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							121 lines
						
					
					
						
							3.2 KiB
						
					
					
				
			
		
		
	
	
							121 lines
						
					
					
						
							3.2 KiB
						
					
					
				require "csv" | 
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class BulkUpload::Sales::Year2023::CsvParser | 
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  include CollectionTimeHelper | 
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  MAX_COLUMNS = 142 | 
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  FIELDS = 135 | 
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  FORM_YEAR = 2023 | 
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 | 
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  attr_reader :path | 
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 | 
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  def initialize(path:) | 
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    @path = path | 
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  end | 
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 | 
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  def row_offset | 
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    if with_headers? | 
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      rows.find_index { |row| row[0].match(/field number/i) } + 1 | 
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    else | 
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      0 | 
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    end | 
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  end | 
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 | 
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  def col_offset | 
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    with_headers? ? 1 : 0 | 
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  end | 
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 | 
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  def cols | 
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    @cols ||= ("A".."EK").to_a | 
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  end | 
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  def row_parsers | 
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    @row_parsers ||= body_rows.map do |row| | 
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      stripped_row = row[col_offset..] | 
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      hash = Hash[field_numbers.zip(stripped_row)] | 
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      BulkUpload::Sales::Year2023::RowParser.new(hash) | 
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    end | 
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  end | 
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 | 
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  def body_rows | 
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    rows[row_offset..] | 
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  end | 
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  def rows | 
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    @rows ||= CSV.parse(normalised_string, row_sep:) | 
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  end | 
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  def column_for_field(field) | 
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    cols[field_numbers.find_index(field) + col_offset] | 
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  end | 
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 | 
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  def wrong_template_for_year? | 
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    collection_start_year_for_date(first_record_start_date) != FORM_YEAR | 
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  rescue Date::Error | 
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    false | 
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  end | 
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 | 
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  def missing_required_headers? | 
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    false | 
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  end | 
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  def correct_field_count? | 
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    valid_field_numbers_count = field_numbers.count { |f| f != "field_blank" } | 
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    valid_field_numbers_count == FIELDS | 
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  end | 
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private | 
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  def default_field_numbers | 
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    [6, 3, 4, 5, nil, 28, 30, 38, 47, 51, 55, 59, 31, 39, 48, 52, 56, 60, 37, 46, 50, 54, 58, 35, 43, 49, 53, 57, 61, 32, 33, 78, 80, 79, 81, 83, 84, nil, 62, 66, 64, 65, 63, 67, 69, 70, 68, 76, 77, 16, 17, 18, 26, 24, 25, 27, 8, 91, 95, 96, 97, 92, 93, 94, 98, 100, 101, 103, 104, 106, 110, 111, 112, 113, 114, 9, 116, 117, 118, 120, 124, 125, 126, 10, 11, nil, 127, 129, 133, 134, 135, 1, 2, nil, 73, nil, 75, 107, 108, 121, 122, 130, 131, 82, 109, 123, 132, 115, 15, 86, 87, 29, 7, 12, 13, 14, 36, 44, 45, 88, 89, 102, 105, 119, 128, 19, 20, 21, 22, 23, 34, 40, 41, 42, 71, 72, 74, 85, 90, 99].map do |number| | 
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      if number.to_s.match?(/^[0-9]+$/) | 
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        "field_#{number}" | 
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      else | 
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        "field_blank" | 
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      end | 
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    end | 
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  end | 
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  def field_numbers | 
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    @field_numbers ||= if with_headers? | 
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                         rows[row_offset - 1][col_offset..].map { |number| number.to_s.match?(/^[0-9]+$/) ? "field_#{number}" : "field_blank" } | 
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                       else | 
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                         default_field_numbers | 
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                       end | 
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  end | 
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  def headers | 
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    @headers ||= ("field_1".."field_135").to_a | 
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  end | 
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 | 
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  def with_headers? | 
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    rows.map { |r| r[0] }.any? { |cell| cell&.match?(/field number/i) } | 
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  end | 
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 | 
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  def row_sep | 
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    "\n" | 
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  end | 
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 | 
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  def normalised_string | 
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    return @normalised_string if @normalised_string | 
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 | 
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    @normalised_string = File.read(path, encoding: "bom|utf-8") | 
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    @normalised_string.gsub!("\r\n", "\n") | 
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    @normalised_string.scrub!("") | 
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    @normalised_string.tr!("\r", "\n") | 
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    @normalised_string | 
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  end | 
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  def first_record_start_date | 
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    if with_headers? | 
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      year = row_parsers.first.field_5.to_s.strip.length.between?(1, 2) ? row_parsers.first.field_5.to_i + 2000 : row_parsers.first.field_5.to_i | 
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      Date.new(year, row_parsers.first.field_4.to_i, row_parsers.first.field_3.to_i) | 
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    else | 
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      year = rows.first[3].to_s.strip.length.between?(1, 2) ? rows.first[3].to_i + 2000 : rows.first[3].to_i | 
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      Date.new(year, rows.first[2].to_i, rows.first[1].to_i) | 
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    end | 
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  end | 
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end
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