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module ActsAsArchive
module Migration
def self.included(base)
unless base.included_modules.include?(InstanceMethods)
base.send :extend, ClassMethods
base.class_eval do
class <<self
unless method_defined?(:method_missing_without_archive)
alias_method :method_missing_without_archive, :method_missing
alias_method :method_missing, :method_missing_with_archive
end
end
end
end
end
module ClassMethods
def method_missing_with_archive(method, *arguments, &block)
args = Marshal.load(Marshal.dump(arguments))
method_missing_without_archive(method, *arguments, &block)
supported = [
:add_column, :add_timestamps, :change_column,
:change_column_default, :change_table,
:drop_table, :remove_column, :remove_columns,
:remove_timestamps, :rename_column, :rename_table
]
if args.include?(:deleted_at) || args.include?('deleted_at')
# Don't change the archive's deleted_at column
return
end
if !args.empty? && supported.include?(method)
connection = ActiveRecord::Base.connection
args[0] = "archived_" + ActiveRecord::Migrator.proper_table_name(args[0])
if method == :rename_table
args[1] = "archived_" + args[1].to_s
end
if connection.table_exists?(args[0])
connection.send(method, *args, &block)
end
end
end
end
module InstanceMethods
end
end
end
Version data entries
12 entries across 12 versions & 5 rubygems