Method onSync

app/src/main/java/eu/faircode/email/ServiceSend.java:601–642

(EntityFolder outbox)

    }

    private void onSync(EntityFolder outbox) {
        NotificationManager nm = Helper.getSystemService(this, NotificationManager.class);

        DB db = DB.getInstance(this);
        try {
            db.beginTransaction();

            db.folder().setFolderError(outbox.id, null);

            // Requeue non executing operations
            for (long id : db.message().getMessageByFolder(outbox.id)) {
                EntityMessage message = db.message().getMessage(id);
                if (message == null || message.warning != null)
                    continue;

                EntityOperation op = db.operation().getOperation(message.id, EntityOperation.SEND);
                if (op != null) {
                    if ("executing".equals(op.state))
                        continue;
                    db.operation().deleteOperation(op.id);
                }

                EntityLog.log(this, "Send restore id=" + message.id + " error=" + message.error);

                db.message().setMessageError(message.id, null);
                nm.cancel("send:" + message.id, NotificationHelper.NOTIFICATION_TAGGED);

                if (message.ui_snoozed == null)
                    EntityOperation.queue(this, message, EntityOperation.SEND);
                else
                    EntityMessage.snooze(this, message.id, message.ui_snoozed);
            }

            db.setTransactionSuccessful();
        } catch (IllegalArgumentException ex) {
            Log.w(ex);
        } finally {
            db.endTransaction();
        }

        ServiceSend.start(this);
    }

    private void onSend(EntityMessage message) throws JSONException, MessagingException, IOException {
        DB db = DB.getInstance(this);