Class: ActiveAny::Associations::Preloader

Inherits:
Object
  • Object
show all
Defined in:
lib/active_any/associations/preloader.rb,
lib/active_any/associations/preloader/has_many.rb,
lib/active_any/associations/preloader/belongs_to.rb,
lib/active_any/associations/preloader/association.rb

Defined Under Namespace

Classes: AlreadyLoaded, Association, BelongsTo, HasMany, NullPreloader

Constant Summary collapse

NULL_RELATION = 
Struct.new(:values, :where_clause, :joins_values).new({}, Relation::WhereClause.empty, [])

Instance Method Summary collapse

Instance Method Details

#preload(records, associations, scope = NULL_RELATION) ⇒ Object 



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# File 'lib/active_any/associations/preloader.rb', line 12

def preload(records, associations, scope = NULL_RELATION)
  records       = Array.wrap(records).compact.uniq
  associations  = Array.wrap(associations)

  if records.empty?
    []
  else
    associations.flat_map do |association|
      preloaders_on association, records, scope
    end
  end
end