53 lines
1.8 KiB
Ruby
53 lines
1.8 KiB
Ruby
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class Reading < ApplicationRecord
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belongs_to :user
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belongs_to :work
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after_save :expire_cached_home_marked_for_later, if: :saved_change_to_toread?
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after_destroy :expire_cached_home_marked_for_later, if: :toread?
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scope :visible, -> { left_joins(:work).merge(Work.visible_to_registered_user.or(Work.where(id: nil))) }
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# called from show in work controller
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def self.update_or_create(work, user)
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if user && user.preference.try(:history_enabled) && !user.is_author_of?(work)
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reading_json = [user.id, Time.now, work.id, work.major_version, work.minor_version, false].to_json
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REDIS_GENERAL.sadd("Reading:new", reading_json)
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end
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end
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# called from reading controller
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def self.mark_to_read_later(work, user, toread)
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reading = Reading.find_or_initialize_by(work_id: work.id, user_id: user.id)
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reading.major_version_read = work.major_version
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reading.minor_version_read = work.minor_version
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reading.last_viewed = Time.now
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reading.toread = toread
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reading.save
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end
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# create a reading object, but only if the user has reading
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# history enabled and is not the author of the work
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def self.reading_object(user_id, time, work_id, major_version, minor_version, later)
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reading = Reading.find_or_initialize_by(work_id: work_id, user_id: user_id)
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# Only update the view time/version number if it's newer:
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if reading.last_viewed.nil? || reading.last_viewed < time
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reading.last_viewed = time
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reading.major_version_read = major_version
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reading.minor_version_read = minor_version
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end
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reading.view_count = reading.view_count + 1 unless later
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reading.save
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reading
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end
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private
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def expire_cached_home_marked_for_later
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unless Rails.env.development?
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Rails.cache.delete("home/index/#{user_id}/home_marked_for_later")
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end
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end
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end
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