Module: KakurenboPuti::ActiveRecordBase::Initializers

Defined in:
lib/kakurenbo_puti/active_record_base.rb

Class Method Summary collapse

Class Method Details

.create_callbacks(target_class) ⇒ Object

Create callbacks.

Parameters:

  • target_class (Class) —

    Class of target.



20
21
22
23
24
25
 
# File 'lib/kakurenbo_puti/active_record_base.rb', line 20

def self.create_callbacks(target_class)
  target_class.class_eval do
    define_model_callbacks :restore
    define_model_callbacks :soft_destroy
  end
end

.create_column_name_accessors(target_class, column) ⇒ Object

Create attribute_accessors of column_name.

Parameters:

  • target_class (Class) —

    Class of target.

  • column (Symbol) —

    Name of column.



30
31
32
33
34
35
 
# File 'lib/kakurenbo_puti/active_record_base.rb', line 30

def self.create_column_name_accessors(target_class, column)
  target_class.class_eval do
    define_singleton_method(:soft_delete_column) { column }
    delegate :soft_delete_column, to: :class
  end
end

.create_scopes(target_class, dependent_associations) ⇒ Object

Create scopes.

Parameters:

  • target_class (Class) —

    Class of target.

  • dependent_associations (Array<Symbol>) —

    Names of dependency association.



40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
 
# File 'lib/kakurenbo_puti/active_record_base.rb', line 40

def self.create_scopes(target_class, dependent_associations)
  target_class.class_eval do
    scope :only_soft_destroyed, -> { where.not(id: without_soft_destroyed.select(:id)) }
    scope :without_soft_destroyed, (lambda do
      dependent_associations.inject(where(soft_delete_column => nil)) do |relation, name|
        association = relation.klass.reflect_on_all_associations.find{|a| a.name == name }
        if association.klass.method_defined?(:soft_delete_column)
          relation.joins(name).merge(association.klass.without_soft_destroyed).references(name)
        else
          relation.joins(name).references(name)
        end
      end
    end)
  end
end