public async Task <Unit> Handle(DeleteRoomTypeCommand request, CancellationToken cancellationToken)
{
var entity = await context.RoomTypes.FindAsync(request.Id);
if (entity == null)
{
throw new NotFoundException(nameof(RoomType), request.Id);
}
var hasRooms = context.Rooms.FirstOrDefault(od => od.RoomTypeId == entity.Id);
if (hasRooms != null)
{
throw new DeleteFailureException(nameof(RoomType), "There are existing rooms associated with this room type.");
}
if (!string.IsNullOrEmpty(entity.Image))
{
try
{
await imageWriter.RemoveImage(entity.Image);
}
catch (Exception)
{
throw new UploadImageException(entity.Image, typeof(IImageWriter));
}
}
context.RoomTypes.Remove(entity);
await context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <string> Handle(UploadRoomTypeImageCommand request, CancellationToken cancellationToken)
{
var entity = await context.RoomTypes.FindAsync(request.Id);
if (entity == null)
{
throw new NotFoundException(nameof(RoomType), request.Id);
}
string image = entity.Image;
if (!string.IsNullOrEmpty(image))
{
try
{
await imageWriter.RemoveImage(image);
}
catch (Exception)
{
throw new UploadImageException(request.ImageFile.FileName, typeof(IImageWriter));
}
}
try
{
image = await imageWriter.UploadImage(request.ImageFile);
}
catch (Exception)
{
throw new UploadImageException(request.ImageFile.FileName, typeof(IImageWriter));
}
entity.Image = image;
await context.SaveChangesAsync(cancellationToken);
return(image);
}
