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31 lines
1.2 KiB
Ruby
31 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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# Provides methods around Excel files specification
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class ExcelService
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class << self
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# remove all unauthorized characters from the given Excel's worksheet name
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# @param name [String]
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# @param replace [String]
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# @return [String]
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def name_safe(name, replace = '-')
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name.gsub(%r{[*|\\:"<>?/]}, replace).truncate(31)
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end
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# Generate a name for the current type, compatible with Excel worksheet names
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# @param type [StatisticType]
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# @param workbook [Axlsx::Workbook]
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# @return [String]
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def statistic_type_sheet_name(type, workbook)
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# see https://msdn.microsoft.com/fr-fr/library/c6bdca6y(v=vs.90).aspx for unauthorized character list
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name = "#{type.statistic_index.label} - #{type.label}".gsub(%r{[*|\\:"<>?/]}, '')
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# sheet name is limited to 31 characters
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if name.length > 31
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name = "#{type.statistic_index.label.truncate(4, omission: '.')} - #{type.label}".gsub(%r{[*|\\:"<>?/]}, '').truncate(31)
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end
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# we cannot have two sheets with the same name
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name = name[0..30] + String((rand * 10).to_i) until workbook.sheet_by_name(name).nil?
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name
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end
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end
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end
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