Configuration Settings

Cofoundry includes a system for easily creating strongly typed configuration settings just by defining a POCO class that inherits from IConfigurationSettings. These settings classes are automatically picked up by the DI system and bound to your config source at runtime using the underlying .NET Core IOptions accessor.

Additionally, configuration is checked to be valid using IModelValidationService so you can also take advantage of data annotations such as [Required] and [MaxLength] to ensure that setting values are entered correctly.

Setting Names

By default, settings use the format {ClassName}:{PropertyName} where ClassName has the text "Settings" removed from the end, e.g. 'ContactForm:IsContactFormEnabled'

To add an additional level of namespacing to your settings you can use the class annotation [NamespacedConfigurationSetting("MyNamespace")], which is what Cofoundry uses internally to make names like 'Cofoundry:Mail:DefaultFromAddress'. This is particularly useful if you are making a plugin and want to ensure your config settings don't conflict.

Example

appsettings.json:

{
  "ContactForm": {
    "IsContactFormEnabled": true,
    "NotificationToAddress": "[email protected]"
  }
}

ContactFormSettings.cs:

using Cofoundry.Core.Configuration;

public class ContactFormSettings : IConfigurationSettings
{
    public bool IsContactFormEnabled { get; set; }
    
    [Required]
    [EmailAddress]
    public string NotificationToAddress { get; set; }
}

ContactController.cs:

public class ContactController : Controller
{
    private readonly ContactFormSettings _simpleTestSiteSettings;

    public ContactController(
        ContactFormSettings simpleTestSiteSettings
        )
    {
        _simpleTestSiteSettings = simpleTestSiteSettings;
    }
    
    // .. implementation
}