fix: Make sure pages are from FOSDEM website

lib/fosdem_recorder/cli.rb

@@ -37,6 +37,11 @@ module FosdemRecorder
     def _validate_url(url)
       return if url =~ %r{^https://fosdem.org/\d+/schedule/event/.*}
 
+      if url =~ %r{^https://fosdem.org/.*}
+        warn 'ERROR: not a schedule page. URL must contain .../schedule/event/...'
+        exit 1
+      end
+
       warn 'ERROR: not a fosdem stream. URL must start with https://fosdem.org/...'
       exit 1
     end
@@ -46,6 +51,14 @@ module FosdemRecorder
       mechanize = Mechanize.new
       page = mechanize.get(url)
 
+      # body_class = page.at('body').attr('class')
+      # if body_class != 'schedule-event'
+      #   STDERR.puts "ERROR: Not an event schedule page!"
+      #   exit 1
+      # end
+
+      puts body_class
+
       title = page.title
       title_sane =
         title