Exemple #1
0
 private static void FillPrices(MyExample myExa)
 {
     using (var ctx = new Db())
     {
         var p = ctx.Prices.Where(x => x.ticker == myExa.Ticker && x.date < myExa.Date.Date).OrderByDescending(x => x.date).FirstOrDefault();
         if (p == null)
         {
             return;
         }
         myExa.PrevO = (double)p.adj_open;
         myExa.PrevH = (double)p.adj_high;
         myExa.PrevL = (double)p.adj_low;
         myExa.PrevC = (double)p.adj_close;
         var n = ctx.Prices.Where(x => x.ticker == myExa.Ticker && x.date > myExa.Date.Date).OrderBy(x => x.date).FirstOrDefault();
         if (n == null)
         {
             return;
         }
         myExa.AfterO             = (double)n.adj_open;
         myExa.AfterH             = (double)n.adj_high;
         myExa.AfterL             = (double)n.adj_low;
         myExa.AfterC             = (double)n.adj_close;
         myExa.PriceChangePercent = 100 * (myExa.AfterC - myExa.PrevC) / myExa.AfterC;
     }
 }
Exemple #2
0
 private static void FillShingles(MyExample myExa)
 {
     using (var ctx = new Db())
     {
         List <string> shingles = (from s in ctx.Shingles
                                   join su in ctx.ShingleUses on s.ID equals su.ShingleID
                                   where su.ArticleID == myExa.ArticleID && (s.kind == ShingleKind.interesting || s.kind == ShingleKind.upperCase)
                                   select s.text).ToList();
         foreach (var s in shingles)
         {
             myExa.Shingles.Add(s.Replace(" ", "_").Replace(":", "_").Replace("|", "_"));
         }
     }
 }
Exemple #3
0
 static void Main(string[] args)
 {
     using (var file = new System.IO.StreamWriter("VW" + DateTime.Now.ToString("yyyyMMddHHmm") + ".txt"))
         using (var ctx = new Db())
             foreach (var article in ctx.Articles.Where(a => a.Ticker != null && a.language == "en"))
             {
                 var myExa = new MyExample
                 {
                     Date      = article.PublishedUTC,
                     ArticleID = article.ID,
                     Ticker    = article.Ticker
                 };
                 FillPrices(myExa);
                 FillShingles(myExa);
                 if (myExa.PriceChangePercent == 0.0)
                 {
                     continue;
                 }
                 var str = myExa.ToVW();
                 Console.WriteLine(str);
                 file.WriteLine(str);
             }
 }