fix rubocop and add translations

app/models/article.rb

@@ -142,6 +142,9 @@ class Article < ApplicationRecord
       new_unit_quantity = new_article.unit_quantity
       new_unit = new_article.unit
     end
+    if options[:update_category] == true
+      new_article_category = new_article.article_category
+    end
 
     attribute_hash = {
       :name => [self.name, new_article.name],
@@ -155,10 +158,7 @@ class Article < ApplicationRecord
       :unit_quantity => [self.unit_quantity.to_s.to_f, new_unit_quantity.to_s.to_f],
       :note => [self.note.to_s, new_article.note.to_s]
     }
-    if options[:update_category] == true
-      new_article_category = new_article.article_category
-      attribute_hash[:article_category] = [self.article_category, new_article_category] unless new_article_category.blank?
-    end
+    attribute_hash[:article_category] = [self.article_category, new_article_category] if new_article_category
 
     Article.compare_attributes(attribute_hash)
   end

app/models/supplier.rb

@@ -82,10 +82,8 @@ class Supplier < ApplicationRecord
     FoodsoftFile::parse file, options do |status, new_attrs, line|
       article = articles.undeleted.where(order_number: new_attrs[:order_number]).first
 
-      if new_attrs[:article_category].present? && options[:update_category]
+      unless new_attrs[:article_category].blank?
         new_attrs[:article_category] = ArticleCategory.find_match(new_attrs[:article_category]) || ArticleCategory.create_or_find_by!(name: new_attrs[:article_category])
-      else
-        new_attrs[:article_category] = nil
       end
 
       new_attrs[:tax] ||= FoodsoftConfig[:tax_default]

config/locales/de.yml

@@ -568,7 +568,7 @@ de:
       options:
         convert_units: Derzeitige Einheiten beibehalten, berechne Mengeneinheit und Preis (wie Synchronisieren).
         outlist_absent: Artikel löschen, die nicht in der hochgeladenen Datei sind.
-        update_category: Kategorien aus der Datei übernehmen und erstellen.
+        update_category: Kategorien aus der Datei übernehmen.
       sample:
         juices: Säfte
         nuts: Nüsse

config/locales/en.yml

@@ -569,7 +569,7 @@ en:
       options:
         convert_units: Keep current units, recompute unit quantity and price (like synchronize).
         outlist_absent: Delete articles not in uploaded file.
-        update_category: Create and replace categories from uploaded file.
+        update_category: Take over categoriesfrom uploaded file.
       sample:
         juices: Juices
         nuts: Nuts

spec/integration/articles_spec.rb

@@ -1,9 +1,9 @@
 require_relative '../spec_helper'
 
 feature ArticlesController do
-  let(:user) { create :user, groups: [create(:workgroup, role_article_meta: true)] }
-  let(:supplier) { create :supplier }
-  let!(:article_category) { create :article_category }
+  let(:user) { create(:user, groups: [create(:workgroup, role_article_meta: true)]) }
+  let(:supplier) { create(:supplier) }
+  let!(:article_category) { create(:article_category) }
 
   before { login user }
 
@@ -18,7 +18,7 @@ feature ArticlesController do
     it 'can create a new article' do
       click_on I18n.t('articles.index.new')
       expect(page).to have_selector('form#new_article')
-      article = build :article, supplier: supplier, article_category: article_category
+      article = build(:article, supplier: supplier, article_category: article_category)
       within('#new_article') do
         fill_in 'article_name', :with => article.name
         fill_in 'article_unit', :with => article.unit
@@ -65,7 +65,7 @@ feature ArticlesController do
     end
 
     describe "can update existing article" do
-      let!(:article) { create :article, supplier: supplier, name: 'Foobar', order_number: 1, unit: '250 g' }
+      let!(:article) { create(:article, supplier: supplier, name: 'Foobar', order_number: 1, unit: '250 g') }
 
       it do
         find('input[type="submit"]').click
@@ -80,43 +80,20 @@ feature ArticlesController do
     describe "handles missing data" do
       it do
         find('input[type="submit"]').click # to overview
+        element = find_by_id('new_articles__price')
+        element.fill_in with: ""
         find('input[type="submit"]').click # missing category, re-show form
         expect(find('tr.alert')).to be_present
         expect(supplier.articles.count).to eq 0
 
-        all("tr select > option")[1].select_option
+        element.fill_in with: 5.56
         find('input[type="submit"]').click # now it should succeed
         expect(supplier.articles.count).to eq 1
       end
     end
 
-    describe "takes over category from file" do
-      it do
-        find(:css, '#articles_update_category[value="1"]').set(true) # check take over category from file
-        expect(ArticleCategory.count).to eq 1 # new Category vegetables should be created from file
-        find('input[type="submit"]').click # upload file
-        find('input[type="submit"]').click # submit changes
-        expect(ArticleCategory.count).to eq 2 # it is
-        expect(supplier.articles.count).to eq 1
-        expect(supplier.articles.first.article_category.name).to eq "Vegetables"
-      end
-    end
-
-    describe "overwrites article_category from file" do
-      let!(:article_category) { create(:article_category, name: "Fruit") }
-      let(:article) { create(:article, supplier: supplier, name: 'Tomatoes', order_number: 1, unit: '250 g', article_category: article_category) }
-
-      it do
-        find(:css, '#articles_update_category[value="1"]').set(true) # check take over category from file
-        find('input[type="submit"]').click #upload file
-        find('input[type="submit"]').click #submit changes
-        expect(supplier.articles.count).to eq 1
-        expect(supplier.articles.first.article_category.name).to eq "Vegetables"
-      end
-    end
-
     describe "can remove an existing article" do
-      let!(:article) { create :article, supplier: supplier, name: 'Foobar', order_number: 99999 }
+      let!(:article) { create(:article, supplier: supplier, name: 'Foobar', order_number: 99999) }
 
       it do
         check('articles_outlist_absent')
@@ -130,7 +107,7 @@ feature ArticlesController do
     end
 
     describe "can convert units when updating" do
-      let!(:article) { create :article, supplier: supplier, order_number: 1, unit: '250 g' }
+      let!(:article) { create(:article, supplier: supplier, order_number: 1, unit: '250 g') }
 
       it do
         check('articles_convert_units')