Created
August 24, 2012 00:43
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sample code showing how to use the Mandrill API
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/* | |
* Code/Mandrill.cs | |
* These are calls to the Mandrill email service. | |
* Reference: https://mandrillapp.com/api/docs/ | |
* | |
* ajh 2012-08-09: new | |
*/ | |
using System; | |
using System.Collections.Generic; | |
using System.Linq; | |
using System.Web; | |
using System.Configuration; | |
using System.Dynamic; | |
using EasyHttp.Http; | |
using System.Net; | |
using log4net; | |
namespace Sample.Web | |
{ | |
enum MandrillError | |
{ | |
OK, | |
WebException, | |
HttpNotOk, | |
Invalid, | |
Rejected, | |
Unknown | |
} | |
public class Mandrill | |
{ | |
static string MandrillBaseUrl = ConfigurationManager.AppSettings["MandrillBaseUrl"]; | |
static Guid MandrillKey = new Guid(ConfigurationManager.AppSettings["MandrillKey"]); | |
public static bool SendActivationEMail(BLL.TrialSignup ts, out string errorMsg) | |
{ | |
string activationLink = | |
HttpContext.Current.Request.Url.GetLeftPart(UriPartial.Authority) + "/Register/Activation.aspx?id=" + ts.Id; | |
//send-template(string key, string template_name, array template_content, struct message) | |
dynamic sendParams = new ExpandoObject(); | |
sendParams.key = MandrillKey; | |
sendParams.template_name = "Secret Project Trial Activation"; | |
sendParams.template_content = new List<dynamic>(); | |
sendParams.message = new ExpandoObject(); | |
sendParams.message.subject = "Here's your Secret Project activation email"; | |
sendParams.message.from_email = "info@SecretProject.com"; | |
sendParams.message.from_name = "Secret Project"; | |
sendParams.message.to = new List<dynamic>(); | |
sendParams.message.to.Add(new ExpandoObject()); | |
sendParams.message.to[0].email = ts.EMail; | |
sendParams.message.to[0].name = ts.Name; | |
sendParams.message.track_opens = true; | |
//sendParams.message.track_clicks = true; | |
sendParams.message.global_merge_vars = new List<dynamic>(); | |
sendParams.message.global_merge_vars.Add(new ExpandoObject()); | |
sendParams.message.global_merge_vars[0].name = "NAME"; | |
sendParams.message.global_merge_vars[0].content = ts.Name; | |
sendParams.message.global_merge_vars.Add(new ExpandoObject()); | |
sendParams.message.global_merge_vars[1].name = "LINK"; | |
sendParams.message.global_merge_vars[1].content = activationLink; | |
errorMsg = string.Empty; | |
MandrillError merr = SendMessage(sendParams); | |
switch (merr) | |
{ | |
case MandrillError.OK: | |
return true; | |
case MandrillError.WebException: | |
case MandrillError.HttpNotOk: | |
errorMsg = "There was an issue sending your activation e-mail. Please try again later or call us directly."; | |
break; | |
case MandrillError.Invalid: | |
errorMsg = "Your email address appears to be invalid. Please try again with a valid address, or call us directly."; | |
break; | |
case MandrillError.Rejected: | |
errorMsg = "Your activation email was rejected. Please try again with a valid address, or call us directly."; | |
break; | |
case MandrillError.Unknown: | |
errorMsg = "There was an unknown problem sending your activation email. Please try again, or call us directly."; | |
break; | |
} | |
return false; | |
} | |
public static bool SendSalesNotification(BLL.TrialSignup ts) | |
{ | |
dynamic sendParams = new ExpandoObject(); | |
sendParams.key = MandrillKey; | |
sendParams.template_name = "Secret Project Trial Sales Notification"; | |
sendParams.template_content = new List<dynamic>(); | |
sendParams.message = new ExpandoObject(); | |
sendParams.message.subject = "Secret Project Trial Account Notification"; | |
sendParams.message.from_email = "info@SecretProject.com"; | |
sendParams.message.from_name = "Secret Project"; | |
sendParams.message.to = new List<dynamic>(); | |
sendParams.message.to.Add(new ExpandoObject()); | |
sendParams.message.to[0].email = ConfigurationManager.AppSettings["SalesEmail"]; | |
sendParams.message.to[0].name = "Secret Project Sales"; | |
//sendParams.message.track_opens = true; | |
//sendParams.message.track_clicks = true; | |
sendParams.message.global_merge_vars = new List<dynamic>(); | |
sendParams.message.global_merge_vars.Add(new ExpandoObject()); | |
sendParams.message.global_merge_vars[0].name = "NAME"; | |
sendParams.message.global_merge_vars[0].content = ts.Name; | |
sendParams.message.global_merge_vars.Add(new ExpandoObject()); | |
sendParams.message.global_merge_vars[1].name = "COMPANY"; | |
sendParams.message.global_merge_vars[1].content = ts.CompanyName; | |
sendParams.message.global_merge_vars.Add(new ExpandoObject()); | |
sendParams.message.global_merge_vars[2].name = "EMAIL"; | |
sendParams.message.global_merge_vars[2].content = ts.EMail; | |
MandrillError merr = SendMessage(sendParams); | |
switch (merr) | |
{ | |
case MandrillError.OK: | |
return true; | |
case MandrillError.WebException: | |
case MandrillError.HttpNotOk: | |
case MandrillError.Invalid: | |
case MandrillError.Rejected: | |
case MandrillError.Unknown: | |
break; | |
} | |
return false; | |
} | |
private static MandrillError SendMessage(dynamic sendParams) | |
{ | |
ILog _log = log4net.LogManager.GetLogger("Mandrill/SendMessage"); | |
string url = MandrillBaseUrl + "/messages/send-template.json"; | |
var http = new HttpClient | |
{ | |
Request = { Accept = HttpContentTypes.ApplicationJson } | |
}; | |
EasyHttp.Http.HttpResponse response; | |
try | |
{ | |
response = http.Post(url, sendParams, HttpContentTypes.ApplicationJson); | |
} | |
catch (WebException ex) | |
{ | |
_log.ErrorFormat("Error: WebException - {0}", ex.Message); | |
return MandrillError.WebException; | |
} | |
if (response.StatusCode != HttpStatusCode.OK) | |
{ | |
_log.InfoFormat("Response = {0} - {1}", response.StatusCode, response.StatusDescription); | |
_log.Info(response.RawText); | |
return MandrillError.HttpNotOk; | |
} | |
dynamic rv = response.DynamicBody; | |
_log.InfoFormat("email: {0}, status: {1}", rv[0].email, rv[0].status); | |
string send_status = rv[0].status; | |
if (send_status == "sent" || send_status == "queued") | |
return MandrillError.OK; | |
// otherwise, it should be "rejected" or "invalid" | |
if (send_status == "invalid") | |
{ | |
return MandrillError.Invalid; | |
} | |
if (send_status == "rejected") | |
{ | |
return MandrillError.Rejected; | |
} | |
// unexpected... | |
return MandrillError.Unknown; | |
} | |
} | |
} |
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