public async Task <bool> AddBookmarkAsync(long userId, long timelineId)
{
await _userService.ThrowIfUserNotExist(userId);
await _timelineService.ThrowIfTimelineNotExist(timelineId);
if (await _database.BookmarkTimelines.AnyAsync(t => t.TimelineId == timelineId && t.UserId == userId))
{
return(false);
}
_database.BookmarkTimelines.Add(new BookmarkTimelineEntity
{
TimelineId = timelineId,
UserId = userId,
Rank = (await _database.BookmarkTimelines.CountAsync(t => t.UserId == userId)) + 1
});
await _database.SaveChangesAsync();
return(true);
}
public async Task <bool> AddHighlightTimelineAsync(long timelineId, long?operatorId)
{
await _timelineService.ThrowIfTimelineNotExist(timelineId);
if (operatorId.HasValue)
{
await _userService.ThrowIfUserNotExist(operatorId.Value);
}
var alreadyIs = await _database.HighlightTimelines.AnyAsync(t => t.TimelineId == timelineId);
if (alreadyIs)
{
return(false);
}
_database.HighlightTimelines.Add(new HighlightTimelineEntity {
TimelineId = timelineId, OperatorId = operatorId, AddTime = _clock.GetCurrentTime(), Order = await _database.HighlightTimelines.CountAsync() + 1
});
await _database.SaveChangesAsync();
return(true);
}
public async Task <List <TimelinePostEntity> > GetPostsAsync(long timelineId, DateTime?modifiedSince = null, bool includeDeleted = false)
{
await _basicTimelineService.ThrowIfTimelineNotExist(timelineId);
modifiedSince = modifiedSince?.MyToUtc();
IQueryable <TimelinePostEntity> query = _database.TimelinePosts.Where(p => p.TimelineId == timelineId);
if (!includeDeleted)
{
query = query.Where(p => !p.Deleted);
}
if (modifiedSince.HasValue)
{
query = query.Where(p => p.LastUpdated >= modifiedSince || (p.Author != null && p.Author.UsernameChangeTime >= modifiedSince));
}
query = query.OrderBy(p => p.Time);
return(await query.ToListAsync());
}
