Delete Invite

[ghost]

This patch deletes invites that are older than a week.

Fixes #1137.

• Tests passing
• Black formatting
• Migrations for any changes to the database schema
• Rebase/merge the dev branch
• Note in the CHANGELOG

[codecov]

Codecov Report

Merging #1147 (2c67678) into dev (3de9c27) will decrease coverage by 0.10%.
The diff coverage is 70.96%.

@@            Coverage Diff             @@
##              dev    #1147      +/-   ##
==========================================
- Coverage   82.73%   82.63%   -0.11%     
==========================================
  Files          29       29              
  Lines        3395     3426      +31     
==========================================
+ Hits         2809     2831      +22     
- Misses        586      595       +9     

Impacted Files	Coverage Δ
dds_web/scheduled_tasks.py	24.77% <70.00%> (+16.34%)	⬆️
dds_web/database/models.py	94.28% <100.00%> (+0.01%)	⬆️

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[i-oden]

Looks good, a few comments though.
Apart from this, could you also keep track of the non-deleted invites in a similar way as the other scheduled tasks? So have a dict that you put the invite errors in and afterward print them out. If there's an issue with one of the invite deletions it should still be possible to delete the others.

So there should be 2 try-except blocks, one outside of the for loop and one per commit.

[ghost]

I have updated the if statement, added a try statement, and included errors.

[ghost]

I have updated expiration.

[i-oden]

There was one tiny typo and also we need to save the error message and print that out. Also shouldn't raise in the inner try except, otherwise it will not continue with the next invite.

[i-oden]

Looks good!