added metrics for failed invoices

Author: OlegPhenomenon

app/services/eis_billing/base_service.rb

@@ -4,14 +4,26 @@ module EisBilling
   module BaseService
     def struct_response(response)
       if response['error'].present?
+        increment_failure_counter(error_type: 'provider_error')
         wrap(result: false, instance: nil, errors: response['error'])
       else
         wrap(result: true, instance: response, errors: nil)
       end
     rescue StandardError => e
+      increment_failure_counter(error_type: 'exception', exception_class: e.class.name)
       wrap(result: false, instance: nil, errors: e)
     end
 
+    private
+
+    def increment_failure_counter(error_type:, exception_class: nil)
+      Yabeda.eis_billing.payment_failures_total.increment(
+        service: self.class.name.demodulize,
+        error_type: error_type,
+        exception_class: exception_class || 'none'
+      )
+    end
+
     def wrap(**kwargs)
       result = kwargs[:result]
       instance = kwargs[:instance]

config/initializers/yabeda.rb

@@ -12,6 +12,12 @@
       tags: [:sql_type],
       buckets: [0.001, 0.005, 0.01, 0.05, 0.1, 0.5, 1, 5]
   end
+
+  group :eis_billing do
+    counter :payment_failures_total,
+      comment: 'Total payment failures from EIS Billing provider',
+      tags: [:service, :error_type, :exception_class]
+  end
 end
 
 ActiveSupport::Notifications.subscribe('sql.active_record') do |*args|