Created
February 13, 2012 09:38
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LSF Checker
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| require 'mechanize' | |
| require 'highline' | |
| require 'prowl' | |
| class String | |
| def remove_non_ascii(replacement="") | |
| self.gsub(/[\u0080-\u00ff]/,replacement) | |
| end | |
| end | |
| hl = HighLine.new | |
| puts "Before we begin, would you please authenticate yourself?" | |
| u = hl.ask("1. Username: ") | |
| p = hl.ask("2. Password: ") { |q| q.echo = "*" } | |
| last_grade_count = -1 | |
| while(true) | |
| begin | |
| agent = Mechanize.new | |
| page = agent.get('https://www.lsf.hs-weingarten.de/qisserver/rds?state=user&type=0') | |
| login_form = page.form_with(:name => 'loginform') | |
| login_form.username = u | |
| login_form.password = p | |
| main_page =agent.submit(login_form, login_form.buttons.first) | |
| grades_page = main_page.links_with(:text => ' Notenspiegel ').first.click | |
| rows = grades_page.parser.xpath('//table/tr[@bgcolor="#EFEFEF"]') | |
| grades = [] | |
| rows.each do |row| | |
| grades << { | |
| :nr => row.xpath('./td[1]').text.remove_non_ascii.to_i, | |
| :name => row.xpath('./td[2]').text.remove_non_ascii, | |
| :semester => row.xpath('./td[3]').text.remove_non_ascii, | |
| :grade => row.xpath('./td[4]').text.remove_non_ascii.sub(',', '.').to_f, | |
| :status => row.xpath('./td[5]').text.remove_non_ascii, | |
| :credits => row.xpath('./td[6]').text.remove_non_ascii.sub(',', '.').to_f, | |
| :tries => row.xpath('./td[7]').text.remove_non_ascii.to_i | |
| } | |
| end | |
| puts "Found #{grades.count} grades" | |
| grades_sum = 0.0 | |
| credits_sum = 0.0 | |
| grades.each { |row| grades_sum += row[:grade] * row[:credits] ; credits_sum += row[:credits] } | |
| avg = grades_sum / credits_sum | |
| puts "Average grade: #{avg}" | |
| if(last_grade_count != -1 && grades.count > last_grade_count) | |
| puts "NEW GRADES ARRIVED!!!" | |
| 100.times { system('tput bel') } | |
| Prowl.add(:apikey => 'xxx', :application => 'LSF Checker', :event => 'New Grade!', :description => 'There is a new grade!') | |
| end | |
| last_grade_count = grades.count | |
| rescue | |
| # When there's an error sleep and try again later | |
| end | |
| sleep(600) | |
| end |
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