Class: Restforce::DB::Associations::HasOne

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

Overview

Restforce::DB::Associations::HasOne defines a relationship in which a Salesforce ID for this Mapping’s database record exists on the named database association’s 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 from a single 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_one.rb', line 20

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

  @cache = cache

  targets = target_mappings(database_record)
  reflection = target_reflection(database_record)

  records = targets.detect do |target|
    query = "#{lookup_field(target, reflection)} = '#{salesforce_record.Id}'"
    instance = target.salesforce_record_type.first(query)

    break construct_for(database_record, instance) if instance
  end

  records || []
ensure
  @cache = nil
end