Ever get aggravated you didn't create a model or a base controller for your rails app.
I find its a common issue when large changes are afoot. Like when I create dozens
of tables at a sitting.

For those wondeful times, I've created a rake take that checks my models and controllers, and creates basic versions of the code.

http://2.bp.blogspot.com/_z5ltvMQPaa8/SjJXr_U2YBI/AAAAAAAAAAM/46OqEP32CJ...);padding:0px;color:#000000;text-align:left;line-height:20px;"> require 'rubygems'  
 require 'pp'  
 require 'find'  
 def controller_exists?(thefilename)  
   Find.find("./app/controllers") do |path|  
      if FileTest.directory?(path)  
       if File.basename(path)[0] == ?.  
         Find.prune  
        else  
         next  
       end  
      else  
       if path.include?(thefilename)  
         return TRUE  
         end  
        end  
      end  
   return FALSE  
 end  
 namespace :check do  
      desc "Check Model, and create missing ones"  
      task :modelfile => :environment do  
           pp ActiveRecord::Base.connection.tables  
           ActiveRecord::Base.connection.tables.each do |tname|  
               begin  
                themodel = tname.classify.constantize  
                model_exists = TRUE  
               rescue  
                model_exists = FALSE  
                end  
               case tname  
                when "schema_migrations"  
                   model_exists = TRUE # Special table  
                when "tag_cross_ref"  
                   model_exists = TRUE # Special table  
                end  
            if model_exists == FALSE # Dont exist  
             model_name = tname.classify  
             puts "Missing #{model_name} for table #{tname} - created\n"  
             mfilename = "./app/models/" + tname.singularize + ".rb"  
             if File.exists?(mfilename)  
               puts "#{mfilename} exists - Bad NEWS\n"  
               raise  
               end  
             mfile = open(mfilename,"w")  
             mfile.puts "class #{model_name} < ActiveRecord::Base\n"  
             mfile.puts "end\n"  
             mfile.close  
             else  
             puts "Exists #{model_name}(#{tname})\n"  
             end  
        end  
     end  
  desc "Check Controllers, and create missing ones"  
  task :controllerfile => :environment do  
           ActiveRecord::Base.connection.tables.each do |tname|  
               controller_file_name = tname.singularize + "_controller.rb"  
               ctl_missing = !controller_exists?(controller_file_name)  
               case tname  
                when "schema_migrations"  
                   ctl_missing = FALSE #Special Table  
                when "tag_cross_ref"  
                   ctl_missing = FALSE # Special table  
                end  
               if ctl_missing  
             controller_name = (tname.singularize + "_controller").camelize  
             puts "Missing #{controller_name} for table #{tname} - created\n"  
             cfilename = "./app/controllers/adminspace/" + controller_file_name  
             if File.exists?(cfilename)  
               puts "#{cfilename} exists - Bad NEWS\n"  
               raise  
               end  
             cfile = open(cfilename,"w")  
             cfile.puts "#generated by checker\n"  
             cfile.puts "class Adminspace::#{controller_name} < ApplicationController\n"  
             cfile.puts "layout 'tier1admin'\n"  
             cfile.puts "before_filter :login_required\n"  
             cfile.puts 'require_role "admin"' + "\n"  
             cfile.puts "\n"  
             cfile.puts "   active_scaffold :#{tname.singularize} do |config|\n"  
             cfile.puts "       config.actions = [:nested, :create, :update, :show, :list, :search]\n"  
             cfile.puts "       end\n"  
             cfile.puts "\n"  
             cfile.puts "end\n"  
             cfile.close  
             else  
             #puts "Exists #{controller_name}(#{tname})\n"  
             end  
        end  
     end  
 end