/// <summary>
/// Validates the input email request.
/// </summary>
/// <param name="request">The <see cref="Services.EmailService.MessageContracts.SendEmailRequest"/> to be validated.</param>
/// <returns>A <see cref="Services.EmailService.MessageContracts.InvalidRecipients"/> that contains the information if Recipients address is invalid or with bad domain.</returns>
private InvalidRecipients ValidateEmailAddress(SendEmailRequest request)
{
InvalidRecipients resplist = new InvalidRecipients();
Logger.Info("[ValidateEmailAddress] validating Recipients email addresses.");
Logger.Info(request.ToString());
//Validate domain
foreach (var email in request.Recipients.Where(email => _badDomainCheckProvider.IsBadDomain(email)))
{
Logger.ErrorFormat("The recipient email address [{0}] is not a supported domain.", email);
resplist.BadDomains.Add(email);
}
if (request.CarbonCopyList == null)
{
return(resplist);
}
//validate bad domain
foreach (var email in request.CarbonCopyList.Where(email => _badDomainCheckProvider.IsBadDomain(email)))
{
Logger.ErrorFormat("The cclist email address [{0}] is not a supported domain.", email);
resplist.BadDomains.Add(email);
}
return(resplist);
}
/// <summary>
/// The implementation of the <see cref="Services.EmailService.ServiceContracts.ISendEmailToValidAddressService.SendEmailWithBadAddressCheck"/>.
/// It validates the input request and sends an email.
/// </summary>
/// <param name="request">The <see cref="Services.EmailService.MessageContracts.SendEmailRequest"/> that contains the input request for sending an email to one or more recipients with one or more <see cref="Services.EmailServiceProvider.Interface.FileAttachment"/>.</param>
/// <returns>A <see cref="Services.EmailService.MessageContracts.SendEmailResponseWithBadAddressCheck"/> that contains the information if the email was sent successfully along with list of invalid Recipients.</returns>
/// <exception cref="System.ServiceModel.FaultException">
/// Throws <see cref="Services.CommonLibraries.Infrastructure.Faults.SystemFault"/> when any unhandled exception occours.
/// </exception>
/// <exception cref="System.ServiceModel.FaultException">
/// Throws this fault <see cref="Services.EmailService.FaultContracts.EmailServiceFault.ValidationFailed"/> when the <paramref name="request"/> fails validation.
/// Following are the possible validation failures.
/// <list type="bullet">
/// <item>
/// <term><see cref="Services.EmailService.MessageContracts.SendEmailRequest.Subject"/></term>
/// <description>When it is <see langword="null"/> or <see cref="System.String.Empty"/></description>
/// </item>
/// <item>
/// <term><see cref="Services.EmailService.MessageContracts.SendEmailRequest.Body"/></term>
/// <description>When it is <see langword="null"/> or <see cref="System.String.Empty"/></description>
/// </item>
/// <item>
/// <term><see cref="Services.EmailService.MessageContracts.SendEmailRequest.FromEmailAddress"/></term>
/// <description>When it is <see langword="null"/> or <see cref="System.String.Empty"/> or is an invalid email address.</description>
/// </item>
/// <item>
/// <term><see cref="Services.EmailService.MessageContracts.SendEmailRequest.Recipients"/></term>
/// <description>When it is <see langword="null"/> or empty or contains one or more invalid email addresses.</description>
/// </item>
/// <item>
/// <term><see cref="Services.EmailService.MessageContracts.SendEmailRequest.CarbonCopyList"/></term>
/// <description>When it contains one or more invalid email addresses.</description>
/// </item>
/// <item>
/// <term><see cref="Services.EmailService.MessageContracts.SendEmailRequest.Attachments"/></term>
/// <description>When it contains one or more invalid attachments that is not base 64 encoded or missing file name.</description>
/// </item>
/// </list>
/// </exception>
/// <exception cref="System.ServiceModel.FaultException">
/// Throws <see cref="Services.CommonLibraries.Infrastructure.Faults.AuthorizationFault"/> when authorization fails.
/// </exception>
public SendEmailWithBadAddressCheckResponse SendEmailWithBadAddressCheck(SendEmailRequest request)
{
SendEmailWithBadAddressCheckResponse response = null;
bool result = false;
try
{
Logger.Debug("[SendEmailWithBadAddressCheck] Validating the sessionId.");
if (string.Compare(request.SessionId, _sessionToken, StringComparison.InvariantCultureIgnoreCase) != 0)
{
throw new InvalidSessionIdException();
}
Logger.Debug("[SendEmailWithBadAddressCheck] Validating input parameters.");
if (!ValidateEmailParameters(request))
{
Logger.Error("[SendEmailWithBadAddressCheck] Input request is invalid.");
throw new FaultException <EmailServiceFault>(EmailServiceFault.ValidationFailed, ValidationMessage);
}
Logger.Debug("[SendEmailWithBadAddressCheck] Sending the email.");
InvalidRecipients InvalidRecipients = ValidateEmailAddress(request);
//removal of Recipients from the list who have bad domains in address and mail is getting triggered to recepeints with valid domain address
request.Recipients.RemoveAll(x => InvalidRecipients.BadDomains.Contains(x));
if (request.CarbonCopyList != null)
{
request.CarbonCopyList.RemoveAll(x => InvalidRecipients.BadDomains.Contains(x));
}
if (request.Recipients != null && request.Recipients.Any())
{
result = _emailServiceProvider.SendEmail(request.Subject, request.Body, request.FromEmailAddress,
request.Recipients, request.CarbonCopyList, request.Attachments);
}
if (result)
{
Logger.InfoFormat("[SendEmailWithBadAddressCheck] Email was sent successfully. Result :[{0}]", result);
}
else
{
Logger.InfoFormat("[SendEmailWithBadAddressCheck] Email could not send .Please check logs for more info Result :[{0}]", result);
}
//List of bad domain and bad address is added to response with IsSuccess flag
response = new SendEmailWithBadAddressCheckResponse {
IsSuccess = result, InvalidRecipients = InvalidRecipients
};
}
catch (Exception ex)
{
Logger.FatalFormat("[SendEmailWithBadAddressCheck] Unexpected exception. Message:{0}. Stacktrace:{1}", ex, ex.Message, ex.StackTrace);
throw GetFaultException(request, ex);
}
return(response);
}