/// <summary> /// TryGetById, Includes (Exclude) /// </summary> /// <param name="id"></param> /// <param name="onSuccess"></param> /// <param name="onFail"></param> /// <param name="state"></param> /// <returns></returns> public async Task TryGetById(int id, string includeProperties, Action <User, string> onSuccess, Action <Exception, string> onFail, CascadingAppStateProvider state) { try { string key = ("causality_User_trygetbyid_" + id).Replace(" ", "").ToLower(); User data = new(); bool getFromServer = false; string source = ""; if (state.AppState.UseIndexedDB) { var result = await _indexedDBManager.GetRecordByIndex <string, Blob>(new StoreIndexQuery <string> { Storename = _indexedDBManager.Stores[0].Name, IndexName = "key", QueryValue = key }); if (result is not null) { data = JsonConvert.DeserializeObject <User>(result.Value); source = "indexedDB"; } else if (await _onlineState.IsOnline()) { getFromServer = true; } else { throw new Exception("No connection"); } } else { getFromServer = true; } if (getFromServer) { UserRequestGetById req = new() { Id = id }; UserResponseGetById ret = await _userService.GetByIdAsync(req); if (ret.Success) { foreach (var includeProperty in includeProperties.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries)) { if (includeProperty.ToLower().Equals("exclude")) { ExcludeRequestGet _req = new() { Filter = "e => e.UserId = " + ret.User.Id, OrderBy = "Id", Ascending = true }; ExcludeResponseGet _ret = await _excludeService.GetAsync(_req); ret.User.Excludes.Add(_ret.Excludes); } } data = ret.User; source = ret.Status; if (state.AppState.UseIndexedDB) { await _indexedDBManager.AddRecord(new StoreRecord <Blob> { Storename = "Blobs", Data = new Blob() { Key = key, Value = JsonConvert.SerializeObject(data) } }); } } else { throw new Exception("No connection"); } } onSuccess(data, RequestCodes.TWO_ZERO_ZERO + ", recived 1 record from " + source); } catch (Exception e) { onFail(e, RequestCodes.FIVE_ZERO_ZERO); } }
/// <summary> /// TryGet, Includes (Exclude), OrderBy (Id, UID, IP, Name, Email, UpdatedDate) /// </summary> /// <param name="filter"></param> /// <param name="orderby"></param> /// <param name="ascending"></param> /// <param name="includeProperties"></param> /// <param name="onSuccess"></param> /// <param name="onFail"></param> /// <param name="state"></param> /// <returns></returns> public async Task TryGet(Expression <Func <User, bool> > filter, string orderby, bool ascending, string includeProperties, Action <IEnumerable <User>, string> onSuccess, Action <Exception, string> onFail, CascadingAppStateProvider state) { try { var serializer = new ExpressionSerializer(new BinarySerializer()); var bytes = serializer.SerializeBinary(filter); var predicateDeserialized = serializer.DeserializeBinary(bytes); string filterString = predicateDeserialized.ToString(); string key = ("causality_User_tryget_" + filterString + "_" + orderby + "_" + ascending.ToString()).Replace(" ", "").ToLower(); List <User> data = new(); bool getFromServer = false; string source = ""; if (state.AppState.UseIndexedDB) { var result = await _indexedDBManager.GetRecordByIndex <string, Blob>(new StoreIndexQuery <string> { Storename = _indexedDBManager.Stores[0].Name, IndexName = "key", QueryValue = key }); if (result is not null) { data = JsonConvert.DeserializeObject <List <User> >(result.Value); source = "indexedDB"; } else if (await _onlineState.IsOnline()) { getFromServer = true; } else { throw new Exception("No connection"); } } else { getFromServer = true; } if (getFromServer) { UserRequestGet req = new() { Filter = filterString, OrderBy = orderby, Ascending = ascending }; UserResponseGet ret = await _userService.GetAsync(req); if (ret.Success) { foreach (var includeProperty in includeProperties.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries)) { foreach (var item in ret.Users) { if (includeProperty.ToLower().Equals("exclude")) { ExcludeRequestGet _req = new() { Filter = "e => e.UserId = " + item.Id, OrderBy = "Id", Ascending = true }; ExcludeResponseGet _ret = await _excludeService.GetAsync(_req); item.Excludes.Add(_ret.Excludes); } } } data = ret.Users.ToList(); source = ret.Status; if (state.AppState.UseIndexedDB) { await _indexedDBManager.AddRecord(new StoreRecord <Blob> { Storename = "Blobs", Data = new Blob() { Key = key, Value = JsonConvert.SerializeObject(data) } }); } } else { throw new Exception("No connection"); } } onSuccess(data, RequestCodes.TWO_ZERO_ZERO + ", recived " + data.Count.ToString() + " record from " + source); } catch (Exception e) { onFail(e, RequestCodes.FIVE_ZERO_ZERO); } }