Class: ArticleCategory

Inherits:
ApplicationRecord show all
Defined in:
app/models/article_category.rb

Overview

Article category

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#articles ⇒ Array<Article>

Returns Articles with this category.

Returns:

  • (Array<Article>) —

    Articles with this category.



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# File 'app/models/article_category.rb', line 10

has_many :articles

#name ⇒ String

Returns Title of the category.

Returns:

  • (String) —

    Title of the category.




# File 'app/models/article_category.rb', line 3

#order_articles ⇒ Array<OrderArticle>

Returns Order articles with this category.

Returns:

  • (Array<OrderArticle>) —

    Order articles with this category.



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# File 'app/models/article_category.rb', line 13

has_many :order_articles, through: :articles

#orders ⇒ Array<Order>

Returns Orders with articles in this category.

Returns:

  • (Array<Order>) —

    Orders with articles in this category.



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# File 'app/models/article_category.rb', line 16

has_many :orders, through: :order_articles

Class Method Details

.find_match(category) ⇒ Object

Find a category that matches a category name; may return nil. TODO more intelligence like remembering earlier associations (global and/or per-supplier)



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# File 'app/models/article_category.rb', line 34

def self.find_match(category)
  return if category.blank? || category.length < 3

  c = nil
  ## exact match - not needed, will be returned by next query as well
  # c ||= ArticleCategory.where(name: category).first
  # case-insensitive substring match (take the closest match = shortest)
  c = ArticleCategory.where('name LIKE ?', "%#{category}%") unless c && c.any?
  # case-insensitive phrase present in category description
  unless c && c.any?
    c = ArticleCategory.where('description LIKE ?', "%#{category}%").select do |s|
      s.description.match(/(^|,)\s*#{category}\s*(,|$)/i)
    end
  end
  # return closest match if there are multiple
  c = c.sort_by { |s| s.name.length }.first if c.respond_to? :sort_by
  c
end

.ransackable_associations(_auth_object = nil) ⇒ Object 



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# File 'app/models/article_category.rb', line 28

def self.ransackable_associations(_auth_object = nil)
  %w[articles order_articles orders]
end

.ransackable_attributes(_auth_object = nil) ⇒ Object 



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# File 'app/models/article_category.rb', line 24

def self.ransackable_attributes(_auth_object = nil)
  %w[id name]
end

Instance Method Details

#check_for_associated_articles ⇒ Object (protected)

Deny deleting the category when there are associated articles.



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# File 'app/models/article_category.rb', line 56

def check_for_associated_articles
  return unless articles.undeleted.exists?

  raise I18n.t('activerecord.errors.has_many_left',
               collection: Article.model_name.human)
end