/// <summary>
/// Creates the instance of a MailProvider using the given configuration.
/// </summary>
/// <param name="configurationLoader">The configuration to be supplied to the MailProvider. The configuration key value pairs are specific to providers.</param>
/// <param name="mapper">The object mapper, used for mapping between E-Mail domain models and models used by third-party provider libraries.</param>
/// <returns>The instantiated MailProvider.</returns>
public IMailProvider GetProvider(IConfigurationLoader configurationLoader, IMapper mapper)
{
if (configurationLoader == null)
{
throw new ArgumentNullException(nameof(configurationLoader));
}
IMailProvider mailProvider = null;
var config = configurationLoader.GetConfiguration();
if (config.TryGetValue("MailProvider", out string provider))
{
if (!string.IsNullOrWhiteSpace(provider))
{
switch (provider)
{
case nameof(Provider.SendGrid):
mailProvider = new SendGridProvider(configurationLoader);
break;
default:
throw new ArgumentException("Unknown provider.");
}
}
}
else
{
throw new InvalidOperationException("Configuration is missing MailProvider.");
}
return(mailProvider);
}
public SendGridProvider(IConfigurationLoader configuration)
{
_configuration = configuration ?? throw new ArgumentNullException(nameof(configuration));
_configuration.GetConfiguration();
if (configuration.GetConfiguration().TryGetValue("SendGridApiKey", out string apiKey))
{
_client = new SendGridClient(apiKey);
}
}
