2023-01-20 21:22:08 +00:00
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# frozen_string_literal: true
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require 'distributed_press/v1'
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# Almacena el token de autenticación y la URL, por ahora solo vamos
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# a tener uno, pero queda abierta la posibilidad de agregar más.
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class DistributedPressPublisher < ApplicationRecord
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# Cifrar la información del token en la base de datos
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has_encrypted :token
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2023-02-08 20:08:02 +00:00
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# La salida del log
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#
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# @return [IO]
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attr_reader :logger_out
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2023-01-20 21:22:08 +00:00
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# La instancia es única
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validates_uniqueness_of :instance
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# El token es necesario
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validates_presence_of :token
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# Mantener la fecha de vencimiento actualizada
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before_save :update_expires_at_from_token!, :update_token_from_client!
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# Devuelve todos los tokens que vencen en una hora
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scope :with_about_to_expire_tokens, lambda {
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where('expires_at > ? and expires_at < ?', Time.now, Time.now + 1.hour)
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}
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# Instancia un cliente de Distributed Press a partir del token. Al
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# cargar un token a punto de vencer se renueva automáticamente.
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#
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# @return [DistributedPress::V1::Client]
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def client
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2023-02-08 20:08:02 +00:00
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@client ||= DistributedPress::V1::Client.new(url: instance, token: token, logger: logger)
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2023-01-20 21:22:08 +00:00
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end
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2023-01-20 23:34:27 +00:00
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# @return [String]
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def to_s
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"Distributed Press <#{instance}>"
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end
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2023-02-09 23:01:22 +00:00
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# Devuelve el hostname de la instancia
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#
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# @return [String]
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def hostname
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@hostname ||= URI.parse(instance).hostname
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end
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2023-02-08 20:08:02 +00:00
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# @return [Logger]
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def logger
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@logger ||=
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begin
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@logger_out, @logger_in = IO.pipe
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::Logger.new @logger_in, formatter: formatter
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end
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end
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2023-01-20 21:22:08 +00:00
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private
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2023-02-08 20:08:02 +00:00
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def formatter
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@formatter ||= lambda do |_, _, _, msg|
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"#{msg}\n"
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end
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end
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2023-01-20 21:22:08 +00:00
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# Actualiza o desactiva la fecha de vencimiento a partir de la
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# información del token.
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#
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# @return [nil]
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def update_expires_at_from_token!
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self.expires_at = client.token.forever? ? nil : client.token.expires_at
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nil
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end
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# Actualiza el token a partir del cliente, que ya actualiza el token
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# automáticamente.
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#
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# @return [nil]
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def update_token_from_client!
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self.token = client.token.to_s
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nil
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end
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end
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