Class: CSVStepImporter::File

Inherits:
Node
  • Object
show all
Defined in:
lib/csv_step_importer/file.rb

Defined Under Namespace

Classes: CSVFileNotFoundError

Instance Attribute Summary collapse

Attributes inherited from Node

#children, #env, #parent

Instance Method Summary collapse

Methods inherited from Node

#add_children, #build_env, #create_or_update, #run_validations!, #validate_children

Methods inherited from Base

#ancestors, #assign_attributes, #create_or_update, #inspect, #persisted?, #save, #save!, set, #to_s, #update

Constructor Details

#initialize(path:, chunk_class: CSVStepImporter::Chunk, row_class: CSVStepImporter::Row, csv_options: {}, processor_classes: nil, **attributes) ⇒ File

Returns a new instance of File.



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# File 'lib/csv_step_importer/file.rb', line 17

def initialize(path:, chunk_class: CSVStepImporter::Chunk, row_class: CSVStepImporter::Row, csv_options: {}, processor_classes: nil, **attributes)
  super **attributes

  self.chunk_class = chunk_class
  self.path = path
  self.row_class = row_class
  self.processor_classes = processor_classes

  self.csv_options = csv_options
  precompile_csv_options!

  load_csv
end

Instance Attribute Details

#chunk_class ⇒ Object

Returns the value of attribute chunk_class.



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# File 'lib/csv_step_importer/file.rb', line 9

def chunk_class
  @chunk_class
end

#csv_load_error ⇒ Object

Returns the value of attribute csv_load_error.



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# File 'lib/csv_step_importer/file.rb', line 9

def csv_load_error
  @csv_load_error
end

#csv_options ⇒ Object

Returns the value of attribute csv_options.



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# File 'lib/csv_step_importer/file.rb', line 9

def csv_options
  @csv_options
end

#headers ⇒ Object

Returns the value of attribute headers.



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# File 'lib/csv_step_importer/file.rb', line 9

def headers
  @headers
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/csv_step_importer/file.rb', line 9

def path
  @path
end

#processor_classes ⇒ Object

Returns the value of attribute processor_classes.



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# File 'lib/csv_step_importer/file.rb', line 9

def processor_classes
  @processor_classes
end

#row_class ⇒ Object

Returns the value of attribute row_class.



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# File 'lib/csv_step_importer/file.rb', line 9

def row_class
  @row_class
end

Instance Method Details

#load_csv ⇒ Object 



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# File 'lib/csv_step_importer/file.rb', line 31

def load_csv
  raise CSVFileNotFoundError.new unless ::File.exists? path

  first_row = 2

  ::SmarterCSV.process(path, **csv_options) do |rows|
    add_children chunk_class.new(
      first_row: first_row,
      parent: self,
      processor_classes: processor_classes,
      row_class: row_class,
      rows: rows,
    )
    first_row += rows.size
  end
rescue CSVFileNotFoundError => exception
  # File not found
  self.csv_load_error = exception
rescue ::ArgumentError => exception
  # expected encoding UTF-8, but was Excel
  self.csv_load_error = exception
rescue ::CSV::MalformedCSVError => exception
  # CSV malformed
  self.csv_load_error = exception
rescue ::Encoding::InvalidByteSequenceError => exception
  # expected encoding CP932, but was excel file
  self.csv_load_error = exception
rescue ::EOFError => exception
  # empty file
  self.csv_load_error = exception
end

#validate_csv_load_error ⇒ Object 



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# File 'lib/csv_step_importer/file.rb', line 63

def validate_csv_load_error
  return unless csv_load_error
  errors[:csv_file] << I18n.t("csv_step_importer.errors.#{csv_load_error.class.name.underscore.gsub(/\//, '_')}")
end