/// <summary>
/// 发表评论
/// </summary>
/// <param name="personId">PersonID</param>
/// <param name="blogId">BlogID</param>
/// <param name="content">评论内容</param>
/// <param name="photoContentIds">评论附带图片的ID集合</param>
/// <param name="baseCommentId">被评论的CommentID</param>
/// <returns></returns>
public async Task<CommentDTO> AddCommentAsync(long personId, long blogId, string content, List<long> photoContentIds = null, long? baseCommentId = null)
{
using(KoalaBlogDbContext dbContext = new KoalaBlogDbContext())
{
PersonHandler perHandler = new PersonHandler(dbContext);
AvatarHandler avatarHandler = new AvatarHandler(dbContext);
CommentHandler commentHandler = new CommentHandler(dbContext);
//1. 发表评论并返回Comment Entity对象。
var comment = await commentHandler.AddCommentAsync(personId, blogId, content, photoContentIds, baseCommentId);
//2. 将Entity对象Convert为DTO对象。
var commentDto = comment.ToDTO();
//3. 判断Person对象是否为空，如果为空则获取。
if (commentDto.Person == null)
{
var personEntity = await perHandler.GetByIdAsync(comment.PersonID);
if (personEntity != null)
{
commentDto.Person = personEntity.ToDTO();
//3.1 判断头像Url是否已经获取。
if (string.IsNullOrEmpty(commentDto.Person.AvatarUrl))
{
commentDto.Person.AvatarUrl = await avatarHandler.GetActiveAvatarUrlByPersonId(comment.PersonID);
}
}
}
else
{
//3.2 如果Person对象不为空，判断头像Url是否已经获取。
if (string.IsNullOrEmpty(commentDto.Person.AvatarUrl))
{
commentDto.Person.AvatarUrl = await avatarHandler.GetActiveAvatarUrlByPersonId(comment.PersonID);
}
}
//4. 判断此评论是否评论了其他的评论。
if(comment.NewCommentXComments != null && comment.NewCommentXComments.Count > 0)
{
commentDto.BaseComment = comment.NewCommentXComments.First().BaseComment.ToDTO();
//4.1 判断Person对象是否为空，如果为空则获取，这里暂时不需要获取Avatar。
if (commentDto.BaseComment.Person == null)
{
var personEntity = await perHandler.GetByIdAsync(comment.NewCommentXComments.First().BaseComment.PersonID);
if (personEntity != null)
{
commentDto.BaseComment.Person = personEntity.ToDTO();
}
}
}
return commentDto;
}
}
public async Task<bool> ConfirmEmailAsync(string email, string code)
{
AssertUtil.Waterfall()
.NotNullOrWhiteSpace(email, "邮箱不能为空")
.NotNullOrWhiteSpace(code, "验证码不能为空")
.IsValidEmail(email, "邮箱地址不正确")
.Done();
UserAccountHandler uaHandler = new UserAccountHandler(_dbContext);
PersonHandler perHandler = new PersonHandler(_dbContext);
AvatarHandler avatarHandler = new AvatarHandler(_dbContext);
UserAccount user = await uaHandler.GetByEmailAsync(email);
if (user != null)
{
//1. 判断验证码是否匹配。
bool isMatched = await Entities.AnyAsync(x => x.UserAccountID == user.ID && x.Code == code);
if (isMatched)
{
//这里需要用事务来保证执行成功。
using(TransactionScope transactionScope = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
{
//2. 匹配则修改邮件验证为True。
user.EmailConfirmed = true;
uaHandler.MarkAsModified(user);
bool isSucceed = await SaveChangesAsync() > 0;
//3. 同时生成UserAccountXPerson记录。
if (isSucceed)
{
Person per = await perHandler.CreatePersonAsync(user);
//4. 生成默认Avatar。
await avatarHandler.CreateDefaultAvatar(per.ID);
}
transactionScope.Complete();
return true;
}
}
}
return false;
}
/// <summary>
/// 获取Blog的评论
/// </summary>
/// <param name="blogId">BlogID</param>
/// <param name="pageIndex"></param>
/// <param name="pageSize"></param>
/// <returns></returns>
public async Task<Tuple<int, List<CommentDTO>>> GetCommentsAsync(long blogId, int pageIndex, int pageSize)
{
using(KoalaBlogDbContext dbContext = new KoalaBlogDbContext())
{
int totalCommentCount = 0;
List<CommentDTO> commentDtoList = null;
PersonHandler perHandler = new PersonHandler(dbContext);
AvatarHandler avatarHandler = new AvatarHandler(dbContext);
CommentHandler commentHandler = new CommentHandler(dbContext);
CommentXContentHandler cxContentHandler = new CommentXContentHandler(dbContext);
CommentXCommentHandler cxCommentHandler = new CommentXCommentHandler(dbContext);
//1. 获取Blog评论列表。
var comments = await commentHandler.GetCommentsAsync(blogId, pageIndex, pageSize);
if (comments.Count > 0)
{
commentDtoList = new List<CommentDTO>();
foreach (var comment in comments)
{
CommentDTO commentDto = comment.ToDTO();
//2. 判断Person对象是否为空，如果为空则获取。
if (commentDto.Person == null)
{
var personEntity = await perHandler.GetByIdAsync(comment.PersonID);
if (personEntity != null)
{
commentDto.Person = personEntity.ToDTO();
//2.1 判断头像Url是否已经获取。
if (string.IsNullOrEmpty(commentDto.Person.AvatarUrl))
{
commentDto.Person.AvatarUrl = await avatarHandler.GetActiveAvatarUrlByPersonId(comment.PersonID);
}
}
}
else
{
//2.2 如果Person对象不为空，判断头像Url是否已经获取。
if (string.IsNullOrEmpty(commentDto.Person.AvatarUrl))
{
commentDto.Person.AvatarUrl = await avatarHandler.GetActiveAvatarUrlByPersonId(comment.PersonID);
}
}
//3. 判断Contents集合是否为空，如果为空则获取。
if (commentDto.Contents == null)
{
List<Content> contentList = await cxContentHandler.GetContentsAsync(comment.ID);
if (contentList != null && contentList.Count > 0)
{
commentDto.Contents = new List<ContentDTO>();
foreach (var content in contentList)
{
ContentDTO contentDto = content.ToDTO();
commentDto.Contents.Add(contentDto);
}
}
}
//4. 判断此评论是否评论了其他的评论。
if (commentDto.BaseComment == null)
{
Comment baseComment = await cxCommentHandler.GetBaseCommentByCommentIdAsync(comment.ID);
if (baseComment != null)
{
commentDto.BaseComment = baseComment.ToDTO();
//4.1 判断Person对象是否为空，如果为空则获取，这里暂时不需要获取Avatar。
if (commentDto.BaseComment.Person == null)
{
var personEntity = await perHandler.GetByIdAsync(baseComment.PersonID);
if (personEntity != null)
{
commentDto.BaseComment.Person = personEntity.ToDTO();
}
}
}
}
//5. 获取评论点赞数量Task。
Task<int> likeCountTask = GetCommentLikeCountAsync(comment.ID);
//6. 判断用户是否点赞了此评论Task。
Task<bool> isLikeTask = IsLikeAsync(CurrentThreadIdentityObject.PersonID, comment.ID);
commentDto.IsLike = await isLikeTask;
commentDto.LikeCount = await likeCountTask;
commentDtoList.Add(commentDto);
}
//7. 获取Blog的总评论数量。
totalCommentCount = await GetCommentCountAsync(blogId);
}
return new Tuple<int, List<CommentDTO>>(totalCommentCount, commentDtoList);
}
}
/// <summary>
/// 获取头像的路径
/// </summary>
/// <param name="personId">PersonID</param>
/// <returns></returns>
public async Task<string> GetActiveAvatarUrlAsync(long personId)
{
using (KoalaBlogDbContext dbContext = new KoalaBlogDbContext())
{
AvatarHandler avatarHandler = new AvatarHandler(dbContext);
var activeAvatar = await avatarHandler.GetActiveAvatarByPersonId(personId);
return activeAvatar.AvatarPath;
}
}
/// <summary>
/// 根据UserName获取KoalaBlogIdentityObject
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
public async Task<KoalaBlogIdentityObject> GetIdentityObjectAsync()
{
using (KoalaBlogDbContext dbContext = new KoalaBlogDbContext())
{
UserAccountXPersonHandler uaxpHandler = new UserAccountXPersonHandler(dbContext);
if(CurrentThreadIdentityObject != null)
{
//1. 根据用户名获取UserAccountXPerson对象。
UserAccountXPerson uaxp = await uaxpHandler.LoadByUserNameAsync(CurrentThreadIdentityObject.UserName);
if (uaxp != null)
{
KoalaBlogIdentityObject identityObject = new KoalaBlogIdentityObject();
if (uaxp.UserAccount != null)
{
identityObject.UserID = uaxp.UserAccount.ID;
identityObject.UserName = uaxp.UserAccount.UserName;
identityObject.Email = uaxp.UserAccount.Email;
identityObject.Status = uaxp.UserAccount.Status;
}
if (uaxp.Person != null)
{
AvatarHandler avatarHandler = new AvatarHandler(dbContext);
Avatar avatar = await avatarHandler.GetActiveAvatarByPersonId(uaxp.Person.ID);
identityObject.PersonID = uaxp.Person.ID;
identityObject.PersonNickName = uaxp.Person.NickName;
identityObject.Introduction = uaxp.Person.Introduction;
if (avatar != null)
{
identityObject.AvatarUrl = avatar.AvatarPath;
}
}
return identityObject;
}
else
{
UserAccountHandler uaHandler = new UserAccountHandler(dbContext);
//2. 如果UserAccountXPerson对象为空，意味着可能是用户注册还没完成，则根据用户名获取UserAccount对象，赋值IdentityObject通用Property。
UserAccount userAccount = await uaHandler.GetByUserNameAsync(CurrentThreadIdentityObject.UserName);
if (userAccount != null)
{
KoalaBlogIdentityObject identityObject = new KoalaBlogIdentityObject()
{
UserID = userAccount.ID,
UserName = userAccount.UserName,
Email = userAccount.Email,
Status = userAccount.Status
};
return identityObject;
}
}
}
return null;
}
}
/// <summary>
/// 发布一篇Blog
/// </summary>
/// <param name="personId">PersonID</param>
/// <param name="content">Blog的内容</param>
/// <param name="attachContents">Blog的附件</param>
/// <param name="accessInfo">Blog的访问控制</param>
/// <param name="groupId">当Blog的访问控制为群可见则需要指定GroupID</param>
/// <param name="forwardBlogId">转发的BlogID</param>
/// <returns></returns>
public async Task<BlogDTO> CreateBlogAsync(long personId, string content, BlogInfoAccessInfo accessInfo, long? groupId = null, List<long> attachContentIds = null, long? forwardBlogId = null)
{
using(KoalaBlogDbContext dbContext = new KoalaBlogDbContext())
{
BlogHandler blogHandler = new BlogHandler(dbContext);
PersonHandler perHandler = new PersonHandler(dbContext);
AvatarHandler avatarHandler = new AvatarHandler(dbContext);
//1. 发布Blog并返回Blog Entity对象。
var blog = await blogHandler.CreateBlogAsync(personId, content, accessInfo, groupId, attachContentIds, forwardBlogId);
//2. 将Entity对象Convert为DTO对象。
var result = blog.ToDTO();
//3. 判断Person对象是否为空，如果为空则获取。
if(result.Person == null)
{
var personEntity = await perHandler.GetByIdAsync(blog.PersonID);
if (personEntity != null)
{
result.Person = personEntity.ToDTO();
//3.1 判断头像Url是否已经获取。
if (string.IsNullOrEmpty(result.Person.AvatarUrl))
{
result.Person.AvatarUrl = await avatarHandler.GetActiveAvatarUrlByPersonId(result.Person.ID);
}
}
}
else
{
//3.2 如果Person对象不为空，判断头像Url是否已经获取。
if (string.IsNullOrEmpty(result.Person.AvatarUrl))
{
result.Person.AvatarUrl = await avatarHandler.GetActiveAvatarUrlByPersonId(result.Person.ID);
}
}
//4. 判断是否转发了Blog，转发了则获取转发Blog的信息。
if(blog.NewBlogXBlogs != null && blog.NewBlogXBlogs.Count > 0)
{
var baseBlogXblog = blog.NewBlogXBlogs.SingleOrDefault(x => x.IsBase);
if(baseBlogXblog != null)
{
CommentHandler commentHandler = new CommentHandler(dbContext);
BlogXBlogHandler bxbHandler = new BlogXBlogHandler(dbContext);
EntityLikeHandler likeHandler = new EntityLikeHandler(dbContext);
BlogXContentHandler bxcHandler = new BlogXContentHandler(dbContext);
result.BaseBlog = baseBlogXblog.BaseBlog.ToDTO();
//4.1 判断转发了Blog的Person对象是否为空，如果空则获取。
if(result.BaseBlog.Person == null)
{
var personEntity = await perHandler.GetByIdAsync(baseBlogXblog.BaseBlog.PersonID);
if (personEntity != null)
{
result.BaseBlog.Person = personEntity.ToDTO();
}
}
//4.2 判断转发了Blog的是否有图片等等。
List<Content> contentList = await bxcHandler.GetContentsAsync(result.BaseBlog.ID);
if(contentList != null && contentList.Count > 0)
{
result.BaseBlog.Contents = new List<ContentDTO>();
foreach (var contentObj in contentList)
{
ContentDTO contentDto = contentObj.ToDTO();
result.BaseBlog.Contents.Add(contentDto);
}
}
//4.3 获取转发的Blog的转发数量。
result.BaseBlog.RepostCount = await bxbHandler.GetRepostCountAsync(result.BaseBlog.ID);
//4.4 获取转发的Blog的评论数量。
result.BaseBlog.CommentCount = await commentHandler.GetCommentCountAsync(result.BaseBlog.ID);
//4.5 获取转发的Blog的点赞数量
result.BaseBlog.LikeCount = await likeHandler.GetBlogLikeCountAsync(result.BaseBlog.ID);
//4.6 获取转发的Blog是否已经点赞。
result.BaseBlog.IsLike = await likeHandler.IsLikeAsync(personId, result.BaseBlog.ID, typeof(Blog));
}
}
return result;
}
}
/// <summary>
/// 获取用户关注的人Blog
/// </summary>
/// <param name="personId">PersonID</param>
/// <param name="groupId">GroupID</param>
/// <param name="pageIndex">页码</param>
/// <param name="pageSize">数量/页</param>
/// <returns></returns>
public async Task<List<BlogDTO>> GetBlogsAsync(long personId, long? groupId, int pageIndex, int pageSize)
{
using(KoalaBlogDbContext dbContext = new KoalaBlogDbContext())
{
List<BlogDTO> blogDtoList = null;
BlogHandler blogHandler = new BlogHandler(dbContext);
//1. 获取正在关注的人Blog集合。
var blogs = await blogHandler.GetBlogsAsync(personId, groupId, pageIndex, pageSize);
if (blogs.Count > 0)
{
PersonHandler perHandler = new PersonHandler(dbContext);
AvatarHandler avatarHandler = new AvatarHandler(dbContext);
CommentHandler commentHandler = new CommentHandler(dbContext);
BlogXBlogHandler bxbHandler = new BlogXBlogHandler(dbContext);
EntityLikeHandler likeHandler = new EntityLikeHandler(dbContext);
BlogXContentHandler bxcHandler = new BlogXContentHandler(dbContext);
blogDtoList = new List<BlogDTO>();
foreach (var blog in blogs)
{
BlogDTO blogDto = blog.ToDTO();
//2. 判断Person对象是否为空，如果为空则获取。
if (blogDto.Person == null)
{
var personEntity = await perHandler.GetByIdAsync(blog.PersonID);
if (personEntity != null)
{
blogDto.Person = personEntity.ToDTO();
//3.1 判断头像Url是否已经获取。
if (string.IsNullOrEmpty(blogDto.Person.AvatarUrl))
{
blogDto.Person.AvatarUrl = await avatarHandler.GetActiveAvatarUrlByPersonId(blogDto.Person.ID);
}
}
}
else
{
//2.2 如果Person对象不为空，判断头像Url是否已经获取。
if (string.IsNullOrEmpty(blogDto.Person.AvatarUrl))
{
blogDto.Person.AvatarUrl = await avatarHandler.GetActiveAvatarUrlByPersonId(blogDto.Person.ID);
}
}
//3. 判断Contents集合是否为空，如果为空则获取。
if (blogDto.Contents == null)
{
List<Content> contentList = await bxcHandler.GetContentsAsync(blogDto.ID);
if (contentList != null && contentList.Count > 0)
{
blogDto.Contents = new List<ContentDTO>();
foreach (var content in contentList)
{
ContentDTO contentDto = content.ToDTO();
blogDto.Contents.Add(contentDto);
}
}
}
//4. 判断此Blog是否转发了其他Blog。
if(blogDto.BaseBlog == null)
{
Blog baseBlog = await bxbHandler.GetBaseBlogByBlogIdAsync(blogDto.ID);
if(baseBlog != null)
{
blogDto.BaseBlog = baseBlog.ToDTO();
//4.1 判断转发的Blog的Person对象是否为空，如果为空则获取。不需要获取头像。
if (blogDto.BaseBlog.Person == null)
{
var personEntity = await perHandler.GetByIdAsync(baseBlog.PersonID);
if (personEntity != null)
{
blogDto.BaseBlog.Person = personEntity.ToDTO();
}
}
//4.2 判断转发的Blog是否有发Contents。
if (blogDto.BaseBlog.Contents == null)
{
List<Content> contentList = await bxcHandler.GetContentsAsync(blogDto.BaseBlog.ID);
if (contentList != null && contentList.Count > 0)
{
blogDto.BaseBlog.Contents = new List<ContentDTO>();
foreach (var content in contentList)
{
ContentDTO contentDto = content.ToDTO();
blogDto.BaseBlog.Contents.Add(contentDto);
}
}
}
//4.3 获取转发的Blog的转发数量。
blogDto.BaseBlog.RepostCount = await bxbHandler.GetRepostCountAsync(blogDto.BaseBlog.ID);
//4.4 获取转发的Blog的评论数量。
blogDto.BaseBlog.CommentCount = await commentHandler.GetCommentCountAsync(blogDto.BaseBlog.ID);
//4.5 获取转发的Blog的点赞数量
blogDto.BaseBlog.LikeCount = await likeHandler.GetBlogLikeCountAsync(blogDto.BaseBlog.ID);
//4.6 获取转发的Blog是否已经点赞。
blogDto.BaseBlog.IsLike = await likeHandler.IsLikeAsync(personId, blogDto.BaseBlog.ID, typeof(Blog));
}
}
//5. 获取用户是否收藏了Blog的Task。
Task<bool> isFavoriteTask = IsFavoriteAsync(personId, blog.ID);
//6. 获取评论数量的Task。
CommentManager commentManager = new CommentManager();
Task<int> commentCountTask = commentManager.GetCommentCountAsync(blog.ID);
//7. 获取转发数量的Task。
Task<int> repostCountTask = GetRepostCountAsync(blog.ID);
//8. 获取点赞数量和用户是否已经点赞的Task。
Task<Tuple<int, bool>> likeObjTask = GetLikeObjectAsync(personId, blog.ID);
blogDto.IsFavorite = await isFavoriteTask;
blogDto.CommentCount = await commentCountTask;
blogDto.RepostCount = await repostCountTask;
//9. 获取点赞数量和用户是否点赞的对象Tuple，赋值。
Tuple<int, bool> likeObj = await likeObjTask;
blogDto.IsLike = likeObj.Item2;
blogDto.LikeCount = likeObj.Item1;
blogDtoList.Add(blogDto);
}
}
return blogDtoList;
}
}
