public async Task UpdateAsync(TopicUpdateModel model)
{
MultipartFormDataContent formData = new MultipartFormDataContent();
if (model.Image != null)
{
var stream = new MemoryStream();
await model.Image.CopyToAsync(stream);
var bytes = stream.ToArray();
ByteArrayContent byteContent = new ByteArrayContent(bytes);
byteContent.Headers.ContentType = new MediaTypeHeaderValue(model.Image.ContentType);
formData.Add(byteContent, nameof(TopicUpdateModel.Image), model.Image.FileName);
}
var user = _httpContextAccessor.HttpContext.Session.GetObject <AppUserViewModel>("activeUser");
model.AppUserId = user.Id;
formData.Add(new StringContent(model.Id.ToString()), nameof(TopicUpdateModel.Id));
formData.Add(new StringContent(model.AppUserId.ToString()), nameof(TopicUpdateModel.AppUserId));
formData.Add(new StringContent(model.Description.ToString()), nameof(TopicUpdateModel.Description));
formData.Add(new StringContent(model.ShortDescription.ToString()), nameof(TopicUpdateModel.ShortDescription));
formData.Add(new StringContent(model.Title.ToString()), nameof(TopicUpdateModel.Title));
_httpClient.DefaultRequestHeaders.Authorization =
new AuthenticationHeaderValue("Bearer", _httpContextAccessor.HttpContext.Session.GetString("token"));
await _httpClient.PutAsync($"{model.Id}", formData);
}
public async Task <IActionResult> UpdateTopic(TopicUpdateModel model)
{
TempData["active"] = "topic";
if (ModelState.IsValid)
{
await _topicApiService.UpdateAsync(model);
return(RedirectToAction("Index"));
}
return(View(model));
}
public async Task <IActionResult> Update(int id, [FromForm] TopicUpdateModel topicUpdateModel)
{
if (id != topicUpdateModel.Id)
{
return(BadRequest("Invalid Id"));
}
var uploadModel = await UploadFileAsync(topicUpdateModel.Image, "image/jpeg");
if (uploadModel.UploadState == UploadState.Success)
{
var updatedTopic = await _topicService.FindByIdAsync(topicUpdateModel.Id);
updatedTopic.ShortDescription = topicUpdateModel.ShortDescription;
updatedTopic.Description = topicUpdateModel.Description;
updatedTopic.Title = topicUpdateModel.Title;
updatedTopic.ImagePath = uploadModel.NewName;
await _topicService.UpdateAsync(updatedTopic);
return(NoContent());
}
else if (uploadModel.UploadState == UploadState.NotExist)
{
var updatedTopic = await _topicService.FindByIdAsync(topicUpdateModel.Id);
updatedTopic.ShortDescription = topicUpdateModel.ShortDescription;
updatedTopic.Description = topicUpdateModel.Description;
updatedTopic.Title = topicUpdateModel.Title;
await _topicService.UpdateAsync(updatedTopic);
return(NoContent());
}
else
{
return(BadRequest(uploadModel.ErrorMessage));
}
}
public Task <IResultModel> Update(TopicUpdateModel model)
{
return(_service.Update(model));
}
public async Task <IResultModel> Update(TopicUpdateModel model)
{
var entity = await _repository.GetAsync(model.Id);
if (entity == null)
{
return(ResultModel.NotExists);
}
//获取原值
int originCategory = entity.CategoryId;
var topicTags = await _topicTagRepository.Query(new Domain.TopicTag.Models.TopicTagQueryModel
{
TopicId = entity.Id
});
_mapper.Map(model, entity);
using var uow = _forumDbContext.NewUnitOfWork();
var result = await _repository.UpdateAsync(entity, uow);
if (result && model.Tags != null && model.Tags.Count() > 0)
{
//删除原关系
await _topicTagRepository.DeleteByTopicId(entity.Id, uow);
var tagList = model.Tags.Select(s => new TopicTagEntity
{
TopicId = entity.Id,
TagId = s
}).ToList();
await _topicTagRepository.AddAsync(tagList, uow);
}
uow.Commit();
#region 判断哪些标签需要重新计算 （这里需要消息队列处理）
var originTags = topicTags.Select(s => s.TagId).ToArray();
//并集去重
var recalcTags = originTags.Union(model.Tags).Distinct();
//差集
var exceptR = originTags.Except(recalcTags.ToArray());
var exceptL = recalcTags.Except(originTags.ToArray());
//如果差集为0，则无需重新计算
if (exceptR.Count() > 0 || exceptL.Count() > 0)
{
//重新计算标签统计
await _tagRepository.RecalculationCount(recalcTags.ToArray(), uow);
}
#endregion
#region 判断哪些分类需要重新计算 （这里需要消息队列处理）
if (originCategory != entity.CategoryId)
{
//重新计算分类统计
await _categoryRepository.RecalculationCount(new int[] {
model.CategoryId,
originCategory
}, uow);
}
#endregion
return(ResultModel.Result(result));
}
