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35 lines
949 B
35 lines
949 B
6 years ago
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module BaseModel
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extend ActiveSupport::Concern
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included do
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scope :recent, -> { order(id: :desc) }
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scope :exclude_ids, -> (ids) { where.not(id: ids.map(&:to_i)) }
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scope :by_ids, -> (ids) { where(id: ids) unless ids.blank? }
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scope :by_week, -> { where("created_at > ?", 7.days.ago.utc) }
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delegate :url_helpers, to: 'Rails.application.routes'
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end
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# FIXME: 需要原子化操作
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def push(hash)
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hash.each_key do |key|
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self.send("#{key}_will_change!")
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old_val = self[key] || []
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old_val << hash[key].to_i
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old_val.uniq!
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update_attributes(key => old_val)
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end
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end
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# FIXME: 需要原子化操作
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def pull(hash)
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hash.each_key do |key|
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self.send("#{key}_will_change!")
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old_val = self[key]
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return true if old_val.blank?
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old_val.delete(hash[key].to_i)
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update_attributes(key => old_val)
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end
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end
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end
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