services;
public static class TrackingItemHelpers
{
public static T JsonClone<T>(T source) => source.ToJson().JsonTo<T>()!;
public static T ReflectionClone<T>(T source)
{
var type = source!.GetType();
if (type.IsPrimitive || typeof(string) == type)
return source;
if (type.IsArray)
{
var elementType = Type.GetType(type.FullName!.Replace("[]", string.Empty))!;
var array = (source as Array)!;
var cloned = Array.CreateInstance(elementType, array.Length);
for (var i = 0; i < array.Length; i++)
cloned.SetValue(ReflectionClone(array.GetValue(i)), i);
return (T)Convert.ChangeType(cloned, type);
}
var clone = Activator.CreateInstance(type);
while (type != null && type != typeof(object))
{
foreach (var field in type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance))
{
var fieldValue = field.GetValue(source);
if (fieldValue == null) continue;
field.SetValue(clone, ReflectionClone(fieldValue));
}
type = type.BaseType;
}
return (T)clone!;
}
}

View File

@ -54,4 +54,10 @@
<Folder Include="Loggers\" /> <Folder Include="Loggers\" />
</ItemGroup> </ItemGroup>
<ItemGroup>
<PackageReference Include="MessagePack" Version="2.5.168" />
<PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="8.0.6" />
<PackageReference Include="Microsoft.AspNetCore.SignalR.Common" Version="8.0.6" />
</ItemGroup>
</Project> </Project>

View File

@ -17,6 +17,12 @@
<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion> <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
</PropertyGroup> </PropertyGroup>
<ItemGroup>
<PackageReference Include="MessagePack" Version="2.5.168" />
<PackageReference Include="Microsoft.AspNetCore.SignalR.Client" Version="8.0.6" />
<PackageReference Include="Microsoft.AspNetCore.SignalR.Common" Version="8.0.6" />
</ItemGroup>
<ItemGroup> <ItemGroup>
<Reference Include="AyCode.Core"> <Reference Include="AyCode.Core">
<HintPath>..\..\AyCode.Core\AyCode.Services.Server\bin\Debug\net8.0\AyCode.Core.dll</HintPath> <HintPath>..\..\AyCode.Core\AyCode.Services.Server\bin\Debug\net8.0\AyCode.Core.dll</HintPath>