Send local data to database

[ebakir]

Bug Report or Feature Request (mark with an x)

- [x] bug report -> please search issues before submitting
- [ ] feature request

Bug description or desired functionality.

If no internet connection exists, no data is sent to the database. The data should be sent as soon as an internet connection exists.

[sfeilmeier]

This issue is worked on by @venu-sagar in #1177