Corrected apps delete function. (#90)

* Corrected "schemas" to "indexes" under App_Indexes.

* Corrected typo "schemas" to "apps" under App_Apps

* Fixed the issue of possibility of deleting wrong app.

* Removed unused name declaration.

* Added fallback name for apps delete.

* Update App_Apps.cs

* Updated app description to better describe its usage.

Author: goh-chunlin

cli/Squidex.CLI/Squidex.CLI/Commands/App.cs

@@ -22,7 +22,7 @@ public void Info()
 
     public abstract class AppArguments : IArgumentModel
     {
-        [Option("app", Description = "The name of the app. If not provided then app configured in currentApp gets created.")]
+        [Option("app", Description = "The name of the app. If not provided then app configured in currentApp gets used.")]
         public string App { get; set; }
     }
 }

cli/Squidex.CLI/Squidex.CLI/Commands/App_Apps.cs

@@ -73,16 +73,16 @@ public async Task Delete(DeleteArguments arguments)
         {
             var session = configuration.StartSession(arguments.App);
 
-            var name = arguments.App;
+            var name = session.App;
 
-            if (string.IsNullOrWhiteSpace(name))
+            if (!string.IsNullOrWhiteSpace(arguments.App) && !string.Equals(name, arguments.App, StringComparison.Ordinal))
             {
-                name = session.App;
+                log.WriteLine($"Provided app name does not match with the session app name {name}. We will fallback to use this as app name: {name}.");
             }
 
             if (!string.Equals(name, arguments.Confirm, StringComparison.Ordinal))
             {
-                throw new CLIException("Confirmed app name does not match.");
+                throw new CLIException($"Confirmed app name does not match with the session app name: {name}.");
             }
 
             await session.Client.Apps.DeleteAppAsync();