Add basic calendar scraping

app/jobs/calendar_scraper_job.rb

@@ -0,0 +1,20 @@
+class CalendarScraperJob < ApplicationJob
+  queue_as :default
+
+  def perform(*args)
+    ics_file = HTTParty.get("https://mytimetable.bath.ac.uk/ical?6519757b&group=false&timetable=!MjAyMyFzdHVkZW50c2V0ITRDRjQ5MjlGRTg1M0Q4N0MyMDZENTVDNUQ3QTJFNzk0&eu=amMzMDkxQGJhdGguYWMudWs=&h=MiuDbRiudE_Yf7B25v2SfEuFCtmYGkFb5sAUI3yGmtY=")
+    calendars = Icalendar::Calendar.parse(ics_file)
+    calendar = calendars.first
+
+    calendar.events.each do |event|
+      summary = event.summary
+      match = summary.split('-')
+
+      # Handle odd events we don't care about
+      return if match.length != 2
+
+      unit_code = match[0]
+      short_lecture_title = match[1]
+    end
+  end
+end