Adding json formats to space api access

app/controllers/space_api_controller.rb

@@ -38,8 +38,19 @@ class SpaceApiController < ApplicationController
     else
       unless can? :access_doors_remotely, :door_access
         @output =  "Sorry, your account isn't able to control doors remotely."
+      else
+        @output = "Ready to control doors. Send POST params to this URL as per the HTML form."
       end
     end
+
+    # Render the form again (or result)
+    respond_to do |format|
+      format.html
+      format.json {
+        response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate"
+        render :json => @output
+      }
+    end
   end
 
   def access_post
@@ -78,8 +89,17 @@ class SpaceApiController < ApplicationController
       end
     end
 
-    # Render the form again
-    render :access
+    # Render the form again (or result)
+    respond_to do |format|
+      format.html {
+        render :access
+      }
+      format.json {
+        response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate"
+        render :json => @output
+      }
+    end
+
   end
 
   def check_auth(email,password)