toICalString method
Implementation
String toICalString() {
final buffer = StringBuffer();
buffer.writeln('BEGIN:VCALENDAR' '\r');
if (prodId != null) {
buffer.writeln('PRODID:$prodId' '\r');
}
buffer
.writeln('X-PUBLISHED-TTL:${refreshInterval.name.toUpperCase()}' '\r');
buffer.writeln(
'REFRESH-INTERVAL;VALUE=DURATION:${refreshInterval.name.toUpperCase()}'
'\r');
if (properties != null) {
for (final property in properties ?? []) {
buffer.writeln('$property' '\r');
}
}
if (events != null) {
for (final event in events ?? []) {
buffer.write(event.toICalString());
}
}
buffer.writeln('END:VCALENDAR' '\r');
return buffer.toString();
}