4 replies

Additional attributes in many-to-many relations

Hi there,

I'm using a many-to-many relation between two resources. The resources

Ingredient

Ingredient

and

Store

Store

are related through the resource

Price

Price

(an ingredient is available at a store for a certain price).
The

Price

Price

resource has the additional attributes

:amount

:amount

and

:price

:price

.

Ideally, I'd like to have an action on the Ingredient resource to add a store. Somewhat like this:

    update :add_store do
      argument :store_id, :string, allow_nil?: false
      argument :amount, :float
      argument :price, :int
      ...
    end

    update :add_store do
      argument :store_id, :string, allow_nil?: false
      argument :amount, :float
      argument :price, :int
      ...
    end

This action should create a new price with the given attributes, but I'm struggling to implement the action. On other many-to-many relations, I've used

change manage_relationship(:stores, type: :append)

change manage_relationship(:stores, type: :append)

but I can't figure out how to add the additional arguments.

Ash Framework•4y ago•

4 replies

Ybireder

Additional attributes in many-to-many relations

Hi there,

I'm using a many-to-many relation between two resources. The resources

Ingredient

Ingredient

and

Store

Store

are related through the resource

Price

Price

(an ingredient is available at a store for a certain price).
The

Price

Price

resource has the additional attributes

:amount

:amount

and

:price

:price

.

Ideally, I'd like to have an action on the Ingredient resource to add a store. Somewhat like this:

    update :add_store do
      argument :store_id, :string, allow_nil?: false
      argument :amount, :float
      argument :price, :int
      ...
    end

    update :add_store do
      argument :store_id, :string, allow_nil?: false
      argument :amount, :float
      argument :price, :int
      ...
    end

This action should create a new price with the given attributes, but I'm struggling to implement the action. On other many-to-many relations, I've used

change manage_relationship(:stores, type: :append)

change manage_relationship(:stores, type: :append)

but I can't figure out how to add the additional arguments.

Additional attributes in many-to-many relations

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