Update widgets to Room database functions

## Description
As a developer,
I need widgets in application to have updated db code,
so that I can create widgets for trip reminding.

## Acceptance Criteria
- [ ] Widgets should work as old implementation

### Update [Required]
- [ ] Widgets directory

## Definition of Done
- [ ] All of the required items are completed.
- [ ] Approval by 1 mentor.

## Estimation
24 hours 
