- // No inverted rules matched, okay to match normally
- // Return true if...
- // ...we found a normal match
- // ...implicit wildcard: we had inverted rules (that didn't match) and no normal rules
- return matches || (invertedRuleFound && !normalRuleFound);
+}
+
+
+QString formatDateTimeToOffsetISO(const QDateTime &dateTime)
+{
+ if (!dateTime.isValid()) {
+ // Don't try to do anything with invalid date/time
+ return "formatDateTimeToISO() invalid date/time";
+ }
+
+#if 0
+ // The expected way to get a UTC offset on ISO8601 dates
+ return dateTime.toTimeSpec(Qt::OffsetFromUTC).toString(Qt::ISODate);
+#else
+ // Work around Qt bug that converts to UTC instead of including timezone information
+ // See https://bugreports.qt.io/browse/QTBUG-26161
+ //
+ // NOTE: Despite the bug report marking as fixed in Qt 5.2.0 (QT_VERSION >= 0x050200), this
+ // still appears broken in Qt 5.5.1.
+ //
+ // Credit to "user362638" for the solution below, modified to fit Quassel's needs
+ // https://stackoverflow.com/questions/18750569/qdatetime-isodate-with-timezone
+
+ // Get the local and UTC time
+ QDateTime local = QDateTime(dateTime);
+ QDateTime utc = local.toUTC();
+ utc.setTimeSpec(Qt::LocalTime);
+
+ // Find the UTC offset
+ int utcOffset = utc.secsTo(local);
+
+ // Force the local time to follow this offset
+ local.setUtcOffset(utcOffset);
+ // Now the output should be correct
+ return local.toString(Qt::ISODate);
+#endif