[6.0] Fix DELETE endpoints to return 404 for non-existent resources

[alikon]

Pull Request for Issue #46095 .

Summary of Changes

This PR fixes the DELETE endpoints to properly return HTTP 404 status code when attempting to delete non-existent resources, instead of returning 204 (No Content).

Testing Instructions

execute a DELETE for a non-existent resource es: /api/index.php/v1/contacts/99999

Actual result BEFORE applying this Pull Request

DELETE /api/v1/contacts/9999 returned 204 (No Content)

Expected result AFTER applying this Pull Request

DELETE /api/v1/contacts/9999 returns 404 (Not Found) with error message

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed

[muhme]

I have tested this item ✅ successfully on f9f4ac1

Tested with JBT and test_46161.sh:

• Before the PR with 6.0-dev
  • ✅ Deleting not-trashed article > 409 (CONFLICT)
    • data.message: Resource not in state that can be deleted, must be trashed before it can be deleted
    • messages.warning: Delete not permitted.
  • ✅ Deleting trashed article/content category/tag > 204 (NO CONTENT)
  • ❌ Deleting non-existing article/content category/tag > 204 (NO CONTENT)
• After applying PR with graft full package
  • ✅ Deleting not-trashed article > 409 (CONFLICT)
    • data.message: Resource not in state that can be deleted, must be trashed before it can be deleted
    • messages.warning: Delete not permitted.
  • ✅ Deleting trashed article/content category/tag > 204 (NO CONTENT)
  • ✅ Deleting non-existing article/content category/tag > 404 (NOT FOUND)
    • data.message: Resource not found
    • data.status: not found

Thank you 👍

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[basd82]

I have tested this item ✅ successfully on f9f4ac1

Before patch i got 204
Now a 404 as exspected

thanks @alikon

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[richard67]

RTC

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[Bodge-IT]

Thanks @alikon and @basd82 & @muhme for testing