public async Task <AjaxResult> Apply(BlogInputDto dto)
{
Check.NotNull(dto, nameof(dto));
OperationResult result = await BlogsContract.ApplyForBlog(dto);
return(result.ToAjaxResult());
}
public async Task <IPagedEntities <BlogDto> > GetBlogsAdminAsync(BlogInputDto input)
{
IQueryable <Blog> query = _context.Blogs.Include(x => x.Categories)
.Where(p => p.CreatedBy == input.UserName);
var totalSize = await query.AsNoTracking().CountAsync();
var orderQuery = query.Select(p => new BlogDto
{
Id = p.Id,
Title = p.Title,
Summary = p.Summary,
NormalizeTitle = p.NormalizeTitle,
Content = p.Content,
UserName = p.CreatedBy,
CreatedDate = p.CreatedDate,
Categories = p.Categories.Select(y => new CategoryDto
{
CategoryId = y.Id,
Name = y.Category.Name
}).ToList()
}).OrderBy(p => p.CreatedDate);
return(await Method.EntityWithPaging <BlogDto>(orderQuery, totalSize, input.page - 1, Constant.PageSize));
}
/// <summary>
/// 申请博客信息
/// </summary>
/// <param name="dto">申请博客信息DTO信息</param>
/// <returns>业务操作结果</returns>
public virtual async Task <OperationResult> ApplyForBlog(BlogInputDto dto)
{
Check.Validate(dto, nameof(dto));
// 博客是以当前用户的身份来申请的
ClaimsPrincipal principal = _serviceProvider.GetCurrentUser();
if (principal == null || !principal.Identity.IsAuthenticated)
{
return(new OperationResult(OperationResultType.Error, "用户未登录或登录已失效"));
}
int userId = principal.Identity.GetUserId <int>();
User user = await UserRepository.GetAsync(userId);
if (user == null)
{
return(new OperationResult(OperationResultType.QueryNull, $"编号为“{userId}”的用户信息不存在"));
}
Blog blog = BlogRepository.TrackQuery(m => m.UserId == userId).FirstOrDefault();
if (blog != null)
{
return(new OperationResult(OperationResultType.Error, "当前用户已开通博客，不能重复申请"));
}
if (await CheckBlogExists(m => m.Url == dto.Url))
{
return(new OperationResult(OperationResultType.Error, $"Url 为“{dto.Url}”的博客已存在，不能重复添加"));
}
blog = dto.MapTo <Blog>();
blog.UserId = userId;
int count = await BlogRepository.InsertAsync(blog);
return(count > 0
? new OperationResult(OperationResultType.Success, "博客申请成功")
: OperationResult.NoChanged);
}
