class SearchProviderGroupName < ActiveRecord::Base
  belongs_to  :user
  has_many    :search_provider_groups, dependent: :destroy
  has_many    :providers, through: :search_provider_groups
  
  validates :name, presence: true, uniqueness: { scope: :user_id, case_sensitive: false }
  validates :user_id, presence: true
  
  def add_group(providers)
    search_provider_groups.create( providers.collect{|p| {provider_id: p} } )
  end

  def update_group(providers)
    search_provider_groups.destroy_all
    search_provider_groups.create( providers.collect{|p| {provider_id: p} } )
  end
  
  def self.update_group(params)
    group = params[:provider_group_name]
    group.search_provider_groups.destroy_all
    params[:providers].each do |provider|
      group.search_provider_groups << SearchProviderGroup.new(provider_id: provider)
    end
    group
  end
  
end