app/models/location.rb
# == Schema Information
#
# Table name: locations
#
# created_at :datetime not null
# id :bigint(8) not null, primary key
# name :text not null
# school_id :bigint(8) not null
# updated_at :datetime not null
#
# Indexes
#
# index_locations_on_school_id (school_id)
#
# Foreign Keys
#
# fk_rails_... (school_id => schools.id) ON DELETE => cascade
#
class Location < ApplicationRecord
belongs_to :school
has_many :temperature_recordings
validates_presence_of :name
end