# What this PR does
- drop `GET /api/internal/v1/shift_swaps/<id>/shifts` endpoint in favour
of adding a `shifts` property to the response schema for all shift swap
endpoints (expect `GET /api/internal/v1/shift_swaps` (ie. list all))
- Update the Slack message layout:
<img width="590" alt="Screenshot 2023-08-01 at 17 28 44"
src="https://github.com/grafana/oncall/assets/9406895/84a51614-5dd6-48ec-ae81-fef4bc32fec9">
**Note**: about the highlighted lines. This is a small issue w/ the
`ShiftSwapRequest.shifts` method. @matiasb is already helping out here 🙏
**Other stuff**
- adds some type hints related to the code I was working around with
- slightly refactor `apps.slack.utils.format_datetime_to_slack` to make
it more generic for the use case in this PR
## Checklist
- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)
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