/// <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; } }
/// <summary> /// 根据PersonID获取Person /// </summary> /// <param name="personId">PersonID</param> /// <returns></returns> public async Task<Person> GetPersonByIdAsync(long personId) { using(KoalaBlogDbContext dbContext = new KoalaBlogDbContext()) { PersonHandler perHandler = new PersonHandler(dbContext); return await perHandler.GetByIdAsync(personId); } }
/// <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); } }
public async Task Test_03_ModifyPersonInfoAsync() { using(KoalaBlogDbContext dbContext = new KoalaBlogDbContext()) { //1. Create a test person obj. PersonHandler perHandler = new PersonHandler(dbContext); Person p = new Person() { RealName = "testJay", NickName = "testMayBeJay", Gender = Gender.Female, DOB = new DateTime(2015, 8, 23), RealNameAccessLevel = PersonInfoAccessInfo.MyselfOnly, SexualTrendAccessLevel = PersonInfoAccessInfo.MyselfOnly, MaritalStatusAccessLevel = PersonInfoAccessInfo.MyselfOnly, QQAccessLevel = PersonInfoAccessInfo.MyselfOnly, DOBAccessLevel = PersonInfoAccessInfo.MyselfOnly, BloodTypeAccessLevel = PersonInfoAccessInfo.MyselfOnly, HomePageAccessLevel = PersonInfoAccessInfo.MyselfOnly }; perHandler.Add(p); await perHandler.SaveChangesAsync(); Assert.AreNotEqual(p.ID, 0); //2. Modify person info. Person beModifiedPerson = await perHandler.GetByIdAsync(p.ID); beModifiedPerson.RealName = "testGoodMan"; beModifiedPerson.NickName = "testIAMGoodMan"; beModifiedPerson.Gender = Gender.Male; beModifiedPerson.DOB = new DateTime(2015, 8, 21); beModifiedPerson.RealNameAccessLevel = PersonInfoAccessInfo.All; beModifiedPerson.DOBAccessLevel = PersonInfoAccessInfo.FollowerOnly; await perHandler.ModifyPersonInfoAsync(beModifiedPerson); //3. Test the modified person. Person modifiedPerson = await perHandler.GetByIdAsync(p.ID); Assert.IsNotNull(modifiedPerson); Assert.AreEqual(modifiedPerson.RealName, "testGoodMan"); Assert.AreEqual(modifiedPerson.NickName, "testIAMGoodMan"); Assert.AreEqual(modifiedPerson.Gender, Gender.Male); Assert.AreEqual(modifiedPerson.RealNameAccessLevel, PersonInfoAccessInfo.All); Assert.AreEqual(modifiedPerson.DOBAccessLevel, PersonInfoAccessInfo.FollowerOnly); Assert.AreEqual(modifiedPerson.HomePageAccessLevel, PersonInfoAccessInfo.MyselfOnly); } }
public async Task Test_02_ModifyPersonNickNameAsync() { using(KoalaBlogDbContext dbContext = new KoalaBlogDbContext()) { //1. Create a test person obj. PersonHandler perHandler = new PersonHandler(dbContext); Person p = new Person() { RealName = "testMike", NickName = "testIAMMike", Gender = Gender.Male, DOB = new DateTime(2015, 7, 15), RealNameAccessLevel = PersonInfoAccessInfo.MyselfOnly, SexualTrendAccessLevel = PersonInfoAccessInfo.MyselfOnly, MaritalStatusAccessLevel = PersonInfoAccessInfo.MyselfOnly, QQAccessLevel = PersonInfoAccessInfo.MyselfOnly, DOBAccessLevel = PersonInfoAccessInfo.MyselfOnly, BloodTypeAccessLevel = PersonInfoAccessInfo.MyselfOnly, HomePageAccessLevel = PersonInfoAccessInfo.MyselfOnly }; perHandler.Add(p); await perHandler.SaveChangesAsync(); Assert.AreNotEqual(p.ID, 0); //2. Modify the person nick name and test it. bool isSucceed = await perHandler.ModifyPersonNickNameAsync(p.ID, "testIAMShy"); Assert.IsTrue(isSucceed); //2.1 Get the person by id Person modifiedPerson = await perHandler.GetByIdAsync(p.ID); Assert.IsNotNull(modifiedPerson); Assert.AreEqual(modifiedPerson.NickName, "testIAMShy"); Assert.AreEqual(modifiedPerson.RealName, "testMike"); Assert.AreEqual(modifiedPerson.Gender, Gender.Male); Assert.AreEqual(modifiedPerson.DOB, new DateTime(2015, 7, 15)); Assert.AreEqual(modifiedPerson.RealNameAccessLevel, PersonInfoAccessInfo.MyselfOnly); //3. Give the error parameter and test it. bool isChecked = false; try { isSucceed = await perHandler.ModifyPersonNickNameAsync(0, "testSorryShy"); } catch (Exception ex) { isChecked = true; Assert.AreEqual(ex.GetType(), typeof(AssertException)); Assert.AreEqual(ex.Message, "personId must be greater than zero"); } Assert.IsTrue(isChecked); isChecked = false; try { isSucceed = await perHandler.ModifyPersonNickNameAsync(0, ""); } catch (Exception ex) { isChecked = true; Assert.AreEqual(ex.GetType(), typeof(AssertException)); AssertException assertException = ex as AssertException; Assert.IsNotNull(assertException.ExceptionMessageList); Assert.AreEqual(assertException.ExceptionMessageList.Count, 2); Assert.AreEqual(assertException.ExceptionMessageList[0], "personId must be greater than zero"); Assert.AreEqual(assertException.ExceptionMessageList[1], "nickName can't be empty"); } Assert.IsTrue(isChecked); isChecked = false; try { isSucceed = await perHandler.ModifyPersonNickNameAsync(99999999, "testIAMShy"); } catch (Exception ex) { isChecked = true; Assert.AreEqual(ex.GetType(), typeof(AssertException)); Assert.AreEqual(ex.Message, "This person doesn't exist"); } Assert.IsTrue(isChecked); } }
/// <summary> /// 添加一条评论 /// </summary> /// <param name="personId">评论者ID</param> /// <param name="blogId">评论的BlogID</param> /// <param name="content">评论内容</param> /// <param name="photoContentIds">评论的附件ID(仅限图片)</param> /// <param name="baseCommentId">被评论的CommentID</param> /// <returns></returns> public async Task<Comment> AddCommentAsync(long personId, long blogId, string content, List<long> photoContentIds = null, long? baseCommentId = null) { BlogHandler blogHandler = new BlogHandler(_dbContext); GroupHandler groupHandler = new GroupHandler(_dbContext); PersonHandler perHandler = new PersonHandler(_dbContext); //1. 检查要评论的Blog是否存在。 Blog beCommentBlog = await blogHandler.GetByIdAsync(blogId); //2. 如果为空或者被逻辑删除,则Exception。 if (beCommentBlog == null || beCommentBlog.IsDeleted) { throw new DisplayableException("要评论的Blog不存在或者已经被删除"); } //2.1 自己评论自己的Blog永远可以,所以只需要判断不同的PersonID。 if(beCommentBlog.PersonID != personId) { //3. 检查当前用户是否被该评论Blog的用户加入了黑名单,如果是则不能进行评论。 Group beCommentBlogPersonBlackList = await groupHandler.Include(x => x.GroupMembers).SingleOrDefaultAsync(x => x.PersonID == beCommentBlog.PersonID && x.Type == GroupType.BlackList); if (beCommentBlogPersonBlackList != null && beCommentBlogPersonBlackList.GroupMembers.Count > 0) { bool isBlocked = beCommentBlogPersonBlackList.GroupMembers.Select(x => x.PersonID).Contains(personId); if (isBlocked) { throw new DisplayableException("由于用户设置,你无法回复评论。"); } } //4. 检查评论Blog的用户消息设置,是否允许评论。 Person beCommentBlogPerson = await perHandler.GetByIdAsync(beCommentBlog.PersonID); if (beCommentBlogPerson != null) { //4.1 如果评论只允许关注的人评论,则判断Blog的用户的是否关注了当前用户。 if (beCommentBlogPerson.AllowablePersonForComment == AllowablePersonForComment.FollowerOnly) { //4.2 判断关注的人集合是否已经加载。 if (!_dbContext.Entry(beCommentBlogPerson).Collection(x => x.MyFollowingPersons).IsLoaded) { _dbContext.Entry(beCommentBlogPerson).Collection(x => x.MyFollowingPersons).Load(); } bool isFollow = beCommentBlogPerson.MyFollowingPersons.Select(x => x.FollowingID).Contains(personId); if (!isFollow) { throw new DisplayableException("由于用户设置,你无法回复评论。"); } } //4.3 如果评论只允许粉丝评论,则判断当前用户是否关注了该Blog用户。 else if (beCommentBlogPerson.AllowablePersonForComment == AllowablePersonForComment.FansOnly) { //4.4 判断粉丝集合是否已经加载。 if (!_dbContext.Entry(beCommentBlogPerson).Collection(x => x.MyFans).IsLoaded) { _dbContext.Entry(beCommentBlogPerson).Collection(x => x.MyFans).Load(); } bool isFans = beCommentBlogPerson.MyFans.Select(x => x.FollowerID).Contains(personId); if (!isFans) { throw new DisplayableException("由于用户设置,你无法回复评论。"); } } } //5. 检查评论Blog的用户消息设置,是否允许评论附带图片。 if(photoContentIds != null && photoContentIds.Count > 0) { if(!beCommentBlogPerson.AllowCommentAttachContent) { throw new DisplayableException("由于用户设置,你回复评论无法添加图片。"); } } } using(var dbTransaction = _dbContext.Database.BeginTransaction()) { try { //6. 建立Comment对象并保存。 Comment comment = new Comment() { PersonID = personId, BlogID = blogId, Content = content }; this.Add(comment); await SaveChangesAsync(); //7. 判断是否有图片,有则建立与Comment的关联。 if (photoContentIds != null && photoContentIds.Count > 0) { if(photoContentIds.Count > 6) { throw new DisplayableException("评论最多附件6张图片"); } ContentHandler contentHandler = new ContentHandler(_dbContext); //7.1 判断附件是否为图片。 List<Content> photoContents = await contentHandler.Fetch(x => photoContentIds.Contains(x.ID)).ToListAsync(); if(!photoContents.Any(x => x.Type == ContentType.Photo)) { throw new DisplayableException("评论只能附件图片"); } //7.2 建立Comment与Content的关联。 CommentXContentHandler cxcHandler = new CommentXContentHandler(_dbContext); foreach (var photoContentId in photoContentIds) { CommentXContent cxc = new CommentXContent() { CommentID = comment.ID, ContentID = photoContentId }; cxcHandler.Add(cxc); } await SaveChangesAsync(); } //8. 判断当前评论是否评论Blog里的其他评论,如果是则建立关联。 if(baseCommentId != null) { //8.1 判断被评论ID是否存在。 Comment baseComment = await GetByIdAsync(baseCommentId); if(baseComment == null) { throw new DisplayableException("此评论不存在或者已经被删除"); } //8.2 判断被评论的BlogID是否与当前评论的BlogID一致。 if(baseComment.BlogID != blogId) { throw new DisplayableException("此评论的BlogID与被评论的BlogID不一致"); } //8.3 建立关联。 CommentXCommentHandler cxcHandler = new CommentXCommentHandler(_dbContext); CommentXComment cxc = new CommentXComment() { BaseCommentID = (long)baseCommentId, NewCommentID = comment.ID }; cxcHandler.Add(cxc); await SaveChangesAsync(); } dbTransaction.Commit(); return comment; } catch (Exception) { dbTransaction.Rollback(); throw; } } }
/// <summary> /// 获取用户自己的Blog /// </summary> /// <param name="personId">PersonID</param> /// <param name="pageIndex">页索引</param> /// <param name="pageSize">页大小</param> /// <returns></returns> public async Task<List<BlogDTO>> GetOwnBlogs(long personId, int pageIndex, int pageSize) { using (KoalaBlogDbContext dbContext = new KoalaBlogDbContext()) { List<BlogDTO> blogDtoList = null; BlogHandler blogHandler = new BlogHandler(dbContext); //1. 获取用户的Blogs集合。 var blogs = await blogHandler.GetBlogsByPersonId(personId, pageIndex, pageSize); if(blogs.Count > 0) { PersonHandler perHandler = new PersonHandler(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. 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. 获取评论数量。 blogDto.CommentCount = await commentHandler.GetCommentCountAsync(blog.ID); //6. 获取转发数量。 blogDto.RepostCount = await bxbHandler.GetRepostCountAsync(blog.ID); //7. 获取点赞数量和用户是否已经点赞。 Tuple<int, bool> likeObj = await GetLikeObjectAsync(personId, blog.ID); blogDto.IsLike = likeObj.Item2; blogDto.LikeCount = likeObj.Item1; blogDtoList.Add(blogDto); } } return blogDtoList; } }
/// <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; } }