Move file import logic to model

app/controllers/articles_controller.rb

@@ -139,28 +139,9 @@ class ArticlesController < ApplicationController
   def parse_upload
     uploaded_file = params[:articles]['file']
     options = {filename: uploaded_file.original_filename}
-    # @todo move parsing to model (concern)
-    @updated_article_pairs, @outlisted_articles, @new_articles = [], [], []
-    FoodsoftFile::parse uploaded_file.tempfile, options do |status, new_attrs, line|
-      article = @supplier.articles.where(order_number: new_attrs[:order_number]).first
-      new_attrs[:article_category] = ArticleCategory.find_match(new_attrs[:article_category])
-      new_attrs[:tax] ||= FoodsoftConfig[:tax_default]
-      new_article = @supplier.articles.build(new_attrs)
-
-      if status.nil? && article.nil?
-        @new_articles << new_article
-      elsif status.nil? && article.present?
-        unequal_attributes = article.unequal_attributes(new_article)
-        article.attributes = unequal_attributes
-        @updated_article_pairs << [article, unequal_attributes]
-      elsif status == :outlisted && article.present?
-        @outlisted_articles << article
-
-      # stop when there is a parsing error
-      elsif status.is_a? String
-        raise I18n.t('articles.controller.error_parse', :msg => status, :line => line.to_s)
-      end
-
+    @updated_article_pairs, @outlisted_articles, @new_articles = @supplier.sync_from_file uploaded_file.tempfile, 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')
     end
     @ignored_article_count = 0
   rescue => error

app/models/supplier.rb

@@ -26,9 +26,7 @@ class Supplier < ActiveRecord::Base
   # also returns an array with outlisted_articles, which should be deleted
   # also returns an array with new articles, which should be added (depending on shared_sync_method)
   def sync_all
-    updated_articles = Array.new
-    outlisted_articles = Array.new
-    new_articles = Array.new
+    updated_article_pairs, outlisted_articles, new_articles = [], [], []
     for article in articles.undeleted
       # try to find the associated shared_article
       shared_article = article.shared_article(self)
@@ -37,7 +35,7 @@ class Supplier < ActiveRecord::Base
         unequal_attributes = article.shared_article_changed?(self)
         unless unequal_attributes.blank? # skip if shared_article has not been changed
           article.attributes = unequal_attributes
-          updated_articles << [article, unequal_attributes]
+          updated_article_pairs << [article, unequal_attributes]
         end
       # Articles with no order number can be used to put non-shared articles
       # in a shared supplier, with sync keeping them.
@@ -54,7 +52,42 @@ class Supplier < ActiveRecord::Base
         end
       end
     end
-    return [updated_articles, outlisted_articles, new_articles]
+    return [updated_article_pairs, outlisted_articles, new_articles]
+  end
+
+  # Synchronise articles with spreadsheet.
+  #
+  # @param file [File] Spreadsheet file to parse
+  # @param options [Hash] Options passed to {FoodsoftFile#parse} except when listed here.
+  # @option options [Boolean] :outlist_absent Set to +true+ to remove articles not in spreadsheet.
+  def sync_from_file(file, options={})
+    updated_article_pairs, outlisted_articles, new_articles = [], [], []
+    FoodsoftFile::parse file, options do |status, new_attrs, line|
+      article = articles.undeleted.where(order_number: new_attrs[:order_number]).first
+      new_attrs[:article_category] = ArticleCategory.find_match(new_attrs[:article_category])
+      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)
+          unless unequal_attributes.empty?
+            article.attributes = unequal_attributes
+            updated_article_pairs << [article, unequal_attributes]
+          end
+        end
+      elsif status == :outlisted && article.present?
+        outlisted_articles << article
+
+      # stop when there is a parsing error
+      elsif status.is_a? String
+        # @todo move I18n key to model
+        raise I18n.t('articles.model.error_parse', :msg => status, :line => line.to_s)
+      end
+    end
+    return [updated_article_pairs, outlisted_articles, new_articles]
   end
 
   # default value

config/locales/en.yml

@@ -355,12 +355,11 @@ en:
         notice: "%{count} new articles were saved."
       error_invalid: There are errors in articles
       error_nosel: No articles selected
-      error_parse: "%{msg} ... in line %{line}"
       error_update: 'An error occured when updating article ''%{article}'': %{msg}'
       parse_upload:
-        notice: "%{count} articles were succesfully analysed."
+        notice: Articles are already up to date.
       sync:
-        notice: Catalog is up to date
+        notice: Articles are already up to date.
         shared_alert: "%{supplier} is not linked to an external database"
       update_all:
         notice: All articles and prices were updated.
@@ -405,6 +404,7 @@ en:
     model:
       error_in_use: "%{article} can not be deleted because the article is part of a current order!"
       error_nosel: You have selected no articles
+      error_parse: "%{msg} ... in line %{line}"
     parse_upload:
       body: "<p><i>Please verify the articles.</i></p> <p><i>Warning, at the moment there is no check for duplicate articles.</i></p>"
       submit: Process upload