/// <summary>
/// 博客或者文章的标签更新
/// </summary>
/// <returns></returns>
protected virtual async Task BlogOrPostOfTag(TagEditDto input, Tag tag, bool isUpdate = false)
{
//如果是修改，把以前的删了重建
if (isUpdate)
{
tag.DecreaseUsageCount();
await _blogTagRepository.DeleteAsync(x => x.TagId == input.Id);
await _postTagRepository.DeleteAsync(x => x.TagId == input.Id);
}
if (input.BlogId != null)
{
tag.IncreaseUsageCount();
await _blogTagRepository.InsertAsync(new BlogTag((Guid)input.BlogId, (Guid)input.Id));
}
if (input.PostId != null)
{
tag.IncreaseUsageCount();
await _postTagRepository.InsertAsync(new PostTag((Guid)input.PostId, (Guid)input.Id));
}
}
protected virtual async Task Update(TagEditDto input)
{
//TODO:更新前的逻辑判断，是否允许更新
var entity = await _tagRepository.GetAsync(input.Id.Value);
// input.MapTo(entity);
//将input属性的值赋值到entity中
ObjectMapper.Map(input, entity);
await _tagManager.UpdateAsync(entity);
await BlogOrPostOfTag(input, entity, true);
}
protected virtual async Task <TagEditDto> Create(TagEditDto input)
{
//TODO:新增前的逻辑判断，是否允许新增
var entity = ObjectMapper.Map <Tag>(input);
//调用领域服务
entity = await _tagManager.CreateAsync(entity);
var dto = ObjectMapper.Map <TagEditDto>(entity);
dto.PostId = input.PostId;
dto.BlogId = input.BlogId;
await BlogOrPostOfTag(dto, entity);
return(dto);
}
public async Task SaveAsync(TagEditDto dto)
{
using var tran = Db.BeginTransaction();
if (dto.Id == 0) // Insert
{
var tag = dto.Adapt <Tag>();
tag.Id = IdGen.NewId();
await Db.InsertAsync(tag);
}
else // Update
{
var tag = await Db.FindAsync <Tag>(new { dto.Id });
dto.Adapt(tag);
await Db.UpdateAsync(tag);
}
tran.Commit();
}
public async Task <GetTagForEditOutput> GetForEdit(NullableIdDto <Guid> input)
{
var output = new GetTagForEditOutput();
TagEditDto editDto;
if (input.Id.HasValue)
{
var entity = await _tagRepository.GetAsync(input.Id.Value);
editDto = ObjectMapper.Map <TagEditDto>(entity);
}
else
{
editDto = new TagEditDto();
}
output.Tag = editDto;
return(output);
}
public Task Save(TagEditDto dto)
{
return(_tagService.SaveAsync(dto));
}
