Add basic calendar scraping

Gemfile

@@ -76,4 +76,4 @@ gem "font-awesome-sass"
 gem "httparty"
 
 gem "sidekiq"
-gem "administrate"
+gem "icalendar"

Gemfile.lock

@@ -68,14 +68,6 @@ GEM
       tzinfo (~> 2.0)
     addressable (2.8.5)
       public_suffix (>= 2.0.2, < 6.0)
-    administrate (0.19.0)
-      actionpack (>= 5.0)
-      actionview (>= 5.0)
-      activerecord (>= 5.0)
-      jquery-rails (>= 4.0)
-      kaminari (>= 1.0)
-      sassc-rails (~> 2.1)
-      selectize-rails (~> 0.6)
     bindex (0.8.1)
     bootsnap (1.16.0)
       msgpack (~> 1.2)
@@ -107,6 +99,9 @@ GEM
       multi_xml (>= 0.5.2)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
+    icalendar (2.9.0)
+      ice_cube (~> 0.16)
+    ice_cube (0.16.4)
     importmap-rails (1.2.1)
       actionpack (>= 6.0.0)
       railties (>= 6.0.0)
@@ -117,22 +112,6 @@ GEM
     jbuilder (2.11.5)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
-    jquery-rails (4.6.0)
-      rails-dom-testing (>= 1, < 3)
-      railties (>= 4.2.0)
-      thor (>= 0.14, < 2.0)
-    kaminari (1.2.2)
-      activesupport (>= 4.1.0)
-      kaminari-actionview (= 1.2.2)
-      kaminari-activerecord (= 1.2.2)
-      kaminari-core (= 1.2.2)
-    kaminari-actionview (1.2.2)
-      actionview
-      kaminari-core (= 1.2.2)
-    kaminari-activerecord (1.2.2)
-      activerecord
-      kaminari-core (= 1.2.2)
-    kaminari-core (1.2.2)
     loofah (2.21.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -211,13 +190,6 @@ GEM
     rubyzip (2.3.2)
     sassc (2.4.0)
       ffi (~> 1.9)
-    sassc-rails (2.1.2)
-      railties (>= 4.0.0)
-      sassc (>= 2.0)
-      sprockets (> 3.0)
-      sprockets-rails
-      tilt
-    selectize-rails (0.12.6)
     selenium-webdriver (4.10.0)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
@@ -240,7 +212,6 @@ GEM
     tailwindcss-rails (2.0.30-arm64-darwin)
       railties (>= 6.0.0)
     thor (1.2.2)
-    tilt (2.2.0)
     timeout (0.4.0)
     turbo-rails (1.4.0)
       actionpack (>= 6.0.0)
@@ -269,12 +240,12 @@ PLATFORMS
   arm64-darwin-22
 
 DEPENDENCIES
-  administrate
   bootsnap
   capybara
   debug
   font-awesome-sass
   httparty
+  icalendar
   importmap-rails
   jbuilder
   pg (~> 1.1)

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

test/jobs/calendar_scraper_job_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class CalendarScraperJobTest < ActiveJob::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end