discourse/script/user_simulator.rb

# frozen_string_literal: true

# used during local testing, simulates a user active on the site.
#
# by default 1 new topic every 30 sec, 1 reply to last topic every 30 secs

require "optparse"
require "gabbler"

user_id = nil

def sentence
  @gabbler ||=
    Gabbler.new.tap do |gabbler|
      story = File.read(File.dirname(__FILE__) + "/alice.txt")
      gabbler.learn(story)
    end

  sentence = +""
  until sentence.length > 800
    sentence << @gabbler.sentence
    sentence << "\n"
  end
  sentence
end

OptionParser
  .new do |opts|
    opts.banner = "Usage: ruby user_simulator.rb [options]"
    opts.on("-u", "--user NUMBER", "user id") { |u| user_id = u.to_i }
  end
  .parse!

unless user_id
  puts "user must be specified"
  exit
end

require File.expand_path(File.dirname(__FILE__) + "/../config/environment")

unless %w[profile development].include? Rails.env
  puts "Bad idea to run a script that inserts random posts in any non development environment"
  exit
end

user = User.find(user_id)
last_topics = Topic.order("id desc").limit(10).pluck(:id)

puts "Simulating activity for user id #{user.id}: #{user.name}"

while true
  puts "Creating a random topic"
  category = Category.where(read_restricted: false).order("random()").first
  PostCreator.create(user, raw: sentence, title: sentence[0..50].strip, category: category.id)

  puts "creating random reply"
  PostCreator.create(user, raw: sentence, topic_id: last_topics.sample)

  sleep 2
end