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# File 'lib/acts_as_interval/acts_as_interval.rb', line 19
def self.included(klass)
klass_name = klass.name.underscore.pluralize
define_method "past_#{klass_name}" do
self.class.where('ends_at <= ?', self.send(start_field))
end
define_method "future_#{klass_name}" do
self.class.where('starts_at >= ?', self.send(end_field))
end
define_method "overlapping_#{klass_name}" do
self.class.where("TIMEDIFF(#{start_field}, :my_end) * TIMEDIFF(:my_start, #{end_field}) >= 0", my_start: self.send(start_field), my_end: self.send(end_field)).where.not(id: self.id)
end
alias_method :intervals_before, "past_#{klass_name}"
alias_method :intervals_after, "future_#{klass_name}"
end
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