Class | Sequel::Model::Associations::ManyToManyAssociationReflection |
In: |
lib/sequel_model/association_reflection.rb
|
Parent: | AssociationReflection |
Default name symbol for the join table.
# File lib/sequel_model/association_reflection.rb, line 213 213: def default_join_table 214: ([self[:class_name].demodulize, self[:model].name.to_s.demodulize]. \ 215: map{|i| i.pluralize.underscore}.sort.join('_')).to_sym 216: end
Default foreign key name symbol for key in join table that points to current table‘s primary key (or :left_primary_key column).
# File lib/sequel_model/association_reflection.rb, line 220 220: def default_left_key 221: 222: "#{self[:model].name.to_s.demodulize.underscore}_id" 223: end
Default foreign key name symbol for foreign key in join table that points to the association‘s table‘s primary key (or :right_primary_key column).
# File lib/sequel_model/association_reflection.rb, line 226 226: def default_right_key 227: 228: "#{self[:name].to_s.singularize}_id" 229: end
The key to use for the key hash when eager loading
# File lib/sequel_model/association_reflection.rb, line 231 231: def eager_loader_key 232: self[:left_primary_key] 233: end
Whether the associated object needs a primary key to be added/removed, true for many_to_many associations.
# File lib/sequel_model/association_reflection.rb, line 237 237: def need_associated_primary_key? 238: true 239: end
Returns/sets the reciprocal association variable, if one exists
# File lib/sequel_model/association_reflection.rb, line 242 242: def reciprocal 243: return self[:reciprocal] if include?(:reciprocal) 244: left_key = self[:left_key] 245: right_key = self[:right_key] 246: join_table = self[:join_table] 247: associated_class.all_association_reflections.each do |assoc_reflect| 248: if assoc_reflect[:type] == :many_to_many && assoc_reflect[:left_key] == right_key \ 249: && assoc_reflect[:right_key] == left_key && assoc_reflect[:join_table] == join_table 250: return self[:reciprocal] = assoc_reflect[:name] 251: end 252: end 253: self[:reciprocal] = nil 254: end