Class: Eco::API::UseCases::Default::Utils::GroupCsv

Inherits:
Custom::UseCase show all
Defined in:
lib/eco/api/usecases/default/utils/group_csv_case.rb,
lib/eco/api/usecases/default/utils/cli/group_csv_cli.rb

Overview

Note:

you might run first the sort-csv case.

Note:

you must inherit from this case and define the constants.

GROUP_BY_FIELD = 'target_csv_field'.freeze GROUPED_FIELDS = [ 'joined_field_1', 'joined_field_2', 'joined_field_3', ].freeze

This script assumes that for the GROUP_BY_FIELD rows are consecutive.

Defined Under Namespace

Classes: Cli

Instance Attribute Summary

Attributes included from Language::AuxiliarLogger

#logger

Instance Method Summary collapse

Methods inherited from Common::Loaders::UseCase

cli, cli!, #cli_apply!, #initialize, type, #type

Methods inherited from Common::Loaders::CaseBase

#name, name_only_once!

Methods inherited from Common::Loaders::Base

<=>, created_at, #initialize, set_created_at!

Methods included from Common::ClassHelpers

#class_resolver, #descendants, #descendants?, #inheritable_attrs, #inheritable_class_vars, #inherited, #instance_variable_name, #new_class, #resolve_class, #to_constant

Methods included from Language::AuxiliarLogger

#log

Constructor Details

This class inherits a constructor from Eco::API::Common::Loaders::UseCase

Instance Method Details

#main(*_args) ⇒ Object



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# File 'lib/eco/api/usecases/default/utils/group_csv_case.rb', line 18

def main(*_args)
  if simulate?
    count = Eco::CSV.count(input_file)
    log(:info) { "CSV '#{input_file}' has #{count} rows." }
  else
    generate_file
  end
end