private void MaisuSum()
{
label10.Text = GetMaisuTotal().ToString("#,##0");
int Zan;
Zan = Int32.Parse(label8.Text, System.Globalization.NumberStyles.Any) - Int32.Parse(label10.Text, System.Globalization.NumberStyles.Any);
label7.Text = Zan.ToString("#,##0");
if (Zan < 0)
{
label7.ForeColor = Color.Red;
MessageBox.Show("ポスティングエリア枚数が配布枚数を超えています", MESSAGE_CAPTION, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
label7.ForeColor = Color.Black;
}
}
/// <summary>
/// 当前用户对帖子点赞
/// </summary>
public async Task ZanPostAsync(Guid postId)
{
Guid? personId = httpContextAccessor.HttpContext.User.GetUserId();
string sessionId = httpContextAccessor.HttpContext.Session.Id;
Zan zan = null;
DateTime now = DateTime.Now;
using (var work = this.dbFactory.StartWork())
{
Post post = await work.Post.SingleByIdAsync(postId);
if (post == null || post.PostStatus != Enums.PostStatus.Publish)
{
throw new Exception("该帖子不存在或已被删除");
}
// 如果是匿名用户
if (personId == null)
{
if (!(await work.Zan.IsZanAsync(sessionId, postId, Enums.ZanType.Post)))
{
//添加赞记录
zan = new Zan
{
Id = GuidHelper.CreateSequential(),
SessionId = this.httpContextAccessor.HttpContext.Session.Id,
CommentId = null,
DoTime = now,
PersonId = null,
PostId = postId,
ZanType = Enums.ZanType.Post
};
}
}
else
{
// 如果是登录用户
if (!(await work.Zan.IsZanAsync(personId.Value, postId, Enums.ZanType.Post)))
{
zan = new Zan
{
Id = GuidHelper.CreateSequential(),
SessionId = this.httpContextAccessor.HttpContext.Session.Id,
CommentId = null,
DoTime = now,
PersonId = personId.Value,
PostId = postId,
ZanType = Enums.ZanType.Post
};
}
}
if (zan != null)
{
using (var trans = work.BeginTransaction())
{
try
{
await work.Zan.InsertAsync(zan, trans);
// 累计帖子赞
await work.Connection.IncreaseAsync(nameof(Post), nameof(Post.LikeNum), nameof(Post.Id), postId, trans);
// 累计作者赞
await work.Connection.IncreaseAsync(nameof(PersonData), nameof(PersonData.LikeNum), nameof(PersonData.PersonId), post.PersonId, trans);
trans.Commit();
}
catch (Exception)
{
trans.Rollback();
throw;
}
}
}
}
}