internal static int? GetThreadIdOrNull(Timeline tl)
{
if (tl == null) return null;
if (tl.Type != TimelineType.PersonalThread) return null;
var value = tl.RouteValues["threadId"] as IConvertible;
if (value == null) return null;
return Convert.ToInt32(value);
}
public ActionResult CreatePersonalThread(string body, HttpPostedFileBase uploadedFile)
{
if (string.IsNullOrEmpty(body))
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
// ユーザーのマイページスレッドを新規追加する
db.Users.Attach(ctx.CurrentUser);
var newThread = new PersonalThread()
{
// マイページスレッドにはスレッド名は不要だが、Required属性がついているため日時を設定しておく。
ThreadName = ctx.Now.ToString("yyyy/MM/dd HH:mm:ss"),
// マイページスレッドには期間は不要。
Duration = null,
OwnerUser = (ParticipantUser)ctx.CurrentUser
};
db.Threads.Add(newThread);
var newMessage = threadBusiness.AddMessage(newThread, body, uploadedFile);
try
{
db.SaveChanges();
}
catch (System.Data.Entity.Infrastructure.DbUpdateException ex)
{
var es = ex.Entries.ToArray();
var iex = ex.InnerException as OptimisticConcurrencyException;
System.Diagnostics.Debugger.Break();
throw;
}
// 自分のおよび友人のタイムラインを更新する
// TODO: 非同期処理の検討
var myTimeLine = new Timeline
{
OwnerID = ctx.CurrentUser.ID,
Timestamp = ctx.Now,
Type = TimelineType.PersonalThread,
RouteValuesJSON = Timeline.ToJSON(new { threadId = newThread.ID }),
};
var friends = new Business.FriendGraph(db)
.GetFriends(ctx.CurrentUser.ID);
var summary = newMessage.BodySummary;
var friendTimeLines = friends.Select(u => new Timeline
{
OwnerID = u.ID,
Timestamp = ctx.Now,
Type = TimelineType.FriendThread,
SourceName = ctx.CurrentUser.DisplayName,
Summary = summary,
ActionName = "Index",
ControllerName = "User",
RouteValuesJSON = Timeline.ToJSON(new { id = ctx.CurrentUser.ID, threadId = newThread.ID }),
});
using (var publisher = new Business.TimelinePublisher())
{
publisher.Publish(new[] { myTimeLine }.Concat(friendTimeLines));
}
return RedirectToAction("Index");
}