75 lines
1.7 KiB
Ruby
75 lines
1.7 KiB
Ruby
module ImportScripts
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module CsvHelper
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class RowResolver
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def load(row)
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@row = row
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end
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def self.create(cols)
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Class.new(RowResolver).new(cols)
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end
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def initialize(cols)
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cols.each_with_index do |col,idx|
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self.class.send(:define_method, col.downcase.gsub(/[\W]/, '_').squeeze('_')) do
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@row[idx]
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end
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end
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end
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end
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def csv_parse(filename, col_sep = ',')
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first = true
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row = nil
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current_row = ""
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double_quote_count = 0
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File.open(filename).each_line do |line|
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line.strip!
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current_row << "\n" unless current_row.empty?
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current_row << line
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double_quote_count += line.scan('"').count
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next if double_quote_count % 2 == 1 # this row continues on a new line. don't parse until we have the whole row.
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raw = begin
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CSV.parse(current_row, col_sep: col_sep)
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rescue CSV::MalformedCSVError => e
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puts e.message
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puts "*" * 100
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puts "Bad row skipped, line is: #{line}"
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puts
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puts current_row
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puts
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puts "double quote count is : #{double_quote_count}"
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puts "*" * 100
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current_row = ""
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double_quote_count = 0
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next
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end[0]
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if first
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row = RowResolver.create(raw)
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current_row = ""
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double_quote_count = 0
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first = false
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next
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end
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row.load(raw)
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yield row
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current_row = ""
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double_quote_count = 0
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end
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end
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end
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end |