Send asset downtime status along with asset details

[Pranshu1902]

Proposed Changes

Modify the AssetAvailabilityViewSet query set to send the asset uptime status of all assets related to the user

Associated Issue

Partially Fixes #6819

Merge Checklist

• Tests added/fixed
• Update docs in /docs
• Linting Complete
• Any other necessary step

Only PR's with test cases included and passing lint and test pipelines will be reviewed

@coronasafe/care-backend-maintainers @coronasafe/care-backend-admins

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (48e5468) 61.36% compared to head (d071661) 61.63%.
Report is 52 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1794      +/-   ##
==========================================
+ Coverage   61.36%   61.63%   +0.27%     
==========================================
  Files         211      212       +1     
  Lines       11587    11666      +79     
  Branches     1659     1655       -4     
==========================================
+ Hits         7110     7190      +80     
+ Misses       4205     4180      -25     
- Partials      272      296      +24     

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[rithviknishad]

Changes required as per coronasafe/care_fe#6952 (review)

[Pranshu1902]

@sainak could you review these changes

[sainak]

add test cases

[rithviknishad]

This would mean that the "AssetSerializer" can now only be used by "AssetViewset" since the field is annotated in the get_queryset.

If we were to use the "AssetSerializer" elsewhere, wouldn't this cause issues since we would not/need not be annotating it there.

@sainak is this correct?

[nihal467]

LGTM

[Pranshu1902]

@vigneshhari could you review this PR

[vigneshhari]

It might be better to cache this data in the main record to make the query simpler.