diff options
Diffstat (limited to 'activerecord/lib/active_record/dynamic_finder_match.rb')
| -rw-r--r-- | activerecord/lib/active_record/dynamic_finder_match.rb | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/activerecord/lib/active_record/dynamic_finder_match.rb b/activerecord/lib/active_record/dynamic_finder_match.rb index 0dc965bd26..b309df9b1b 100644 --- a/activerecord/lib/active_record/dynamic_finder_match.rb +++ b/activerecord/lib/active_record/dynamic_finder_match.rb @@ -1,45 +1,48 @@ module ActiveRecord # = Active Record Dynamic Finder Match - # + # # Refer to ActiveRecord::Base documentation for Dynamic attribute-based finders for detailed info # class DynamicFinderMatch def self.match(method) - df_match = self.new(method) - df_match.finder ? df_match : nil - end - - def initialize(method) - @finder = :first - @bang = false - @instantiator = nil + finder = :first + bang = false + instantiator = nil case method.to_s - when /^find_(all_by|last_by|by)_([_a-zA-Z]\w*)$/ - @finder = :last if $1 == 'last_by' - @finder = :all if $1 == 'all_by' + when /^find_(all_|last_)?by_([_a-zA-Z]\w*)$/ + finder = :last if $1 == 'last_' + finder = :all if $1 == 'all_' names = $2 when /^find_by_([_a-zA-Z]\w*)\!$/ - @bang = true + bang = true names = $1 when /^find_or_(initialize|create)_by_([_a-zA-Z]\w*)$/ - @instantiator = $1 == 'initialize' ? :new : :create + instantiator = $1 == 'initialize' ? :new : :create names = $2 else - @finder = nil + return nil end - @attribute_names = names && names.split('_and_') + + new(finder, instantiator, bang, names.split('_and_')) + end + + def initialize(finder, instantiator, bang, attribute_names) + @finder = finder + @instantiator = instantiator + @bang = bang + @attribute_names = attribute_names end attr_reader :finder, :attribute_names, :instantiator def finder? - !@finder.nil? && @instantiator.nil? + @finder && !@instantiator end def instantiator? - @finder == :first && !@instantiator.nil? + @finder == :first && @instantiator end def creator? |