Class: Eco::API::UseCases::Default::Utils::SplitCsv

Inherits:
Common::Loaders::UseCase show all
Defined in:
lib/eco/api/usecases/default/utils/split_csv_case.rb,
lib/eco/api/usecases/default/utils/cli/split_csv_cli.rb

Defined Under Namespace

Classes: Cli

Constant Summary collapse

MAX_ROWS = 
15_000

Instance Attribute Summary

Attributes included from Language::AuxiliarLogger

#logger

Instance Method Summary collapse

Methods inherited from Common::Loaders::UseCase

#cli_apply!, #initialize

Methods included from Common::Loaders::UseCase::CliIdentify

#cli, #cli!

Methods included from Common::Loaders::UseCase::TargetModel

#target_model

Methods included from Common::Loaders::UseCase::Type

#type

Methods inherited from Common::Loaders::CaseBase

#name, name_only_once!, original_name

Methods inherited from Common::Loaders::Base

<=>, created_at, #initialize, set_created_at!

Methods included from Language::Klass::InheritableClassVars

#inheritable_attrs, #inheritable_class_vars, #inherited

Methods included from Language::Klass::Naming

#instance_variable_name, #to_constant

Methods included from Language::Klass::Hierarchy

#descendants, #descendants?

Methods included from Language::Klass::Builder

#new_class

Methods included from Language::Klass::Uid

#uid

Methods included from Language::Klass::Resolver

#class_resolver, #resolve_class

Methods included from Language::Klass::Const

#if_const, #redef_without_warning

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/split_csv_case.rb', line 9

def main(*_args)
  if simulate?
    count = Eco::CSV.count(input_file, start_at: start_at)
    log(:info) { "CSV '#{input_file}' has #{count} rows." }
  else
    Eco::CSV.split(
      input_file,
      max_rows: max_rows,
      start_at: start_at,
      &filter
    ).tap do |split|
      msg  = []
      msg << "Total rows copied: #{split.copy_count} (out of #{split.total_count})"
      msg << 'Generated files:'
      split.out_files.each do |file|
        msg << "  * #{file}'"
      end

      log(:info) { msg.join("\n") }
    end
  end
end