[chore] Serialize times as UTC ISO8601 instead of RFC3339 (#602)

* add time util to mimic utc ISO8601

* use ISO8601 when serializing to frontend

* update test notification

1 files changed, 53 insertions, 0 deletions

diff --git a/internal/util/time_test.go b/internal/util/time_test.go
new file mode 100644
index 000000000..1d49e82af
--- /dev/null
+++ b/internal/util/time_test.go
@@ -0,0 +1,53 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package util_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/superseriousbusiness/gotosocial/internal/util"
+	"github.com/superseriousbusiness/gotosocial/testrig"
+)
+
+type TimeSuite struct {
+	suite.Suite
+}
+
+func (suite *TimeSuite) TestISO8601Format1() {
+	testTime := testrig.TimeMustParse("2022-05-17T13:10:59Z")
+	testTimeString := util.FormatISO8601(testTime)
+	suite.Equal("2022-05-17T13:10:59Z", testTimeString)
+}
+
+func (suite *TimeSuite) TestISO8601Format2() {
+	testTime := testrig.TimeMustParse("2022-05-09T07:34:35+02:00")
+	testTimeString := util.FormatISO8601(testTime)
+	suite.Equal("2022-05-09T05:34:35Z", testTimeString)
+}
+
+func (suite *TimeSuite) TestISO8601Format3() {
+	testTime := testrig.TimeMustParse("2021-10-04T10:52:36+02:00")
+	testTimeString := util.FormatISO8601(testTime)
+	suite.Equal("2021-10-04T08:52:36Z", testTimeString)
+}
+
+func TestTimeSuite(t *testing.T) {
+	suite.Run(t, &TimeSuite{})
+}