add space and finish item create/update mutations.

services/bundle.go

@@ -1,19 +1,26 @@
 package services
 
-import "git.aiterp.net/stufflog/server/database"
+import (
+	"git.aiterp.net/stufflog/server/database"
+	"git.aiterp.net/stufflog/server/internal/space"
+)
 
 type Bundle struct {
-	Auth *Auth
+	Auth   *Auth
+	Upload *Upload
 }
 
-func NewBundle(db database.Database) Bundle {
+func NewBundle(db database.Database, s3 *space.Space) Bundle {
 	auth := &Auth{
 		users:    db.Users(),
 		session:  db.Session(),
 		projects: db.Projects(),
 	}
 
+	upload := &Upload{s3: s3}
+
 	return Bundle{
-		Auth: auth,
+		Auth:   auth,
+		Upload: upload,
 	}
 }

services/upload.go

@@ -0,0 +1,53 @@
+package services
+
+import (
+	"context"
+	"git.aiterp.net/stufflog/server/internal/slerrors"
+	"git.aiterp.net/stufflog/server/internal/space"
+	"io"
+	"strings"
+)
+
+type Upload struct {
+	s3 *space.Space
+}
+
+func (upload *Upload) UploadImage(ctx context.Context, name string, contentType string, size int64, reader io.Reader) (string, error) {
+	if !allowedImages[contentType] {
+		return "", slerrors.Forbidden("Content type " + contentType + " is not allowed as an image.")
+	}
+	if !strings.HasSuffix(name, extensions[contentType]) {
+		name += extensions[contentType]
+	}
+
+	err := upload.s3.UploadFile(ctx, name, contentType, reader, size)
+	if err != nil {
+		return "", err
+	}
+
+	return upload.s3.URLFromPath(name), nil
+}
+
+func (upload *Upload) Delete(ctx context.Context, url string) error {
+	name, err := upload.s3.PathFromURL(url)
+	if err != nil {
+		return err
+	}
+
+	return upload.s3.RemoveFile(ctx, name)
+}
+
+var allowedImages = map[string]bool{
+	"image/jpg":  true,
+	"image/jpeg": true,
+	"image/gif":  true,
+	"image/png":  true,
+	"image/bmp":  false,
+}
+
+var extensions = map[string]string{
+	"image/jpg":  ".jpg",
+	"image/jpeg": ".jpg",
+	"image/gif":  ".gif",
+	"image/png":  ".png",
+}