public PageModels.TopicDisplayPage GetDisplayPageModel(int id, int pageId = 1, int target = 0)
{
var viewModel = new PageModels.TopicDisplayPage();
var record = DbContext.Messages.Find(id);
if (record is null)
{
throw new HttpNotFoundError();
}
var parentId = id;
if (record.ParentId > 0)
{
parentId = record.ParentId;
}
var messageIdQuery = from message in DbContext.Messages
where message.Id == parentId || message.ParentId == parentId
select message.Id;
var messageIds = messageIdQuery.ToList();
if (parentId != id)
{
viewModel.RedirectPath = GetRedirectPath(id, record.ParentId, messageIds);
return(viewModel);
}
if (target > 0)
{
var targetPage = MessageRepository.GetPageNumber(target, messageIds);
if (targetPage != pageId)
{
viewModel.RedirectPath = GetRedirectPath(target, id, messageIds);
return(viewModel);
}
}
var assignedBoardsQuery = from messageBoard in DbContext.MessageBoards
join board in DbContext.Boards on messageBoard.BoardId equals board.Id
where messageBoard.MessageId == record.Id
select board;
var assignedBoards = assignedBoardsQuery.ToList();
var boardRoles = RoleRepository.BoardRoles.Where(r => assignedBoards.Any(b => b.Id == r.BoardId)).Select(r => r.RoleId).ToList();
if (!UserContext.IsAdmin && boardRoles.Any() && !boardRoles.Intersect(UserContext.Roles).Any())
{
throw new HttpForbiddenError();
}
if (pageId < 1)
{
pageId = 1;
}
var take = SettingsRepository.MessagesPerPage();
var skip = take * (pageId - 1);
var totalPages = Convert.ToInt32(Math.Ceiling(1.0 * messageIds.Count / take));
var pageMessageIds = messageIds.Skip(skip).Take(take).ToList();
record.ViewCount++;
DbContext.Update(record);
DbContext.SaveChanges();
var messages = TopicRepository.GetMessages(pageMessageIds);
if (string.IsNullOrEmpty(record.ShortPreview))
{
record.ShortPreview = "No subject";
}
var showFavicons = SettingsRepository.ShowFavicons();
viewModel = new PageModels.TopicDisplayPage {
Id = record.Id,
TopicHeader = new ItemModels.TopicHeader {
StartedById = record.PostedById,
Subject = record.ShortPreview,
Views = record.ViewCount,
},
Messages = messages,
Categories = BoardRepository.CategoryIndex(),
AssignedBoards = new List <ViewModels.Boards.Items.IndexBoard>(),
IsAuthenticated = UserContext.IsAuthenticated,
CanManage = UserContext.IsAdmin || record.PostedById == UserContext.ApplicationUser.Id,
TotalPages = totalPages,
ReplyCount = record.ReplyCount,
ViewCount = record.ViewCount,
CurrentPage = pageId,
ShowFavicons = showFavicons,
ReplyForm = new ItemModels.ReplyForm {
Id = record.Id
}
};
foreach (var assignedBoard in assignedBoards)
{
var indexBoard = BoardRepository.GetIndexBoard(assignedBoard);
viewModel.AssignedBoards.Add(indexBoard);
}
var latestMessageTime = messages.Max(r => r.RecordTime);
TopicRepository.MarkRead(record.Id, latestMessageTime, pageMessageIds);
return(viewModel);
}