class RailsBestPractices::Core::ModelAssociations
Model associations container.
Public Class Methods
new()
click to toggle source
# File lib/rails_best_practices/core/model_associations.rb, line 7 def initialize @associations = {} end
Public Instance Methods
add_association(model_name, association_name, association_meta, association_class = nil)
click to toggle source
@param [String] model name @param [String] association name @param [String] association meta, has_many, has_one, belongs_to and has_and_belongs_to_many @param [String] association class name
# File lib/rails_best_practices/core/model_associations.rb, line 16 def add_association(model_name, association_name, association_meta, association_class = nil) @associations[model_name] ||= {} @associations[model_name][association_name] = { 'meta' => association_meta, 'class_name' => association_class || association_name.classify } end
each() { |model, model_associations| ... }
click to toggle source
delegate each to @associations.
# File lib/rails_best_practices/core/model_associations.rb, line 44 def each @associations.each { |model, model_associations| yield model, model_associations } end
get_association(model_name, association_name)
click to toggle source
Get a model association.
@param [String] model name @param [String] association name @return [Hash] {“meta” => association_meta, “class_name” => association_class}
# File lib/rails_best_practices/core/model_associations.rb, line 28 def get_association(model_name, association_name) associations = @associations[model_name] associations && associations[association_name] end
get_association_class_name(table_name, association_name)
click to toggle source
Get association's class name
@param [String] table name @param [String] association_name @return [String] association's class name
# File lib/rails_best_practices/core/model_associations.rb, line 53 def get_association_class_name(table_name, association_name) ( associations = @associations.select { |model, _model_associations| model.gsub('::', '').tableize == table_name }.values .first ) && (association_meta = associations.select { |name, _meta| name == association_name }.values.first) && association_meta['class_name'] end
is_association?(model_name, association_name)
click to toggle source
If it is a model's association.
@param [String] model name @param [String] association name @return [Boolean] true if it is the model's association
# File lib/rails_best_practices/core/model_associations.rb, line 38 def is_association?(model_name, association_name) associations = @associations[model_name] !!(associations && associations[association_name]) end