Added NzbDrone.Update, refactored some common wrappers to NzbDrone.Common

NzbDrone.Common/EnviromentProvider.cs

@@ -0,0 +1,58 @@
+using System;
+using System.IO;
+using System.Reflection;
+
+namespace NzbDrone.Common
+{
+    public class EnviromentProvider
+    {
+        public virtual String LogPath
+        {
+            get { return Environment.CurrentDirectory; }
+        }
+
+        public virtual bool IsUserInteractive
+        {
+            get { return Environment.UserInteractive; }
+        }
+
+        public virtual string ApplicationPath
+        {
+            get
+            {
+                var dir = new FileInfo(Environment.CurrentDirectory).Directory;
+
+                while (!ContainsIIS(dir))
+                {
+                    if (dir.Parent == null) break;
+                    dir = dir.Parent;
+                }
+
+                if (ContainsIIS(dir)) return dir.FullName;
+
+                dir = new FileInfo(Assembly.GetExecutingAssembly().Location).Directory;
+
+                while (!ContainsIIS(dir))
+                {
+                    if (dir.Parent == null) throw new ApplicationException("Can't fine IISExpress folder.");
+                    dir = dir.Parent;
+                }
+
+                return dir.FullName;
+            }
+        }
+
+        public virtual string StartUpPath
+        {
+            get
+            {
+                return new FileInfo(Assembly.GetExecutingAssembly().Location).Directory.FullName;
+            }
+        }
+
+        private static bool ContainsIIS(DirectoryInfo dir)
+        {
+            return dir.GetDirectories("iisexpress").Length != 0;
+        }
+    }
+}