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# File 'lib/counter_one/counter.rb', line 12
def update_counter(record, operator, changed_record = nil)
counter_record = record
klass = model
relation.each do |rel|
unless klass.reflect_on_association(rel)
raise "Can't find relation #{rel} for #{klass.to_s}"
end
counter_record = counter_record.send(rel)
klass = counter_record.class
return unless counter_record
end
if options[:only]
unless options[:only].is_a?(Proc)
raise ArgumentError.new(":only must be a Proc with conditions")
end
return unless options[:only].call(record)
end
if changed_record
return if options[:only] ? condition_not_changed?(record, changed_record) : relation_id_not_changed?(record)
end
if counter_record
column = options[:column] || "#{record.class.to_s.tableize}_count"
if counter_record.is_a?(ActiveRecord::Associations::CollectionProxy)
counter_record.each { |r| r.send(operator, column) }
else
counter_record.send(operator, column)
end
end
end
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