_asyncPcrCheck: (collection) ->
			requestBatch = []
			@presentationCollection = collection
			context = this
			presentation_ids = _.map App.data.my_presentations.models, (model) -> model.id

			_.each presentation_ids, (presentation_id) =>
				requestBatch.push(presentation_id)

				if requestBatch.length > 4 or requestBatch.length == presentation_ids.length
					$.ajax
						url: "presentations/moments/presentations_content_refresh"
						conxtext: context
						data:
							presentation_ids: requestBatch
						success: context.presentationUpdateCallback

					presentation_ids = _.difference(presentation_ids, requestBatch)
					requestBatch = []

			return

		_presentationUpdateCallback: (data) ->
			console.log data
			console.log this
			console.log @presentationCollection