Assigner of GitHub PR fairly across multiple reviewers

assigns.rb

require 'octokit'

class BetterGitHub
  def pulls(organization, options={})
    @pulls ||= {}
    @pulls[organization] ||= get_pulls(organization, options)
  end

  def repos(organization)
    @repositories ||= {}
    @repositories[organization] ||= client.organization_repositories(organization)
  end

  private

  def get_pulls(organization, options={})
    print "Fetching repos..." if options[:progress]
    repos(organization).map do |repo|
      print "." if options[:progress]
      repo.rels[:pulls].get.data.select {|x| x.assignee}
    end.flatten.sort_by(&:created_at)
  ensure
    puts " done." if options[:progress]
  end

  def client
    Octokit.auto_paginate = true
    @client ||= Octokit::Client.new({login: ::GITHUB_USERNAME, password: ::GITHUB_PASSWORD})
  end
end

class GitHubController
  def get_pulls_for_user(username, organization, options={})
    org_pulls = better_github.pulls(organization, progress: true)
    org_pulls.select {|x| x.assignee.login == username}
  end

  private

  def better_github
    @better_github ||= BetterGitHub.new
  end
end

class PullRequestListView
  def self.render_all(username, pull_requests)
    <<-PRLV
PRs for #{username}:
Total: #{pull_requests.count}

#{pull_requests.map {|pr| render(pr) }.join("\n")}
----------
PRLV
  end

  def self.render(pull_request)
    "#{pull_request.user.login}: #{pull_request._links.html.href} (#{pull_request.created_at.to_date})"
  end
end

Gemfile

source "https://rubygems.org"

gem 'octokit'

Gemfile.lock

GEM
  remote: https://rubygems.org/
  specs:
    addressable (2.3.6)
    faraday (0.9.0)
      multipart-post (>= 1.2, < 3)
    multipart-post (2.0.0)
    octokit (3.3.1)
      sawyer (~> 0.5.3)
    sawyer (0.5.5)
      addressable (~> 2.3.5)
      faraday (~> 0.8, < 0.10)

PLATFORMS
  ruby

DEPENDENCIES
  octokit

runner.rb

require_relative 'assigns'

# Octokit configuration goes here.
GITHUB_USERNAME=
GITHUB_PASSWORD=

ORGANIZATION =
USERNAMES = []

github = GitHubController.new
USERNAMES.each do |username|
  puts PullRequestListView.render_all(username, github.get_pulls_for_user(username, ORGANIZATION))
end