38 lines
872 B
Ruby
38 lines
872 B
Ruby
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class ReadingsJob < RedisSetJob
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queue_as :readings
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def self.base_key
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"Reading:new"
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end
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def self.job_size
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ArchiveConfig.READING_JOB_SIZE
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end
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def self.batch_size
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ArchiveConfig.READING_BATCH_SIZE
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end
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def perform_on_batch(batch)
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# Each item in the batch is an array of arguments encoded as a JSON:
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parsed_batch = batch.map do |json|
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ActiveSupport::JSON.decode(json)
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end
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# Sort to try to reduce deadlocks.
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#
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# The first argument is user_id, the third argument is work_id:
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sorted_batch = parsed_batch.sort_by do |args|
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[args.first.to_i, args.third.to_i]
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end
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# Finally, start a transaction and call Reading.reading_object to write the
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# information to the database:
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Reading.transaction do
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sorted_batch.each do |args|
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Reading.reading_object(*args)
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end
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end
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end
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end
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