Class: CSVImporter::Header

Inherits:
Object
  • Object
show all
Defined in:
lib/csv_importer/header.rb

Overview

The CSV Header

Instance Method Summary collapse

Instance Method Details

#column_name_for_model_attribute(attribute) ⇒ Object 



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# File 'lib/csv_importer/header.rb', line 19

def column_name_for_model_attribute(attribute)
  if column = columns.find { |column| column.definition.attribute == attribute if column.definition }
    column.name
  end
end

#columns ⇒ Object 



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# File 'lib/csv_importer/header.rb', line 10

def columns
  column_names.map do |column_name|
    Column.new(
      name: column_name,
      definition: find_column_definition(column_name)
    )
  end
end

#extra_columns ⇒ Object

Returns Array



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# File 'lib/csv_importer/header.rb', line 35

def extra_columns
  columns.reject(&:definition).map(&:name).map(&:to_s)
end

#missing_columns ⇒ Object

Returns Array



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# File 'lib/csv_importer/header.rb', line 45

def missing_columns
  (column_definitions - columns.map(&:definition)).map(&:name).map(&:to_s)
end

#missing_required_columns ⇒ Object

Returns Array



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# File 'lib/csv_importer/header.rb', line 40

def missing_required_columns
  (column_definitions.select(&:required?) - columns.map(&:definition)).map(&:name).map(&:to_s)
end

#required_columns ⇒ Object

Returns Array



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# File 'lib/csv_importer/header.rb', line 30

def required_columns
  column_definitions.select(&:required?).map(&:name)
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/csv_importer/header.rb', line 25

def valid?
  missing_required_columns.empty?
end