Merge pull request #1828 from MushroomObserver/nimmo-log-level-7.1.3

Monkey patch `ActionView::LogSubscriber`

config/initializers/monkey_patches.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+# https://dev.to/ayushn21/applying-monkey-patches-in-rails-1bj1
+# https://binarysolo.chapter24.blog/applying-monkey-patches-in-rails/
+# https://www.justinweiss.com/articles/3-ways-to-monkey-patch-without-making-a-mess/
+require("action_view/log_subscriber")
+
+# Require all Ruby files in the core_extensions directory
+Dir[Rails.root.join("lib/core_extensions/**/*.rb")].each { |f| require f }
+
+# Does not work
+# ActiveSupport.on_load(:action_view) do
+# ActionView::LogSubscriber.include(CoreExtensions::ActionView::LogSubscriber)
+# end
+
+class ActionView::LogSubscriber
+  prepend CoreExtensions::ActionView::LogSubscriber
+end

lib/core_extensions/action_view/log_subscriber.rb

@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+# Overrides because we want these logged at info, not debug level
+module CoreExtensions
+  module ActionView
+    module LogSubscriber
+      def render_collection(event)
+        identifier = event.payload[:identifier] || "templates"
+
+        info do
+          message = +"  Rendered collection of #{from_rails_root(identifier)}"
+          message << " within #{from_rails_root(event.payload[:layout])}" if event.payload[:layout]
+          message << " #{render_count(event.payload)} (Duration: #{event.duration.round(1)}ms | Allocations: #{event.allocations})"
+          message
+        end
+      end
+      # ::ActionView::LogSubscriber.subscribe_log_level :render_collection, :info
+
+      def render_partial(event)
+        if event.payload[:cache_hit].present?
+          info do
+            message = +"  Rendered #{from_rails_root(event.payload[:identifier])}"
+            message << " within #{from_rails_root(event.payload[:layout])}" if event.payload[:layout]
+            message << " (Duration: #{event.duration.round(1)}ms | Allocations: #{event.allocations})"
+            message << " #{cache_message(event.payload)}" unless event.payload[:cache_hit].nil?
+            message
+          end
+        else
+          debug do
+            message = +"  Rendered #{from_rails_root(event.payload[:identifier])}"
+            message << " within #{from_rails_root(event.payload[:layout])}" if event.payload[:layout]
+            message << " (Duration: #{event.duration.round(1)}ms | Allocations: #{event.allocations})"
+            message
+          end
+        end
+      end
+      # ::ActionView::LogSubscriber.subscribe_log_level :render_partial, :info
+    end
+  end
+end