Class: Restforce::DB::Associations::HasMany

Inherits:
ForeignKey show all
Defined in:
lib/restforce/db/associations/has_many.rb

Overview

Restforce::DB::Associations::HasMany defines a relationship in which potentially several Salesforce records maintain a reference to the Salesforce record on the current Mapping.

Instance Attribute Summary

Attributes inherited from Base

#cache, #lookup, #name

Instance Method Summary collapse

Methods inherited from ForeignKey

#fields

Methods inherited from Base

#fields, #initialize, #synced_for?

Constructor Details

This class inherits a constructor from Restforce::DB::Associations::Base

Instance Method Details

#build(database_record, salesforce_record, cache = AssociationCache.new(database_record)) ⇒ Object

Public: Construct a database record for each Salesforce record associated with the supplied parent Salesforce record.

database_record - An instance of an ActiveRecord::Base subclass. salesforce_record - A Hashie::Mash representing a Salesforce object. cache - A Restforce::DB::AssociationCache (optional).

Returns an Array of constructed association records.



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# File 'lib/restforce/db/associations/has_many.rb', line 20

def build(database_record, salesforce_record, cache = AssociationCache.new(database_record))
  return [] unless build?

  @cache = cache

  reflection = target_reflection(database_record)
  records = []

  target_mappings(database_record).each do |target|
    lookup_id = "#{lookup_field(target, reflection)} = '#{salesforce_record.Id}'"

    target.salesforce_record_type.all(conditions: lookup_id).each do |instance|
      records << construct_for(database_record, instance)
    end
  end

  records.flatten
ensure
  @cache = nil
end