add update_category as option

plugins/article_import/app/overrides/articles/upload/replace_label_with_file_format_option.html.haml.deface

@@ -2,4 +2,9 @@
 - if FoodsoftArticleImport.enabled?
   %label(for="articles_file")
     %strong="select the file type you are about to upload"
-  =f.collection_select :type, FoodsoftArticleImport::FORMATS , :to_s, :to_s
+  =f.collection_select :type, FoodsoftArticleImport::FORMATS , :to_s, :to_s
+/ insert_before 'erb:contains("articles_outlist_absent")'
+-if FoodsoftArticleImport.enabled?
+  %label(for="articles_update_category")
+    = f.check_box "update_category"
+    = t 'Kategorien aus der Datei übernehmen und erstellen.'

plugins/article_import/app/overrides/controllers/articles_controller_override.rb

@@ -5,6 +5,8 @@ ArticlesController.class_eval do
     options = { filename: uploaded_file.original_filename }
     options[:outlist_absent] = (params[:articles]['outlist_absent'] == '1')
     options[:convert_units] = (params[:articles]['convert_units'] == '1')
+    options[:update_category] = (params[:articles]['update_category'] == '1')
+
     @updated_article_pairs, @outlisted_articles, @new_articles = @supplier.sync_from_file uploaded_file.tempfile, type, options
     if @updated_article_pairs.empty? && @outlisted_articles.empty? && @new_articles.empty?
       redirect_to supplier_articles_path(@supplier), :notice => I18n.t('articles.controller.parse_upload.notice')

plugins/article_import/app/overrides/models/article_override.rb

@@ -0,0 +1,37 @@
+Article.class_eval do
+  def unequal_attributes(new_article, options = {})
+    # try to convert different units when desired
+    if options[:convert_units] == false
+      new_price = nil
+      new_unit_quantity = nil
+    else
+      new_price, new_unit_quantity = convert_units(new_article)
+    end
+    if new_price && new_unit_quantity
+      new_unit = self.unit
+    else
+      new_price = new_article.price
+      new_unit_quantity = new_article.unit_quantity
+      new_unit = new_article.unit
+    end
+
+    attribute_hash = {
+      :name => [self.name, new_article.name],
+      :manufacturer => [self.manufacturer, new_article.manufacturer.to_s],
+      :origin => [self.origin, new_article.origin],
+      :unit => [self.unit, new_unit],
+      :price => [self.price.to_f.round(2), new_price.to_f.round(2)],
+      :tax => [self.tax, new_article.tax],
+      :deposit => [self.deposit.to_f.round(2), new_article.deposit.to_f.round(2)],
+      # take care of different num-objects.
+      :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
+
+    Article.compare_attributes(attribute_hash)
+  end
+end

plugins/article_import/app/overrides/models/supplier_override.rb

@@ -13,14 +13,20 @@ Supplier.class_eval do
     custom_codes_file_path = custom_codes_path if File.exist?(custom_codes_path)
     FoodsoftArticleImport.parse(file, custom_file_path: custom_codes_file_path, type: type, **opts) do |new_attrs, status, line|
       article = articles.undeleted.where(order_number: new_attrs[:order_number]).first
-      new_attrs[:article_category] = ArticleCategory.find_match(new_attrs[:article_category])
+
+      if new_attrs[:article_category].present? && options[:update_category]
+        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]
       new_article = articles.build(new_attrs)
       if status.nil?
         if article.nil?
           new_articles << new_article
         else
-          unequal_attributes = article.unequal_attributes(new_article, options.slice(:convert_units))
+          unequal_attributes = article.unequal_attributes(new_article, options.slice(:convert_units, :update_category))
           unless unequal_attributes.empty?
             article.attributes = unequal_attributes
             updated_article_pairs << [article, unequal_attributes]

plugins/article_import/lib/foodsoft_article_import.rb

@@ -66,7 +66,7 @@ module FoodsoftArticleImport
     opts[:csv_options][:encoding] = encoding if encoding
     opts[:csv_options][:col_sep] = col_sep if col_sep
     opts[:csv_options][:liberal_parsing] = true if liberal_parsing
-    opts[:extension] = File.extname(File.basename(@@filename)) if @@filename
+    opts[:extension] = File.extname(File.basename(file)) if file
     begin
       Roo::Spreadsheet.open(file, **opts)
     rescue StandardError => e