From 8a08e654e0edccf9acb5511746b1f3e1903f4d2c Mon Sep 17 00:00:00 2001
From: Eric Davis <edavis@littlestreamsoftware.com>
Date: Wed, 21 Jan 2009 14:08:02 -0800
Subject: [PATCH] Added the start of a new migration to use the Rate plugin

* Migration 9 will abort with a message if the Rate plugin isn't installed

  #1924
---
 .../009_convert_member_rate_to_full_rates.rb  | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 db/migrate/009_convert_member_rate_to_full_rates.rb

diff --git a/db/migrate/009_convert_member_rate_to_full_rates.rb b/db/migrate/009_convert_member_rate_to_full_rates.rb
new file mode 100644
index 0000000..9a6e3f2
--- /dev/null
+++ b/db/migrate/009_convert_member_rate_to_full_rates.rb
@@ -0,0 +1,21 @@
+RateMigrationErrorMessage = "ERROR: The Rate plugin is not installed.  Please install the Rate plugin or downgrade to version 0.1.0 of the Budget plugin."
+
+begin
+  require_dependency 'rate'
+rescue LoadError
+  raise Exception.new(RateMigrationErrorMessage)
+end
+
+class ConvertMemberRateToFullRates < ActiveRecord::Migration
+  def self.up
+    self.check_that_rate_plugin_is_installed
+  end
+  
+  def self.down
+    self.check_that_rate_plugin_is_installed
+  end
+  
+  def self.check_that_rate_plugin_is_installed
+    raise Exception.new(RateMigrationErrorMessage) unless Object.const_defined?("Rate")
+  end
+end