updates to controllers for moon requests:

app/Http/Controllers/Moons/MoonsController.php

@@ -136,6 +136,17 @@ class MoonsController extends Controller
             return redirct('/moons/display/request')->with('error', 'Region was not found.');
         }
 
+        //Check to see if the moon is not available
+        $future = AllianceMoon::where([
+            'System' => $request->system,
+            'Planet' => $request->planet,
+            'Moon' => $request->moon,
+        ])->get();
+
+        if($future->Available != 'Available') {
+            return redirect('/moons/display/request')->with('error', 'The moon has already been reserved by another party.');
+        }
+
 
         //Create the new object to save into the database
         $moonRequest = new AllianceMoonRequest;