universal_table/app/models/table_column.rb

class TableColumn
	include Mongoid::Document
	include Mongoid::Timestamps

	field :key
	field :title, localize: true
	field :display_in_index, type: Boolean, default: true
	field :type
	field :date_format, default: "YYYY/MM/DD"
	field :is_link_to_show, type: Boolean, default: false
	field :order, type: Integer
	field :make_categorizable, type: Boolean, default: false
	field :default_ordered_field, type: Boolean, default: false
	field :order_direction,type: String,default: 'desc'
	belongs_to :u_table, :dependent => :destroy, index: true

	has_many :column_entries

	index({display_in_index: -1}, { unique: false, background: true })
	index({order: 1}, { unique: false, background: true })
	index({key: 1}, { unique: false, background: true })

	def sort_hash(direction)
		case self.type
        when "text"
            {text: direction}
        when "integer"
            {number: direction}
        when "editor"
            {content: direction}
        when "image"
            {image: direction}
        when "date"
            {date: direction}
        when "period"
            {period_from: direction,period_to: direction}
        end
	end
end