Class: StoreTasks

Inherits:
Volt::TaskHandler show all
Defined in:
app/volt/tasks/store_tasks.rb

Instance Method Summary collapse

Methods inherited from Volt::TaskHandler

inherited, known_handlers, method_missing

Constructor Details

#initialize(channel = nil, dispatcher = nil) ⇒ StoreTasks

Returns a new instance of StoreTasks.



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# File 'app/volt/tasks/store_tasks.rb', line 4

def initialize(channel = nil, dispatcher = nil)
  @channel = channel
  @dispatcher = dispatcher
end

Instance Method Details

#db ⇒ Object 



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# File 'app/volt/tasks/store_tasks.rb', line 9

def db
  @@db ||= Volt::DataStore.fetch
end

#delete(collection, id) ⇒ Object 



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# File 'app/volt/tasks/store_tasks.rb', line 64

def delete(collection, id)
  db[collection].remove('_id' => id)

  QueryTasks.live_query_pool.updated_collection(collection, @channel)
end

#model_values_and_errors(collection, data) ⇒ Object 



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# File 'app/volt/tasks/store_tasks.rb', line 13

def model_values_and_errors(collection, data)
  model_name = collection.singularize.camelize

  # TODO: Security check to make sure we have a valid model
  # and don't load classes we shouldn't
  begin
    model_class = Object.send(:const_get, model_name)
  rescue NameError => e
    model_class = nil
  end

  if model_class
    model = model_class.new(data)
    return model.to_h, model.errors
  end

  [data, {}]
end

#save(collection, data) ⇒ Object 



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# File 'app/volt/tasks/store_tasks.rb', line 32

def save(collection, data)
  data = data.symbolize_keys
  values, errors = model_values_and_errors(collection, data)

  if errors.size == 0
    # id = BSON::ObjectId(values[:_id])
    id = values[:_id]

    # Try to create
    # TODO: Seems mongo is dumb and doesn't let you upsert with custom id's
    begin
      # values['_id'] = BSON::ObjectId('_id') if values['_id']
      db[collection].insert(values)
    rescue Mongo::OperationFailure => error
      # Really mongo client?
      if error.message[/^11000[:]/]
        # Update because the id already exists
        update_values = values.dup
        update_values.delete(:_id)
        db[collection].update({ _id: id }, update_values)
      else
        return { error: error.message }
      end
    end

    QueryTasks.live_query_pool.updated_collection(collection, @channel)
    return {}
  else
    return errors
  end
end