Add envitron support

shared/type.go

@@ -0,0 +1,28 @@
+package shared
+
+import (
+	"strconv"
+	"time"
+)
+
+// UnixTimestamp is a time.Time that can parse unix timestamps
+type UnixTimestamp time.Time
+
+// UnmarshalText implements encoding.TextUnmarshaler
+func (t *UnixTimestamp) UnmarshalText(b []byte) error {
+	i, err := strconv.ParseInt(string(b), 10, 64)
+	if err != nil {
+		return err
+	}
+	*t = UnixTimestamp(time.Unix(i, 0))
+	return nil
+}
+
+// UnmarshalJSON implements json.Unmarshaler
+func (t *UnixTimestamp) UnmarshalJSON(b []byte) error {
+	return t.UnmarshalText(b)
+}
+
+func (t UnixTimestamp) String() string {
+	return time.Time(t).Format(`2006-01-02 15:04`)
+}