Class: ActiveRecord::Associations::Preloader::Association
- Inherits:
-
Object
- Object
- ActiveRecord::Associations::Preloader::Association
- Defined in:
- lib/composite_primary_keys/associations/preloader/association.rb
Instance Method Summary collapse
Instance Method Details
#owners_by_key ⇒ Object
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# File 'lib/composite_primary_keys/associations/preloader/association.rb', line 17 def owners_by_key unless defined?(@owners_by_key) @owners_by_key = owners.each_with_object({}) do |owner, h| # CPK #key = convert_key(owner[owner_key_name]) key = if owner_key_name.is_a?(Array) Array(owner_key_name).map do |key_name| convert_key(owner[key_name]) end else convert_key(owner[owner_key_name]) end h[key] = owner if key end end @owners_by_key end |
#records_for(ids, &block) ⇒ Object
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# File 'lib/composite_primary_keys/associations/preloader/association.rb', line 5 def records_for(ids, &block) # CPK #scope.where(association_key_name => ids).load(&block) if association_key_name.is_a?(Array) predicate = cpk_in_predicate(klass.arel_table, association_key_name, ids) scope.where(predicate).load(&block) else scope.where(association_key_name => ids).load(&block) end end |
#run(preloader) ⇒ Object
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# File 'lib/composite_primary_keys/associations/preloader/association.rb', line 36 def run(preloader) records = load_records do |record| # CPK #owner = owners_by_key[convert_key(record[association_key_name])] key = if association_key_name.is_a?(Array) Array(record[association_key_name]).map do |key| convert_key(key) end else convert_key(record[association_key_name]) end owner = owners_by_key[key] association = owner.association(reflection.name) association.set_inverse_instance(record) end owners.each do |owner| associate_records_to_owner(owner, records[convert_key(owner[owner_key_name])] || []) end end |