Class: Decidim::Votings::Census::Admin::CreateDataset

Inherits:
Command
  • Object
show all
Includes:
ProcessesFileLocally
Defined in:
app/commands/decidim/votings/census/admin/create_dataset.rb

Overview

A command with the business logic to create census dataset for a voting space.

Instance Method Summary collapse

Constructor Details

#initialize(form, current_user) ⇒ CreateDataset

Returns a new instance of CreateDataset.



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# File 'app/commands/decidim/votings/census/admin/create_dataset.rb', line 15

def initialize(form, current_user)
  @form = form
  @current_user = current_user
  @dataset = nil
end

Instance Method Details

#call ⇒ Object

Executes the command. Broadcast this events:

  • :ok when everything is valid

  • :invalid when the form was not valid and could not proceed-

Returns nothing.



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# File 'app/commands/decidim/votings/census/admin/create_dataset.rb', line 26

def call
  return broadcast(:invalid) unless form.valid?

  process_file_locally(form.file) do |file_path|
    @file_path = file_path
    dataset = create_census_dataset!

    if csv_header_invalid?
      dataset.destroy!
      return broadcast(:invalid_csv_header)
    end

    if dataset
      CSV.foreach(file_path, col_sep: Decidim.default_csv_col_sep, headers: true, converters: ->(f) { f&.strip }) do |row|
        CreateDatumJob.perform_later(current_user, dataset, row.fields)
      end
    end
  end

  broadcast(:ok)
end