BP_REST_Document_Endpoint::get_item( WP_REST_Request $request )

	public function get_item( $request ) {

		$id = $request['id'];

		$documents = $this->assemble_response_data( array( 'document_ids' => array( $id ) ) );

		if ( empty( $documents['documents'] ) ) {
			return new WP_Error(
				'bp_rest_document_invalid_id',
				__( 'Invalid document ID.', 'buddyboss' ),
				array(
					'status' => 404,
				)
			);
		}

		$retval = '';
		foreach ( $documents['documents'] as $document ) {
			$retval = $this->prepare_response_for_collection(
				$this->prepare_item_for_response( $document, $request )
			);
		}

		$response = rest_ensure_response( $retval );

		/**
		 * Fires after a document is fetched via the REST API.
		 *
		 * @param WP_REST_Response $response The response data.
		 * @param WP_REST_Request  $request  The request sent to the API.
		 *
		 * @since 0.1.0
		 */
		do_action( 'bp_rest_document_get_item', $response, $request );

		return $response;
	}