Move Rails::LogSubscriber to ActiveSupport::LogSubscriber, allowing frameworks like ActiveRecord and ActiveResource to log outsude Rails::Application [#4816 state:resolved]

1 files changed, 32 insertions, 0 deletions

diff --git a/activerecord/lib/active_record/log_subscriber.rb b/activerecord/lib/active_record/log_subscriber.rb
new file mode 100644
index 0000000000..71065f9908
--- /dev/null
+++ b/activerecord/lib/active_record/log_subscriber.rb
@@ -0,0 +1,32 @@
+module ActiveRecord
+  class LogSubscriber < ActiveSupport::LogSubscriber
+    def initialize
+      super
+      @odd_or_even = false
+    end
+
+    def sql(event)
+      name = '%s (%.1fms)' % [event.payload[:name], event.duration]
+      sql  = event.payload[:sql].squeeze(' ')
+
+      if odd?
+        name = color(name, :cyan, true)
+        sql  = color(sql, nil, true)
+      else
+        name = color(name, :magenta, true)
+      end
+
+      debug "  #{name}  #{sql}"
+    end
+
+    def odd?
+      @odd_or_even = !@odd_or_even
+    end
+
+    def logger
+      ActiveRecord::Base.logger
+    end
+  end
+end
+
+ActiveRecord::LogSubscriber.attach_to :active_record
\ No newline at end of file