Set appData env var

Yavsc/Settings/SiteSettings.cs

@@ -28,6 +28,8 @@ namespace Yavsc
         /// </summary>
         /// <returns></returns>
         public Contact Admin { get; set; }
+
+        public string DataDir { get; set; }
         /// <summary>
         /// User's files directory
         /// </summary>

Yavsc/Startup/Startup.SanityChecks.cs

@@ -1,4 +1,5 @@
 using System;
+using System.IO;
 using Google.Apis.Auth.OAuth2;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.Hosting;
@@ -21,8 +22,27 @@ namespace Yavsc
                 ILoggerFactory loggerFactory
                 )
         {
+
             var logger = loggerFactory.CreateLogger<Startup>();
 
+            var appData = Environment.GetEnvironmentVariable("APPDATA");
+            if (appData == null)
+            {
+                if (SiteSetup.DataDir == null) {
+                    SiteSetup.DataDir = "AppData";
+                } else logger.LogWarning("existing setting: "+SiteSetup.DataDir);
+                    DirectoryInfo di = new DirectoryInfo(SiteSetup.DataDir);
+                if (!di.Exists)
+                {
+                    di.Create();
+                    logger.LogWarning("Created dir : "+di.FullName);
+                } else logger.LogWarning("existing: "+di.Name);
+                SiteSetup.DataDir = Path.Combine(Directory.GetCurrentDirectory(),di.Name);
+                Environment.SetEnvironmentVariable("APPDATA", SiteSetup.DataDir);
+                logger.LogWarning("AppData was not found in env vars, it has been set to : "+
+                Environment.GetEnvironmentVariable("APPDATA"));
+            }
+
             var creds = GoogleSettings?.Account?.private_key;
             if (creds==null)
               throw new InvalidOperationException("No Google API credential");

Yavsc/Startup/Startup.cs

@@ -67,6 +67,7 @@ namespace Yavsc
             builder.AddEnvironmentVariables();
             Configuration = builder.Build();
             ConnectionString = Configuration["Data:DefaultConnection:ConnectionString"];
+
         }
         public static GoogleAuthSettings GoogleSettings { get; set; }
         public IConfigurationRoot Configuration { get; set; }
@@ -264,6 +265,7 @@ namespace Yavsc
             Startup.UserBillsDirName =  new DirectoryInfo(siteSettings.Value.UserFiles.Bills).FullName;
             Startup.Temp = siteSettings.Value.TempDir;
             PayPalSettings = payPalSettings.Value;
+
             // TODO implement an installation & upgrade procedure
             // Create required directories
             foreach (string dir in new string[] { UserFilesDirName, UserBillsDirName, SiteSetup.TempDir })