Module: Mongo::DynamicFinders
- Included in:
- Model::Query::ClassMethods
- Defined in:
- lib/mongo_db/driver/dynamic_finders.rb
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(clause, *args, &block) ⇒ Object (protected)
first_by_field, all_by_field, each_by_field, first_by_field
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# File 'lib/mongo_db/driver/dynamic_finders.rb', line 6 def method_missing clause, *args, &block if clause =~ /^([a-z]_by_[a-z_])|(by_[a-z_])/ clause = clause.to_s bang = clause =~ /!$/ clause = clause[0..-2] if bang finder, field = if clause =~ /^by_/ ['first', clause.sub(/by_/, '')] else clause.split(/_by_/, 2) end finder = 'first' if finder == 'find' field = '_id' if field == 'id' if bang raise "You can't use bang version with :#{finder}!" unless finder == 'first' finder = "#{finder}!" end raise "invalid arguments for finder (#{args})!" unless args.size == 1 field_value = args.first finder, field = finder.to_sym, field.to_sym if respond_to? finder send finder, {field => field_value}, &block else super end else super end end |