private static CommunicationSendRequest GetSendRequest(CustomerCommunicationUseCase useCase, string message)
{
var sendRequest = new CommunicationSendRequest()
{
UseCase = useCase,
PersonId = JObject.Parse(message).SelectToken(useCase.PersonIdPath).ToObject <int>(),
Parameters = new List <KeyValuePair <string, string> >()
};
var templateParams = useCase.TemplateMessageParameters;
var jmessage = JObject.Parse(message);
if (templateParams != null)
{
foreach (var templateParamsKey in templateParams)
{
var value = jmessage.SelectToken(templateParamsKey.Value).ToString();
if (templateParamsKey.Key.ToLower().Contains("amount"))
{
value = value.FormatCurrency();
}
sendRequest.Parameters.Add(new KeyValuePair <string, string>(templateParamsKey.Key, value));
}
}
return(sendRequest);
}
private async Task <HttpContent> GetEmailSendForm(CommunicationSendRequest sendRequest)
{
if (sendRequest.UseCase.CanUnsubscribe)
{
var unsubLink = await GetUnsubscribeLink(sendRequest);
sendRequest.Parameters.Add(
new KeyValuePair <string, string>("UnsubscribeLink", unsubLink));
}
var formDictionary = new Dictionary <string, string>
{
{ "from", sendRequest.FromEmail.Length == 0 ? _fromEmail : sendRequest.FromEmail },
{ "to", sendRequest.UserContactInfo.EmailAddress },
{ "subject", sendRequest.UseCase.Parameters.First(p => p.Key == "EmailSubject").Value },
{ "template", sendRequest.UseCase.Parameters.First(p => p.Key == "EmailTemplate").Value },
{
"h:sender", sendRequest.FromEmail.Length == 0 ? _fromEmail : sendRequest.FromEmail
}, //added to ensure sender address appears correctly in Outlook
{
"h:X-Mailgun-Variables",
JsonConvert.SerializeObject(sendRequest.Parameters.ToDictionary(k => k.Key, v => v.Value))
},
{ "o:testmode", (_mailgunTestMode).ToString() },
{ "o:tag", sendRequest.UseCase.Id }
};
if (_enableMailgun)
{
return(new FormUrlEncodedContent(formDictionary));
}
return(new StringContent(JsonConvert.SerializeObject(formDictionary), Encoding.UTF8, "application/json"));
}
private void LogEmailSent(IDurableOrchestrationContext client, CommunicationSendRequest request)
{
var key = new EntityId(nameof(CommsTrackingEntity), request.PersonId.ToString());
var proxy = client.CreateEntityProxy <ICommsTrackingEntity>(key);
proxy.Track(request.UseCase.Id);
}
private async Task SendEmail(CommunicationSendRequest request)
{
var emailSendForm = await GetEmailSendForm(request);
var response = await _httpClient.PostAsync("messages", emailSendForm);
request.MailgunResponse = await response.Content.ReadAsStringAsync();
}
private EventData FormatMessage(CommunicationSendRequest request)
{
var logEntry = new
{
request.PersonId,
request.UserContactInfo.EmailAddress,
request.UseCase.Id,
request.UseCase.Type,
Channel = "Email",
TimeStamp = DateTime.UtcNow
};
string message = JsonConvert.SerializeObject(logEntry);
var messageBytes = Encoding.UTF8.GetBytes(message);
return(new EventData(messageBytes));
}
private async Task <string> GetUnsubscribeLink(CommunicationSendRequest request)
{
var prefix = Environment.GetEnvironmentVariable("EmbeddedSiteUrl");
var suffix = "#!/contact-preferences";
var obj = new
{
personId = request.PersonId,
signature = await SignString(string.Concat(request.PersonId.ToString(), request.UseCase.Id)),
useCase = request.UseCase.Id
};
var queryParam =
Base64UrlEncoder.Encode(JsonConvert.SerializeObject(obj));
return(prefix + queryParam + suffix);
}
