public static List <Article> GetArticlesByEntities(List <string> catLs, List <DateTime> dateLs)
{
Random ran = new Random();
var articlesCollection = Db.GetCollection <Article>("articles");
var articles = new List <Article>();
// FilterDefinition<Article> filter;
var ls = MessageController.Articles;
if (catLs.Count > 0 && MessageController.Model.TryGetValue(catLs.First(), out var vec))
{
ls = MessageController.Articles.OrderBy(
x => MessageController.DistanceBetweenVecs(x.Vector, vec)).Take(10).ToList();
}
else
{
ls = MessageController.Articles.OrderBy(
x => MessageController.DistanceBetweenVecs(x.Vector, MessageController.User.Vector)).Take(10).ToList();
}
// if (catLs.Count == 0)
// {
// if (dateLs.Count == 0)
// {
// filter = Builders<Article>.Filter.Empty;
// var req = articlesCollection.Find(filter);
// var count = req.Count();
// articles = req.Skip(ran.Next((int)count)).Limit(3).ToList();
// }
// else if (dateLs.Count == 1)
// {
// filter = Builders<Article>.Filter.Regex("publishedLastTimeAt", dateLs.First().ToString("yyyy-MM-dd"));
// var req = articlesCollection.Find(filter);
// var count = req.Count();
// articles = req.Skip(ran.Next((int)count)).Limit(3).ToList();
// }
// else
// {
// filter = Builders<Article>.Filter.Regex("publishedLastTimeAt", "bidon");
// foreach (var item in dateLs)
// {
// Console.WriteLine(item.ToString("yyyy-MM-dd"));
// filter = Builders<Article>.Filter.Or(filter,
// Builders<Article>.Filter.Regex("publishedLastTimeAt", item.ToString("yyyy-MM-dd")));
// }
// var req = articlesCollection.Find(filter);
// var count = req.Count();
// articles = req.Skip(ran.Next((int)count)).Limit(3).ToList();
// }
// }
// else
// {
// if (dateLs.Count == 0)
// {
// Console.WriteLine(catLs.First().First().ToString().ToUpper() + catLs.First().Substring(1).ToLower());
// filter = Builders<Article>.Filter.Regex("themeTag.name",
// catLs.First().First().ToString().ToUpper() + catLs.First().Substring(1).ToLower());
// var req = articlesCollection.Find(filter);
// var count = req.Count();
// articles = req.Skip(ran.Next((int)count)).Limit(3).ToList();
// }
// else if (dateLs.Count == 1)
// {
// filter = Builders<Article>.Filter.Regex("publishedLastTimeAt", dateLs.First().ToString("yyyy-MM-dd"));
// filter = Builders<Article>.Filter.Or(filter, Builders<Article>.Filter.Regex("themeTag.name",
// catLs.First().First().ToString().ToUpper() + catLs.First().Substring(1).ToLower()));
// var req = articlesCollection.Find(filter);
// var count = req.Count();
// articles = req.Skip(ran.Next((int)count)).Limit(3).ToList();
// }
// else
// {
// filter = Builders<Article>.Filter.Regex("publishedLastTimeAt", "bidon");
// foreach (var item in dateLs)
// {
// Console.WriteLine(item.ToString("yyyy-MM-dd"));
// filter = Builders<Article>.Filter.Or(filter,
// Builders<Article>.Filter.Regex("publishedLastTimeAt", item.ToString("yyyy-MM-dd")));
// }
// filter = Builders<Article>.Filter.Or(filter, Builders<Article>.Filter.Regex("themeTag.name",
// catLs.First().First().ToString().ToUpper() + catLs.First().Substring(1).ToLower()));
// var req = articlesCollection.Find(filter);
// var count = req.Count();
// articles = req.Skip(ran.Next((int)count)).Limit(3).ToList();
// }
// }
Console.WriteLine(ls.Count);
if (dateLs.Count != 0)
{
return(ls.Where(x => x.PublishedLastTimeAt.ToLower()
.Contains(dateLs.First().ToString("yyyy-MM-dd"))).Take(1).ToList());
}
else
{
return(ls.Skip(ran.Next(ls.Count)).Take(1).ToList());
}
}