public async Task DeleteAsync()
{
await _bookRepository.DeleteAsync(new Book()
{
Id = 7
});
}
public async Task UpdateAsync(Guid id, CreateUpdateChannelDto updateChannel)
{
Channel channel = await _channelRepository.Select.Where(r => r.Id == id).ToOneAsync();
if (channel == null)
{
throw new LinCmsException("该数据不存在");
}
bool exist = _channelRepository.Select.Any(r => r.ChannelName == updateChannel.ChannelName && r.Id != id && r.ChannelCode == updateChannel.ChannelCode);
if (exist)
{
throw new LinCmsException($"技术频道[{updateChannel.ChannelName}]已存在");
}
_mapper.Map(updateChannel, channel);
var channelTagLists = new List <ChannelTag>();
updateChannel.TagIds?.ForEach(r => { channelTagLists.Add(new ChannelTag(id, r)); });
await _channelTagRepository.DeleteAsync(r => r.ChannelId == id);
await _channelRepository.UpdateAsync(channel);
await _channelTagRepository.InsertAsync(channelTagLists);
}