public Post AddNewPost(string postContent, Topic topic, User user, out PermissionSet permissions)
{
permissions = _roleService.GetPermissions(topic.Category, UsersRole(user));
if (permissions[AppConstants.PermissionDenyAccess].IsTicked || permissions[AppConstants.PermissionReadOnly].IsTicked)
{
throw new ApplicationException("");
}
var comment = new Post
{
PostContent = postContent,
User = user,
Topic = topic,
IpAddress = StringUtils.GetUsersIpAddress(),
PostType = PostType.comment.ToString(),
DateCreated = DateTime.UtcNow,
DateEdited = DateTime.UtcNow
};
comment = SanitizePost(comment);
Add(comment);
return comment;
}
public Topic Add(Topic topic)
{
topic = SanitizeTopic(topic);
topic.CreateDate = DateTime.UtcNow;
//此处应有修改
topic.Slug = topic.Name;
return this._topicRepository.Add(topic);
}
public void DeleteByTopic(Topic topic)
{
var tags = topic.Tags;
foreach (var topicTag in tags)
{
// If this tag has a count of topics greater than this one topic
// then its tagged by more topics so don't delete
if (topicTag.Topics.Count() <= 1)
{
_tagRepository.Delete(topicTag);
}
}
}
public Topic AddLastPost(Topic topic, string postContent)
{
topic = SanitizeTopic(topic);
var post = new Post
{
DateCreated = DateTime.UtcNow,
DateEdited = DateTime.UtcNow,
PostContent = StringUtils.GetSafeHtml(postContent),
User = topic.User,
Topic = topic,
IpAddress = StringUtils.GetUsersIpAddress(),
PostType = "topic"
};
this._postRepository.Add(post);
topic.Posts.Add(post);
return topic;
}
public void Add(string tags, Topic topic)
{
if (!string.IsNullOrEmpty(tags))
{
tags = StringUtils.SafePlainText(tags);
var splitTags = tags.Replace(" ", "").Split(',');
if (topic.Tags == null)
{
topic.Tags = new List<TopicTag>();
}
var newTagNames = splitTags.Select(tag => tag);
var newTags = new List<TopicTag>();
var existingTags = new List<TopicTag>();
foreach (var newTag in newTagNames.Distinct())
{
var tag = this._tagRepository.GetTagName(newTag);
if (tag != null)
{
existingTags.Add(tag);
tag.Topics.Add(topic);
}
else
{
var nTag = new TopicTag
{
Tag = newTag,
Slug = ServiceHelpers.CreateUrl(newTag),
Topics = new List<Topic> { topic }
};
this._tagRepository.Add(nTag);
newTags.Add(nTag);
}
}
newTags.AddRange(existingTags);
topic.Tags = newTags;
}
}
public Topic Add(Topic topic)
{
this._context.Topic.Add(topic);
return topic;
}
public ActionResult New(CreateTopicViewModel model)
{
if(ModelState.IsValid)
{
Category category;
var topic = new Topic();
using (var unitOfWork = UnitOfWorkManager.NewUnitOfWork())
{
category = this._categoryService.Get(model.Category);
var permissions = RoleService.GetPermissions(category, UsersRole);
if (permissions[AppConstants.PermissionDenyAccess].IsTicked ||
permissions[AppConstants.PermissionReadOnly].IsTicked ||
permissions[AppConstants.PermissionCreateTopics].IsTicked)
{
ModelState.AddModelError(string.Empty, "No Permission");
}
else
{
topic = new Topic
{
Name = model.Name,
Category = category,
User = LoggedOnUser
};
if (!string.IsNullOrEmpty(model.Content))
{
topic = this._topicService.Add(topic);
unitOfWork.SaveChanges();
this._topicService.AddLastPost(topic, model.Content);
// 添加标签
if (!string.IsNullOrEmpty(model.Tags))
{
this._topicTagService.Add(model.Tags.ToLower(), topic);
}
try
{
unitOfWork.Commit();
return Redirect(topic.NiceUrl);
}
catch (Exception ex)
{
unitOfWork.Rollback();
LoggingService.Error(ex);
ModelState.AddModelError(string.Empty, "添加主题失败");
}
}
else
{
unitOfWork.Rollback();
ModelState.AddModelError(string.Empty, "添加主题失败");
}
}
}
}
return RedirectToAction("New");
}
public IEnumerable<TopicTag> GetByTopic(Topic topic)
{
return this._tagRepository.GetByTopic(topic);
}
public Topic SanitizeTopic(Topic topic)
{
topic.Name = StringUtils.SafePlainText(topic.Name);
return topic;
}
public IEnumerable<TopicTag> GetByTopic(Topic topic)
{
return _context.TopicTag
.Where(x => x.Topics.Contains(topic))
.ToList();
}
