Ruby Critic

Updated 2016-02-14 20:39:02 +0000

db/migrate / 20160214133749_cleanup_country_columns.rb

26 lines of codes

2 methods

5.0 complexity/method

1 churn

9.98 complexity

0 duplications

code
1 smell

class CleanupCountryColumns < ActiveRecord::Migration                                        IrresponsibleModule              
      CleanupCountryColumns has no descriptive comment          
  
  def up
    # This migration commands have guard clauses because the preview
    # website executed a migration that was subsequently deleted
    # because of performance problems with it. Therefore to ensure
    # that the runs successfully on preview it needs these clauses.

    if index_exists?(:country_petition_journals, [:petition_id, :country])
      remove_index :country_petition_journals, [:petition_id, :country]
    end

    if column_exists?(:country_petition_journals, :country)
      remove_column :country_petition_journals, :country
    end

    if column_exists?(:signatures, :country)
      remove_column :signatures, :country
    end
  end

  def down
    add_column :signatures, :country, :string
    add_column :country_petition_journals, :country, :string
    add_index :country_petition_journals, [:petition_id, :country], unique: true
  end
end