Module: SoftDeletion::Setup::ClassMethods

Defined in:
lib/soft_deletion/setup.rb

Instance Method Summary collapse

Instance Method Details

#has_soft_deletion(options = {}) ⇒ Object

When you call this, it will include the core module and its methods

Options:

default_scope, value: true/false If true, it will also define a default scope

It will check if the column “deleted_at” exist before applying default scope



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# File 'lib/soft_deletion/setup.rb', line 17

def has_soft_deletion(options={})
  default_options = {:default_scope => false}

  include SoftDeletion::Core

  options = default_options.merge(options)

  if options[:default_scope]
    conditions = {:deleted_at => nil}
    if ActiveRecord::VERSION::STRING < "3.1"
      # Avoids a bad SQL request with versions of code without the column deleted_at
      # (for example a migration prior to the migration that adds deleted_at)
      if !table_exists?
        warn "#{table_name} table missing, disabling soft_deletion default scope"
      elsif !column_names.include?("deleted_at")
        warn "#{table_name} does not have deleted_at column, disabling soft_deletion default scope"
      else
        default_scope :conditions => conditions
      end
    else
      default_scope { where(conditions) }
    end
  end
end