public AustraliaPostComputationMethod(ICurrencyService currencyService,
                                       IMeasureService measureService, IShippingService shippingService,
                                       ICountryService countryService, ISettingService settingService, AustraliaPostSettings australiaPostSettings)
 {
     this._currencyService       = currencyService;
     this._measureService        = measureService;
     this._shippingService       = shippingService;
     this._countryService        = countryService;
     this._settingService        = settingService;
     this._australiaPostSettings = australiaPostSettings;
 }
        /// <summary>
        /// Install plugin
        /// </summary>
        public override void Install()
        {
            //settings
            var settings = new AustraliaPostSettings
            {
                AdditionalHandlingCharge = 0
            };

            _settingService.SaveSetting(settings);

            //locales
            this.AddOrUpdatePluginLocaleResource("Plugins.Shipping.AustraliaPost.Fields.ApiKey", "Australia Post API Key");
            this.AddOrUpdatePluginLocaleResource("Plugins.Shipping.AustraliaPost.Fields.ApiKey.Hint", "Specify Australia Post API Key.");
            this.AddOrUpdatePluginLocaleResource("Plugins.Shipping.AustraliaPost.Fields.AdditionalHandlingCharge", "Additional handling charge");
            this.AddOrUpdatePluginLocaleResource("Plugins.Shipping.AustraliaPost.Fields.AdditionalHandlingCharge.Hint", "Enter additional handling fee to charge your customers.");

            base.Install();
        }