Class: Card::Change

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
mod/01_history/lib/card/change.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.delete_actionless ⇒ Object 



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# File 'mod/01_history/lib/card/change.rb', line 7

def delete_actionless
  joins(
    'LEFT JOIN card_actions '\
    'ON card_changes.card_action_id = card_actions.id '
  ).where(
    'card_actions.id is null'
  ).find_in_batches do |group|
    # used to be .delete_all here, but that was failing on large dbs
    puts 'deleting batch of changes'
    where("id in (#{group.map(&:id).join ','})").delete_all
  end
end

.field_index(value) ⇒ Object 



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# File 'mod/01_history/lib/card/change.rb', line 20

def field_index value
  value.is_a?(Integer) ? value : TRACKED_FIELDS.index(value.to_s)
end

.find_by_field_name(value) ⇒ Object 



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# File 'mod/01_history/lib/card/change.rb', line 24

def find_by_field_name value
  find_by_field field_index(value)
end

Instance Method Details

#field ⇒ Object 



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# File 'mod/01_history/lib/card/change.rb', line 33

def field
  TRACKED_FIELDS[read_attribute(:field)]
end

#field=(value) ⇒ Object 



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# File 'mod/01_history/lib/card/change.rb', line 29

def field= value
  write_attribute(:field, TRACKED_FIELDS.index(value.to_s))
end

#find_by_field_name(value) ⇒ Object 



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# File 'mod/01_history/lib/card/change.rb', line 37

def find_by_field_name value
  find_by_field self.class.field_index(value)
end