Include ForeignKeys in recipe search/filter

[blahosyl]

Use cases

1. text entered in the Search field is not only searched in fields of the Recipe model (title, excerpt, instructions) but also in fields connected by ForeignKeys: ingredients, comments, attributes USER STORY: Search recipes #88
2. Filter recipes by attributes USER STORY: Filter recipes on the home page #61

Relevant files

• collection/models.py
• collection/views.py
• collection/templates/collection/

Error messages

Sources consulted

• https://stackoverflow.com/questions/15507171/django-filter-query-foreign-key
• https://stackoverflow.com/questions/41605962/how-to-use-incontains-for-filtering-by-using-foreignkey-in-django
• https://stackoverflow.com/questions/72386581/how-to-run-icontains-method-on-a-foreignkey-field-in-django
• https://stackoverflow.com/questions/72845609/multiple-search-with-django-foreign-key-related-field-got-invalid-lookup-icont
• https://stackoverflow.com/questions/54405052/how-to-filter-foreignkey-set-icontains
• https://docs.djangoproject.com/en/4.2/topics/db/queries/#complex-lookups-with-q-objects
• https://docs.djangoproject.com/en/4.2/topics/db/queries/#chaining-filters

[blahosyl]

Implemented with the help of Roman Rakic

• commit
• commit