RATESWSX-324: feature-flags: fix missing argument on load & catch unknown exceptions

Author: rommelfreddy

src/Core/FeatureFlagService.php

@@ -34,7 +34,9 @@ public static function loadFeatureFlags(?string $flags = null): void
 
         $list = str_replace(',', "\n", $flags);
         $list = explode("\n", $list);
+        $list = array_filter($list, static fn ($value): bool => is_string($value) && !empty($value));
+        $list = array_filter(array_map('trim', $list));
 
-        self::$flags = array_filter($list, static fn ($value): bool => !empty($value));
+        self::$flags = $list;
     }
 }

src/RpayPayments.php

@@ -35,6 +35,7 @@
 use Symfony\Component\DependencyInjection\Loader\GlobFileLoader;
 use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+use Throwable;
 
 class RpayPayments extends Plugin
 {
@@ -170,11 +171,15 @@ public function boot(): void
     {
         parent::boot();
 
-        /** @var SystemConfigService $systemConfig */
-        $systemConfig = $this->container->get(SystemConfigService::class);
-        $flags = $systemConfig->get('RpayPayments.config.featureFlags');
-        if (is_string($flags)) {
-            FeatureFlagService::loadFeatureFlags();
+        try {
+            /** @var SystemConfigService $systemConfig */
+            $systemConfig = $this->container->get(SystemConfigService::class);
+            $flags = $systemConfig->get('RpayPayments.config.featureFlags');
+            if (is_string($flags)) {
+                FeatureFlagService::loadFeatureFlags($flags);
+            }
+        } catch (Throwable) {
+            // maybe the database connection is not established.
         }
     }