StoreBackEnd/pkg/utils/FileReceiver.go

package utils

import (
	"bufio"
	"os"
)

// ReceiveFile Permet de récupérer un fichier sur un reader
func ReceiveFile(path string, fileSize int, reader *bufio.Reader) bool {
	file, fileErr := os.Create(path)
	if fileErr != nil {
		return false
	}
	defer file.Close()

	// Params
	buffer := make([]byte, 1024)
	currentSize := 0

	// Retrieving file
	for currentSize < fileSize {
		length, err := reader.Read(buffer)
		if err != nil {
			return false
		}
		_, err = file.WriteAt(buffer, int64(currentSize))
		if err != nil {
			return false
		}
		currentSize += length
		check := fileSize - currentSize
		if 1024 > check && check > 0 {
			buffer = make([]byte, check)
		}
	}
	return true
}