[Question] How would I get the name of the attribute a store_model belongs to? about store_model

[DmitryTsepelev]

Hi @drewbaumann!

Unfortunately we cannot reach the parent from the class method (because we do not have an access to the instance of Shop::OptinSettings::Details). I decided to try accessing parent from the initializer, but it's empty during the initialization. I ended up with a hacky way:

class OptinSettings
  include StoreModel::Model

  attribute :modal, OptinSettings::Details.to_type, default: OptinSettings::Details.new(:modal) # passing field name explicitly
  attribute :page, OptinSettings::Details.to_type, default: OptinSettings::Details.new(:page) # same
end

class OptinSettings::Details
  include StoreModel::Model

  attribute :body, :string
  attribute :title, :string

  def initialize(parent_attribute)
    super({}) # << otherwise it will try to pass parent_attribute

    self.title = I18n.t("shop.optin_settings.#{parent_attribute}.title")
    self.body = I18n.t("shop.optin_settings.#{parent_attribute}.title")
  end
end

[drewbaumann]

@DmitryTsepelev thank you. That makes sense. Does it handle dirty tracking on assignment? Happy to take this into another issue!

[DmitryTsepelev]

I guess it should (since it's just a regular assignment), but please don't take my word for it 🙂Also, it feels like it might not work when something is already stored in the database (I'm afraid we should check it in the initializer)

[drewbaumann]

Awesome. I appreciate your response!

[drewbaumann]

@DmitryTsepelev So interestingly enough this workaround works for records that do not have values under messaging, but when I load a record with an existing value I see:

1]pry(main) > Shop.find(4).optin_settings.modal.body
  Shop Load (1.1ms)  SELECT "shops".* FROM "shops" WHERE "shops"."id" = $1 LIMIT $2  [["id", 4], ["LIMIT", 1]]
=> "translation missing: en.shop.optin_settings.{\"body\"=>\"Make things easy with personalized EVERYTHING. <br/><br/> <b>No commitment. No spamming, ever.</b>\\r\\n\", \"title\"=>\"Never never never never ever run out of products. Ever.\"}.body"

So it is basically injecting the json via string interpolation.

To get around it I had to make the following change:

class Shop::OptinSettings::Details
  include StoreModel::Model

  attribute :body, :string
  attribute :title, :string

  def initialize(parent_attribute)
    super({}) # << otherwise it will try to pass parent_attribute
    if parent_attribute.is_a?(Symbol)
      self.title = I18n.t("shop.optin_settings.#{parent_attribute}.title")
      self.body = I18n.t("shop.optin_settings.#{parent_attribute}.body")
    elsif parent_attribute.is_a?(Hash)
      parent_attribute.each do |key, value|
        assignment_method = "#{key}="
        if respond_to?(assignment_method)
          send(assignment_method, value)
        end
      end
    end
  end
end

[DmitryTsepelev]

Sorry I'm a little bit behind things, will try to take a look later this week

[DmitryTsepelev]

@drewbaumann I feel like using the initializer was a bad idea, what about this approach?

class OptinSettings
  include StoreModel::Model

  attribute :modal, OptinSettings::Details.to_type, default: OptinSettings::Details.default_for(:modal)
  attribute :page, OptinSettings::Details.to_type, default: OptinSettings::Details.default_for(:page)
end

class OptinSettings::Details
  include StoreModel::Model

  attribute :body, :string
  attribute :title, :string

  def default_for(attribute_name)
    {
      title: I18n.t("shop.optin_settings.#{attribute_name}.title"),
      body: I18n.t("shop.optin_settings.#{attribute_name}.body"
    }
  end
end