Class: ActiveRecord::Has::SparseAttributes::TableStorageConfig

Inherits:
StorageConfig
  • Object
show all
Defined in:
lib/active_record/has/sparse_attributes/table_storage.rb

Instance Attribute Summary collapse

Attributes inherited from StorageConfig

#model_class, #serialize_values

Instance Method Summary collapse

Constructor Details

#initialize(klass, options = {}) ⇒ TableStorageConfig

Returns a new instance of TableStorageConfig.



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# File 'lib/active_record/has/sparse_attributes/table_storage.rb', line 9

def initialize(klass, options = {})
  super
  options[:attribute_class_name] ||= 'SparseAttribute'
  options[:id_column] ||= @model_class.model_name.singular.to_s + '_id'
  if !options[:table_name].blank?
    if ActiveRecord::Base.methods.include?(:set_table_name)
      table_name = ('set_table_name "' + options[:table_name] + '";') || ''
    else
      table_name = 'self.table_name = "' + options[:table_name] + '";'
    end
  else
    table_name = ''           
  end
  @id_column = options[:id_column]
  klass.class_eval "class #{options[:attribute_class_name]} < ActiveRecord::Base; #{table_name} validates_presence_of :#{@id_column}, :name; end"
  @attribute_model = eval("klass::#{options[:attribute_class_name]}")
end

Instance Attribute Details

#attribute_model ⇒ Object

Returns the value of attribute attribute_model.



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# File 'lib/active_record/has/sparse_attributes/table_storage.rb', line 6

def attribute_model
  @attribute_model
end

#id_column ⇒ Object

Returns the value of attribute id_column.



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# File 'lib/active_record/has/sparse_attributes/table_storage.rb', line 7

def id_column
  @id_column
end

Instance Method Details

#instance(record) ⇒ Object 



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# File 'lib/active_record/has/sparse_attributes/table_storage.rb', line 27

def instance(record)
  TableStorage.new(record, self)
end