Method onDownload

app/src/main/java/eu/faircode/email/Core.java:3306–3313

(Context context, JSONArray jargs, EntityAccount account, EntityFolder folder, EntityMessage message, IMAPStore istore, IMAPFolder ifolder, State state)

    }

    private static void onDownload(Context context, JSONArray jargs, EntityAccount account, EntityFolder folder, EntityMessage message, IMAPStore istore, IMAPFolder ifolder, State state) throws MessagingException, IOException, JSONException {
        long uid = jargs.getLong(0);
        if (!Objects.equals(uid, message.uid))
            throw new IllegalArgumentException("Different uid=" + uid + "/" + message.uid);

        MimeMessage imessage = (MimeMessage) ifolder.getMessageByUID(uid);
        downloadMessage(context, account, folder, istore, ifolder, imessage, message.id, state, new SyncStats());
    }

    private static void onSubject(Context context, JSONArray jargs, EntityAccount account, EntityFolder folder, EntityMessage message, IMAPStore istore, IMAPFolder ifolder, State state) throws JSONException, MessagingException, IOException {
        DB db = DB.getInstance(context);