diff options
Diffstat (limited to 'SendGrid/SendGridMail/Transport/REST.cs')
| -rwxr-xr-x | SendGrid/SendGridMail/Transport/REST.cs | 143 |
1 files changed, 84 insertions, 59 deletions
diff --git a/SendGrid/SendGridMail/Transport/REST.cs b/SendGrid/SendGridMail/Transport/REST.cs index f96fa21..614e024 100755 --- a/SendGrid/SendGridMail/Transport/REST.cs +++ b/SendGrid/SendGridMail/Transport/REST.cs @@ -1,41 +1,45 @@ using System;
using System.Collections.Generic;
-using System.Collections.Specialized;
using System.IO;
using System.Linq;
using System.Net;
-using System.Net.Mail;
using System.Text;
-using System.Web;
using System.Xml;
using CodeScales.Http;
using CodeScales.Http.Entity;
using CodeScales.Http.Entity.Mime;
using CodeScales.Http.Methods;
-using HttpResponse = System.Web.HttpResponse;
namespace SendGridMail.Transport
{
public class REST : ITransport
{
- // REST delivery settings
+ #region Properties
public const String Endpoint = "http://sendgrid.com/api/mail.send";
public const String JsonFormat = "json";
public const String XmlFormat = "xml";
- private readonly List<KeyValuePair<String, String>> _query;
private readonly NetworkCredential _credentials;
- private readonly NameValueCollection _queryParameters;
private readonly String _restEndpoint;
private readonly String _format;
-
- private WebFileUpload _fileUpload;
-
+ #endregion
+
+ /// <summary>
+ /// Factory method for REST transport of sendgrid messages
+ /// </summary>
+ /// <param name="credentials">SendGrid credentials for sending mail messages</param>
+ /// <param name="url">The uri of the REST endpoint</param>
+ /// <returns>New instance of the transport mechanism</returns>
public static REST GetInstance(NetworkCredential credentials, String url = Endpoint)
{
return new REST(credentials, url);
}
+ /// <summary>
+ /// Creates a new REST interface for sending mail. Preference is using the Factory method.
+ /// </summary>
+ /// <param name="credentials">SendGrid user parameters</param>
+ /// <param name="url">The uri of the REST endpoint</param>
internal REST(NetworkCredential credentials, String url = Endpoint)
{
_credentials = credentials;
@@ -44,7 +48,74 @@ namespace SendGridMail.Transport _restEndpoint = url + "." + _format;
}
- private List<KeyValuePair<String, String>> FetchFormParams(ISendGrid message)
+ /// <summary>
+ /// Delivers a message over SendGrid's REST interface
+ /// </summary>
+ /// <param name="message"></param>
+ public void Deliver(ISendGrid message)
+ {
+ MultipartEntity multipartEntity;
+ HttpPost postMethod;
+
+ var client = InitializeTransport(out multipartEntity, out postMethod);
+ AttachFormParams(message, multipartEntity);
+ AttachFiles(message, multipartEntity);
+ var response = client.Execute(postMethod);
+ CheckForErrors(response);
+ }
+
+ #region Support Methods
+
+ internal HttpClient InitializeTransport(out MultipartEntity multipartEntity, out HttpPost postMethod)
+ {
+ var client = new HttpClient();
+ postMethod = new HttpPost(new Uri(_restEndpoint));
+
+ multipartEntity = new MultipartEntity();
+ postMethod.Entity = multipartEntity;
+ return client;
+ }
+
+ private void AttachFormParams(ISendGrid message, MultipartEntity multipartEntity)
+ {
+ var formParams = FetchFormParams(message);
+ formParams.ForEach(kvp => multipartEntity.AddBody(new StringBody(Encoding.UTF8, kvp.Key, kvp.Value)));
+ }
+
+ private void AttachFiles(ISendGrid message, MultipartEntity multipartEntity)
+ {
+ var files = FetchFileBodies(message);
+ files.ForEach(kvp => multipartEntity.AddBody(new FileBody("files[" + kvp.Key + "]", kvp.Key, kvp.Value)));
+ }
+
+ private void CheckForErrors(CodeScales.Http.Methods.HttpResponse response)
+ {
+ var status = EntityUtils.ToString(response.Entity);
+ var stream = new MemoryStream(Encoding.UTF8.GetBytes(status));
+
+ using (var reader = XmlReader.Create(stream))
+ {
+ while (reader.Read())
+ {
+ if (reader.IsStartElement())
+ {
+ switch (reader.Name)
+ {
+ case "result":
+ break;
+ case "message": // success
+ return;
+ case "error": // failure
+ throw new ProtocolViolationException(status);
+ default:
+ throw new ArgumentException("Unknown element: " + reader.Name);
+ }
+ }
+ }
+ }
+ }
+
+ internal List<KeyValuePair<String, String>> FetchFormParams(ISendGrid message)
{
var result = new List<KeyValuePair<string, string>>()
{
@@ -78,59 +149,13 @@ namespace SendGridMail.Transport return result.Where(r => !String.IsNullOrEmpty(r.Value)).ToList();
}
- private List<KeyValuePair<String, FileInfo>> FetchFileBodies(ISendGrid message)
+ internal List<KeyValuePair<String, FileInfo>> FetchFileBodies(ISendGrid message)
{
if(message.Attachments == null)
return new List<KeyValuePair<string, FileInfo>>();
return message.Attachments.Select(name => new KeyValuePair<String, FileInfo>(name, new FileInfo(name))).ToList();
}
- public void Deliver(ISendGrid message)
- {
- var client = new HttpClient();
- var postMethod = new HttpPost(new Uri(_restEndpoint));
-
- var multipartEntity = new MultipartEntity();
- postMethod.Entity = multipartEntity;
-
- var formParams = FetchFormParams(message);
-
- formParams.ForEach(kvp => multipartEntity.AddBody(new StringBody(Encoding.UTF8, kvp.Key, kvp.Value)));
-
- var files = FetchFileBodies(message);
- files.ForEach(kvp => multipartEntity.AddBody(new FileBody("files["+kvp.Key+"]", kvp.Key, kvp.Value)));
-
- CodeScales.Http.Methods.HttpResponse response = client.Execute(postMethod);
-
- Console.WriteLine("Response Code: " + response.ResponseCode);
- Console.WriteLine("Response Content: " + EntityUtils.ToString(response.Entity));
-
- Console.WriteLine("Res");
-
- var status = EntityUtils.ToString(response.Entity);
- var stream = new MemoryStream(Encoding.UTF8.GetBytes(status));
-
-
- using (var reader = XmlReader.Create(stream))
- {
- while (reader.Read())
- {
- if (reader.IsStartElement())
- {
- switch (reader.Name)
- {
- case "result":
- break;
- case "message": // success
- return;
- case "error": // failure
- throw new ProtocolViolationException(status);
- default:
- throw new ArgumentException("Unknown element: " + reader.Name);
- }
- }
- }
- }
- }
+ #endregion
}
}
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