sendgrid-csharp/ExampleNet45Project/Program.cs at main · sendgrid/sendgrid-csharp · GitHub

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using System;

using System.Collections.Generic;

using System.Net.Http;

using System.Threading.Tasks;

using Microsoft.Extensions.Configuration;

using Newtonsoft.Json;

using SendGrid;

using SendGrid.Helpers.Mail;

namespace Example

{

internal class Program

{

// HttpClient is intended to be instantiated once per application, rather than per-use.

// See https://docs.microsoft.com/dotnet/api/system.net.http.httpclient#remarks

private static readonly HttpClient HttpClient = new HttpClient();

private static async Task Main()

{

var env = Environment.GetEnvironmentVariable("DOTNET_ENVIRONMENT") ?? "Production";

var configuration = new ConfigurationBuilder()

.AddJsonFile("appsettings.json", optional: true)

.AddJsonFile($"appsettings.{env}.json", optional: true)

.Build();

// Retrieve the API key.

var apiKey = Environment.GetEnvironmentVariable("SENDGRID_API_KEY") ?? configuration["SendGrid:ApiKey"];

var client = new SendGridClient(HttpClient, new SendGridClientOptions { ApiKey = apiKey, HttpErrorAsException = true });

// Send a Single Email using the Mail Helper

var from = new EmailAddress(configuration.GetValue("SendGrid:From", "test@example.com"), "Example User");

var subject = "Hello World from the Twilio SendGrid CSharp Library Helper!";

var to = new EmailAddress(configuration.GetValue("SendGrid:To", "test@example.com"), "Example User");

var plainTextContent = "Hello, Email from the helper [SendSingleEmailAsync]!";

var htmlContent = "<strong>Hello, Email from the helper! [SendSingleEmailAsync]</strong>";

var msg = MailHelper.CreateSingleEmail(from, to, subject, plainTextContent, htmlContent);

var response = await client.SendEmailAsync(msg);

Console.WriteLine(msg.Serialize());

Console.WriteLine(response.StatusCode);

Console.WriteLine(response.Headers);

Console.WriteLine("\n\nPress <Enter> to continue.");

Console.ReadLine();

// Send a Single Email using the Mail Helper with convenience methods and initialized SendGridMessage object

msg = new SendGridMessage

{

From = from,

Subject = subject,

PlainTextContent = plainTextContent,

HtmlContent = htmlContent

};

msg.AddTo(to);

response = await client.SendEmailAsync(msg);

Console.WriteLine(msg.Serialize());

Console.WriteLine(response.StatusCode);

Console.WriteLine(response.Headers);

Console.WriteLine("\n\nPress <Enter> to continue.");

Console.ReadLine();

// Send a Single Email using the Mail Helper, entirely with convenience methods

msg = new SendGridMessage();

msg.SetFrom(from);

msg.SetSubject(subject);

msg.AddContent(MimeType.Text, plainTextContent);

msg.AddContent(MimeType.Html, htmlContent);

msg.AddTo(to);

response = await client.SendEmailAsync(msg);

Console.WriteLine(msg.Serialize());

Console.WriteLine(response.StatusCode);

Console.WriteLine(response.Headers);

Console.WriteLine("\n\nPress <Enter> to continue.");

Console.ReadLine();

// Send a Single Email Without the Mail Helper

var data = @"{

'personalizations': [

{

'to': [

{

'email': 'test@example.com'

}

'subject': 'Hello World from the Twilio SendGrid C# Library!'

}

'from': {

'email': 'test@example.com'

'content': [

{

'type': 'text/plain',

'value': 'Hello, Email!'

}

]

}";

var json = JsonConvert.DeserializeObject<object>(data);

response = await client.RequestAsync(BaseClient.Method.POST,

json.ToString(),

urlPath: "mail/send");

Console.WriteLine(response.StatusCode);

Console.WriteLine(response.Headers);

Console.WriteLine("\n\nPress <Enter> to continue.");

Console.ReadLine();

// GET Collection

var queryParams = @"{

'limit': 100

}";

response = await client.RequestAsync(method: BaseClient.Method.GET,

urlPath: "asm/groups",

queryParams: queryParams);

Console.WriteLine(response.StatusCode);

Console.WriteLine(response.Body.ReadAsStringAsync().Result);

Console.WriteLine(response.Headers);

Console.WriteLine("\n\nPress <Enter> to continue to POST.");

Console.ReadLine();

// POST

var requestBody = @"{

'description': 'Suggestions for products our users might like.',

'is_default': false,

'name': 'Magic Products'

}";

json = JsonConvert.DeserializeObject<object>(requestBody);

response = await client.RequestAsync(method: BaseClient.Method.POST,

urlPath: "asm/groups",

requestBody: json.ToString());

var dsResponse = JsonConvert.DeserializeObject<Dictionary<string, dynamic>>(response.Body.ReadAsStringAsync().Result);

Console.WriteLine(response.StatusCode);

Console.WriteLine(response.Body.ReadAsStringAsync().Result);

Console.WriteLine(response.Headers);

Console.WriteLine("\n\nPress <Enter> to continue to GET single.");

Console.ReadLine();

if (dsResponse != null && dsResponse.ContainsKey("id"))

{

var groupId = dsResponse["id"].ToString();

// GET Single

response = await client.RequestAsync(method: BaseClient.Method.GET,

urlPath: $"asm/groups/{groupId}");

Console.WriteLine(response.StatusCode);

Console.WriteLine(response.Body.ReadAsStringAsync().Result);

Console.WriteLine(response.Headers);

Console.WriteLine("\n\nPress <Enter> to continue to PATCH.");

Console.ReadLine();

// PATCH

requestBody = @"{

'name': 'Cool Magic Products'

}";

json = JsonConvert.DeserializeObject<object>(requestBody);

response = await client.RequestAsync(method: BaseClient.Method.PATCH,

urlPath: $"asm/groups/{groupId}",

requestBody: json.ToString());

Console.WriteLine(response.StatusCode);

Console.WriteLine(response.Body.ReadAsStringAsync().Result);

Console.WriteLine(response.Headers.ToString());

Console.WriteLine("\n\nPress <Enter> to continue to PUT.");

Console.ReadLine();

// DELETE

response = await client.RequestAsync(method: BaseClient.Method.DELETE,

urlPath: $"asm/groups/{groupId}");

Console.WriteLine(response.StatusCode);

Console.WriteLine(response.Headers.ToString());

Console.WriteLine("\n\nPress <Enter> to DELETE and exit.");

Console.ReadLine();

}

sendgrid-csharp/ExampleNet45Project/Program.cs at main · sendgrid/sendgrid-csharp · GitHub

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