Add actual code for checking courses

check.rb

@@ -0,0 +1,72 @@
+#!/usr/bin/env ruby
+
+require 'net/http'
+require 'uri'
+require 'twilio-ruby'
+require 'yaml'
+
+abort "usage: ./check.rb SEMESTER SUBJECT COURSE [SECTIONS]\n" unless ARGV.length > 2
+
+settings = YAML.load_file('conf/settings.yml')
+
+semesters = {
+  'US13'      => 'US131132summer 2013'
+}
+
+semester = ARGV.shift
+subject = ARGV.shift
+course = ARGV.shift
+sections = ARGV
+
+abort "Requires a valid semester code\n" unless semesters.has_key?(semester)
+
+data = {
+  'Semester'        => semesters[semester],
+  'Post'            => 'Y',
+  'Button'          => '',
+  'Online'          => '',
+  'Subject'         => subject,
+  'CourseNumber'    => course,
+  'Instructor'      => 'ANY',
+  'StartTime'       => '0600',
+  'EndTime'         => '2350',
+  'OnBeforeDate'    => '',
+  'OnAfterDate'     => '',
+  'Sunday'          => 'Su',
+  'Monday'          => 'M',
+  'Tuesday'         => 'Tu',
+  'Wednesday'       => 'W',
+  'Thursday'        => 'Th',
+  'Friday'          => 'F',
+  'Saturday'        => 'Sa',
+  'OnCampus'        => 'Y',
+  'OffCampus'       => 'Y',
+  'OnlineCourses'   => 'Y',
+  'StudyAbroad'     => 'Y',
+  'MSUDubai'        => 'Y',
+  'OpenCourses'     => 'A',
+  'Submit'          => 'Search for Courses'
+}
+
+response = Net::HTTP.post_form(
+  URI.parse('http://schedule.msu.edu/searchResults.asp'),
+  data
+)
+
+courses = response.body.scan(/<a.*?title="(.*?) Section - LOG IN  to add Section (.*?) to your planner">.*<\/a>/)
+
+open = Array.new
+courses.each do |course|
+  open << course.last if course.first == 'Open' && sections.include?(course.last)
+end
+
+if open.length > 0
+  @client = Twilio::REST::Client.new settings['twilio']['sid'], 
+    settings['twilio']['token']
+
+  @call = @client.account.calls.create(
+    :from     => '+' + settings['application']['from'],
+    :to       => '+' + settings['application']['to'],
+    :url      => 'http://twimlbin.com/external/23144346c2f2a287'
+  )
+end