class JsonApiModel::Associations::Preloaders::Base
Attributes
association[RW]
Public Class Methods
new( objects, association )
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# File lib/json_api_model/associations/preloaders/base.rb, line 9 def initialize( objects, association ) @objects = Array( objects ) @association = association end
Public Instance Methods
assign( results )
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# File lib/json_api_model/associations/preloaders/base.rb, line 22 def assign( results ) validate_assignability!( results ) @objects.each do | object | associated_objects = results.to_a.select do |r| associated_key( r ).in? Array( ids( object ) ) end object.send( "#{name}=", process( associated_objects ) ) end end
fetch()
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# File lib/json_api_model/associations/preloaders/base.rb, line 14 def fetch assign load end
load()
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# File lib/json_api_model/associations/preloaders/base.rb, line 18 def load association_class.send( action, query( @objects ) ) end
Protected Instance Methods
validate_assignability!( results )
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# File lib/json_api_model/associations/preloaders/base.rb, line 36 def validate_assignability!( results ) results.each do | object | unless associated_key( object ) raise "Preloading #{association_class}.#{lookup} failed: results don't identify an association." end end end