Class: Tasks

Inherits:
Object show all
Defined in:
lib/volt/page/tasks.rb

Overview

The tasks class provides an interface to call tasks on the backend server.

Instance Method Summary collapse

Constructor Details

#initialize(page) ⇒ Tasks

Returns a new instance of Tasks.



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# File 'lib/volt/page/tasks.rb', line 4

def initialize(page)
  @page = page
  @callback_id = 0
  @callbacks = {}
  
  page.channel.on('message') do |_, *args|
    received_message(*args)
  end
end

Instance Method Details

#call(class_name, method_name, *args, &callback) ⇒ Object 



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# File 'lib/volt/page/tasks.rb', line 14

def call(class_name, method_name, *args, &callback)
  if callback
    callback_id = @callback_id
    @callback_id += 1

    # Track the callback
    # TODO: Timeout on these callbacks
    @callbacks[callback_id] = callback
  else
    callback_id = nil
  end
  
  @page.channel.send_message([callback_id, class_name, method_name, *args])
end

#received_message(name, callback_id, *args) ⇒ Object 



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# File 'lib/volt/page/tasks.rb', line 30

def received_message(name, callback_id, *args)
  case name
  when 'response'
    response(callback_id, *args)
  when 'update'
    update(*args)
  when 'reload'
    reload
  end
end

#reload ⇒ Object 



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# File 'lib/volt/page/tasks.rb', line 56

def reload
  puts "RELOAD"
  $page.page._reloading = true
  `window.location.reload(false);`
end

#response(callback_id, *args) ⇒ Object 



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# File 'lib/volt/page/tasks.rb', line 41

def response(callback_id, *args)
  callback = @callbacks.delete(callback_id)
  
  if callback
    callback.call(*args)
  end
end

#update(model_id, data) ⇒ Object 



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# File 'lib/volt/page/tasks.rb', line 49

def update(model_id, data)
  $loading_models = true
  puts "UPDATE: #{model_id} with #{data.inspect}"
  Store.update(model_id, data)
  $loading_models = false
end