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Using a different key name for an association attribute in rails api active model serializer


Using a different key name for an association attribute in rails api active model serializer

By : user2953540
Date : November 21 2020, 01:01 AM
help you fix your problem You can define stays as one of the attributes you want to have in your json.
Naturally, the serializer will go to the model instance and not find an attribute in the model with that name. So, it will be sitting there scratching its head as to what in the world the value of :stays should be.
code :
class EmployeeSerializer < ActiveModel::Serializer
  attributes :id, :name, :stays

  def stays
    MyAddressSerializer.new(object.address, root: false)
  end

end


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Active Model Serializer - How do I include an attribute conditionally? Rails

Active Model Serializer - How do I include an attribute conditionally? Rails


By : kvapil
Date : November 23 2020, 09:01 AM
will be helpful for those in need After reading the documentation, looks like the include will be available only in the v0.10.0 version. The correct docs from v0.9 are these: https://github.com/rails-api/active_model_serializers/tree/v0.9.0#attributes. I've used the filter method before, something like this should do the trick:
code :
class Api::V1::SessionsController < ApplicationController
  if user = User.authenticate(params[:session][:email], params[:session][:password])
    if user.active
      user.generate_auth_token
      user.save

      render :json => user, :meta => {:auth_token => user.auth_token}
    end
  end
end



class UserSerializer < ActiveModel::Serializer
  attributes :id, :name, :auth_token

  def filter(keys)
   if meta && meta['auth_token']
     keys
   else
     keys - [:auth_token]
   end
  end
end
Include an association with Active Model Serializer

Include an association with Active Model Serializer


By : Tomas Bonaqua
Date : March 29 2020, 07:55 AM
hope this fix your issue In a Rails 5 application, I'm using Active Model Serializer 0.10.0.rc4. I want to include a relation in a json hash. , You can create a subscriptions method like this:
code :
attributes :subscriptions

def subscriptions
  object.subscriptions.as_json(only: [:id, :name])
end
Ruby On Rails - Active Model Serializer; Create a custom JSON serializer

Ruby On Rails - Active Model Serializer; Create a custom JSON serializer


By : Security Computer
Date : March 29 2020, 07:55 AM
I wish this help you how can I create a json with this key & value mapping? , Why do you need a serializer?
code :
users.map{|u| { "#{id}": name }.to_json
Active model serializer, render association without key

Active model serializer, render association without key


By : Onkar Tripathi
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I have a table named featured_products witch contains only two columns (product_id, position). On my GET /featured_products, I want to render something like this , You can also try this:
code :
render json: FeaturedProduct.includes(:product).order(:position).map(&:product) # include :product to avoid N + 1 queries on products
Rails active model serializer - attribute alias

Rails active model serializer - attribute alias


By : O. Bellakhdar
Date : March 29 2020, 07:55 AM
this will help I'm integrating an Angular 2 application with Rails 5.1 API back-end. , I think you needed this line in your serializer?
code :
attribute :created_at, key: :date
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