func readFile()

in Sources/TSFCAS/Implementations/FileBackedCASDatabase.swift [66:84]

• 17 lines of code
• 1 McCabe index (conditional complexity)

    func readFile(file: AbsolutePath) -> LLBFuture<ByteBuffer> {
        let handleAndRegion = fileIO.openFile(
            path: file.pathString, eventLoop: group.next()
        )

        let data: LLBFuture<LLBByteBuffer> = handleAndRegion.flatMap { (handle, region) in
            let allocator = ByteBufferAllocator()
            return self.fileIO.read(
                fileRegion: region,
                allocator: allocator,
                eventLoop: self.group.next()
            )
        }

        return handleAndRegion.and(data).flatMapThrowing { (handle, data) in
            try handle.0.close()
            return data
        }
    }