Module: CsvRowModel::Import::FileModel

Extended by:
ActiveSupport::Concern
Defined in:
lib/csv_row_model/import/file_model.rb

Class Method Summary collapse

Class Method Details

.header_matchers ⇒ Array

Returns header_matchs matchers for the row model.

Returns:

  • (Array) —

    header_matchs matchers for the row model



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# File 'lib/csv_row_model/import/file_model.rb', line 22

def header_matchers
  @header_matchers ||= begin
    columns.map do |name, options|
      matchers = options[:header_matchs] || [name.to_s]
      Regexp.new(matchers.join('|'),Regexp::IGNORECASE)
    end
  end
end

.index_header_match(cell) ⇒ Integer

Safe to override

Parameters:

  • cell (String) —

    the cell's string

Returns:

  • (Integer) —

    returns index of the header_match that cell match



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# File 'lib/csv_row_model/import/file_model.rb', line 14

def index_header_match(cell)
  match = header_matchers.each_with_index.select do |matcher, index|
    cell.match(matcher)
  end.first
  match ? match[1] : nil
end

.next(csv, source_header, context = {}, previous = nil) ⇒ Object 



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# File 'lib/csv_row_model/import/file_model.rb', line 31

def next(csv, source_header, context={}, previous=nil)
  return csv.read_row unless csv.next_row

  source_row = Array.new(header_matchers.size)

  while csv.next_row
    current_row = csv.read_row
    current_row.each_with_index do |cell, position|
      next if cell.blank?
      index = index_header_match(cell)
      next unless index
      source_row[index] = current_row[position + 1]
      break
    end
  end

  new(source_row, source_header: source_header, context: context, previous: previous)
end