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90 lines
2.3 KiB
90 lines
2.3 KiB
require "csv" |
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class BulkUpload::Sales::Year2023::CsvParser |
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MAX_COLUMNS = 142 |
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attr_reader :path |
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def initialize(path:) |
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@path = path |
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end |
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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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def col_offset |
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with_headers? ? 1 : 0 |
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end |
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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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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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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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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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def row_sep |
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"\n" |
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end |
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def normalised_string |
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return @normalised_string if @normalised_string |
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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 |
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end |
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end
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