diff options
Diffstat (limited to 'actioncable/lib/action_cable/connection/subscriptions.rb')
-rw-r--r-- | actioncable/lib/action_cable/connection/subscriptions.rb | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/actioncable/lib/action_cable/connection/subscriptions.rb b/actioncable/lib/action_cable/connection/subscriptions.rb index d7f95e6a62..00511aead5 100644 --- a/actioncable/lib/action_cable/connection/subscriptions.rb +++ b/actioncable/lib/action_cable/connection/subscriptions.rb @@ -1,20 +1,20 @@ -require 'active_support/core_ext/hash/indifferent_access' +require "active_support/core_ext/hash/indifferent_access" module ActionCable module Connection # Collection class for all the channel subscriptions established on a given connection. Responsible for routing incoming commands that arrive on - # the connection to the proper channel. Should not be used directly by the user. - class Subscriptions + # the connection to the proper channel. + class Subscriptions # :nodoc: def initialize(connection) @connection = connection @subscriptions = {} end def execute_command(data) - case data['command'] - when 'subscribe' then add data - when 'unsubscribe' then remove data - when 'message' then perform_action data + case data["command"] + when "subscribe" then add data + when "unsubscribe" then remove data + when "message" then perform_action data else logger.error "Received unrecognized command in #{data.inspect}" end @@ -23,21 +23,25 @@ module ActionCable end def add(data) - id_key = data['identifier'] + id_key = data["identifier"] id_options = ActiveSupport::JSON.decode(id_key).with_indifferent_access - subscription_klass = connection.server.channel_classes[id_options[:channel]] + return if subscriptions.key?(id_key) - if subscription_klass - subscriptions[id_key] ||= subscription_klass.new(connection, id_key, id_options) + subscription_klass = id_options[:channel].safe_constantize + + if subscription_klass && ActionCable::Channel::Base >= subscription_klass + subscription = subscription_klass.new(connection, id_key, id_options) + subscriptions[id_key] = subscription + subscription.subscribe_to_channel else - logger.error "Subscription class not found (#{data.inspect})" + logger.error "Subscription class not found: #{id_options[:channel].inspect}" end end def remove(data) logger.info "Unsubscribing from channel: #{data['identifier']}" - remove_subscription subscriptions[data['identifier']] + remove_subscription subscriptions[data["identifier"]] end def remove_subscription(subscription) @@ -46,7 +50,7 @@ module ActionCable end def perform_action(data) - find(data).perform_action ActiveSupport::JSON.decode(data['data']) + find(data).perform_action ActiveSupport::JSON.decode(data["data"]) end def identifiers @@ -54,7 +58,7 @@ module ActionCable end def unsubscribe_from_all - subscriptions.each { |id, channel| channel.unsubscribe_from_channel } + subscriptions.each { |id, channel| remove_subscription(channel) } end protected @@ -64,7 +68,7 @@ module ActionCable delegate :logger, to: :connection def find(data) - if subscription = subscriptions[data['identifier']] + if subscription = subscriptions[data["identifier"]] subscription else raise "Unable to find subscription with identifier: #{data['identifier']}" |