chinwagsocial/app/models/web/push_subscription.rb
Eugen Rochko b4fb766b23
Add REST API for Web Push Notifications subscriptions (#7445)
- POST /api/v1/push/subscription
- PUT /api/v1/push/subscription
- DELETE /api/v1/push/subscription
- New OAuth scope: "push" (required for the above methods)
2018-05-11 11:49:12 +02:00

87 lines
2.7 KiB
Ruby

# frozen_string_literal: true
# == Schema Information
#
# Table name: web_push_subscriptions
#
# id :bigint(8) not null, primary key
# endpoint :string not null
# key_p256dh :string not null
# key_auth :string not null
# data :json
# created_at :datetime not null
# updated_at :datetime not null
# access_token_id :bigint(8)
# user_id :bigint(8)
#
class Web::PushSubscription < ApplicationRecord
belongs_to :user, optional: true
belongs_to :access_token, class_name: 'Doorkeeper::AccessToken', optional: true
has_one :session_activation
def push(notification)
I18n.with_locale(associated_user.locale || I18n.default_locale) do
push_payload(message_from(notification), 48.hours.seconds)
end
end
def pushable?(notification)
data&.key?('alerts') && ActiveModel::Type::Boolean.new.cast(data['alerts'][notification.type.to_s])
end
def associated_user
return @associated_user if defined?(@associated_user)
@associated_user = if user_id.nil?
session_activation.user
else
user
end
end
def associated_access_token
return @associated_access_token if defined?(@associated_access_token)
@associated_access_token = if access_token_id.nil?
find_or_create_access_token.token
else
access_token
end
end
private
def push_payload(message, ttl = 5.minutes.seconds)
# TODO: Make sure that the payload does not
# exceed 4KB - Webpush::PayloadTooLarge
Webpush.payload_send(
message: Oj.dump(message),
endpoint: endpoint,
p256dh: key_p256dh,
auth: key_auth,
ttl: ttl,
vapid: {
subject: "mailto:#{::Setting.site_contact_email}",
private_key: Rails.configuration.x.vapid_private_key,
public_key: Rails.configuration.x.vapid_public_key,
}
)
end
def message_from(notification)
serializable_resource = ActiveModelSerializers::SerializableResource.new(notification, serializer: Web::NotificationSerializer, scope: self, scope_name: :current_push_subscription)
serializable_resource.as_json
end
def find_or_create_access_token
Doorkeeper::AccessToken.find_or_create_for(
Doorkeeper::Application.find_by(superapp: true),
session_activation.user_id,
Doorkeeper::OAuth::Scopes.from_string('read write follow'),
Doorkeeper.configuration.access_token_expires_in,
Doorkeeper.configuration.refresh_token_enabled?
)
end
end