Method: CounterCulture::Counter#first_level_relation_foreign_key

Defined in:
lib/counter_culture/counter.rb

#first_level_relation_foreign_key ⇒ Object

gets the foreign key name of the relation. will look at the first level only – i.e., if passed an array will consider only its first element

relation: a symbol or array of symbols; specifies the relation

that has the counter cache column



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# File 'lib/counter_culture/counter.rb', line 257

def first_level_relation_foreign_key
  first_relation = relation.first if relation.is_a?(Enumerable)
  relation_reflect(first_relation).foreign_key
end