Sha256: 59c5965372f034bfefad5a84be3ceb1cc28b52b392a3b37c873dc46feeb67d35
Contents?: true
Size: 552 Bytes
Versions: 7
Compression:
Stored size: 552 Bytes
Contents
class MeasurementsPresenter
attr_reader :measurements
def initialize(measurements)
@measurements = measurements
end
def to_json(*args)
Houston.benchmark "[#{self.class.name.underscore}] Render JSON" do
query = measurements.select(<<-SQL)
taken_at "timestamp",
name,
value,
json_build_object('type', subject_type, 'id', subject_id) "subject"
SQL
ActiveRecord::Base.connection.select_value("select array_to_json(array_agg(row_to_json(t))) from (#{query.to_sql}) t")
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems