Module: ActiveAdmin::Resource::Attributes

Included in:
ActiveAdmin::Resource
Defined in:
lib/active_admin/resource/attributes.rb

Instance Method Summary collapse

Instance Method Details

#counter_cache_col?(c) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_admin/resource/attributes.rb', line 39

def counter_cache_col?(c)
  # This helper is called inside a loop. Let's memoize the result.
  @counter_cache_columns ||= begin
    resource_class.reflect_on_all_associations(:has_many)
                  .select(&:has_cached_counter?)
                  .map(&:counter_cache_column)
  end

  @counter_cache_columns.include?(c.name)
end

#default_attributes ⇒ Object 



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# File 'lib/active_admin/resource/attributes.rb', line 7

def default_attributes
  resource_class.columns.each_with_object({}) do |c, attrs|
    unless reject_col?(c)
      name = c.name.to_sym
      attrs[name] = (method_for_column(name) || name)
    end
  end
end

#filtered_col?(c) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_admin/resource/attributes.rb', line 50

def filtered_col?(c)
  ActiveAdmin.application.filter_attributes.include?(c.name.to_sym)
end

#foreign_methods ⇒ Object 



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# File 'lib/active_admin/resource/attributes.rb', line 20

def foreign_methods
  @foreign_methods ||= resource_class.reflect_on_all_associations.
    select { |r| r.macro == :belongs_to }.
    reject { |r| r.chain.length > 2 && !r.options[:polymorphic] }.
    index_by { |r| r.foreign_key.to_sym }
end

#method_for_column(c) ⇒ Object 



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# File 'lib/active_admin/resource/attributes.rb', line 16

def method_for_column(c)
  resource_class.respond_to?(:reflect_on_all_associations) && foreign_methods.has_key?(c) && foreign_methods[c].name.to_sym
end

#primary_col?(c) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_admin/resource/attributes.rb', line 31

def primary_col?(c)
  c.name == resource_class.primary_key
end

#reject_col?(c) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_admin/resource/attributes.rb', line 27

def reject_col?(c)
  primary_col?(c) || sti_col?(c) || counter_cache_col?(c) || filtered_col?(c)
end

#sti_col?(c) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_admin/resource/attributes.rb', line 35

def sti_col?(c)
  c.name == resource_class.inheritance_column
end