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30990006a9
This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging
30 lines
659 B
Ruby
30 lines
659 B
Ruby
# frozen_string_literal: true
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module TimelineLookup
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# Given an array of tuples containing (id, days_ago), return at most `max_values` worth of a
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# lookup table to help the front end timeline display dates associated with posts
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def self.build(tuples, max_values = 300)
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result = []
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every = (tuples.size.to_f / max_values).ceil
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last_days_ago = -1
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tuples.each_with_index do |t, idx|
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return result unless t.is_a?(Array)
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next unless (idx % every) === 0
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days_ago = t[1]
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if (days_ago != last_days_ago)
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result << [idx + 1, days_ago]
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last_days_ago = days_ago
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end
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end
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result
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end
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end
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