cron_job.rb

every 1.minute do
  rake "import_tweets:tweets"
end

rake_task.rb

require 'twitter'
require_relative '../../app/workers/tweet_scrape_worker'

namespace :import_tweets do

  task :tweets => :environment do

    Student.all.each do |student|
      TweetScrapeWorker.perform_async(student.id)
      sleep 1
    end
  end
end

tweet_scraper_model.rb

class TweetScraper
attr_accessor :student

  def initialize(student)
    @student = student
  end

  def scrape_feed
      Twitter.user_timeline(student.twitter_handle, options = {:count => 200}).each do |tweet|

        if Tweet.where(:tweet_id => tweet.id).empty?
          tweet_post = Tweet.new
          tweet_post.student_id = student.id
          tweet_post.tweet_id = tweet.id
          tweet_post.tweet_content = tweet.text
          tweet_post.tweet_published_at = tweet.created_at    
          tweet_post.profile_image_url = tweet.profile_image_url
          tweet_post.save!

        end
      end
   end
end

worker_class.rb

class TweetScrapeWorker
  include Sidekiq::Worker
  
  def perform(student_id)
    student = Student.find(student_id)
    TweetScraper.new(student).scrape_feed
  end
end