117 lines
4.3 KiB
C#
117 lines
4.3 KiB
C#
using System.Diagnostics;
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using AyCode.Core.Enums;
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using AyCode.Core.Helpers;
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using AyCode.Core.Interfaces;
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using AyCode.Services.SignalRs;
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using TIAM.Services;
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using TIAMWebApp.Shared.Application.Services;
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namespace TIAMWebApp.Shared.Application.Utility;
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[Serializable]
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[DebuggerDisplay("Count = {Count}")]
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public class SignalRDataSourceAsync<T> : SignalRDataSource<T> where T : class, IId<Guid>
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{
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public Action<ItemChangedEventArgs<T>>? OnItemChanged;
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public Action<SignalRDataSourceAsync<T>>? OnDataSourceLoaded;
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public SignalRDataSourceAsync(AcSignalRClientBase signalRClient, SignalRCrudTags signalRCrudTags, Guid? contextId = null, Action<SignalRDataSourceAsync<T>>? onDataSourceLoaded = null, bool autoLoadDataSource = false)
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: base(signalRClient, signalRCrudTags, contextId, false)
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{
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OnDataSourceLoaded = onDataSourceLoaded;
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if (autoLoadDataSource) LoadDataSourceAsync();
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}
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public void LoadDataSourceAsync(bool clearChangeTracking = true)
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{
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if (SignalRCrudTags.GetAllMessageTag == SignalRTags.None) throw new ArgumentException($"_signalRCrudTags.GetAllMessageTag == SignalRTags.None;");
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Monitor.Exit(SyncRoot); //Exception test - J.
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Monitor.Enter(SyncRoot);
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try
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{
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SignalRClient.GetAllAsync<List<T>>(SignalRCrudTags.GetAllMessageTag, ContextId, response =>
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{
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try
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{
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if (response.Status == SignalResponseStatus.Error) throw new Exception($"LoadDataSourceAsync; response.Status == SignalResponseStatus.Error");
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if (response.ResponseData == null) throw new NullReferenceException($"response.ResponseData == null");
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Clear(clearChangeTracking);
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InnerList.AddRange(response.ResponseData);
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}
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finally
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{
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Monitor.Exit(SyncRoot);
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}
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OnDataSourceLoaded?.Invoke(this);
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}).Forget();
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}
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catch (Exception)
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{
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Monitor.Exit(SyncRoot);
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throw;
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}
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}
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//public T Add(T item, int messageTag) => PostDataToServerAsync(item, messageTag, TrackingState.Add).GetAwaiter().GetResult();
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//public Task AddAsync(T item, int messageTag) => PostDataToServerAsync(item, messageTag, TrackingState.Add);
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//public Task UpdateAsync(T item, int messageTag) => PostDataToServerAsync(item, messageTag, TrackingState.Update);
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//public Task RemoveAsync(T item, int messageTag) => PostDataToServerAsync(item, messageTag, TrackingState.Remove);
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//public Task RemoveAsync(Guid id, int messageTag)
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//{
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// var item = _list.FirstOrDefault(x => x.Id == id);
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// return item == null ? Task.CompletedTask : RemoveAsync(item, messageTag);
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//}
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//protected virtual Task PostDataToServerAsync(T item, int messageTag, TrackingState trackingState)
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//{
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// if (messageTag == 0) return Task.CompletedTask;
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// logger.Info($"{_listLogName} PostDataToServerAsync called; transferId " + item.Id);
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// if (item.Id.IsNullOrEmpty()) item.Id = Guid.NewGuid();
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// _list.UpdateCollection(item, trackingState == TrackingState.Remove); //egyből látszódik a változás a grid-ben, nem csak a callback lefutásakor! felhasználóbarátabb... - J.
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// await _signalRClient.PostDataAsync(messageTag, item, async repsonse =>
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// {
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// if (repsonse.Status != SignalResponseStatus.Success || repsonse.ResponseData == null)
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// {
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// RefreshDataSourceAsync().Forget();
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// return;
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// }
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// _list.UpdateCollection(repsonse.ResponseData, trackingState == TrackingState.Remove);
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// var eventArgs = new ItemChangedEventArgs<T>(repsonse.ResponseData, trackingState);
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// OnItemChanged.Invoke(eventArgs);
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// });
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// //transfer = await devAdminSignalClient.PostDataAsync(SignalRTags.UpdateTransferAsync, transfer);
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// return Task.CompletedTask;
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//}
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public class ItemChangedEventArgs<T> where T : IId<Guid>
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{
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internal ItemChangedEventArgs(T item, TrackingState trackingState)
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{
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Item = item;
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TrackingState = trackingState;
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}
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public T Item { get; }
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public TrackingState TrackingState { get; }
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}
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} |