forked from jasder/forgeplus
27 lines
633 B
Ruby
27 lines
633 B
Ruby
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module Watchable
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extend ActiveSupport::Concern
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included do
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has_many :watchers, as: :watchable, dependent: :destroy
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has_many :watcher_users, through: :watchers, source: :user, validate: false
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scope :watched_by, -> (user_id) { includes(:watchers).where(watchers: { user_id: user_id }) }
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end
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def watched?(watchable)
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watchable.watchers.exists?(user: self)
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end
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def watch!(watchable)
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watchable.watchers.create!(user: self)
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end
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def unwatch!(watchable)
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obj = watchable.watchers.find_by(user: self)
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obj.destroy! if obj.present?
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end
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module ClassMethods
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end
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end
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