Associations with default attributes #18
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| attributes = @attributes.merge(attributes) | ||
| attributes.transform_values! do |value| | ||
| if !value.respond_to?(:call) then value else | ||
| klass ||= Struct.new(:id, *attributes.keys).new(id, *attributes.values) |
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Probably some of the most bananas code we've got now. It works! And we can always find something more performant later.
| @attributes = {} | ||
| end | ||
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| def with(**attributes) |
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Overall pretty happy with how relatively simple it turned out to implement default attributes. It's been on my wishlist since day one! And something that Fixtures aren't that suited for.
| users.update :kasper, name: "Kasper" | ||
| accounts.update :business, name: "Big Business Co." | ||
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| users.with name: -> { id.to_s.capitalize }, accounts: [accounts.business] |
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accounts: [accounts.business] here lets us ensure that every user created after here are automatically added to this account. And it's a through association through a Membership class! And we don't have to write the separate Fixture file for those. That's a huge fixture pain gone right there.
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Honestly, I'm still kinda stunned that it just worked. But we're just leaning on Active Record's user.accounts = writer method from the has_many :accounts, through: :memberships association.
Now we've got this: