public void DoSearch()
{
using (var usersContext = _serviceProvider.GetRequiredService <IUsersContext>())
{
var allPrefs = usersContext.Preferences.Include(u => u.User);
foreach (var prefs in allPrefs)
{
try
{
if (!ValidForSearch(prefs))
{
continue;
}
var keywords = PrepareKeywords(prefs.Keyword);
var wallGeParams = new WallGetParams
{
Count = 50,
OwnerId = prefs.TargetType == PreferenceType.VkGroup ? -prefs.TargetId : prefs.TargetId
};
Thread.Sleep(1000);
var getResult = _api.Wall.Get(wallGeParams);
var posts = getResult.WallPosts;
foreach (var post in posts.Reverse())
{
var searchResult = _keywordSearcher.LookIntoPost(post, keywords);
if (!searchResult.Contains)
{
continue;
}
if (post.Date <= prefs.LastNotifiedPostTime)
{
continue;
}
prefs.LastNotifiedPostTime = post.Date ?? DateTime.Now;
_userNotifier.NotifyUser(prefs, post.Id.Value, searchResult.Word);
}
}
catch (UserAuthorizationFailException ex)
{
_logger.Error($"UserAuthorizationException. {ex}");
//if (!_api.IsAuthorized)
{
_logger.Info($"VkApi wasn't authorized. Authorizing..");
_api.SimpleAuthorize(_settings.Vkontakte);
_logger.Info($"SimpleAuthorize passed. New vk auth status = {_api.IsAuthorized}");
}
}
catch (Exception ex)
{
_logger.Error(ex, $"Error while fetching VK groups. Pref: {prefs.ToShortString()}. Exception message: {ex}");
}
}
usersContext.SaveChanges();
}
}
