private static GetRestResponse MailGunEmailValidation(string resource, string parameter, GetRestRequest request)
{
var mailGunApiKey = System.Configuration.ConfigurationManager.AppSettings["mailgun_apikey"];
var mailGunUrl = System.Configuration.ConfigurationManager.AppSettings["mailgun_url"];
GetRestResponse response = new GetRestResponse();
RestClient client = new RestClient();
client.BaseUrl = new Uri(mailGunUrl);
client.Authenticator = new HttpBasicAuthenticator("api", mailGunApiKey);
RestRequest Request = new RestRequest();
Request.Resource = resource;
Request.AddParameter(parameter, request.Email);
response.RestResponse = client.Execute(Request);
return(response);
}
/// <summary>
/// Mailgun verification for bulk contacts
/// </summary>
private void MailgunVerification(List <RawContact> contacts)
{
var mailGunList = new List <IEnumerable <string> >();
var interimMailList = new List <string>();
var mailLengthList = contacts
.Where(c => !string.IsNullOrEmpty(c.PrimaryEmail))
.Select(c => new { Email = c.PrimaryEmail, Length = (c.PrimaryEmail.Length + 1) }) //adding + 1 to consider comma in final string
.Distinct();
var maxSize = 4000;
int sum = 0; int index = 0;
foreach (var mail in mailLengthList)
{
index++;
sum = sum + mail.Length;
if (sum >= maxSize)
{
mailGunList.Add(interimMailList);
interimMailList = new List <string>();
interimMailList.Add(mail.Email);
sum = mail.Length;
}
interimMailList.Add(mail.Email);
if (index == mailLengthList.Count())
{
mailGunList.Add(interimMailList);
}
}
foreach (var mailsToCheck in mailGunList)
{
var emails = string.Join(",", mailsToCheck);
GetRestResponse response = mailGunService.BulkEmailValidate(new GetRestRequest()
{
Email = emails
});
JavaScriptSerializer js = new JavaScriptSerializer();
dynamic restResponse = js.Deserialize <dynamic>(response.RestResponse.Content);
if (restResponse != null)
{
string[] valid = ((IEnumerable)restResponse["parsed"]).Cast <object>().Select(x => x.ToString()).ToArray();
string[] notvalid = ((IEnumerable)restResponse["unparseable"]).Cast <object>().Select(x => x.ToString()).ToArray();
contacts = contacts.Join(valid, c => c.PrimaryEmail, v => v, (c, v) => c).ToList();
foreach (RawContact contact in contacts)
{
contact.EmailStatus = (byte)EmailStatus.Verified;
}
contacts = contacts.Join(notvalid, c => c.PrimaryEmail, v => v, (c, v) => c).ToList();
foreach (RawContact contact in contacts)
{
contact.EmailStatus = (byte)EmailStatus.HardBounce;
}
}
else
{
contacts.ForEach(p => p.EmailStatus = (byte)EmailStatus.NotVerified);
}
}
importDataRepository.InsertImportContactEmailStatuses(contacts);
}
