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69 lines
1.2 KiB
69 lines
1.2 KiB
require "csv" |
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class BulkUpload::Lettings::Year2022::CsvParser |
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MAX_COLUMNS = 136 |
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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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with_headers? ? 5 : 0 |
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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".."EE").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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headers = ("field_1".."field_134").to_a |
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hash = Hash[headers.zip(stripped_row)] |
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BulkUpload::Lettings::Year2022::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[headers.find_index(field) + col_offset] |
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end |
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private |
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def headers |
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@headers ||= ("field_1".."field_134").to_a |
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end |
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def with_headers? |
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rows[0][0]&.match?(/\D+/) |
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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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