initial commit

app/services/dunlop/loggable.rb

@@ -0,0 +1,59 @@
+module Dunlop::Loggable
+  extend ActiveSupport::Concern
+
+  included do
+    has_many :log_entries, as: :loggable, dependent: :destroy, class_name: 'Dunlop::LogEntry'
+  end
+
+  def with_nested_logger_and_catch_failed(scope=nil, options={})
+    scope ||= caller[0][/`.*'/][1..-2]
+    options[:exception_notifier] = true unless options.has_key?(:exception_notifier)
+    backtrace = nil
+    Dunlop::NestedLogger.scope('empty sandbox', benchmark: false) do
+      result = Dunlop::NestedLogger.scope(scope, options) do
+        begin
+          yield
+        rescue => e
+          failed!
+          ExceptionNotifier.notify_exception(e) if options[:exception_notifier]
+          backtrace = Dunlop::LogEntry.exception_to_backtrace(e)
+          Dunlop::NestedLogger.error(e.message)
+        end
+      end
+      log_yaml = Dunlop::NestedLogger.flush_as_yaml
+      log_entries.create(body: log_yaml, backtrace: backtrace) if log_yaml.present?
+      result # return block result
+    end
+  end
+
+  def with_nested_logger(scope=nil, options={})
+    scope ||= caller[0][/`.*'/][1..-2]
+    e = nil
+    backtrace = nil
+    Dunlop::NestedLogger.scope('empty sandbox', benchmark: false) do
+      Dunlop::NestedLogger.scope(scope, options) do
+        begin
+          yield
+        rescue => e
+          backtrace = Dunlop::LogEntry.exception_to_backtrace(e)
+          Dunlop::NestedLogger.error(e.message)
+        end
+      end
+      log_yaml = Dunlop::NestedLogger.flush_as_yaml
+      log_entries.create(body: log_yaml, backtrace: backtrace) if log_yaml.present?
+    end
+    raise e if e
+  end
+
+  def logger
+    Dunlop::NestedLogger
+  end
+
+  def log_state_transition
+    log_entries.create(body: "transition to #{state}")
+  end
+
+  def log_entry
+    Dunlop::LogEntryCreator.new(self)
+  end
+end