Class: DataImport::CsvParser

Inherits:
BaseParser
  • Object
show all
Defined in:
app/services/data_import/csv_parser.rb

Overview

Service object: csv parser.

Instance Method Summary collapse

Instance Method Details

#column_names ⇒ Object 



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# File 'app/services/data_import/csv_parser.rb', line 12

def column_names
  first_row = CSV.open(file_path, 'r', &:first)
  if first_row_is_header?
    first_row
  else
    first_row.each_with_index.map { |_x, i| "Column#{i}" }
  end
end

#each_with_index ⇒ Object 



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# File 'app/services/data_import/csv_parser.rb', line 4

def each_with_index
  index = 0
  CSV.foreach(file_path) do |row|
    yield(row, index)
    index += 1
  end
end

#size ⇒ Object 



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# File 'app/services/data_import/csv_parser.rb', line 42

def size
  res = 0
  csv = CSV.open(file_path)
  begin
    res = csv.count
  rescue StandardError
  end
  csv.close
  res
end

#validate ⇒ Object 



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# File 'app/services/data_import/csv_parser.rb', line 21

def validate
  # require 'CsvLint'
  errors = []
  # dialect = {
  # "header" => first_row_is_header?,
  #  "delimiter" => ","
  # }
  # validator = Csvlint::Validator.new( file_path, dialect )
  # validator.validate
  # errors += validator.errors
  # Try a plain csv row count
  csv = CSV.open(file_path)
  begin
    csv.count
  rescue StandardError => e
    errors << e.to_s
  end
  csv.close
  errors
end