foodsoft_article_import/lib/foodsoft_article_import.rb
2023-02-26 13:46:49 +01:00

80 lines
3 KiB
Ruby

# frozen_string_literal: true
require 'digest/sha1'
require 'tempfile'
require 'csv'
require 'yaml'
require 'active_support/core_ext/hash/keys'
require_relative 'foodsoft_article_import/bioromeo'
require_relative 'foodsoft_article_import/bnn'
require_relative 'foodsoft_article_import/utf8_encoder'
require_relative 'foodsoft_article_import/odin'
require_relative 'foodsoft_article_import/foodsoft'
module FoodsoftArticleImport
class ConversionFailedException < StandardError; end
# return list of known file formats
# each file_format module has
# #name return a human-readable file format name
# #outlist_unlisted if returns true, unlisted articles are outlisted
# #detect return a likelyhood (0-1) of being able to process
# #parse parse the data
#
def self.file_formats
@@file_formats ||= {
'bnn' => FoodsoftArticleImport::Bnn,
'foodsoft' => FoodsoftArticleImport::Foodsoft,
'dnb_xml' => FoodsoftArticleImport::Odin,
'odin' => FoodsoftArticleImport::Odin,
'bioromeo' => FoodsoftArticleImport::Bioromeo
}.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, &blk)
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, filename: nil, 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