Method onExpungeFolder

app/src/main/java/eu/faircode/email/Core.java:3226–3247

(Context context, JSONArray jargs, EntityFolder folder, IMAPFolder ifolder)

    }

    private static void onExpungeFolder(Context context, JSONArray jargs, EntityFolder folder, IMAPFolder ifolder) throws MessagingException {
        Log.i(folder.name + " expunge");

        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
        boolean uid_expunge = prefs.getBoolean("uid_expunge", false);

        if (uid_expunge)
            uid_expunge = MessageHelper.hasCapability(ifolder, "UIDPLUS");

        if (uid_expunge) {
            DB db = DB.getInstance(context);

            List<Long> uids = db.message().getDeletedUids(folder.id);
            if (uids == null || uids.size() == 0)
                return;

            Log.i(ifolder.getName() + " expunging " + TextUtils.join(",", uids));
            uidExpunge(context, ifolder, uids);
            Log.i(ifolder.getName() + " expunged " + TextUtils.join(",", uids));
        } else
            ifolder.expunge();
    }

    private static void onPurgeFolder(Context context, EntityFolder folder) {
        // POP3