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file.go
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file.go
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package goGcs
import (
"errors"
"os"
"path/filepath"
"strings"
)
func IsExistFile(imagePath string) (*os.File, error) {
file, err := os.Open(imagePath)
if err != nil {
return &os.File{}, errors.New("Error opening file " + err.Error())
}
return file, nil
}
func LimitMaxSize(file *os.File) error {
fileInfo, err := file.Stat()
if err != nil {
return errors.New("error getting file size " + err.Error())
}
fileSize := fileInfo.Size()
maxFileSize := int64(MaxFileLimit)
if fileSize > maxFileSize {
return errors.New("error: file size exceeds maximum limit of 10MB")
}
return nil
}
func IsExtentionImage(imagePath string) error {
fileExtension := filepath.Ext(imagePath)
fileExtension = strings.ToLower(fileExtension)
if fileExtension == ".jpg" || fileExtension == ".png" || fileExtension == ".jpeg" {
return nil
}
return errors.New("not image file, only extention jpg,png, and jpeg")
}