add basic functionality of plugin

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

@@ -0,0 +1,5 @@
+/ insert_after 'erb:contains("file_field")'
+- 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

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

@@ -0,0 +1,16 @@
+ArticlesController.class_eval do
+  def parse_upload
+    uploaded_file = params[:articles]['file'] or raise I18n.t('articles.controller.parse_upload.no_file')
+    type = params[:articles]['type']
+    options = { filename: uploaded_file.original_filename }
+    options[:outlist_absent] = (params[:articles]['outlist_absent'] == '1')
+    options[:convert_units] = (params[:articles]['convert_units'] == '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')
+    end
+    @ignored_article_count = 0
+  rescue => error
+    redirect_to upload_supplier_articles_path(@supplier), :alert => I18n.t('errors.general_msg', :msg => error.message)
+  end
+end

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

@@ -0,0 +1,45 @@
+Supplier.class_eval do
+    # Synchronise articles with spreadsheet.
+  #
+  # @param file [File] Spreadsheet file to parse
+  # @param options [Hash] Options passed to {FoodsoftArticleImport#parse} except when listed here.
+  # @option options [Boolean] :outlist_absent Set to +true+ to remove articles not in spreadsheet.
+  # @option options [Boolean] :convert_units Omit or set to +true+ to keep current units, recomputing unit quantity and price.
+  def sync_from_file(file, type, options = {})
+    all_order_numbers = []
+    updated_article_pairs, outlisted_articles, new_articles = [], [], []
+    custom_codes_path = File.join(Rails.root, "config", "custom_codes.yml")
+    opts = options.except(:convert_units, :outlist_absent)
+    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])
+      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))
+          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
+
+      all_order_numbers << article.order_number if article
+    end
+    if options[:outlist_absent]
+      outlisted_articles += articles.undeleted.where.not(order_number: all_order_numbers + [nil])
+    end
+    [updated_article_pairs, outlisted_articles, new_articles]
+  end
+end

plugins/article_import/foodsoft_article_import.gemspec

@@ -0,0 +1,20 @@
+$:.push File.expand_path("../lib", __FILE__)
+
+# Maintain your gem's version:
+require "foodsoft_article_import/version"
+
+# Describe your gem and declare its dependencies:
+Gem::Specification.new do |s|
+  s.name        = "foodsoft_article_import"
+  s.version     = FoodsoftArticleImport::VERSION
+  s.authors     = ["viehlieb"]
+  s.email       = ["foodsoft@local-it.org"]
+  s.summary     = "Manages manual article import from file. File Formats supported are: foodsoft file(csv), bnn files (.bnn) and odin files (xml)"
+
+  s.files = Dir["{app,config,db,lib}/**/*"] + ["Rakefile", "README.md"]
+
+  s.add_dependency "rails"
+  s.add_dependency "deface", "~> 1.0"
+  s.add_dependency 'roo', '~> 2.9.0'
+  s.add_development_dependency 'simplecov'
+end

plugins/article_import/lib/foodsoft_article_import.rb

@@ -0,0 +1,76 @@
+# frozen_string_literal: true
+require "deface"
+require 'foodsoft_article_import/engine'
+require 'digest/sha1'
+require 'tempfile'
+require 'csv'
+require 'yaml'
+require 'active_support/core_ext/hash/keys'
+require_relative 'foodsoft_article_import/bnn'
+require_relative 'foodsoft_article_import/odin'
+require_relative 'foodsoft_article_import/foodsoft'
+module FoodsoftArticleImport
+  class ConversionFailedException < StandardError; end
+
+  FORMATS = %w(bnn foodsoft odin).freeze
+  def self.enabled?
+    FoodsoftConfig[:use_article_import]
+  end
+
+  def self.file_formats
+    @@file_formats ||= {
+      'bnn' => FoodsoftArticleImport::Bnn,
+      'foodsoft' => FoodsoftArticleImport::Foodsoft,
+      'odin' => FoodsoftArticleImport::Odin,
+    }.freeze
+  end
+
+  # Parse file by type (one of {.file_formats})
+  #
+  # @param file [File, Tempfile]
+  # @option opts [String] type file format (required) (see {.file_formats})
+  # @return [File, Roo::Spreadsheet] file with encoding set if needed
+  def self.parse(file, custom_file_path: nil, type: nil, **opts, &blk)
+    @@filename = opts[:filename] if opts[:filename]
+    custom_file_path ||= nil
+    type ||= 'bnn'
+    parser = file_formats[type]
+    if block_given?
+      parser.parse(file, custom_file_path: custom_file_path, &blk)
+    else
+      data = []
+      parser.parse(file, custom_file_path: custom_file_path) { |a| data << a }
+      data
+    end
+  end
+
+  # Helper method to generate an article number for suppliers that do not have one
+  def self.generate_number(article)
+    # something unique, but not too unique
+    s = "#{article[:name]}-#{article[:unit_quantity]}x#{article[:unit]}"
+    s = s.downcase.gsub(/[^a-z0-9.]/, '')
+    # prefix abbreviated sha1-hash with colon to indicate that it's a generated number
+    article[:order_number] = ":#{Digest::SHA1.hexdigest(s)[-7..]}"
+    article
+  end
+
+  # Helper method for opening a spreadsheet file
+  #
+  # @param file [File] file to open
+  # @param filename [String, NilClass] optional filename for guessing the file format
+  # @param encoding [String, NilClass] optional CSV encoding
+  # @param col_sep [String, NilClass] optional column separator
+  # @return [Roo::Spreadsheet]
+  def self.open_spreadsheet(file, encoding: nil, col_sep: nil, liberal_parsing: nil)
+    opts = { csv_options: {} }
+    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
+    begin
+      Roo::Spreadsheet.open(file, **opts)
+    rescue StandardError => e
+      raise "Failed to parse foodsoft file. make sure file format is correct: #{e.message}"
+    end
+  end
+end

plugins/article_import/lib/foodsoft_article_import/bnn.rb

@@ -0,0 +1,90 @@
+# frozen_string_literal: true
+
+# Module for translation and parsing of BNN-files (www.n-bnn.de)
+#
+module FoodsoftArticleImport
+  module Bnn
+    @@codes = {}
+    @@midgard = {}
+    # Loads the codes_file config/bnn_codes.yml into the class variable @@codes
+    def self.load_codes(custom_file_path = nil)
+      @gem_lib = File.expand_path '..', __dir__
+      dir = File.join @gem_lib, 'foodsoft_article_import'
+      begin
+        @@codes = YAML.safe_load(File.open(File.join(dir, 'bnn_codes.yml'))).symbolize_keys
+        if custom_file_path
+          custom_codes = YAML.safe_load(File.open(custom_file_path)).symbolize_keys
+          custom_codes.each_key do |key|
+            custom_codes[key] = custom_codes[key].merge @@codes[key] if @@codes.keys.include?(key)
+            @@codes = @@codes.merge custom_codes
+          end
+        end
+        @@midgard = YAML.safe_load(File.open(File.join(dir, 'midgard_codes.yml'))).symbolize_keys
+      rescue StandardError => e
+        raise "Failed to load bnn_codes: #{dir}/{bnn,midgard}_codes.yml: #{e.message}"
+      end
+    end
+
+    $missing_bnn_codes = []
+
+    # translates codes from BNN to foodsoft-code
+    def self.translate(key, value)
+      if @@codes[key][value]
+        @@codes[key][value]
+      elsif @@midgard[key]
+        @@midgard[key][value]
+      elsif !value.nil?
+        $missing_bnn_codes << value
+        nil
+      end
+    end
+
+    NAME = 'BNN (CSV)'
+    OUTLIST = false
+    OPTIONS = {
+      encoding: 'IBM850',
+      col_sep: ';'
+    }.freeze
+
+    # parses a bnn-file
+    def self.parse(file, custom_file_path: nil, **opts)
+      custom_file_path ||= nil
+      encoding = opts[:encoding] || OPTIONS[:encoding]
+      col_sep = opts[:col_sep] || OPTIONS[:col_sep]
+      load_codes(custom_file_path)
+      CSV.foreach(file, { col_sep: col_sep, encoding: encoding, headers: true }).with_index(1) do |row, i|
+        # check if the line is empty
+        unless row[0] == '' || row[0].nil?
+          article = {
+            name: row[6],
+            order_number: row[0],
+            note: row[7],
+            manufacturer: translate(:manufacturer, row[10]),
+            origin: row[12],
+            article_category: translate(:category, row[16]),
+            unit: row[23],
+            price: row[37],
+            tax: translate(:tax, row[33]),
+            unit_quantity: row[22]
+          }
+          # TODO: Complete deposit list....
+          article.merge!(deposit: translate(:deposit, row[26])) if translate(:deposit, row[26])
+
+          if !row[62].nil?
+            # consider special prices
+            article[:note] = "Sonderpreis: #{article[:price]} von #{row[62]} bis #{row[63]}"
+            yield article, :special, i
+
+            # Check now for article status, we only consider outlisted articles right now
+            # N=neu, A=Änderung, X=ausgelistet, R=Restbestand,
+            # V=vorübergehend ausgelistet, W=wiedergelistet
+          elsif row[1] == 'X' || row[1] == 'V'
+            yield article, :outlisted, i
+          else
+            yield article, nil, i
+          end
+        end
+      end
+    end
+  end
+end

plugins/article_import/lib/foodsoft_article_import/dnb_codes.yml

@@ -0,0 +1,129 @@
+
+# from http://www.nieuweband.nl/producten/groepen/
+indeling:
+  1: Verswaren
+  50: Kaas
+  62: Schapenkaas
+
+  2: Basisproducten
+  850: Noten
+  855: Noten grootverbruik
+  700: Peulvruchten
+  705: Peulvruchten grootverbruik
+  340: Rijst
+  341: Rijst grootverbruik
+  450: Vlokken
+  455: Vlokken grootverbruik
+  800: Zaden en pitten
+  805: Zaden en pitten grootverbruik
+  603: Melen grootverbruik
+
+  3: Ontbijt en lunch
+  943: Marmelade
+  1272: Muesli en poppies
+  1000: Notenpasta
+  1276: Ontbijtmelen
+  1295: Rijstwafels
+  1290: Roggebrood
+  1270: Sandwichspread
+  940: Vruchtenbeleg
+  942: Vruchtenjam
+  944: Vruchtenstroop
+  1300: Knäckebröd, toast en beschuit
+
+  4: Warme maaltijd
+  1820: Mosterd
+  1610: Olijfolie
+  1600: Olijven
+  1451: Peulvruchtenconserven
+  1957: Pindasaus
+  1960: Sambal, ketjap en pittige smaakmakers
+  2170: Seitan
+  2260: Siropen
+  2248: Smaakmakers
+  1500: Soepen en bouillon
+  1515: Soepstengels
+  2000: Sojasauzen
+  2250: Suiker
+  1452: Tafelzuren
+  1590: Tamme-kastanje-producten
+  1975: Thaise keuken
+  1900: Tomatenproducten
+  1670: Vetten
+  1930: Visconserven
+  2175: Vleesvervangers
+  1360: Vruchtencompote
+  1400: Vruchtenconserven
+  1350: Vruchtenmoes en -puree
+  2249: Zout en kruidenzout
+
+  5: Sappen en dranken
+  2605: Rode wijn Oostenrijk
+  2604: Rode wijn Portugal
+  2602: Rode wijn Spanje
+  2608: Rode wijn Zuid-Afrika
+  2612: Rosé Spanje
+  2617: Rosé Zuid-Afrika
+  2420: Smoothies
+  2455: Sojamelkproducten
+  2505: Speciaalbieren
+  2400: Vruchtensappen
+  2490: Waterijs
+  2637: Witte wijn Argentinië
+  2630: Witte wijn Frankrijk
+  2634: Witte wijn Griekenland
+  2631: Witte wijn Italië
+  2635: Witte wijn Oostenrijk
+  2632: Witte wijn Spanje
+  2638: Witte wijn Zuid-Afrika
+
+  6: Warme dranken en theekruiden
+  3102: Kruidenthee builtjes
+  3100: Kruidenthee los
+  3020: Kruidenthee met geneeskrachtige werking
+  3009: Rooibosthee
+  3010: Thee grootverpakking
+  3052: Theekruiden
+  3008: Witte thee
+  3011: Yogi spice tea
+  3012: Yogi tao tea
+  3000: Zwarte thee
+
+  7: Versnaperingen
+  3552: Lollies
+  3470: Nougat en fudge
+  3570: Raw Food
+  3360: Rozijntjes in kinderverpakking
+  3410: Snijkoek
+  3555: Snoep met suiker
+  3550: Snoep zonder suiker
+  3405: Stroopwafels
+  3350: Tortillachips en salsa
+  3358: Zoete chips
+  3540: Zoethoutstokjes
+  3365: Zoutjes, hartige bites en popcorn
+  3530: Laurierdrop
+
+  8: Persoonlijke verzorging en cosmetica
+  5036: Lavera
+  5037: Namaste
+  5040: Natracare
+  5042: Odylique
+  5049: Sonett
+  5055: Urtekram
+  5065: Weleda
+
+  9: Natuurtherapeutisch
+  5455: Kruidentincturen
+  5420: Propolis-producten
+  5245: Zelfzorgmiddelen
+  5280: Huid- en massage-olie
+
+  10: Non Food
+  5517: Luiers en babydoekjes
+  5510: Maandverband en tampons
+  5520: Toiletpapier e.d.
+  5890: Voor kinderen (en volwassenen)
+  5650: Was- en schoonmaakmiddelen
+  5515: Watten
+  5610: Luchtverfrissers

plugins/article_import/lib/foodsoft_article_import/engine.rb

@@ -0,0 +1,12 @@
+module FoodsoftArticleImport
+  class Engine < ::Rails::Engine
+    config.to_prepare do
+      Dir.glob(Rails.root + "app/decorators/**/*_decorator*.rb").each do |c|
+        require_dependency(c)
+      end
+    end
+    def default_foodsoft_config(cfg)
+      cfg[:use_article_import] = true
+    end
+  end
+end

plugins/article_import/lib/foodsoft_article_import/foodsoft.rb

@@ -0,0 +1,60 @@
+# frozen_string_literal: true
+
+# Module for Foodsoft-file import
+# The Foodsoft-file is a CSV-file, with semicolon-separated columns, or ODS/XLS/XLSX
+
+require 'roo'
+require 'roo-xls'
+
+module FoodsoftArticleImport
+  module Foodsoft
+    NAME = 'Foodsoft (CSV, ODS, XLS, XLSX)'
+    OUTLIST = false
+    OPTIONS = {
+      encoding: 'UTF-8',
+      col_sep: ';'
+    }.freeze
+
+    # Parses Foodsoft file
+    # the yielded article is a simple hash
+    def self.parse(file, custom_file_path: nil)
+      custom_file_path ||= nil
+      opts = OPTIONS.dup
+
+      ss = FoodsoftArticleImport.open_spreadsheet(file, **opts)
+
+      header_row = true
+      ss.sheet(0).each.with_index(1) do |row, i|
+        # skip first header row
+        if header_row
+          header_row = false
+          next
+        end
+        # skip empty lines
+        if row[2].to_s.strip.empty?
+          # raise no order number given
+          yield nil, nil, i
+          next
+        end
+
+        article = { order_number: row[1],
+                    name: row[2],
+                    note: row[3],
+                    manufacturer: row[4],
+                    origin: row[5],
+                    unit: row[6],
+                    price: row[7],
+                    tax: row[8],
+                    unit_quantity: row[10],
+                    article_category: row[13] }
+        article.merge!(deposit: row[9]) unless row[9].nil?
+        FoodsoftArticleImport.generate_number(article) if article[:order_number].to_s.strip.empty?
+        if row[6].nil? || row[7].nil? || row[8].nil?
+          yield article, 'Error: unit, price and tax must be entered', i
+        else
+          yield article, (row[0] == 'x' ? :outlisted : nil), i
+        end
+      end
+    end
+  end
+end

plugins/article_import/lib/foodsoft_article_import/midgard_codes.yml

@@ -0,0 +1,294 @@
+manufacturer:
+  "61": Maintal
+  AB: Agrobioservice
+  AD: Anita Dehnert
+  AH: Phyto Treasures e.K.
+  AO: Arganöl
+  AR: ARIES
+  AS: Abraham Schinken
+  Ad: Molkerei Andechs
+  An: Frans Andringa
+  Ap: Apfeltraum
+  Ar: Provamel über Arche
+  Ay: Aytem
+  BA: BauckHof Amelinghausn
+  BB: Bakenhus Biofleisch GmbH
+  BC: Bio-Bäckerei Bucco
+  BD: Biosa
+  BF: Bruno Fischer
+  BG: Bauers Garten
+  BH: Bauck Hof
+  BHA: Bauck Hof Amelinghausen
+  BI: Biofarben
+  BK: Burger Knäcke
+  BKO: BioKräuterei Oberhavel
+  BL: Beumer & Lutum
+  BM: Bohlsener Mühle
+  BN: Brochenin
+  BOD: Bode Naturkost
+  BR: Luchs Bier
+  BT: Beltane Naturkost GmbH
+  BU: Baumschule am Butzelberg
+  BV: BIO VITA
+  BZ: Biozeit
+  Ba: Bauck demeter Produkte
+  Bb: Beutelsbacher
+  Bd: Biosa Danmark Aps
+  Be: Behncken
+  Bf: Backforum
+  Bg: Butzelberg
+  Bh: Barnhouse
+  Bj: Milchschafhof Brünjes
+  Bk: Blank
+  Bm: Biomax
+  Bn: Bentele
+  Bo: Bobalis
+  Bt: Bretti's
+  Bu: Biogärtnerei Bauer
+  By: Byodo
+  CA: Care
+  CF: CLUB Feinkost
+  CI: CIDRERIE
+  CV: Cosmoveda
+  Ca: Campo
+  Cl: Obsthof Clostermann
+  Co: Obsthof Cordes (Heinrich)
+  Cp: Campobello
+  Cs: Cosmoveda
+  Ct: cbet GmbH
+  DA: Danival
+  DE: DEMETER-Erzeugergemeinschaft
+  DH: Dieter Hein Wurstwaren
+  DM: Dr. Martins
+  DN: Hof Dannwisch
+  DO: Donath-Mühle
+  DR: De Rit
+  DV: Davert
+  DW: Vovic / Evian
+  De: Dennree
+  Dk: Dinkula
+  EB: Erich Boden
+  EH: Engemann Handel
+  EI: Natürlich Eistert
+  ELM: BIONADE
+  EN: Provence Regime
+  EO: Eosta
+  ER: Euresis
+  Eb: Eisblümerl
+  Eh: Erhardt Meerrettichprodukte
+  Ei: Eiland
+  El: Kelterei Elm
+  En: Eichhorn
+  Er: Erdmannhauser Brezelfabrik
+  Es: Erntesegen
+  FB: Flensburger Brauerei
+  FE: Frucht-Express
+  FF: Schiffers
+  FI: Fromi GmbH
+  FL: Florian Kerzen
+  FR: I Frutti del Sole
+  FU: Future 3000
+  Fh: Florahof
+  Fq: Fläming-Quelle
+  Fr: Frunet
+  Ft: Fontaine
+  GA: Bio-Gärtnerei Altglobsow
+  GG: Naturhof Günter Gaßmann
+  GH: Gutshöfe
+  GN: Nesse Gewürze
+  GO: Der Georgshof
+  GS: Gut Schmerwitz
+  GT: Gut Temmen
+  Gb: Grabower
+  Gl: Glaciar
+  Go: Golden Temple
+  Gr: Grützdorfer
+  Gw: Gwidon Zastawa
+  Gä: Gärtnerei am Bauerngut
+  GÖ: Stadtgut Görlitz
+  HA: Haaner Felsenquelle
+  HB: Hof Bockum
+  HF: Hühnerhof Falkenthal
+  HK: Heinz Ketchup
+  HM: Hof Marienhöhe
+  HO: Hoffmann
+  HS: Obstbau H. Schalkau
+  Ha: Hake
+  Hc: Hoch Oblatenfabrik
+  He: Hennicke
+  Hk: Natur Obsthof Hauke
+  Hl: Heidehof
+  Ho: Holle
+  Hu: Humanopolis
+  Hü: Hütterman
+  IC: Japan Grüntee
+  IN: Isola della Natura
+  IOC: IOC
+  IS: Isana
+  Ib: Iberia
+  Il: Il Nuraghe
+  Is: ISANA
+  JH: Beerenobst
+  JS: Juers Fruchtchips
+  Je: Jelitta Käse
+  KD: Kristdyn
+  KG: Kräuter Gut
+  KK: 74271
+  KN: Öko-Gartenbau
+  KP: Kräutergarten Pommerland
+  Ka: Kanne
+  Kg: Karg Brotgenuß
+  Kä: Kärrners
+  Kö: Obsthof König
+  LB: Lammsbräu
+  LE: LEEB Schaf- und Ziegenmolkerei
+  LI: Legend Organics
+  LM: LeMar
+  LS: La Selva
+  La: Lahmann
+  Lb: Lebensbaum
+  Le: Leuchtenberg Sauerkrautfabrik
+  Lh: Lindenhof
+  Li: Lima Belgien
+  Lk: Landkrone
+  Ln: Land in Sicht
+  Ls: Lubs GmbH
+  Lu: Luvos Heilerde
+  Lw: Gärtnerei Löwenzahn
+  MA: Mack
+  MB: Mabutake
+  ME: Martin Evers
+  MH: Märkische Heide
+  MI: Martin Ibele
+  MII: Katal. Olivenöl
+  ML: Märkisches Landbrot
+  MM: Bioland Imkerei
+  MT: Maintal
+  MV: MegaVega Limited
+  MY: Mayka Brezel
+  Ma: Marschland
+  Mg: MIDGARD
+  Mh: Melchhof
+  Mn: Mosna
+  Mo: Mosaikwerkstätten
+  My: MAYKA, Brezelfabrik
+  Mü: Hofmolkerei GmbH Münchehofe
+  MÖ: Märkischer Ökovertrieb
+  NE: Natürlich Eistert
+  NM: 
+  NO: Nürnberger Bio Originale
+  NQ: Pineo Wasser
+  Na: NATURATA
+  Nt: Natumi
+  OTC: OTC
+  Od: ODIN Holland
+  PB: Peter Bentele
+  PG: Pilzgarten
+  PH: Biopilzhof
+  PM: Pinkus Müller
+  PN: Pro Natura
+  Pi: Piding
+  Pt: Port International
+  QB: Panettoncino
+  RB: Rother Bräu
+  RP: Rheinsberger Preussenquelle
+  RS: rosmarin BIOBACK
+  RZ: Ranch Zempow
+  Ra: Raab
+  Rb: Rabenhorst
+  Re: Rebgarten
+  Rg: Rosengarten
+  Rh: Rotenhäusler
+  Ro: Geflügelhof Robert
+  RoL: Robert´s LOSE
+  Rt: Rottstock
+  Rö: Römerquelle
+  SB: Sabines Bauernhof
+  SBP: Stiftelsen Bananen
+  SC: Sommer & Co.
+  SF: Sprossen
+  SH: Spreewälder Hirse
+  SI: SINFO
+  SK: Spargelhof Kreienbaum
+  SL: St. Leonhardsquelle
+  SM: Seenlan Müritz
+  SO: Sonett
+  SR: Sprossenmanufaktur GbR
+  STN: Sonnentor
+  SV: SANTAVERDE ALOE VERA
+  Sa: Salamita
+  Sb: Hans Hermann Soetbeer
+  Sc: Schulz-Deetz
+  Sch: Hof Schütte
+  Sd: Savid
+  Se: Sekem, Ägypten
+  Sf: Sauerkonservenfabrik Schweizer
+  Sh: Kombucha
+  Si: Land in Sicht
+  Sk: Schock       Ludwigsburg
+  Sm: Schramm
+  So: Sophienhof
+  Sp: Spielberger
+  Sr: Sanmar
+  St: Steck Senf
+  StB: Stralsunder Brauerei
+  Su: Sun,Backwaren aus Norwegen
+  Sv: Sunval demeter-Produkte
+  Sw: Szilleweit
+  Sy: Synanon
+  Sz: Schrozberg
+  Sü: Südasien
+  TB: Team Blue
+  TF: Terra Frischdienst
+  TN: Tofu Nagel
+  TR: Teltower Rübchen
+  Ta: Tarpa
+  Te: Teutoburger Ölmühle
+  Ti: Tiedemann
+  Tm: Tillmann
+  Tr: tri d´Aix
+  Tt: Tautropfen
+  Tö: Töpfer Rohrzucker
+  UK: Udo Kolm Bananen
+  UL: Gärtnerei Ulenburg
+  UV: Uni-Vert
+  Ul: Ulenburg Bioland Gemüse
+  VA: Kleingenossenschaft VENUSTA
+  VD: V & D
+  VE: Vega e.K.
+  VG: Biolog. Vollwertgetränke
+  VT: Vogt
+  VV: Vallé Käse
+  Vi: Viana Tofu
+  VlV: Vivo Lo Vin
+  Vo: Voelkel
+  WB: Weber
+  WD: Werder Feinkost GmbH
+  WH: Weide-Hardebek
+  WK: BioCompany Kaffee
+  WL: Wendland Storchenmilch
+  WP: Plosewasser
+  WR: Speickwerke
+  WS: Weingut Sander
+  Wa: Watzkendorf
+  We: Wendts
+  Wh: Molkerei Weißenhorn
+  Wz: Werz       Heidenheim
+  ZA: Bio-Center Zann
+  ZF: Obsthof zum Felde
+  ZG: Zwergenwiese
+  ZI: Biolandhof Zielke
+  ZK: Ziegenkäserei Karolinenhof
+  ZP: Bioland Ranch Zempow
+  ZW: Zellertaler Wein
+  bF: bio Frische
+  bi: biosanica
+  dB: ÖMA-d`Beers, Kisslegg im Algäu
+  eu: felicia
+  fa: familia Müsli
+  ha: Hawlik
+  vL: v.d.Linden
+  öG: Öko-Gartenbau
+  öh: ökohum Blumenerde
+  ÖL: Öko-Line
+  ÖS: Ölmühle Solling

plugins/article_import/lib/foodsoft_article_import/odin.rb

@@ -0,0 +1,85 @@
+# frozen_string_literal: true
+
+# Article import for De Nieuw Band XML file
+#
+# Always contains full assortment, including recently outlisted articles.
+# To make sure we don't keep old articles when a number of updates was missed,
+# +OUTLIST+ is set to +true+ to remove articles not present in the file.
+#
+require 'nokogiri'
+
+module FoodsoftArticleImport
+  class Odin
+    NAME = 'De Nieuwe Band (XML)'
+    OUTLIST = true
+    OPTIONS = {}.freeze
+
+    # parses a string or file
+    def self.parse(file, custom_file_path: nil, **_opts)
+      custom_file_path ||= nil
+      xml = File.open(file)
+      doc = Nokogiri.XML(xml, nil, nil,
+                         Nokogiri::XML::ParseOptions::RECOVER +
+                         Nokogiri::XML::ParseOptions::NONET +
+                         Nokogiri::XML::ParseOptions::COMPACT) # do not modify doc!
+      load_codes(custom_file_path)
+      doc.search('product').each.with_index(1) do |row, i|
+        # create a new article
+        unit = row.search('eenheid').text
+        unit = case unit.strip
+               when '' then 'st'
+               when 'stuk' then 'st'
+               when 'g'    then 'gr' # need at least 2 chars
+               when 'l'    then 'ltr'
+               else             unit
+               end
+        inhoud = row.search('inhoud').text
+        inhoud.to_s.strip.empty? or (inhoud.to_f - 1).abs > 1e-3 and unit = inhoud.gsub(/\.0+\s*$/, '') + unit
+        deposit = row.search('statiegeld').text
+        deposit.to_s.strip.empty? and deposit = 0
+        category = [
+          @@codes[:indeling][row.search('indeling').text.to_i],
+          @@codes[:indeling][row.search('subindeling').text.to_i]
+        ].compact.join(' - ')
+
+        status = row.search('status').text == 'Actief' ? nil : :outlisted
+        article = {}
+        unless row.search('bestelnummer').text == ''
+          article = { order_number: row.search('bestelnummer').text,
+                      # :ean => row.search('eancode').text,
+                      name: row.search('omschrijving').text,
+                      note: row.search('kwaliteit').text,
+                      manufacturer: row.search('merk').text,
+                      origin: row.search('herkomst').text,
+                      unit: unit,
+                      price: row.search('prijs inkoopprijs').text,
+                      unit_quantity: row.search('sve').text,
+                      tax: row.search('btw').text,
+                      deposit: deposit,
+                      article_category: category }
+        end
+        yield article, status, i
+      end
+    end
+
+    @@codes = {}
+
+    def self.load_codes(custom_file_path = nil)
+      @gem_lib = File.expand_path '..', __dir__
+      dir = File.join @gem_lib, 'foodsoft_article_import'
+      begin
+        @@codes = YAML.safe_load(File.open(File.join(dir, 'dnb_codes.yml'))).symbolize_keys
+        if custom_file_path
+          custom_codes = YAML.safe_load(File.open(custom_file_path)).symbolize_keys
+          custom_codes.each_key do |key|
+            custom_codes[key] = custom_codes[key].merge @@codes[key] if @@codes.keys.include?(key)
+            @@codes = @@codes.merge custom_codes
+          end
+        end
+        @@codes
+      rescue StandardError => e
+        raise "Failed to load dnb_codes: #{dir}/dnb_codes.yml: #{e.message}"
+      end
+    end
+  end
+end

plugins/article_import/lib/foodsoft_article_import/version.rb

@@ -0,0 +1,3 @@
+module FoodsoftArticleImport
+  VERSION = "0.0.1"
+end