public bool Insert(IRedditPost redditPost)
{
long countDocuments = _context.MonitoredPosts.CountDocuments(p => p.FullName.Equals(redditPost.FullName));
if (countDocuments > 0)
{
_logger.LogWarning("Post with FullName [{}] already watched, skipping", redditPost.FullName);
return(false);
}
var document = _mapper.Map <RedditMonitoredPostDocument>(redditPost);
document.IterationNumber = 1;
document.Age = DateTimeOffset.UtcNow - document.CreatedUTC;
_context.MonitoredPosts.InsertOne(document);
return(true);
}
public void AddVersion(IRedditPost newVersion)
{
var newPostVersion = _mapper.Map <RedditMonitoredPostDocument>(newVersion);
if (!(Get(newPostVersion.FullName) is RedditMonitoredPostDocument oldVersion))
{
throw new PostMonitorException($"Could not find original version for post id [{newVersion.Id}]");
}
newPostVersion.IterationNumber = oldVersion.IterationNumber + 1;
newPostVersion.Age = DateTimeOffset.UtcNow - oldVersion.CreatedUTC;
newPostVersion.Id = oldVersion.Id;
_context.MonitoredPosts.ReplaceOne(p => p.FullName == newPostVersion.FullName, newPostVersion);
_context.MonitoredPostVersions.InsertOne(_mapper.Map <RedditMonitoredPostVersionDocument>(oldVersion));
}
private void OnNext(IRedditPost post)
{
TimeSpan age = DateTimeOffset.UtcNow - post.CreatedUTC;
if (age > _newPostMaxAge)
{
_logger.LogInformation("Post [{FullName}] is discarded because it's already too old", post.FullName);
return;
}
if (!_monitoredPostRepository.Insert(post))
{
return;
}
_logger.LogInformation(@"Adding post [{FullName}] to watch list [{CurrentCount}]",
post.FullName,
_monitoredPostRepository.CountMonitoredPosts());
}
