No changes made

backend/handlers/uuid.go

@@ -0,0 +1,45 @@
+package handlers
+
+import (
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5/pgtype"
+	"github.com/labstack/echo/v4"
+)
+
+func ParseUuidOrEmpty(s string) *pgtype.UUID {
+	ParsedUuid, err := uuid.Parse(s)
+	if err != nil {
+		return &pgtype.UUID{
+			Valid: false,
+		}
+	}
+
+	return &pgtype.UUID{
+		Bytes: ParsedUuid,
+		Valid: true,
+	}
+}
+
+func ParseUuid(s string) (*pgtype.UUID, error) {
+	uid, err := uuid.Parse(s)
+	if err != nil {
+		return nil, err
+	}
+
+	return &pgtype.UUID{
+		Bytes: uid,
+		Valid: true,
+	}, nil
+}
+
+func ParseUuidOrBadRequest(c echo.Context, s string) *pgtype.UUID {
+	uid, err := ParseUuid(s)
+	if err != nil {
+		_ = BadRequest(c, "Invalid UUID.")
+
+		return nil
+	}
+
+	return uid
+
+}