2015-10-04 62 views
1

我与ServiceStack相处得非常好,但遇到了一个我目前无法工作的问题。在我的Global.asax.cs配置()方法,我宣布一个基于数据库的AppSettings如下:ServiceStack:未在视图中使用的自定义应用设置

  // Create app settings, based on dictionary settings from central database 
      Dictionary<string, string> configSettings = null; 
      using (var db = container.Resolve<IDbConnectionFactory>().Open()) 
      { 
       configSettings = db.Dictionary<string, string>(db.From<ConfigSetting>()); 
      } 
      var dicSettings = new DictionarySettings(configSettings); 

      // Register app settings for injection 
      container.Register<IAppSettings>(dicSettings); 

这代码的伟大工程,其中的AppSettings注入:

public class RemoteEmailValidator : IEmailValidator 
{ 
    public IAppSettings AppSettings { get; set; } 

    public bool ValidEmail(string email) 
    { 
     try 
     { 
      if (String.IsNullOrEmpty(email) || email.Length > 256) 
      { 
       return false; 
      } 

      RestClient client = new RestClient(); 
      string baseURL = AppSettings.Get("MailgunAPIBaseURL", ""); 
      if (String.IsNullOrEmpty(baseURL)) 
      { 
       // If we can't check email in-depth, then it's OK 
       return true; 
      } 
      else 
      { 
       client.BaseUrl = new Uri(baseURL); 
       client.Authenticator = 
         new HttpBasicAuthenticator(AppSettings.Get("MailgunAPIUserName", ""), 
                AppSettings.Get("MailgunAPIPublicKey", "")); 
       RestRequest request = new RestRequest(); 
       request.Resource = AppSettings.Get("MailgunAPIEmailValidationResource", ""); 
       request.AddParameter("address", email); 

       var response = client.Execute(request); 
       dynamic content = DynamicJson.Deserialize(response.Content); 

       return content.is_valid == "true"; 
      } 
     } 
     catch { } // Suppress any errors, because email validation is nice to have 

     return true; 
    } 
} 

的值如您所期望的那样从数据库中检索。但是,当我尝试从视图访问AppSettings时,值将从web.config返回。例如。在我register.cshtml:

string maxHouseholdMembers = HostContext.AppSettings.Get("MaxMembersPerHousehold", "20"); 

的值有变化基础上,从数据库中的值,而是基于更新的web.config变的。那么,是否有任何额外的配置我需要做,让我的视图使用我在global.asax.cs Configure()方法中创建的自定义AppSettings?

回答

2

找到了答案,而我实际上发布的问题。只需要在Configure()方法添加一个额外的行:

  // Create app settings, based on dictionary settings from central database 
      Dictionary<string, string> configSettings = null; 
      using (var db = container.Resolve<IDbConnectionFactory>().Open()) 
      { 
       configSettings = db.Dictionary<string, string>(db.From<ConfigSetting>()); 
      } 
      var dicSettings = new DictionarySettings(configSettings); 
      AppSettings = dicSettings; 

最后一行(的AppSettings = dicSettings)的伎俩和覆盖标准的AppSettings。

+0

是的,你只需要设置AppHost AppSettings,你不需要在IOC中注册,因为ServiceStack会注册它,如果它不存在 – mythz

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