public async Task <AttachFileToTaskResponse> Handle(AttachFileToTaskCommand request,
CancellationToken cancellationToken)
{
if (!request.FileId.HasValue && string.IsNullOrEmpty(request.FilePath))
{
throw new ArgumentException();
}
using (var connection = this._writeModelStore.OpenConnection())
{
Guid fileId;
var fileExistedBefore = false;
if (!request.FileId.HasValue && !string.IsNullOrEmpty(request.FilePath))
{
var fileCreateCommand = new StoreFileCommand(request.FilePath);
var fileInStore = await FileCommandHandler.GetOrCreateFileAsync(fileCreateCommand,
this.AggregateRepository, connection, this.GuidGenerator);
fileId = fileInStore.FileId;
fileExistedBefore = fileInStore.FileExistedBefore;
}
else
{
Debug.Assert(request.FileId != null, "request.FileId != null");
fileId = request.FileId.Value;
fileExistedBefore = true;
}
var task = this.AggregateRepository.GetById <TaskAggregateRoot>(request.TaskId);
task.AttachFile(fileId);
await this.AggregateRepository.SaveAsync(task);
return(new AttachFileToTaskResponse(fileId, fileExistedBefore));
}
}
public async Task <AttachFileToTaskResponse> AttachFileToTaskAsync(Guid taskId, Guid fileId)
{
var fileCreateCommand = new AttachFileToTaskCommand(taskId, fileId);
var attachedFile = await this._commandDispatcher.Send(fileCreateCommand);
return(attachedFile);
}
public async Task UsingTwiceSameImage_ForDifferentTasks_ReusesImage()
{
using (var connection = this._testInfrastructure.OpenDatabaseConnection())
{
// Arrange
var commandDispatcher = this._testInfrastructure.DiContainer.GetInstance <IMediator>();
var taskImagesRepository = new TaskImageRepository();
var newTask = await this.CreateNewTask();
var newTask2 = await this.CreateNewTask();
var fileName = "TestImage.jpg";
var filePath = Path.Combine(TestContext.CurrentContext.TestDirectory, "TestResources", fileName);
var attachImageCommand = new AttachFileToTaskCommand(newTask.TaskId, filePath);
var attachImageCommand2 = new AttachFileToTaskCommand(newTask2.TaskId, filePath);
// Act
var resultTask1 = await commandDispatcher.Send(attachImageCommand);
var resultTask2 = await commandDispatcher.Send(attachImageCommand2);
// Assert
var task1Images = await taskImagesRepository.GetImagesForTaskAsync(connection, newTask.TaskId);
var task2Images = await taskImagesRepository.GetImagesForTaskAsync(connection, newTask2.TaskId);
Assert.That(resultTask1.FileId, Is.EqualTo(resultTask2.FileId));
Assert.That(task1Images.Count, Is.EqualTo(task2Images.Count));
Assert.That(task1Images.Select(x => x.ImageId).SequenceEqual(task2Images.Select(x => x.ImageId)),
Is.True);
}
}
public async Task Task_AssignPreviewImage_ReplacesImage()
{
// Arrange
var commandDispatcher = this._testInfrastructure.DiContainer.GetInstance <IMediator>();
var newTask = await this.CreateNewTask();
var filePath = this._testInfrastructure.TestData.GetRandomImageFilePath();
var attachImageCommand = new AttachFileToTaskCommand(newTask.TaskId, filePath);
var attachResult = await commandDispatcher.Send(attachImageCommand);
var replacePrimaryImageCommand = new AssignPreviewImageCommand(newTask.TaskId, attachResult.FileId);
await commandDispatcher.Send(replacePrimaryImageCommand);
}
public async Task UsingTwiceSameImage_ThrowsException()
{
// Arrange
var commandDispatcher = this._testInfrastructure.DiContainer.GetInstance <IMediator>();
var newTask = await this.CreateNewTask();
var fileName = "TestImage.jpg";
var filePath = Path.Combine(TestContext.CurrentContext.TestDirectory, "TestResources", fileName);
var attachImageCommand = new AttachFileToTaskCommand(newTask.TaskId, filePath);
await commandDispatcher.Send(attachImageCommand);
Assert.ThrowsAsync <DuplicateAttachedFileException>(async() =>
await commandDispatcher.Send(attachImageCommand));
}
public async Task UsingTwiceSameImage_ForDifferentTasks_ReusesImage()
{
// Arrange
var commandDispatcher = this._testInfrastructure.DiContainer.GetInstance <IMediator>();
var newTask = await this.CreateNewTask();
var newTask2 = await this.CreateNewTask();
var filePath = this._testInfrastructure.TestData.GetRandomImageFilePath();
var attachImageCommand = new AttachFileToTaskCommand(newTask.TaskId, filePath);
var attachImageCommand2 = new AttachFileToTaskCommand(newTask2.TaskId, filePath);
// Act
var resultTask1 = await commandDispatcher.Send(attachImageCommand);
var resultTask2 = await commandDispatcher.Send(attachImageCommand2);
// Assert
Assert.That(resultTask1.FileId, Is.EqualTo(resultTask2.FileId));
}
public async Task AttachingImage_ToTask_ShouldCreateProjection()
{
// Arrange
using (var connection = this._testInfrastructure.OpenDatabaseConnection())
{
var commandDispatcher = this._testInfrastructure.DiContainer.GetInstance <IMediator>();
var repository = new TaskImageRepository();
var newTask = await this.CreateNewTask();
var fileName = "TestImage.jpg";
var filePath = Path.Combine(TestContext.CurrentContext.TestDirectory, "TestResources", fileName);
var attachImageCommand = new AttachFileToTaskCommand(newTask.TaskId, filePath);
await commandDispatcher.Send(attachImageCommand);
// Act
var projection = await repository.GetImagesForTaskAsync(connection, newTask.TaskId);
// Assert
Assert.That(newTask.TaskId, Is.Not.EqualTo(Guid.Empty));
Assert.That(projection, Is.Not.Null);
Assert.That(projection.Count, Is.EqualTo(3));
}
}