sync from project

magic/autodecode.go

@@ -0,0 +1,37 @@
+package magic
+
+import (
+	"net/http"
+	"strings"
+)
+
+type ErrUknownContentType string
+
+func (err ErrUknownContentType) Error() string {
+	return "unknown content-type: " + string(err)
+}
+
+type AutoDecode[T any] struct {
+	Data T
+}
+
+func (d *AutoDecode[T]) FromRequest(r *http.Request) error {
+	contentType, _, _ := strings.Cut(r.Header.Get("Content-Type"), ";")
+	switch contentType {
+	case "application/json":
+		decoder := &Json[T]{}
+		if err := decoder.FromRequest(r); err != nil {
+			return err
+		}
+		d.Data = decoder.Data
+	case "multipart/form-data", "application/x-www-form-urlencoded":
+		decoder := &Form[T]{}
+		if err := decoder.FromRequest(r); err != nil {
+			return err
+		}
+		d.Data = decoder.Data
+	}
+	return ErrUknownContentType(contentType)
+}
+
+func (d AutoDecode[T]) TakeRequestBody() {}