/// <summary>
/// 创建回答
/// </summary>
/// <remarks>
/// 1.登录用户可以回答问题
/// 2.问题提问者不得回答自己的问题
/// 3.每个回答者针对每个问题只能回答一次
/// </remarks>
public static bool Answer_Create(this Authorizer authorizer, AskQuestion question, out string errorMessage)
{
errorMessage = string.Empty;
IUser currentUser = UserContext.CurrentUser;
if (currentUser == null)
{
errorMessage = "您需要先登录，才能回答";
return(false);
}
if (question.UserId == currentUser.UserId)
{
errorMessage = "提问者不可以回答自己的问题";
return(false);
}
if (question.Status != QuestionStatus.Unresolved)
{
errorMessage = "只有未解决状态的问题，才能回答";
return(false);
}
AskAnswer answer = new AskService().GetUserAnswerByQuestionId(currentUser.UserId, question.QuestionId);
if (answer != null)
{
errorMessage = "您已经回答过一次，不可重复回答";
return(false);
}
bool result = authorizer.AuthorizationService.Check(currentUser, PermissionItemKeys.Instance().Ask_CreateAnswer());
if (!result && currentUser.IsModerated)
{
errorMessage = Resources.Resource.Description_ModeratedUser_CreateAnswerDenied;
}
return(result);
}
/// <summary>
/// 转换成AskAnswer类型
/// </summary>
/// <returns>回答实体</returns>
public AskAnswer AsAskAnswer()
{
AskAnswer askAnswer = null;
//发布回答
if (this.AnswerId == 0)
{
askAnswer = AskAnswer.New();
askAnswer.UserId = UserContext.CurrentUser.UserId;
askAnswer.Author = UserContext.CurrentUser.DisplayName;
askAnswer.IsBest = false;
askAnswer.QuestionId = this.QuestionId;
}
//编辑回答
else
{
AskService askService = new AskService();
askAnswer = askService.GetAnswer(this.AnswerId);
askAnswer.LastModified = DateTime.UtcNow;
}
askAnswer.Body = this.Body;
return(askAnswer);
}
public string GetCommentDetailUrl(long commentedObjectId, long id, long?userId = null)
{
AskAnswer answer = new AskService().GetAnswer(commentedObjectId);
if (answer != null)
{
return(SiteUrls.Instance().AskQuestionDetail(answer.QuestionId));
}
return(null);
}
/// <summary>
/// 获取被评论对象名称
/// </summary>
/// <param name="commentedObjectId">被评论对象Id</param>
/// <param name="tenantTypeId">租户类型Id</param>
/// <returns></returns>
public string GetCommentedObjectName(long commentedObjectId, string tenantTypeId)
{
if (tenantTypeId == TenantTypeIds.Instance().AskAnswer())
{
AskAnswer askAnswer = new AskService().GetAnswer(commentedObjectId);
if (askAnswer != null)
{
return(askAnswer.Body);
}
}
return(string.Empty);
}
/// <summary>
/// 获取被评论对象名称
/// </summary>
/// <param name="commentedObjectId">被评论对象Id</param>
/// <param name="tenantTypeId">租户类型Id</param>
/// <returns></returns>
public string GetCommentedObjectName(long commentedObjectId, string tenantTypeId)
{
if (tenantTypeId == TenantTypeIds.Instance().AskQuestion())
{
AskQuestion askQuestion = new AskService().GetQuestion(commentedObjectId);
if (askQuestion != null)
{
return(askQuestion.Subject);
}
}
return(string.Empty);
}
/// <summary>
/// 获取被评论对象(部分)
/// </summary>
/// <param name="commentedObjectId"></param>
/// <returns></returns>
public CommentedObject GetCommentedObject(long commentedObjectId)
{
AskAnswer answer = new AskService().GetAnswer(commentedObjectId);
if (answer != null)
{
CommentedObject commentedObject = new CommentedObject();
commentedObject.DetailUrl = SiteUrls.Instance().AskQuestionDetail(answer.QuestionId);
commentedObject.Name = answer.Body;
commentedObject.Author = answer.Author;
commentedObject.UserId = answer.UserId;
return(commentedObject);
}
return(null);
}
/// <summary>
/// 获取被评论对象(部分)
/// </summary>
/// <param name="commentedObjectId"></param>
/// <returns></returns>
public CommentedObject GetCommentedObject(long commentedObjectId)
{
AskQuestion question = new AskService().GetQuestion(commentedObjectId);
if (question != null)
{
CommentedObject commentedObject = new CommentedObject();
commentedObject.DetailUrl = SiteUrls.Instance().AskQuestionDetail(commentedObjectId);
commentedObject.Name = question.Subject;
commentedObject.Author = question.Author;
commentedObject.UserId = question.UserId;
return(commentedObject);
}
return(null);
}
/// <summary>
/// 转换成AskQuestion类型
/// </summary>
/// <returns>问题实体</returns>
public AskQuestion AsAskQuestion()
{
AskQuestion askQuestion = null;
//发布问题
if (this.QuestionId == 0)
{
askQuestion = AskQuestion.New();
askQuestion.UserId = UserContext.CurrentUser.UserId;
askQuestion.Author = UserContext.CurrentUser.DisplayName;
askQuestion.Status = QuestionStatus.Unresolved;
if (this.AskUserId > 0)
{
askQuestion.AskUserId = this.AskUserId;
}
if (this.OwnerId.HasValue)
{
askQuestion.OwnerId = this.OwnerId.Value;
askQuestion.TenantTypeId = TenantTypeIds.Instance().Group();
}
else
{
askQuestion.OwnerId = 0;
askQuestion.TenantTypeId = TenantTypeIds.Instance().User();
}
}
//编辑问题
else
{
AskService askService = new AskService();
askQuestion = askService.GetQuestion(this.QuestionId);
askQuestion.LastModified = DateTime.UtcNow;
}
askQuestion.Subject = this.Subject;
askQuestion.Body = this.Body;
askQuestion.LastModifiedUserId = UserContext.CurrentUser.UserId;
askQuestion.LastModifier = UserContext.CurrentUser.DisplayName;
if (this.Reward > askQuestion.Reward && this.Reward <= askQuestion.User.TradePoints)
{
askQuestion.AddedReward = this.Reward - askQuestion.Reward;
askQuestion.Reward = this.Reward;
}
return(askQuestion);
}
/// <summary>
/// 删除用户在应用中的数据
/// </summary>
/// <param name="userId">用户Id</param>
/// <param name="takeOverUserName">用于接管删除用户时不能删除的内容(例如：用户创建的群组)</param>
/// <param name="isTakeOver">是否接管被删除用户可被接管的内容</param>
protected override void DeleteUser(long userId, string takeOverUserName, bool isTakeOver)
{
AskService askService = DIContainer.Resolve <AskService>();
askService.DeleteUser(userId, takeOverUserName, isTakeOver);
}