 	@discardableResult
 	private func loadPreviewIfNecessary() -> Bool {
 		guard !initialCodeLoaded, let fileId = editorContext.value?.currentDocument.value?.file.fileId else { return false }
-		// TODO: update this to use appStatus
+		// TODO: needs to update appStatus
 		guard !initialCodeLoaded else { return true }
 		initialCodeLoaded = true
 		requestPreviewId(fileId: fileId).startWithResult { [weak self] (result) in

		}
	}

	func refreshContent() {
		guard let curDoc = parsedDocument, currentPreview != nil else {
			load(html: "")
			return

		}
		return true
	}

	/// caller is responsible for refreshing the content when a previewId is returned
	private func requestPreviewId(fileId: Int) -> SignalProducer<Int, Rc2Error> {
		let handler = SignalProducer<Int, Rc2Error> { observer, _ in
				self.session.requestPreviewId(fileId: fileId).startWithResult { [weak self] (result) in
