From 922fb3be75e4c043691f79a93db17386609e7792 Mon Sep 17 00:00:00 2001
From: Cary Penniman <cpenniman@gmail.com>
Date: Fri, 7 Jun 2024 15:28:53 -0700
Subject: [PATCH] fix: unavailable date json values

---
 pkg/utils/time.go      |  4 ++++
 pkg/utils/time_test.go | 18 ++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 pkg/utils/time_test.go

diff --git a/pkg/utils/time.go b/pkg/utils/time.go
index 6e26693..cf3b6c2 100644
--- a/pkg/utils/time.go
+++ b/pkg/utils/time.go
@@ -19,6 +19,10 @@ func (ct *Time) UnmarshalJSON(b []byte) (err error) {
 
 // MarshalJSON writes a quoted string in the custom format
 func (ct Time) MarshalJSON() ([]byte, error) {
+	if ct.IsZero() {
+		return []byte("\"\""), nil
+	}
+
 	return []byte(ct.String()), nil
 }
 
diff --git a/pkg/utils/time_test.go b/pkg/utils/time_test.go
new file mode 100644
index 0000000..4440085
--- /dev/null
+++ b/pkg/utils/time_test.go
@@ -0,0 +1,18 @@
+// Copyright 2020 The Moov Authors
+// Use of this source code is governed by an Apache License
+// license that can be found in the LICENSE file.
+
+package utils
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestMarshalJSONIsZeroDate(t *testing.T) {
+	ct := new(Time) // create zero time
+	str, _ := ct.MarshalJSON()
+	if !bytes.Equal(str, []byte("\"\"")) {
+		t.Error("Expected empty string but received: \"" + string(str) + "\"\n")
+	}
+}