Class: ProductFeatureType

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
ErpTechSvcs::Utils::DefaultNestedSetMethods
Defined in:
app/models/product_feature_type.rb

Overview

create_table :product_feature_types do |t|

t.integer :parent_id
t.integer :lft
t.integer :rgt

t.string :description
t.string :internal_identifier
t.string :external_identifier
t.string :external_id

t.timestamps

end

add_index :product_feature_types, :internal_identifier, name: ‘product_ft_types_iid_idx’ add_index :product_feature_types, [:rgt, :lft, :parent_id], name: ‘product_ft_types_nested_set_idx’

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.iid(description) ⇒ Object 



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# File 'app/models/product_feature_type.rb', line 31

def self.iid(description)
  self.where("lower(description) = ?", description.downcase).first
end

.to_all_representation(root = ProductFeatureType.root) ⇒ Object 



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# File 'app/models/product_feature_type.rb', line 53

def self.to_all_representation(root = ProductFeatureType.root)
  # returns an array of hashes which represent all categories in nested set order,
  # each of which consists of the category's id and representation
  container_arr = []
  each_with_level(root.self_and_descendants) do |o, level|
    container_arr << {:id => o.id, :description => o.to_representation}
  end
  container_arr
end

Instance Method Details

#to_record_representation(root = ProductFeatureType.root) ⇒ Object 



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# File 'app/models/product_feature_type.rb', line 35

def to_record_representation(root = ProductFeatureType.root)
  # returns a string of category descriptions like
  # 'main_category > sub_category n > ... > this category instance'
  if root?
    description
  else
    crawl_up_from(self, root).split('///').reverse.join(' > ')
  end
end

#to_representation ⇒ Object 



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# File 'app/models/product_feature_type.rb', line 45

def to_representation
  # returns a string that consists of 1) a number of dashes equal to
  # the category's level and 2) the category's description attr
  rep = ''
  level.times {rep << '- '}
  rep << description
end