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21 lines
532 B
Ruby
21 lines
532 B
Ruby
class Device < ActiveRecord::Base
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validates :unique_id, :model, presence: true
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validates :unique_id, uniqueness: true
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before_create :generate_access_token
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after_create :update_last_heartbeats_time
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has_many :heartbeats, dependent: :destroy
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def generate_access_token
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self.access_token = SecureRandom.uuid
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end
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def update_last_heartbeats_time
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self.last_heartbeat_recd_time = self.updated_at
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self.save
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end
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def next_heartbeat_time
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(self.last_heartbeat_recd_time + HEARTBEAT_INTERVAL).to_i
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end
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end
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