UHF-9962 recommendations algorithm

[rpnykanen]

UHF-9962

Created sql-query which gets most relevant content recommendations for news_item nodes.

How to install

• Make sure your instance is up and running on correct branch.
  • git checkout UHF-9962
  • make fresh
• Run make drush-cr

How to test

• Log in as admin
• Go and enable the recommendations block
  • drush cr
• View any news item which have annif-tags
  • this one has quite good recommendations.
• The page should load normally
• Under the original recommendations there should be new block
• Optional: Open one of the recommended news
  • Do cross referencing to see that the tags in both news have matches.

• Check that this feature works
• Check that code follows our standards

Continuous documentation

• This feature has been documented/the documentation has been updated
• This change doesn't require updates to the documentation

Translations

• Translations have been added to .po -files and included in this PR

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud