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119 lines
3.3 KiB
119 lines
3.3 KiB
require "csv" |
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class BulkUpload::Lettings::Year2023::CsvParser |
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include CollectionTimeHelper |
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FIELDS = 134 |
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MAX_COLUMNS = 142 |
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FORM_YEAR = 2023 |
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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".."EL").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::Lettings::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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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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def too_many_columns? |
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return if with_headers? |
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max_columns_count = body_rows.map(&:size).max - col_offset |
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max_columns_count > MAX_COLUMNS |
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end |
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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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def missing_required_headers? |
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false |
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end |
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private |
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def default_field_numbers |
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[5, nil, nil, 15, 16, nil, 13, 40, 41, 42, 43, 46, 52, 56, 60, 64, 68, 72, 76, 47, 53, 57, 61, 65, 69, 73, 77, 51, 55, 59, 63, 67, 71, 75, 50, 54, 58, 62, 66, 70, 74, 78, 48, 49, 79, 81, 82, 123, 124, 122, 120, 102, 103, nil, 83, 84, 85, 86, 87, 88, 104, 109, 107, 108, 106, 100, 101, 105, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 126, 128, 129, 130, 131, 132, 127, 125, 133, 134, 33, 34, 35, 36, 37, 38, nil, 7, 8, 9, 28, 14, 32, 29, 30, 31, 26, 27, 25, 23, 24, nil, 1, 3, 2, 80, nil, 121, 44, 89, 98, 92, 95, 90, 91, 93, 94, 97, 96, 99, 10, 11, 12, 45, 39, 6, 4, 17, 18, 19, 20, 21, 22].map { |h| h.present? && h.to_s.match?(/^[0-9]+$/) ? "field_#{h}" : "field_blank" } |
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end |
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def field_numbers |
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@field_numbers ||= if with_headers? |
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rows[row_offset - 1][col_offset..].map { |h| h.present? && h.match?(/^[0-9]+$/) ? "field_#{h}" : "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 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.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_9.to_s.strip.length.between?(1, 2) ? row_parsers.first.field_9.to_i + 2000 : row_parsers.first.field_9.to_i |
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Date.new(year, row_parsers.first.field_8.to_i, row_parsers.first.field_7.to_i) |
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else |
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year = rows.first[97].to_s.strip.length.between?(1, 2) ? rows.first[97].to_i + 2000 : rows.first[97].to_i |
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Date.new(year, rows.first[96].to_i, rows.first[95].to_i) |
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end |
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end |
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end
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