91 lines
2.7 KiB
Ruby
91 lines
2.7 KiB
Ruby
# -*- coding: utf-8 -*-
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require 'csv'
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require 'yaml'
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# Module for translation and parsing of BNN-files (www.n-bnn.de)
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#
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module ArticleImport::Bnn
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private
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@@codes = Hash.new
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@@midgard = Hash.new
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# Loads the codes_file config/bnn_codes.yml into the class variable @@codes
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def self.load_codes
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dir = Rails.root.join("app", "lib", "article_import")
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begin
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@@codes = YAML::load(File.open(dir.join("bnn_codes.yml"))).symbolize_keys
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@@midgard = YAML::load(File.open(dir.join("midgard_codes.yml"))).symbolize_keys
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rescue => e
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raise "Failed to load bnn_codes: #{dir}/{bnn,midgard}_codes.yml: #{e.message}"
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end
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end
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public
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$missing_bnn_codes = Array.new
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# translates codes from BNN to foodsoft-code
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def self.translate(key, value)
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if @@codes[key][value]
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return @@codes[key][value]
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elsif @@midgard[key]
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return @@midgard[key][value]
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elsif value != nil
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$missing_bnn_codes << value
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return nil
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end
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end
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NAME = "BNN (CSV)"
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OUTLIST = false
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OPTIONS = {
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encoding: "IBM850",
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col_sep: ";"
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}.freeze
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# parses a bnn-file
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def self.parse(file, **opts)
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encoding = opts[:encoding] || OPTIONS[:encoding]
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col_sep = opts[:col_sep] || OPTIONS[:col_sep]
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CSV.foreach(file, {col_sep: col_sep, encoding: encoding, headers: true}) do |row|
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# check if the line is empty
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unless row[0] == "" || row[0].nil?
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article = {
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:name => row[6],
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:number => row[0],
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:note => row[7],
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:manufacturer => self.translate(:manufacturer, row[10]),
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:origin => row[12],
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:category => self.translate(:category, row[16]),
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:unit => row[23],
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:price => row[37],
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:tax => self.translate(:tax, row[33]),
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:unit_quantity => row[22]
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}
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# TODO: Complete deposit list....
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article.merge!(:deposit => self.translate(:deposit, row[26])) if self.translate(:deposit, row[26])
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# get scale prices if exists
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article.merge!(:scale_quantity => row[40], :scale_price => row[41]) unless row[40].nil? or row[41].nil?
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if row[62] != nil
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# consider special prices
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article[:note] = "Sonderpreis: #{article[:price]} von #{row[62]} bis #{row[63]}"
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yield article, :special
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# Check now for article status, we only consider outlisted articles right now
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# N=neu, A=Änderung, X=ausgelistet, R=Restbestand,
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# V=vorübergehend ausgelistet, W=wiedergelistet
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elsif row[1] == "X" || row[1] == "V"
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yield article, :outlisted
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else
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yield article, nil
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end
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end
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end
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end
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end
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# Automatically load codes:
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ArticleImport::Bnn.load_codes
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