Rename Object to FileUpload; use native Postgres $n placeholders.

internal/web/profile.go

@@ -75,7 +75,7 @@ func (s *Server) handleProfile(w http.ResponseWriter, r *http.Request) {
 		}
 		key := path.Join("avatars", u.ID, uuid.NewString()+ext)
 		limited := io.LimitReader(file, (2<<20)+1)
-		url, upErr := s.cfg.Blob.Upload(r.Context(), blob.Object{
+		url, upErr := s.cfg.Blob.Upload(r.Context(), blob.FileUpload{
 			Key:         key,
 			Body:        limited,
 			ContentType: contentType,

internal/web/server_test.go

@@ -296,7 +296,7 @@ type fakeBlob struct {
 
 func (f *fakeBlob) Enabled() bool { return true }
 
-func (f *fakeBlob) Upload(_ context.Context, obj blob.Object) (string, error) {
+func (f *fakeBlob) Upload(_ context.Context, obj blob.FileUpload) (string, error) {
 	f.calls++
 	f.last = obj.Key
 	return "https://cdn.example.com/" + obj.Key, nil