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24 lines
723 B
Ruby
24 lines
723 B
Ruby
require 'csv'
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require 'open-uri'
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class PullProblemsJob < ApplicationJob
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queue_as :default
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PULL_URL = "https://projecteuler.net/minimal=problems;csv"
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def perform
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csv = CSV.parse(URI.open(PULL_URL), headers: :first_row)
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csv.each do |row|
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id = row["ID"].to_i
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last_updated = Time.at(row["Updated"].to_i)
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problem = Problem.where(id: id).first_or_create!
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if problem.pulled_at.nil? or problem.pulled_at < last_updated
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original_title = row["Description"]
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problem.update(original_title: original_title)
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# Don't update pulled_at yet until we also successfully pulled the original_content
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PullProblemContentJob.perform_later problem
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end
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end
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end
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end
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