owncloud / files_paperhive

	 */

	public function getPaperHiveBookURL($dir, $filename) {

		$bookId = $this->getBookIdforPath($dir, $filename);

		if (!$bookId) {

			$message = (string)$this->l->t('No such document found in database.');

			return new DataResponse(['message' => $message], Http::STATUS_BAD_REQUEST);

		}

		return new DataResponse($this->paperhive_base_url . $this->paperhive_base_document_url . $bookId, Http::STATUS_OK);

	}

	public function generatePaperHiveDocument($dir, $bookID) {

		// Try to get the document

		$paperHiveObjectString = $this->fetchDocument($bookID);

		if ($paperHiveObjectString === false) {

			$message = (string)$this->l->t('Problem connecting to PaperHive.');

			return new DataResponse(['message' => $message], Http::STATUS_BAD_REQUEST);

		}

		$paperHiveObject = json_decode($paperHiveObjectString, true);

		// Check if correct response has been returned

		$paperHiveObject = json_decode($paperHiveObjectString, true);

		// Check if correct response has been returned

		if (json_last_error() != JSON_ERROR_NONE) {

			$message = (string)$this->l->t('Received wrong response from PaperHive.');

			return new DataResponse(['message' => $message], Http::STATUS_BAD_REQUEST);

		}

		// Check if document is found

		if (!(isset($paperHiveObject['metadata']) && isset($paperHiveObject['metadata']['title']))) {

		// Try fetching discussions

		$paperHiveDiscussionsString = $this->fetchDiscussions($bookID);

		$paperHiveDiscussions = json_decode($paperHiveDiscussionsString, true);

		if ($paperHiveDiscussionsString === false || json_last_error() != JSON_ERROR_NONE) {

			$message = (string)$this->l->t('Problem connecting to PaperHive to fetch discussions.');

			return new DataResponse(['message' => $message], Http::STATUS_BAD_REQUEST);

		}

		$discussionCount = -1;

		if (json_last_error() === JSON_ERROR_NONE && isset($paperHiveDiscussions['discussions'])) {

			$discussionCount = count($paperHiveDiscussions['discussions']);

		}

		$exists = $this->view->file_exists($path);

		if ($exists) {

			$message = (string) $this->l->t('The file already exists.');

			return new DataResponse(['message' => $message], Http::STATUS_BAD_REQUEST);

		}

		try {

			$created = $this->view->touch($path);

		try {

			$created = $this->view->touch($path);

			if(!$created) {

				$message = (string) $this->l->t('Could not save document.');

				return new DataResponse(['message' => $message], Http::STATUS_BAD_REQUEST);

			}

			$fileInfo = $this->view->getFileInfo($path);

			$inserted = $this->paperHiveMetadata->insertBookID($fileInfo['fileid'], $bookID);

			$fileInfo = $this->view->getFileInfo($path);

			$inserted = $this->paperHiveMetadata->insertBookID($fileInfo['fileid'], $bookID);

			if(!$inserted) {

				$this->view->unlink($path);

				$message = (string) $this->l->t('Could not save document metadata.');

				return new DataResponse(['message' => $message], Http::STATUS_BAD_REQUEST);

			}

		} catch (LockedException $e) {

			$message = (string) $this->l->t('The file is locked.');

			return new DataResponse(['message' => $message], Http::STATUS_BAD_REQUEST);