1751: Refactor feed import to enable feed cleanup

[turegjorup]

Link to ticket

https://leantime.itkdev.dk/tickets/showKanban#/tickets/showTicket/1751

Description

• Refactor feed import to allow cleanup of events
• Split events in FeedItem and Event to better track errors and "last seen" data of events in feeds
• Handle ``FeedItemData` synchronously when cleanup is active to allow for a delete strategy based on "last seen"

Screenshot of the result

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Checklist

• My code is covered by test cases.
• My code passes our test (all our tests).
• My code passes our static analysis suite.
• My code passes our continuous integration process.

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should be exempt from the list.

Additional comments or questions

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 297 lines in your changes missing coverage. Please review.

Project coverage is 0.67%. Comparing base (929ae3a) to head (bce96ac).
Report is 5 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/Command/Feed/FeedImportCommand.php	0.00%	55 Missing ⚠️
src/Entity/FeedItem.php	0.00%	51 Missing ⚠️
src/Service/Feeds/Reader/FeedReader.php	0.00%	47 Missing ⚠️
src/Entity/Feed.php	0.00%	28 Missing ⚠️
src/Repository/FeedItemRepository.php	0.00%	19 Missing ⚠️
src/MessageHandler/EventHandler.php	0.00%	16 Missing ⚠️
src/MessageHandler/FeedItemDataHandler.php	0.00%	16 Missing ⚠️
...rc/MessageHandler/FeedItemNormalizationHandler.php	0.00%	15 Missing ⚠️
src/Controller/Admin/FeedCrudController.php	0.00%	14 Missing ⚠️
src/Factory/EventFactory.php	0.00%	13 Missing ⚠️
... and 7 more

Additional details and impacted files

@@             Coverage Diff              @@
##             develop     #48      +/-   ##
============================================
- Coverage       0.70%   0.67%   -0.04%     
- Complexity       900     953      +53     
============================================
  Files            128     131       +3     
  Lines           3268    3431     +163     
============================================
  Hits              23      23              
- Misses          3245    3408     +163     

Flag	Coverage Δ
8.3	0.67% <0.00%> (-0.04%)	⬇️
unittests	0.67% <0.00%> (-0.04%)	⬇️

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