Class: HyperMesh::ClientDrivers

Inherits:
Object
  • Object
show all
Includes:
React::IsomorphicHelpers
Defined in:
lib/synchromesh/client_drivers.rb

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.opts ⇒ Object (readonly)

Returns the value of attribute opts.



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# File 'lib/synchromesh/client_drivers.rb', line 268

def opts
  @opts
end

.public_columns_hash ⇒ Object (readonly)

Returns the value of attribute public_columns_hash.



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# File 'lib/synchromesh/client_drivers.rb', line 269

def public_columns_hash
  @public_columns_hash
end

Class Method Details

.define_attribute_methods ⇒ Object 



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# File 'lib/synchromesh/client_drivers.rb', line 286

def self.define_attribute_methods
  public_columns_hash.keys.each do |model|
    Object.const_get(model).define_attribute_methods rescue nil
  end
end

.get_queued_data(operation, channel = nil, opts = {}) ⇒ Object 



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# File 'lib/synchromesh/client_drivers.rb', line 278

def self.get_queued_data(operation, channel = nil, opts = {})
  HTTP.get(polling_path(operation, channel), opts).then do |response|
    response.json.each do |update|
      send "sync_#{update[0]}", update[1]
    end
  end
end

.on_first_mount ⇒ Object

called from ReactiveRecord::Base before_first_mount hook to insure this is done first.



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# File 'lib/synchromesh/client_drivers.rb', line 295

def self.on_first_mount

  if RUBY_ENGINE == 'opal'
    @opts = Hash.new(`window.HyperMeshOpts`)
    @public_columns_hash = get_public_columns_hash
    define_attribute_methods
  end

  if on_opal_client?

    if opts[:transport] == :pusher

      opts[:create] = lambda do |data|
        sync_create JSON.parse(`JSON.stringify(#{data})`)
      end

      opts[:change] = lambda do |data|
        sync_change JSON.parse(`JSON.stringify(#{data})`)
      end

      opts[:destroy] = lambda do |data|
        sync_destroy JSON.parse(`JSON.stringify(#{data})`)
      end

      if opts[:client_logging] && `window.console && window.console.log`
        `Pusher.log = function(message) {window.console.log(message);}`
      end
      if opts[:pusher_fake_js]
        opts[:pusher_api] = `eval(#{opts[:pusher_fake_js]})`
      else
        h = nil
        pusher_api = nil
        %x{
          h = {
            encrypted: #{opts[:encrypted]},
            authEndpoint: window.ReactiveRecordEnginePath+'/synchromesh-pusher-auth',
            auth: {headers: {'X-CSRF-Token': #{opts[:form_authenticity_token]}}}
          };
          pusher_api = new Pusher(#{opts[:key]}, h)
        }
        opts[:pusher_api] = pusher_api
      end
      HyperMesh.connect(*opts[:auto_connect])
    elsif opts[:transport] == :action_cable
      opts[:action_cable_consumer] =
        `ActionCable.createConsumer.apply(ActionCable, #{[*opts[:action_cable_consumer_url]]})`
      HyperMesh.connect(*opts[:auto_connect])
    elsif opts[:transport] == :simple_poller
      opts[:auto_connect].each { |channel| IncomingBroadcast.add_connection(*channel) }
      every(opts[:seconds_between_poll]) do
        get_queued_data(:read, nil, headers: {'X-SYNCHROMESH-SILENT-REQUEST' =>  true })
      end
    end
  end
end

.polling_path(to, id = nil) ⇒ Object 



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# File 'lib/synchromesh/client_drivers.rb', line 351

def self.polling_path(to, id = nil)
  s = "#{`window.ReactiveRecordEnginePath`}/synchromesh-#{to}/#{opts[:id]}"
  s = "#{s}/#{id}" if id
  s
end

.sync_change(data) ⇒ Object 



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# File 'lib/synchromesh/client_drivers.rb', line 211

def self.sync_change(data)
  IncomingBroadcast.receive(data, :change) do |broadcast|
    ReactiveRecord::Base.when_not_saving(broadcast.klass) do
      ReactiveRecord::Collection.sync_scopes broadcast
    end
  end
end

.sync_create(data) ⇒ Object

sync_changes: Wait till we are done with any concurrent model saves, then hydrate the data (which will update any attributes) and sync the scopes.



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# File 'lib/synchromesh/client_drivers.rb', line 203

def self.sync_create(data)
  IncomingBroadcast.receive(data, :create) do |broadcast|
    ReactiveRecord::Base.when_not_saving(broadcast.klass) do
      ReactiveRecord::Collection.sync_scopes broadcast
    end
  end
end

.sync_destroy(data) ⇒ Object

sync_destroy: Hydrate the data, then destroy the record, cleanup and syncronize the scopes.



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# File 'lib/synchromesh/client_drivers.rb', line 222

def self.sync_destroy(data)
  IncomingBroadcast.receive(data, :destroy) do |broadcast|
    ReactiveRecord::Collection.sync_scopes broadcast
  end
end