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image.go
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image.go
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package images
import (
"io"
"net/http"
"os"
"strings"
)
var allFileExt = []string{"jpeg", "jpg", "png"}
const filePath = "/images/files/"
// load image from request to a folder
func ImageUpload(r *http.Request, id string) error {
// ParseMultipartForm parses a request body as multipart/form-data
if err := r.ParseMultipartForm(10 << 20); err != nil {
return err
}
// get file from request
file, handler, err := r.FormFile("image")
if err != nil {
return err
}
defer file.Close()
// file extension (no non-image)
fileExt := append(strings.Split(handler.Filename, "."), "")[1]
var compatible bool = false
for _, e := range allFileExt {
if e == fileExt {
compatible = true
break
}
}
if !compatible {
return nil
}
// create file on path
f, err := os.OpenFile(filePath[1:]+id, os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
return err
}
defer f.Close()
// Copy the request file to a new created file in folder
io.Copy(f, file)
return nil
}
func ImageDelete(id string) error {
err := os.Remove(filePath[1:] + id)
if err != nil {
return err
}
return nil
}