Class: Cubism::PresenceChannel

Inherits:
ActionCable::Channel::Base
  • Object
show all
Includes:
CableReady::StreamIdentifier
Defined in:
app/channels/cubism/presence_channel.rb

Instance Method Summary collapse

Instance Method Details

#appear ⇒ Object 



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# File 'app/channels/cubism/presence_channel.rb', line 22

def appear
  resource.set_present_users_for_scope(resource.present_users_for_scope(scope).add(user.id), scope) if scope
rescue ActiveRecord::RecordNotFound
  # do nothing if the user wasn't found
end

#disappear ⇒ Object 



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# File 'app/channels/cubism/presence_channel.rb', line 28

def disappear
  resource.set_present_users_for_scope(resource.present_users_for_scope(scope).delete(user.id), scope) if scope
rescue ActiveRecord::RecordNotFound
  # do nothing if the user wasn't found
end

#subscribed ⇒ Object 



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# File 'app/channels/cubism/presence_channel.rb', line 4

def subscribed
  if resource.present?
    stream_from element_id
    resource.cubicle_element_ids << element_id
    resource.excluded_user_id_for_element_id[element_id] = user.id if exclude_current_user?
  else
    reject
  end
end

#unsubscribed ⇒ Object 



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# File 'app/channels/cubism/presence_channel.rb', line 14

def unsubscribed
  return unless resource.present?

  resource.cubicle_element_ids.remove(element_id)
  resource.excluded_user_id_for_element_id.delete(element_id)
  disappear
end