public async Task<RenderMessageOutput> UpdateCategory(UpdateCategoryInput input)
{
//写入日志
Logger.Info("Updating a category for input : " + input);
var category = await _categoryRepository.GetAsync(input.Id);
if (category != null)
{
//校验分类是否已经存在
var isExist =
await _categoryRepository.CheckCategoryIsExist(category.CategoryName, category.ParentId, category.Taxonomy);
if (isExist && category.CategoryName == input.CategoryName )
{
return new RenderMessageOutput
{
Success = false,
Message = "操作失败，已经存在"
};
}
if (!input.CategoryName.IsNullOrEmpty())
{
category.CategoryName = input.CategoryName;
}
if (input.Order.HasValue)
{
category.Order = (int)input.Order;
}
if (input.ParentId.HasValue)
{
category.ParentId = input.ParentId;
}
if (!input.Description.IsNullOrEmpty())
{
category.Description = input.Description;
}
if (input.Taxonomy.HasValue)
{
category.Taxonomy = (TaxonomyEnum)input.Taxonomy;
}
if (input.Order.HasValue)
{
category.Order = (int)input.Order;
}
await _categoryRepository.UpdateAsync(category);
return new RenderMessageOutput();
}
else
{
return new RenderMessageOutput
{
Success = false,
Message = "操作失败，分类不存在"
};
}
}
public async void Should_UpdateCategory()
{
var categoryDto = new UpdateCategoryInput()
{
Id = Guid.Parse("81f79e33-e179-4038-bbb5-1a90be081ca9"),
CategoryName = "修改后的"
};
await _categoryService.UpdateCategory(categoryDto);
//测试是否修改成功
UsingDbContext(context =>
{
context.Category.Count().ShouldBe(1);
var category = context.Category.FirstOrDefault();
category.CategoryName.ShouldBe("修改后的");
category.Id.ShouldBe(Guid.Parse("81f79e33-e179-4038-bbb5-1a90be081ca9"));
category.Description.ShouldBe("用来发布文章的");
category.Order.ShouldBe(0);
category.ParentId.ShouldBe(null);
});
}
