1 files changed, 16 insertions, 9 deletions
diff --git a/app/models/performance_monitoring/prometheus_panel.rb b/app/models/performance_monitoring/prometheus_panel.rb
index 3fe029abda0..a16a68ba832 100644
--- a/app/models/performance_monitoring/prometheus_panel.rb
+++ b/app/models/performance_monitoring/prometheus_panel.rb
@@ -8,17 +8,24 @@ module PerformanceMonitoring
 
     validates :title, presence: true
     validates :metrics, presence: true
+    class << self
+      def from_json(json_content)
+        build_from_hash(json_content).tap(&:validate!)
+      end
 
-    def self.from_json(json_content)
-      panel = new(
-        type: json_content['type'],
-        title: json_content['title'],
-        y_label: json_content['y_label'],
-        weight: json_content['weight'],
-        metrics: json_content['metrics'].map { |metric| PrometheusMetric.from_json(metric) }
-      )
+      private
 
-      panel.tap(&:validate!)
+      def build_from_hash(attributes)
+        return new unless attributes.is_a?(Hash)
+
+        new(
+          type: attributes['type'],
+          title: attributes['title'],
+          y_label: attributes['y_label'],
+          weight: attributes['weight'],
+          metrics: attributes['metrics']&.map { |metric| PrometheusMetric.from_json(metric) }
+        )
+      end
     end
 
     def id(group_title)