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course_queue_sorting.rb
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course_queue_sorting.rb
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# frozen_string_literal: true
module CourseQueueSorting
def queue_for(course)
update_longest_update_time(course)
return 'very_long_update' if course.very_long_update?
case longest_recent_update_time(course)
when nil
initial_queue(course)
when 0..30 # up to 30 seconds
'short_update'
when 31..600 # up to 10 minutes
'medium_update'
when (601..) # more than 10 minutes
'long_update'
end
end
def longest_recent_update_time(course)
logs = course.flags['update_logs']
return unless logs.present?
update_times = logs.keys.map do |update_number|
logs[update_number]['end_time'].to_f - logs[update_number]['start_time'].to_f
end
update_times.max.to_i
end
def longest_update_time(course)
course.flags[:longest_update]
end
def initial_queue(course)
course_length = course.end - course.start
not_ended = Time.zone.now < course.end
if course_length < 3.days && not_ended
'short_update'
else
'medium_update'
end
end
def update_longest_update_time(course)
return unless longest_recent_update_time(course).to_i >= longest_update_time(course).to_i
course.flags[:longest_update] = longest_recent_update_time(course)
course.save
end
end