Class: CdmMigrator::CsvChecker

Inherits:
Object
  • Object
show all
Defined in:
app/models/cdm_migrator/csv_checker.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CsvChecker

Returns a new instance of CsvChecker.



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# File 'app/models/cdm_migrator/csv_checker.rb', line 4

def initialize
  load_config
end

Instance Method Details

#check_csv(csv, multi_value_separator = "|") ⇒ Hash

@param - the path to the CSV

Returns:

  • (Hash) —

    • where hash is a list of errors found in the csv,

    and hash are warnings to display to the user



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# File 'app/models/cdm_migrator/csv_checker.rb', line 11

def check_csv(csv, multi_value_separator = "|")
  @csv = csv
  row_number = 1

  results = {}
  @error_list = {}
  @alerts = []

  check_mounted_drive if @path_to_drive.present?
  
  CSV.foreach(csv, headers: true, header_converters: :symbol) do |row|
    row_number +=1 # Tells user what CSV row the error is on
    if row[:object_type].try(:include?, "Work")
      check_dates(row_number, row) if @date_fields.present?
      check_uris(row_number, row) if @uri_fields.present?
      if @separator_fields.present?
        check_multi_val_fields(row_number, row, multi_value_separator)
      else
        alert_message = "No multi-value separator character was selected or no fields were configured. CSV Checker didn't check for valid separators."
        if @alerts.exclude?(alert_message) # Only add this message once, rather than per line
         @alerts << alert_message
        end
      end
    elsif row[:object_type] == "File"
      check_file_path(row_number, row[:url])
      check_transcript_length(row_number, row[:transcript]) if row[:transcript].present?
      check_file_size(row_number, row[:url])
    else
      @error_list[row_number] = { "object_type" => "No or unknown object type. Please give a valid type (e.g. GenericWork, File)." }
      @error_list = @error_list.delete_if { |_, value| value.blank? } # Data are valid, no need to print the row
    end
  end
  results['errors'] = @error_list
  results['alerts'] = @alerts
  results
end