realize/settings/io.go

package settings

import (
	"io/ioutil"
	"os"
	"path/filepath"
)

// Stream return a byte stream of a given file
func (s Settings) Stream(file string) ([]byte, error) {
	_, err := os.Stat(file)
	if err != nil {
		return nil, err
	}
	content, err := ioutil.ReadFile(file)
	s.Validate(err)
	return content, err
}

// Write a file
func (s Settings) Write(name string, data []byte) error {
	err := ioutil.WriteFile(name, data, permission)
	return s.Validate(err)
}

// Create a new file and return its pointer
func (s Settings) Create(path string, name string) *os.File {
	var file string
	if _, err := os.Stat(directory); err == nil {
		file = filepath.Join(path, directory, name)
	} else {
		file = filepath.Join(path, name)
	}
	out, err := os.OpenFile(file, os.O_APPEND|os.O_WRONLY|os.O_CREATE|os.O_SYNC, permission)
	s.Validate(err)
	return out
}