public List <ItemModels.MessagePreview> GetPreviews(int boardId, int page, int unread)
{
var participation = new List <DataModels.Participant>();
var viewLogs = new List <DataModels.ViewLog>();
var historyTimeLimit = SettingsRepository.HistoryTimeLimit();
if (UserContext.IsAuthenticated)
{
participation = DbContext.Participants.Where(r => r.UserId == UserContext.ApplicationUser.Id).ToList();
viewLogs = DbContext.ViewLogs.Where(r => r.LogTime >= historyTimeLimit && r.UserId == UserContext.ApplicationUser.Id).ToList();
}
var sortedMessageIds = GetIndexIds(boardId, page, unread, historyTimeLimit, participation, viewLogs);
var messageQuery = from message in DbContext.Messages
where sortedMessageIds.Contains(message.Id)
select new {
message.Id,
message.ShortPreview,
message.ViewCount,
message.ReplyCount,
message.TimePosted,
message.LastReplyId,
message.LastReplyById,
message.LastReplyPosted
};
var messages = messageQuery.ToList();
var take = SettingsRepository.MessagesPerPage();
var popularityLimit = SettingsRepository.PopularityLimit();
var messagePreviews = new List <ItemModels.MessagePreview>();
foreach (var messageId in sortedMessageIds)
{
var message = messages.First(item => item.Id == messageId);
var messagePreview = new ItemModels.MessagePreview {
Id = message.Id,
ShortPreview = string.IsNullOrEmpty(message.ShortPreview.Trim()) ? "No subject" : message.ShortPreview,
Views = message.ViewCount,
Replies = message.ReplyCount,
Pages = Convert.ToInt32(Math.Ceiling(1.0 * message.ReplyCount / take)),
LastReplyId = message.Id,
Popular = message.ReplyCount > popularityLimit,
Pinned = PinRepository.Any(item => item.MessageId == message.Id)
};
messagePreviews.Add(messagePreview);
var lastMessageTime = message.TimePosted;
if (message.LastReplyId != 0)
{
var lastReplyDetails = (from item in DbContext.Messages
join postedBy in DbContext.Users on item.PostedById equals postedBy.Id
where item.Id == message.LastReplyId
select new {
postedBy.DisplayName,
item.ShortPreview
}).FirstOrDefault();
if (lastReplyDetails != null)
{
messagePreview.LastReplyId = message.LastReplyId;
messagePreview.LastReplyPreview = lastReplyDetails.ShortPreview;
messagePreview.LastReplyByName = lastReplyDetails.DisplayName;
messagePreview.LastReplyById = message.LastReplyById;
messagePreview.LastReplyPosted = message.LastReplyPosted.ToPassedTimeString();
messagePreview.LastReplyPostedDT = message.LastReplyPosted;
lastMessageTime = message.LastReplyPosted;
}
}
if (lastMessageTime > historyTimeLimit)
{
messagePreview.Unread = GetUnreadLevel(message.Id, lastMessageTime, participation, viewLogs);
}
}
return(messagePreviews);
}
public ServiceModels.ServiceResponse GetLatest(int messageId)
{
var serviceResponse = new ServiceModels.ServiceResponse();
var record = DbContext.Messages.Find(messageId);
if (record is null)
{
throw new HttpNotFoundError();
}
if (record.ParentId > 0)
{
record = DbContext.Messages.Find(record.ParentId);
}
if (!UserContext.IsAuthenticated)
{
serviceResponse.RedirectPath = UrlHelper.Action(nameof(Controllers.Topics.Display), nameof(Controllers.Topics), new { id = record.LastReplyId });
return(serviceResponse);
}
var historyTimeLimit = SettingsRepository.HistoryTimeLimit();
var viewLogs = DbContext.ViewLogs.Where(r => r.UserId == UserContext.ApplicationUser.Id && r.LogTime >= historyTimeLimit).ToList();
var latestViewTime = historyTimeLimit;
foreach (var viewLog in viewLogs)
{
switch (viewLog.TargetType)
{
case EViewLogTargetType.All:
if (viewLog.LogTime >= latestViewTime)
{
latestViewTime = viewLog.LogTime;
}
break;
case EViewLogTargetType.Message:
if (viewLog.TargetId == record.Id && viewLog.LogTime >= latestViewTime)
{
latestViewTime = viewLog.LogTime;
}
break;
}
}
var messageIdQuery = from message in DbContext.Messages
where message.Id == record.Id || message.ParentId == record.Id
where message.TimePosted > latestViewTime
select message.Id;
var latestMessageId = messageIdQuery.FirstOrDefault();
if (latestMessageId == 0)
{
latestMessageId = record.LastReplyId;
}
if (latestMessageId == 0)
{
latestMessageId = record.Id;
}
serviceResponse.RedirectPath = UrlHelper.Action(nameof(Controllers.Topics.Display), nameof(Controllers.Topics), new { id = latestMessageId });
return(serviceResponse);
}