public IActionResult Add(int id)
{
try
{
if (id == UserModel.Id)
{
return(Json(false.ToResult("不能关注自己")));
}
var entity = new Follow {
FollowAccountId = id
};
entity.AccountId = UserModel.Id;
entity.CreateTime = DateTime.Now;
_context.Follow.Add(entity);
_context.SaveChanges();
return(Json(true.ToResult()));
}
catch (DbUpdateException ex)
{
return(Json(false.ToResult("请勿重复操作")));
}
catch (Exception ex)
{
return(Json(false.ToResult("未知错误，请联系管理人员")));
}
}
public IActionResult CatalogAdd(CatalogModel model)
{
var entity = model.MapTo <CatalogModel, Catalog>();
entity.CreateTime = DateTime.Now;
entity.Cover = model.Cover.Upload(_hostEnvironment.WebRootPath, "catalog");
_context.Catalog.Add(entity);
_context.SaveChanges();
return(Json(true.ToResult()));
}
public IActionResult Update(AccountModel model)
{
if (!string.IsNullOrWhiteSpace(model.NickName) && Encoding.UTF8.GetByteCount(model.NickName) <= 16)
{
var entity = _context.Account.Find(model.Id);
entity.NickName = model.NickName;
_context.Account.Update(entity);
_context.SaveChanges();
}
return(RedirectToAction("Info", "My"));
}
public IActionResult Publish(CommentModel model)
{
model.AccountId = UserModel.Id;
if (model.AccountId == model.QuoteAccountId)
{
return(Json(false.ToResult("不能引用自己")));
}
// 发表评论
var entity = model.MapTo <CommentModel, Comment>();
entity.CreateTime = DateTime.Now;
_context.Comment.Add(entity);
int affect = _context.SaveChanges();
if (affect > 0)
{
return(Json(true.ToResult()));
}
return(Json(false.ToResult()));
}
public IActionResult Feedback(FeedbackModel model)
{
var entity = model.MapTo <FeedbackModel, Feedback>();
entity.CreateTime = DateTime.Now;
_context.Feedback.Add(entity);
int affect = _context.SaveChanges();
if (affect > 0)
{
return(RedirectToAction("Success", "Home"));
}
return(RedirectToAction("Error", "Home"));
}
public IActionResult Register(AccountModel model)
{
if (!Regex.IsMatch(model.Account1, @"^[a-z|A-z|_]\w{3,29}$") || !Regex.IsMatch(model.Password, @"^\w{6,20}$") || string.IsNullOrWhiteSpace(model.NickName) || Encoding.UTF8.GetByteCount(model.NickName) > 16)
{
return(View(model));
}
var entity = new Account();
entity.Account1 = model.Account1.ToLower();
entity.NickName = model.NickName;
entity.Avatar = "/images/avatar_none.png";
entity.Password = Md5Helper.Encrypt(model.Password);
entity.CreateTime = DateTime.Now;
_context.Account.Add(entity);
_context.SaveChanges();
return(RedirectToAction("Index", "Home"));
}
public IActionResult Detail(int id, int page = 1)
{
var model = _context.Topic.Find(id).MapTo <Topic, TopicModel>(); // 主题
model.Catalog = _context.Catalog.Find(model.CatalogId).MapTo <Catalog, CatalogModel>(); // 话题
model.Catalog.TopicCount = _context.Topic.Where(x => x.CatalogId == model.CatalogId).Count(); // 主题总数
model.Account = _context.Account.Find(model.AccountId).MapTo <Account, AccountModel>(); // 用户
/*****标签*****/
//string tagSql = @"SELECT T1.Id, T1.TagName, T1.CreateTime FROM tag T1
// INNER JOIN topic_tag T2 ON T1.Id = T2.TagId
// WHERE T2.TopicId = @TopicId ORDER BY T1.Id ASC";
//var parameter = _context.Database.GetDbConnection().CreateParameter("@TopicId", id);
//model.TagList = _context.Tag.FromSqlRaw(tagSql, parameter).ToList().MapTo<List<Tag>, List<TagModel>>(); // 原生SQL写法
//model.TagList = (from tag in _context.Tag join topictag in _context.TopicTag on tag.Id equals topictag.TagId where topictag.TopicId == id select tag).OrderBy(x => x.Id).ToList().MapTo<List<Tag>, List<TagModel>>(); // Linq写法
model.TagList = _context.Tag.Join(_context.TopicTag.Where(x => x.TopicId == id), tag => tag.Id, topictag => topictag.TagId, (tag, topictag) => tag).OrderBy(x => x.Id).ToList().MapTo <List <Tag>, List <TagModel> >(); // Lamda写法
model.IsThumbsUp = _context.ThumbsUp.Any(x => x.ItemId == model.Id && x.IsThumb && x.AccountId == UserModel.Id && x.ItemType == ThumbsUpItemType.Topic.ToValue()); // 当前登录人主题是否赞
model.IsThumbsDown = _context.ThumbsUp.Any(x => x.ItemId == model.Id && !x.IsThumb && x.AccountId == UserModel.Id && x.ItemType == ThumbsUpItemType.Topic.ToValue()); // 当前登录人主题是否踩
model.IsFavorite = _context.Favorite.Any(x => x.ItemId == model.Id && x.AccountId == UserModel.Id); // 当前登录人主题是否收藏
// 评论列表，默认取15条
model.CommentList = _context.Comment.Where(x => x.TopicId == id).OrderBy(x => x.Id).ToPagedList <Comment, CommentModel>(page, 15);
// 评论所属用户
var accountIdList = model.CommentList.Select(x => x.AccountId).ToList();
var accounts = _context.Account.Where(x => accountIdList.Contains(x.Id)).ToList().MapTo <List <Account>, List <AccountModel> >();
// 评论引用用户
var quoteIdList = model.CommentList.Select(x => x.QuoteAccountId).Distinct().ToList();
var quotes = _context.Account.Where(x => quoteIdList.Contains(x.Id)).ToList().MapTo <List <Account>, List <AccountModel> >();
// 当前登录人评论是否赞/踩
var commentIdList = model.CommentList.Select(x => x.Id).ToList();
var thumbsUpList = _context.ThumbsUp.Where(x => commentIdList.Contains(x.ItemId) && x.AccountId == UserModel.Id && x.ItemType == ThumbsUpItemType.Comment.ToValue()).ToList(); // 当前登录人评论赞/踩列表
model.CommentList.ForEach(item =>
{
item.Account = accounts.FirstOrDefault(x => x.Id == item.AccountId); // 评论所属用户
var quoteAccount = quotes.FirstOrDefault(x => x.Id == item.QuoteAccountId);
if (quoteAccount != null)
{
item.QuoteAccount = quoteAccount; // 评论引用用户
}
item.IsThumbsUp = thumbsUpList.Any(x => x.ItemId == item.Id && x.IsThumb); // 当前登录人评论是否赞
item.IsThumbsDown = thumbsUpList.Any(x => x.ItemId == item.Id && !x.IsThumb); // 当前登录人评论是否踩
});
_context.Database.ExecuteSqlRaw($"UPDATE topic SET TrailCount = TrailCount + 1 where Id = {id}"); // 更新浏览数
_context.SaveChanges();
// 插入浏览记录
if (UserModel.IsLogin && UserModel.Id > 0)
{
_context.Trail.Add(new Trail
{
AccountId = UserModel.Id,
ItemId = id,
CreateTime = DateTime.Now
});
_context.SaveChanges();
}
return(View(model));
}