Class: Card::Action

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

Constant Summary collapse

TYPE =

replace with enum if we start using rails 4

[:create, :update, :delete].freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.cache ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 26

def cache
  Card::Cache[Action]
end

.delete_cardless ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 36

def delete_cardless
  left_join = 'LEFT JOIN cards ON card_actions.card_id = cards.id'
  joins(left_join).where('cards.id IS NULL').delete_all
end

.delete_changeless ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 41

def delete_changeless
  joins(
    'LEFT JOIN card_changes '\
    'ON card_changes.card_action_id = card_actions.id'
  ).where(
    'card_changes.id IS NULL'
  ).delete_all
end

.delete_old ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 50

def delete_old
  Card.find_each(&:delete_old_actions)
  Card::Act.delete_actionless
end

.fetch(id) ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 30

def fetch id
  cache.fetch id.to_s do
    find id.to_i
  end
end

Instance Method Details

#action_type ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 116

def action_type
  TYPE[read_attribute(:action_type)]
end

#action_type=(value) ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 112

def action_type= value
  write_attribute :action_type, TYPE.index(value)
end

#card ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 151

def card
  Card.fetch card_id, look_in_trash: true, skip_modules: true
end

#cardtype_diff(opts = {}) ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 137

def cardtype_diff opts={}
  return unless new_type?
  Card::Diff.complete previous_value(:cardtype), value(:cardtype), opts
end

#change(field) ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 83

def change field
  changes[interpret_field field]
end

#changes ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 87

def changes
  @changes ||=
    card_changes.each_with_object({}) do |change, hash|
      hash[change.field.to_sym] = change
    end
end

#content_diff(diff_type = :expanded, opts = nil) ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 142

def content_diff diff_type=:expanded, opts=nil
  return unless new_content?
  if diff_type == :summary
    content_diff_object(opts).summary
  else
    content_diff_object(opts).complete
  end
end

#expire ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 19

def expire
  self.class.cache.delete id.to_s
end

#green? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'mod/01_history/lib/card/action.rb', line 128

def green?
  content_diff_object.green?
end

#name_diff(opts = {}) ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 132

def name_diff opts={}
  return unless new_name?
  Card::Diff.complete previous_value(:name), value(:name), opts
end

#new_content? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'mod/01_history/lib/card/action.rb', line 104

def new_content?
  value :db_content
end

#new_name? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'mod/01_history/lib/card/action.rb', line 108

def new_name?
  value :name
end

#new_type? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'mod/01_history/lib/card/action.rb', line 100

def new_type?
  value :type_id
end

#previous_value(field) ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 94

def previous_value field
  return if action_type == :create
  return unless (previous_change = previous_change field)
  interpret_value field, previous_change.value
end

#red? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'mod/01_history/lib/card/action.rb', line 124

def red?
  content_diff_object.red?
end

#revision_nr ⇒ Object 



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# File 'mod/01_history/lib/card/action.rb', line 120

def revision_nr
  card.actions.index_of self
end

#value(field) ⇒ Object

def changed_fields obj, changed_fields

changed_fields.each do |f|
  Card::Change.create field: f, value: obj[f], card_action_id: id
end

end



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# File 'mod/01_history/lib/card/action.rb', line 78

def value field
  return unless (change = change field)
  interpret_value field, change.value
end