From 696a9d315c5d3da1f4365ebe86ae783bfa3be389 Mon Sep 17 00:00:00 2001
From: Florian Hanke <florian.hanke@gmail.com>
Date: Fri, 28 Oct 2011 10:29:03 +1100
Subject: [PATCH] - active record dependency. People rarely use active record,
 and if they do, they pull it in themselves.

P.S: FREEDOOOOOM!
---
 server/lib/picky.rb            |  1 -
 server/lib/picky/sources/db.rb | 11 +++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/server/lib/picky.rb b/server/lib/picky.rb
index 9c41daa9..fbfa73e3 100644
--- a/server/lib/picky.rb
+++ b/server/lib/picky.rb
@@ -13,7 +13,6 @@ class << self
   require 'text'
   require 'yajl'
   require 'active_support/core_ext'
-  require 'active_record'
 
   # Require the constants.
   #
diff --git a/server/lib/picky/sources/db.rb b/server/lib/picky/sources/db.rb
index 79ebd6bc..02c16c9f 100644
--- a/server/lib/picky/sources/db.rb
+++ b/server/lib/picky/sources/db.rb
@@ -33,11 +33,22 @@ class DB < Base
       @@traversal_id = :__picky_id
 
       def initialize select_statement, options = { file: 'app/db.yml' }
+        check_gem
+
         @select_statement = select_statement
         @database         = create_database_adapter
         @options          = options
       end
 
+      # Tries to require the active_record gem.
+      #
+      def check_gem # :nodoc:
+        require 'active_record'
+      rescue LoadError
+        warn_gem_missing 'active_record', 'the (ActiveRecord) DB source'
+        exit 1
+      end
+
       def to_s
         parameters = [select_statement.inspect]
         parameters << options unless options.empty?