JSON escape text fields

Helps them to show up correctly in google calendar

helpers.go

@@ -0,0 +1,14 @@
+package main
+
+import "encoding/json"
+
+func jsonEscape(s string) string {
+	o, err := json.Marshal(s)
+	if err != nil {
+		// if it can't be json encoded just return the original
+		return s
+	}
+
+	str := string(o)
+	return str[1 : len(str)-1] // strip the leading/trailing quotes
+}

main.go

@@ -166,9 +166,9 @@ func diffEvents(cfg Config, up []gocal.Event, gevent []*calendar.Event) ([]*cale
 func iCalToGEvent(cfg Config, e gocal.Event) *calendar.Event {
 	allDay := isAllDayEvent(e)
 	return &calendar.Event{
-		Summary:     e.Summary,
-		Location:    e.Location,
-		Description: e.Description,
+		Summary:     jsonEscape(e.Summary),
+		Location:    jsonEscape(e.Location),
+		Description: jsonEscape(e.Description),
 		Start:       getEventTime(*e.Start, allDay),
 		End:         getEventTime(*e.End, allDay),
 		ICalUID:     getIDForEvent(cfg, e),