Joshua Coles
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42 lines
866 B
Ruby
42 lines
866 B
Ruby
class Lecture < ApplicationRecord
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belongs_to :course
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has_one :recording, dependent: :nullify
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has_many :tracked_time_entries, dependent: :destroy, as: :subject
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enum :kind, [
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:lecture,
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:problems_class,
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], default: :lecture
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include Trackable, CourseItem
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def prepared?
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tracked_time_entries.where(kind: [:preparation]).any?
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end
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def attended?
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tracked_time_entries.where(kind: [:concurrent, :catchup]).any?
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end
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def reviewed?
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tracked_time_entries.where(kind: [:review]).any?
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end
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def total_preparation_time
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tracked_time_entries.preparation.sum(&:duration).seconds
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end
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def total_attendance_time
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tracked_time_entries.where(kind: [:concurrent, :catchup]).sum(&:duration).seconds
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end
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def total_review_time
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tracked_time_entries.review.sum(&:duration).seconds
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end
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def live_video_url
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nil
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end
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end
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