Joshua Coles
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78 lines
2.4 KiB
Ruby
78 lines
2.4 KiB
Ruby
class Course < ApplicationRecord
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has_many :lectures, dependent: :destroy
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has_many :work_items, dependent: :destroy
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# A course has a standalone connection to its recordings. To be displayed they must be associated with a lecture but
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# we them independently to avoid re-importing lectures.
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has_many :recordings, dependent: :destroy
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def lectures_and_work_items
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(lectures + work_items).sort_by(&:start_time)
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end
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def import_from_calendar!
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ics_file = HTTParty.get("https://mytimetable.bath.ac.uk/ical?6519757b&group=false&timetable=!MjAyMyFzdHVkZW50c2V0ITRDRjQ5MjlGRTg1M0Q4N0MyMDZENTVDNUQ3QTJFNzk0&eu=amMzMDkxQGJhdGguYWMudWs=&h=MiuDbRiudE_Yf7B25v2SfEuFCtmYGkFb5sAUI3yGmtY=")
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calendars = Icalendar::Calendar.parse(ics_file)
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calendar = calendars.first
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events = calendar.events.map do |event|
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summary = event.summary
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match = summary.split('-')
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# Handle odd events we don't care about
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next if match.length != 2
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unit_code = match[0]
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short_lecture_title = match[1]
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start_time = event.dtstart.to_time
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event_uuid = event.uid.to_s
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next if unit_code.nil? ||
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short_lecture_title.nil? ||
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event_uuid.nil? ||
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start_time.nil? ||
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unit_code != self.unit_code
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{
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unit_code:,
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short_lecture_title:,
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start_time:,
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event_uuid:,
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}
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end
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lecture_counter = 0
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events.compact.each do |event|
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# Naive check to see if we've already created this lecture
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if lectures.find_by(event_uuid: event[:event_uuid]).present? || lectures.find_by(
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start_time: (event[:start_time].beginning_of_hour + 5.minutes)..(event[:start_time].beginning_of_hour + 1.hour + 5.minutes)
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).present?
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next
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end
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if event[:short_lecture_title].starts_with? "Lec"
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lecture_counter += 1
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title = "Lecture #{lecture_counter}"
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else
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title = event[:short_lecture_title]
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end
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lectures.create!(
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title: title,
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start_time: event[:start_time],
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event_uuid: event[:event_uuid],
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)
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end
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end
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# What should this do for existing attendances?
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def renumber_lectures!
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lectures.group_by(&:kind).each do |kind, lectures|
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lectures.sort_by(&:start_time).each_with_index do |lecture, index|
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lecture.update!(title: "#{kind.to_s.humanize} #{index + 1}")
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end
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end
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end
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end
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