Merge branch 'develop' of https://github.com/JetStream96/QSimPlanner into develop

Author: JetStream96

src/QSP/WindAloft/GribDownloader.cs

@@ -17,7 +17,7 @@ public class GribDownloader
         /// <exception cref="Exception"></exception>
         public void DownloadGribFile(string filePath)
         {
-            var x = LastestDataSetFinder.Find();
+            var x = LastestDataSetFinder.Find(HomePageUrl);
             webPageUrl = x.Url;
             webPageSrc = x.Source;
 

src/QSP/WindAloft/LastestDataSetFinder.cs

@@ -11,14 +11,14 @@ public static class LastestDataSetFinder
         // it's considered a valid page to return.
         // (The source of filter page has about 30000 chars, 
         //  a page with file unavailable has only 700.)
-        private const int sourceCodeLenCriteria = 9000;
+        private const int sourceCodeLenCriteria = 1000;
 
         // @Throws
-        public static FindResult Find()
+        public static FindResult Find(string PageUrl)
         {
             using (var client = WebClientNoCache())
             {
-                var mainPageSource = client.DownloadString(GribDownloader.HomePageUrl);
+                var mainPageSource = client.DownloadString(PageUrl);
                 var urls = GetUrls(mainPageSource);
 
                 foreach (var i in urls)
@@ -27,10 +27,14 @@ public static FindResult Find()
                     {
                         var src = client.DownloadString(i);
 
-                        if (src.Length >= sourceCodeLenCriteria)
+                        if (src.Length >= sourceCodeLenCriteria*10)
                         {
                             return new FindResult() { Url = i, Source = src };
                         }
+                        if (src.Length >= sourceCodeLenCriteria)
+                        {
+                            return LastestDataSetFinder.Find(i);
+                        }
                     }
                     catch { }
                 }