CommunityGrows/communitygrows

class Category < ActiveRecord::Base
    has_many :documents, -> { order 'custom_order asc' }

    def initalize(attributes=nil)
        attr_with_defaults = {:hidden => false}.merge(attributes)
        super(attr_with_defaults)
      end

    def self.has_name?(name)
        return self.where(name: "#{name}").length != 0
    end

    def self.order_by_name
        categories = self.order("name ASC").all
        categories.each_with_index do |category, i|
            category.update_attributes!(:custom_order => i)
        end
    end

    def self.update_category_order(id_order)
        id_order.each_with_index do |id, i|
            self.find(id).update_attributes(:custom_order => i)
        end
    end

    def hide
        self.update_attributes!(:hidden => true)
    end

    def show
        self.update_attributes!(:hidden => false)
    end
    
    def self.update_category_order(order)
        order.each_with_index do |id, i|
            self.find(id).update_columns(:custom_order => i)
        end
    end
    
    def self.sort_by_name
        ordered_categories = self.order('name ASC').all
        ordered_categories.each_with_index do |category, i|
            category.update_columns(:custom_order => i)
        end
    end
    
    def self.sort_docs(category, sort_by)
        if sort_by == 'updated_at'
            docs = category.documents.reorder("#{sort_by} DESC")
        else
            docs = category.documents.reorder("#{sort_by} ASC")
        end
        docs.each_with_index do |doc, i|
            doc.update_columns(:custom_order => i)
        end
    end
end