Class: ActiveRecord::Associations::JoinDependency

Inherits:
Object
  • Object
show all
Defined in:
lib/composite_primary_keys/associations/join_dependency.rb,
lib/composite_primary_keys/associations/join_dependency/join_part.rb,
lib/composite_primary_keys/associations/join_dependency/join_association.rb

Defined Under Namespace

Classes: JoinAssociation, JoinPart

Instance Method Summary collapse

Instance Method Details

#instantiate(rows) ⇒ Object 



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# File 'lib/composite_primary_keys/associations/join_dependency.rb', line 4

def instantiate(rows)
  primary_key = join_base.aliased_primary_key
  parents = {}

  records = rows.map { |model|
    # CPK
    #primary_id = model[primary_key]
    primary_id = if primary_key.kind_of?(Array)
      primary_key.map {|key| model[key]}
    else
      model[primary_key]
    end
    parent = parents[primary_id] ||= join_base.instantiate(model)
    construct(parent, @associations, join_associations, model)
    parent
  }.uniq

  remove_duplicate_results!(active_record, records, @associations)
  records
end