Helper method to make it easier (shorter) to determine if the app is in demo mode

Signed-off-by: snipe <snipe@snipe.net>

app/Providers/SettingsServiceProvider.php

@@ -150,6 +150,32 @@ class SettingsServiceProvider extends ServiceProvider
         // Set the monetary locale to the configured locale to make helper::parseFloat work.
         setlocale(LC_MONETARY, config('app.locale'));
         setlocale(LC_NUMERIC, config('app.locale'));
+
+
+        /*
+         * This is a shorter way to see if the app is in demo mode.
+         *
+         * This makes it cleanly available in blades and in controllers, e.g.
+         *
+         * Blade:
+         * {{ app('demo_mode') ? ' disabled' : ''}} for form blades where we need to disable a form
+         *
+         * Controller:
+         * if (app('demo_mode')) {
+         *      // don't allow the thing
+         * }
+         * @todo - use this everywhere else in the app where we have very long if/else config('app.lock_passwords') stuff
+         */
+        \App::singleton('demo_mode', function () {
+            if (config('app.lock_passwords') === true) {
+                return true;
+            }
+            return false;
+        });
+
+
+
+
     }
 
     /**