Merge pull request #69 from rprouse/issue/66

Update MediatR

Author: rprouse

src/todo.application/Commands/Add/AddTaskCommand.cs

@@ -0,0 +1,43 @@
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Alteridem.Todo.Domain.Entities;
+using Alteridem.Todo.Domain.Interfaces;
+using MediatR;
+
+namespace Alteridem.Todo.Application.Commands;
+
+public sealed class AddPriorityCommand : IRequest<TaskItem>
+{
+    public int ItemNumber { get; set; }
+
+    public char Priority { get; set; }
+}
+
+internal sealed class AddPriorityCommandHandler : IRequestHandler<AddPriorityCommand, TaskItem>
+{
+    private readonly ITaskFile _taskFile;
+    private readonly ITaskConfiguration _config;
+
+    public AddPriorityCommandHandler(ITaskFile taskFile, ITaskConfiguration config)
+    {
+        _taskFile = taskFile;
+        _config = config;
+    }
+
+    public Task<TaskItem> Handle(AddPriorityCommand request, CancellationToken cancellationToken)
+    {
+        var tasks = _taskFile.LoadTasks(_config.TodoFile);
+        var task = tasks.FirstOrDefault(t => t.LineNumber == request.ItemNumber);
+        if (task != null)
+        {
+            task.Priority = request.Priority;
+            _taskFile.Clear(_config.TodoFile);
+            foreach (var t in tasks.OrderBy(t => t.LineNumber))
+            {
+                _taskFile.AppendTo(_config.TodoFile, t.ToString());
+            }
+        }
+        return Task.FromResult(task);
+    }
+}

src/todo.application/Commands/AddPriorityCommand.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Alteridem.Todo.Domain.Entities;
+using Alteridem.Todo.Domain.Interfaces;
+using MediatR;
+
+namespace Alteridem.Todo.Application.Commands;
+
+public sealed class AddTaskCommand : IRequest<TaskItem>
+{
+    public string Filename { get; set; }
+
+    public string Task { get; set; }
+
+    public bool AddCreationDate { get; set; }
+}
+
+internal sealed class AddTaskCommandHandler : IRequestHandler<AddTaskCommand, TaskItem>
+{
+    private readonly ITaskFile _taskFile;
+
+    public AddTaskCommandHandler(ITaskFile taskFile)
+    {
+        _taskFile = taskFile;
+    }
+
+    public Task<TaskItem> Handle(AddTaskCommand request, CancellationToken cancellationToken)
+    {
+        var task = new TaskItem(request.Task);
+        if (request.AddCreationDate) task.CreationDate = DateTime.Now.Date;
+        var taskStr = task.ToString();
+
+        _taskFile.AppendTo(request.Filename, taskStr);
+
+        task.LineNumber = _taskFile.LoadTasks(request.Filename).Count;
+
+        return Task.FromResult(task);
+    }
+}

src/todo.application/Commands/AddTaskCommand.cs

@@ -0,0 +1,42 @@
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Alteridem.Todo.Domain.Entities;
+using Alteridem.Todo.Domain.Interfaces;
+using MediatR;
+
+namespace Alteridem.Todo.Application.Commands;
+
+public sealed class AppendCommand : IRequest<TaskItem>
+{
+    public int ItemNumber { get; set; }
+    public string Text { get; set; }
+}
+
+internal sealed class AppendCommandHandler : IRequestHandler<AppendCommand, TaskItem>
+{
+    private readonly ITaskFile _taskFile;
+    private readonly ITaskConfiguration _config;
+
+    public AppendCommandHandler(ITaskFile taskFile, ITaskConfiguration config)
+    {
+        _taskFile = taskFile;
+        _config = config;
+    }
+
+    public Task<TaskItem> Handle(AppendCommand request, CancellationToken cancellationToken)
+    {
+        var tasks = _taskFile.LoadTasks(_config.TodoFile);
+        var task = tasks.FirstOrDefault(t => t.LineNumber == request.ItemNumber);
+        if (task != null)
+        {
+            task.Description = task.Description + $" {request.Text.Trim()}";
+            _taskFile.Clear(_config.TodoFile);
+            foreach (var t in tasks.OrderBy(t => t.LineNumber))
+            {
+                _taskFile.AppendTo(_config.TodoFile, t.ToString());
+            }
+        }
+        return Task.FromResult(task);
+    }
+}

src/todo.application/Commands/Append/AppendCommand.cs

@@ -0,0 +1,44 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Alteridem.Todo.Domain.Entities;
+using Alteridem.Todo.Domain.Interfaces;
+using MediatR;
+
+namespace Alteridem.Todo.Application.Commands;
+
+public sealed class ArchiveTasksCommand : IRequest<IList<TaskItem>>
+{
+}
+
+internal sealed class ArchiveTasksCommandHandler : IRequestHandler<ArchiveTasksCommand, IList<TaskItem>>
+{
+    private readonly ITaskFile _taskFile;
+    private readonly ITaskConfiguration _config;
+
+    public ArchiveTasksCommandHandler(ITaskFile taskFile, ITaskConfiguration config)
+    {
+        _taskFile = taskFile;
+        _config = config;
+    }
+
+    public Task<IList<TaskItem>> Handle(ArchiveTasksCommand request, CancellationToken cancellationToken)
+    {
+        IList<TaskItem> completed = new List<TaskItem>();
+        var tasks = _taskFile.LoadTasks(_config.TodoFile);
+        _taskFile.Clear(_config.TodoFile);
+        foreach (var task in tasks)
+        {
+            if (task.Completed)
+            {
+                _taskFile.AppendTo(_config.DoneFile, task.ToString());
+                completed.Add(task);
+            }
+            else
+            {
+                _taskFile.AppendTo(_config.TodoFile, task.ToString());
+            }
+        }
+        return Task.FromResult(completed);
+    }
+}