1.0-dev9 (Videos list improvements and queue bugs removed)

VDownload.Core/Services/TaskId.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VDownload.Core.Services
+{
+    public class TaskId
+    {
+        // VARIABLES
+        private static readonly Random Random = new Random();
+        private static readonly char[] CharsID = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890".ToCharArray();
+        private static readonly int LengthID = 10;
+        private static readonly List<string> UsedIDs = new List<string>();
+
+        // METHOD
+        public static string Get()
+        {
+            string id;
+            do
+            {
+                id = "";
+                while (id.Length < LengthID)
+                {
+                    id += CharsID[Random.Next(0, CharsID.Length)];
+                }
+            } while (UsedIDs.Contains(id));
+            UsedIDs.Add(id);
+            return id;
+        }
+
+        public static void Dispose(string id)
+        {
+            UsedIDs.Remove(id);
+        }
+    }
+}