new tags endpoint in UsersController

app/controllers/carto/api/users_controller.rb

@@ -14,6 +14,7 @@ module Carto
       include FrontendConfigHelper
       include AccountTypeHelper
       include AvatarHelper
+      include Carto::ControllerHelper
 
       UPDATE_ME_FIELDS = [
         :name, :last_name, :website, :description, :location, :twitter_username,
@@ -31,6 +32,8 @@ module Carto
       skip_before_action :api_authorization_required, only: [:me, :me_public, :get_authenticated_users]
       skip_before_action :check_user_state, only: [:me, :delete_me]
 
+      rescue_from StandardError, with: :rescue_from_standard_error
+
       def show
         render json: Carto::Api::UserPresenter.new(uri_user).data
       end
@@ -138,6 +141,14 @@ module Carto
         render_auth_users_data(session_user, referer, subdomain, referer_organization_username)
       end
 
+      def tags
+        query_builder = Carto::TagQueryBuilder.new.with_user(current_viewer)
+        result = query_builder.build
+        tags = result.map { |tag| TagPresenter.new(tag).to_poro }
+
+        render json: tags
+      end
+
       private
 
       def google_plus_iframe_src

config/routes.rb

@@ -656,6 +656,8 @@ CartoDB::Application.routes.draw do
       resources :multifactor_auths, only: [:create, :destroy, :show, :index], constraints: { id: /[^\/]+/ } do
         post 'verify_code', on: :member
       end
+
+      get 'tags' => 'users#tags', as: :api_v3_users_tags
     end
 
     scope 'v2/' do

spec/requests/carto/api/users_controller_spec.rb

@@ -433,4 +433,23 @@ describe Carto::Api::UsersController do
       end
     end
   end
+
+  describe 'tags' do
+    it 'returns 401 if there is no authenticated user' do
+      get_json api_v3_users_tags_url, @headers do |response|
+        expect(response.status).to eq(401)
+      end
+    end
+
+    it 'returns a 200 response with the current user tags' do
+      user = @organization.owner
+      FactoryGirl.create(:derived_visualization, user_id: user.id, tags: ["ETIQUETA"])
+      expected_result = { tag: "ETIQUETA", maps: 1, datasets: 0 }.with_indifferent_access
+
+      get_json api_v3_users_tags_url(user_domain: user.username, api_key: user.api_key), @headers do |response|
+        expect(response.status).to eq(200)
+        expect(response.body).to eq [expected_result]
+      end
+    end
+  end
 end