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In order to be able to preload ingredients' related object graphs, we
need to be able to tell the rails preloader how those graphs look.
This adds a method that can be used on for example an element like this:
```
def preload_ingredient_relations(element)
element.ingredients.group_by(&:preload_relations).each do |preload_relations, ingredients|
preload(records: ingredients.map(&:related_object).compact, associations: preload_relations)
end
element
end
def preload(records:, associations:)
if Rails::VERSION::MAJOR >= 7
ActiveRecord::Associations::Preloader.new(records: records, associations: associations).call
else
ActiveRecord::Associations::Preloader.new.preload(records, associations)
end
end
```
Most notorious for n+1 problems is the picture ingredient that tends to
have a lot of thumbs that we actually need.
mamhoff
added a commit
to AlchemyCMS/alchemy-json_api
that referenced
this pull request
Jul 19, 2023
This takes the capabilities from AlchemyCMS/alchemy_cms#2523 and allows pre-loading object graphs on ingredient's related objects.
tvdeyen
reviewed
Jul 20, 2023
tvdeyen
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Great idea. I think we could also make this a static method.
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Closing in favor of AlchemyCMS/alchemy-json_api#72 |
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What is this pull request for?
This allows code that renders pages or elements with ingredients to preload the object graphs below ingredient's related objects.
Notable changes (remove if none)
In order to be able to preload ingredients' related object graphs, we need to be able to tell the rails preloader how those graphs look.
This adds a method that can be used on for example an element like this:
Most notorious for n+1 problems is the picture ingredient that tends to have a lot of thumbs that we actually need.
Checklist