s3manager-web/internal/app/s3manager/create_object.go

package s3manager

import (
	"net/http"

	"github.com/matryer/way"
	minio "github.com/minio/minio-go"
	"github.com/pkg/errors"
)

// HandleCreateObject uploads a new object.
func HandleCreateObject(s3 S3) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		bucketName := way.Param(r.Context(), "bucketName")

		err := r.ParseMultipartForm(32 << 20)
		if err != nil {
			handleHTTPError(w, errors.Wrap(err, "error parsing multipart form"))
			return
		}
		file, handler, err := r.FormFile("file")
		if err != nil {
			handleHTTPError(w, errors.Wrap(err, "error getting file from form"))
			return
		}
		defer file.Close()

		opts := minio.PutObjectOptions{ContentType: "application/octet-stream"}
		_, err = s3.PutObject(bucketName, handler.Filename, file, 1, opts)
		if err != nil {
			handleHTTPError(w, errors.Wrap(err, "error putting object"))
			return
		}

		w.WriteHeader(http.StatusCreated)
	}
}