Пример #1
0
        static void Main(string[] args)
        {
            List <TaskModel> tasksModel = new List <TaskModel>();
            string           comment    = "";

            ConsoleEx.WriteLine("Witam w Managerze Zadań ToDo".PadRight(50, '>').PadLeft(60, '<'), ConsoleColor.Red); //poprawic padleft i right
            ConsoleEx.WriteLine("W razie pomocy wpisz komendę HELP".PadRight(50, '>').PadLeft(60, '<'), ConsoleColor.Blue);
            do
            {
                ConsoleEx.Write("Wpisz komendę: ", ConsoleColor.Blue);

                comment = Console.ReadLine().ToLower();
                if (Enum.GetNames(typeof(Comments)).Contains(comment))
                {
                    if (comment == Comments.help.ToString())
                    {
                        ConsoleEx.Write("Lista dostępnych komend: ", ConsoleColor.Blue);
                        ConsoleEx.WriteLine(string.Join("; ", Enum.GetNames(typeof(Comments))), ConsoleColor.Yellow);
                    }
                    if (comment == Comments.add.ToString())
                    {
                        AddTask.Add(tasksModel);
                    }
                    if (comment == Comments.clear.ToString())
                    {
                        Console.Clear();
                    }
                    if (comment == Comments.remove.ToString())
                    {
                        RemoveTask.Delete(tasksModel);
                    }
                    if (comment == Comments.load.ToString())
                    {
                        LoaderTasks.Load(tasksModel);
                    }
                    if (comment == Comments.save.ToString())
                    {
                        SaveTasks.Save(tasksModel);
                    }
                    if (comment == Comments.show.ToString())
                    {
                        Show.ShowAll(tasksModel);
                    }
                    Console.WriteLine("hej");
                }
                else
                {
                    Console.WriteLine("Wpisałeś złą komendę");
                }
            } while (comment != "exit");
        }
Пример #2
0
        /// <summary>
        /// Saves the contents of this result set to a file using the IFileStreamFactory provided
        /// </summary>
        /// <param name="saveParams">Parameters for saving the results to a file</param>
        /// <param name="fileFactory">
        /// Factory for creating a stream reader/writer combo for writing results to disk
        /// </param>
        /// <param name="successHandler">Handler for a successful write of all rows</param>
        /// <param name="failureHandler">Handler for unsuccessful write of all rows</param>
        public void SaveAs(SaveResultsRequestParams saveParams, IFileStreamFactory fileFactory,
                           SaveAsAsyncEventHandler successHandler, SaveAsFailureAsyncEventHandler failureHandler)
        {
            // Sanity check the save params and file factory
            Validate.IsNotNull(nameof(saveParams), saveParams);
            Validate.IsNotNull(nameof(fileFactory), fileFactory);

            // Make sure the resultset has finished being read
            if (!hasCompletedRead)
            {
                throw new InvalidOperationException(SR.QueryServiceSaveAsResultSetNotComplete);
            }

            // Make sure there isn't a task for this file already
            Task existingTask;

            if (SaveTasks.TryGetValue(saveParams.FilePath, out existingTask))
            {
                if (existingTask.IsCompleted)
                {
                    // The task has completed, so let's attempt to remove it
                    if (!SaveTasks.TryRemove(saveParams.FilePath, out existingTask))
                    {
                        throw new InvalidOperationException(SR.QueryServiceSaveAsMiscStartingError);
                    }
                }
                else
                {
                    // The task hasn't completed, so we shouldn't continue
                    throw new InvalidOperationException(SR.QueryServiceSaveAsInProgress);
                }
            }

            // Create the new task
            Task saveAsTask = new Task(async() =>
            {
                try
                {
                    // Set row counts depending on whether save request is for entire set or a subset
                    long rowEndIndex  = RowCount;
                    int rowStartIndex = 0;
                    if (saveParams.IsSaveSelection)
                    {
                        // ReSharper disable PossibleInvalidOperationException  IsSaveSelection verifies these values exist
                        rowEndIndex   = saveParams.RowEndIndex.Value + 1;
                        rowStartIndex = saveParams.RowStartIndex.Value;
                        // ReSharper restore PossibleInvalidOperationException
                    }

                    using (var fileReader = fileFactory.GetReader(outputFileName))
                        using (var fileWriter = fileFactory.GetWriter(saveParams.FilePath))
                        {
                            // Iterate over the rows that are in the selected row set
                            for (long i = rowStartIndex; i < rowEndIndex; ++i)
                            {
                                var row = fileReader.ReadRow(fileOffsets[i], i, Columns);
                                fileWriter.WriteRow(row, Columns);
                            }
                            if (successHandler != null)
                            {
                                await successHandler(saveParams);
                            }
                        }
                }
                catch (Exception e)
                {
                    fileFactory.DisposeFile(saveParams.FilePath);
                    if (failureHandler != null)
                    {
                        await failureHandler(saveParams, e.Message);
                    }
                }
            });

            // Add exception handling to the save task
            Task taskWithHandling = saveAsTask.ContinueWithOnFaulted(async t =>
            {
                if (failureHandler != null)
                {
                    await failureHandler(saveParams, t.Exception.Message);
                }
            });

            // If saving the task fails, return a failure
            if (!SaveTasks.TryAdd(saveParams.FilePath, taskWithHandling))
            {
                throw new InvalidOperationException(SR.QueryServiceSaveAsMiscStartingError);
            }

            // Task was saved, so start up the task
            saveAsTask.Start();
        }