75 lines
2.1 KiB
Ruby
75 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: web_push_subscriptions
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#
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# id :bigint not null, primary key
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# endpoint :string not null
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# key_p256dh :string not null
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# key_auth :string not null
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# data :json
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# created_at :datetime not null
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# updated_at :datetime not null
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#
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require 'webpush'
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class Web::PushSubscription < ApplicationRecord
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has_one :session_activation
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def push(notification)
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I18n.with_locale(session_activation.user.locale || I18n.default_locale) do
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push_payload(message_from(notification), 48.hours.seconds)
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end
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end
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def pushable?(notification)
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data&.key?('alerts') && data['alerts'][notification.type.to_s]
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end
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def as_payload
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payload = { id: id, endpoint: endpoint }
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payload[:alerts] = data['alerts'] if data&.key?('alerts')
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payload
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end
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def access_token
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find_or_create_access_token.token
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end
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private
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def push_payload(message, ttl = 5.minutes.seconds)
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# TODO: Make sure that the payload does not
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# exceed 4KB - Webpush::PayloadTooLarge
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Webpush.payload_send(
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message: Oj.dump(message),
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endpoint: endpoint,
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p256dh: key_p256dh,
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auth: key_auth,
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ttl: ttl,
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vapid: {
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subject: "mailto:#{::Setting.site_contact_email}",
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private_key: Rails.configuration.x.vapid_private_key,
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public_key: Rails.configuration.x.vapid_public_key,
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}
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)
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end
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def message_from(notification)
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serializable_resource = ActiveModelSerializers::SerializableResource.new(notification, serializer: Web::NotificationSerializer, scope: self, scope_name: :current_push_subscription)
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serializable_resource.as_json
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end
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def find_or_create_access_token
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Doorkeeper::AccessToken.find_or_create_for(
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Doorkeeper::Application.find_by(superapp: true),
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session_activation.user_id,
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Doorkeeper::OAuth::Scopes.from_string('read write follow'),
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Doorkeeper.configuration.access_token_expires_in,
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Doorkeeper.configuration.refresh_token_enabled?
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)
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end
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end
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