feat: device authorization RFC 8628 (#5646)

* device auth: implement the write events

* add grant type device code

* fix(init): check if default value implements stringer

---------

Co-authored-by: adlerhurst <silvan.reusser@gmail.com>

internal/eventstore/handler/crdb/handler_stmt.go

@@ -267,6 +267,7 @@ func (h *StatementHandler) executeStmt(tx *sql.Tx, stmt *handler.Statement) erro
 	}
 	err = stmt.Execute(tx, h.ProjectionName)
 	if err != nil {
+		logging.WithError(err).Error()
 		_, rollbackErr := tx.Exec("ROLLBACK TO SAVEPOINT push_stmt")
 		if rollbackErr != nil {
 			return errors.ThrowInternal(rollbackErr, "CRDB-zzp3P", "rollback to savepoint failed")

internal/eventstore/handler/crdb/init.go

@@ -377,6 +377,8 @@ func defaultValue(value interface{}) string {
 	switch v := value.(type) {
 	case string:
 		return "'" + v + "'"
+	case fmt.Stringer:
+		return fmt.Sprintf("%#v", v)
 	default:
 		return fmt.Sprintf("%v", v)
 	}

internal/eventstore/handler/crdb/init_test.go

@@ -0,0 +1,49 @@
+package crdb
+
+import "testing"
+
+func Test_defaultValue(t *testing.T) {
+	type args struct {
+		value interface{}
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "string",
+			args: args{
+				value: "asdf",
+			},
+			want: "'asdf'",
+		},
+		{
+			name: "primitive non string",
+			args: args{
+				value: 1,
+			},
+			want: "1",
+		},
+		{
+			name: "stringer",
+			args: args{
+				value: testStringer(0),
+			},
+			want: "0",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := defaultValue(tt.args.value); got != tt.want {
+				t.Errorf("defaultValue() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+type testStringer int
+
+func (t testStringer) String() string {
+	return "0529958243"
+}