/// <summary>
/// 获取博客列表下的文章内容
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <PagedResultDto <PostDetailsDto> > GetPostsPagedForHome(GetPortalBlogsInput input)
{
var query = _postManager.QueryPostsAsNoTracking()
//模糊搜索地址
.WhereIf(!input.FilterText.IsNullOrWhiteSpace(), a => a.Url.Contains(input.FilterText))
//模糊搜索标题
.WhereIf(!input.FilterText.IsNullOrWhiteSpace(), a => a.Title.Contains(input.FilterText))
//模糊搜索内容
.WhereIf(!input.FilterText.IsNullOrWhiteSpace(), a => a.Content.Contains(input.FilterText));
// TODO:根据传入的参数添加过滤条件
var tag = input.TagName.IsNullOrWhiteSpace()
? null
: await _tagManager.QueryTagsAsNoTracking().FirstOrDefaultAsync(a => a.Name == input.TagName);
if (tag != null)
{
query = query.Where(a => a.Tags.Any(t => t.TagId == tag.Id));
}
var count = await query.CountAsync();
var posts = await query
.OrderByDescending(d => d.CreationTime)
.PageBy(input)
.ToListAsync();
var postDtos = ObjectMapper.Map <List <PostDetailsDto> >(posts);
var userDictionary = new Dictionary <long, UserListDto>();
var blogDictionary = new Dictionary <Guid, string>();
foreach (var postDto in postDtos)
{
// 通过文章的创建者userid可以获取关于用户的更多信息
if (postDto.CreatorUserId.HasValue)
{
if (!userDictionary.ContainsKey(postDto.CreatorUserId.Value))
{
var tes = AbpSession.TenantId;
// AbpSession
var creatorUser = await UserManager.Users
.IgnoreQueryFilters()
.FirstOrDefaultAsync(a => a.Id == postDto.CreatorUserId.Value);
if (creatorUser != null)
{
userDictionary[creatorUser.Id] = ObjectMapper.Map <UserListDto>(creatorUser);
}
}
if (userDictionary.ContainsKey(postDto.CreatorUserId.Value))
{
postDto.Writer = userDictionary[(long)postDto.CreatorUserId];
}
}
// 获取文章的博客短名称
if (!blogDictionary.ContainsKey(postDto.BlogId))
{
var blogDto = await _blogManager.FindByIdAsync(postDto.BlogId);
blogDictionary[postDto.BlogId] = blogDto.ShortName;
}
if (blogDictionary.ContainsKey(postDto.BlogId))
{
postDto.BlogShortName = blogDictionary[postDto.BlogId];
}
//获取标签
var tags = await _tagManager.GetTagsOfPost(postDto.Id);
postDto.Tags = ObjectMapper.Map <List <TagListDto> >(tags);
}
return(new PagedResultDto <PostDetailsDto>(count, postDtos));
}
