Improved performance by caching the result process wide instead of globing and accessing the database multiple times.

lib/models.rb

@@ -25,9 +25,11 @@ returns
 =end
 
   def self.all
+    @all ||= begin
       all    = {}
       dir    = Rails.root.join('app', 'models').to_s
-    Dir.glob("#{dir}/**/*.rb" ) do |entry|
+      tables = ActiveRecord::Base.connection.tables
+      Dir.glob("#{dir}/**/*.rb") do |entry|
         next if entry.match?(/application_model/i)
         next if entry.match?(%r{channel/}i)
         next if entry.match?(%r{observer/}i)
@@ -41,7 +43,7 @@ returns
         next if !model_class.respond_to? :new
         next if !model_class.respond_to? :table_name
         table_name = model_class.table_name # handle models where not table exists, pending migrations
-      next if !ActiveRecord::Base.connection.tables.include?(table_name)
+        next if !tables.include?(table_name)
         model_object = model_class.new
         next if !model_object.respond_to? :attributes
         all[model_class] = {}
@@ -54,6 +56,7 @@ returns
       end
       all
     end
+  end
 
 =begin