public IList<FacebookPost> GetPostsInFeed(FacebookImportOptions opts)
{
Ensure.That(() => opts).IsNotNull();
DateTime? since = opts.Since;
string url = GRAPH_FEED_LIMITED.FormatWith(opts.Feed, PAGE_LIMIT);
if (since.HasValue)
{
string date = since.Value.ToIso8601();
url = GRAPH_FEED_SINCE.FormatWith(url, date);
}
IList<FacebookPost> result = FetchAll(url, since, opts.Log);
return result;
}
/// <summary>
/// Imports a list of posts from Facebook, filters them and inserts into the persistance storage.
/// </summary>
public void Import(FacebookImportOptions opts)
{
int insertCount = 0;
const string LINK_EXISTS = "Link exists: {0}";
const string LINK_INSERTION = "Inserted Link #{0}";
const string POST_INSERTION = "Inserted Post #{0}";
IEnumerable<FacebookPost> posts = fbRepository.GetPostsInFeed(opts);
foreach (FacebookPost fbPost in posts)
{
if (fbPost.Link == null || fbPost.Type != FacebookPostType.Link) // only links.
{
continue;
}
Link link = linkRepository.GetByReferenceUri(fbPost.Link);
if (link != null)
{
log.Debug(LINK_EXISTS.FormatWith(link.ReferenceUri));
if (link.PostId.HasValue) // if link exists and it has a related post, ignore it.
{
continue;
}
}
else
{
link = mapper.Map<FacebookPost, Link>(fbPost);
linkRepository.Insert(link);
log.Debug(LINK_INSERTION.FormatWith(link.Id));
}
Post post = mapper.Map<FacebookPost, Post>(fbPost);
User user = userRepository.GetByFacebookGraphId(post.FacebookUserId);
post.LinkId = link.Id;
post.UserId = user == null ? (long?)null : user.Id;
postRepository.Insert(post);
log.Debug(POST_INSERTION.FormatWith(post.Id));
insertCount++;
}
opts.Log.InsertCount = insertCount;
}
public void Import(string feed)
{
Ensure.That(() => feed).IsNotNull();
FacebookImportLog entry = new FacebookImportLog
{
FacebookFeedId = feed,
StartDate = DateTime.UtcNow
};
DateTime? since = logRepository.GetFacebookImportDate(feed);
FacebookImportOptions options = new FacebookImportOptions
{
Feed = feed,
Log = entry,
Since = since
};
importerService.Import(options);
entry.Duration = DateTime.UtcNow - entry.StartDate;
logRepository.UpdateFacebookImportLog(entry);
}