Added migration to fully remove rate from Members. #1924

db/migrate/010_remove_rate_from_members.rb

@@ -0,0 +1,26 @@
+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
+
+require_dependency 'user'
+require_dependency 'member'
+
+class RemoveRateFromMembers < ActiveRecord::Migration
+  def self.up
+    self.check_that_rate_plugin_is_installed
+    remove_column :members, :rate
+  end
+  
+  def self.down
+    self.check_that_rate_plugin_is_installed
+    add_column :members, :rate, :decimal, :precision => 15, :scale => 2
+  end
+  
+  def self.check_that_rate_plugin_is_installed
+    raise Exception.new(RateMigrationErrorMessage) unless Object.const_defined?("Rate")
+  end
+end