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# File 'lib/polymorphic_as_table/has_one_association.rb', line 3
def self.included(base)
base.class_eval do
def find_target
options = @reflection.options.dup
(options.keys - [:select, :order, :include, :readonly]).each do |key|
options.delete key
end
options[:conditions] = @finder_sql
the_target = @reflection.klass.find(:first, options)
set_inverse_instance(the_target, @owner)
the_target
end
def construct_sql
case
when @reflection.options[:as]
@finder_sql =
"#{@reflection.quoted_table_name}.#{@reflection.options[:as]}_id = #{owner_quoted_id} AND " +
"#{@reflection.quoted_table_name}.#{@reflection.options[:as]}_type = #{@owner.class.quote_value(@owner.class.base_class.table_name)}"
else
@finder_sql = "#{@reflection.quoted_table_name}.#{@reflection.primary_key_name} = #{owner_quoted_id}"
end
@finder_sql << " AND (#{conditions})" if conditions
end
end
end
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