Stud.IP: Create a batch of student groups

studip-gruppen-machen.rb

#!/usr/bin/env ruby
require 'mechanize'

URL = 'https://elearning.uni-bremen.de'

agent = Mechanize.new
page = agent.get(URL)

login_page = page.link_with(text: /for registered users/).click

theform = login_page.form_with(method: "POST")
theform.loginname = "cabo"
theform.password = ENV['foo']

newpage = agent.submit(theform)

page_v = newpage.link_with(text: /Veranstaltungen/).click
page_i = page_v.link_with(href: /d9a8cf9/).click
page_t = page_i.link_with(text: /TeilnehmerInnen/).click
page_fg = page_t.link_with(text: /Gruppen verwalten/).click
theform = page_fg.forms[1]      # brittle!
p theform
("01".."20").each do |name|
 theform.new_name = name
 theform.new_size = "3"
 theform.presetName = "AutorInnen"
 theform.checkbox_with(name: "new_selfassign").check
 p theform.submit
end