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thinkingseriousthinkingserious
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Merge pull request #508 from Niladri24dutta/SingleEmailToMultipleOverload
Single email to multiple recipients - Toggle display of recipients
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‎src/SendGrid/Helpers/Mail/MailHelper.cs‎

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@@ -146,5 +146,48 @@ public static EmailAddress StringToEmailAddress(string rfc2822Email)
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var name = match.Groups[NameGroup].Value.Trim();
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return new EmailAddress(email, name);
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}
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/// <summary>
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/// Send a single simple email to multiple recipients with option for displaying all the recipients present in "To" section of email
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/// </summary>
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/// <param name="from">An email object that may contain the recipient’s name, but must always contain the sender’s email.</param>
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/// <param name="tos">A list of email objects that may contain the recipient’s name, but must always contain the recipient’s email.</param>
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/// <param name="subject">The subject of your email. This may be overridden by SetGlobalSubject().</param>
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/// <param name="plainTextContent">The text/plain content of the email body.</param>
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/// <param name="htmlContent">The text/html content of the email body.</param>
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/// <param name="showAllRecipients">Displays all the recipients present in the "To" section of email.The default value is false</param>
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/// <returns>A SendGridMessage object.</returns>
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public static SendGridMessage CreateSingleEmailToMultipleRecipients(
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EmailAddress from,
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List<EmailAddress> tos,
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string subject,
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string plainTextContent,
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string htmlContent,
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bool showAllRecipients = false)
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{
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var msg = new SendGridMessage();
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if (showAllRecipients)
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{
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msg.SetFrom(from);
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msg.SetGlobalSubject(subject);
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if (!string.IsNullOrEmpty(plainTextContent))
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{
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msg.AddContent(MimeType.Text, plainTextContent);
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}
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if (!string.IsNullOrEmpty(htmlContent))
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{
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msg.AddContent(MimeType.Html, htmlContent);
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}
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msg.AddTos(tos);
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}
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else
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{
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msg = CreateSingleEmailToMultipleRecipients(from, tos, subject, plainTextContent, htmlContent);
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}
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return msg;
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}
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}
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}

‎tests/SendGrid.Tests/Integration.cs‎

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@@ -448,6 +448,65 @@ public void TestCreateSingleEmailToMultipleRecipients()
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Assert.True(msg5.Serialize() == "{\"from\":{\"name\":\"Example User\",\"email\":\"[email protected]\"},\"subject\":\"Test Subject\",\"personalizations\":[{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]}],\"content\":[{\"type\":\"text/plain\",\"value\":\"Plain Text Content\"}]}");
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}
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[Fact]
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public void TestCreateSingleEmailToMultipleRecipientsToggleRecipientDisplay()
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{
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var emails = new List<EmailAddress>
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{
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new EmailAddress("[email protected]"),
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new EmailAddress("[email protected]"),
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new EmailAddress("[email protected]")
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};
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var msg = MailHelper.CreateSingleEmailToMultipleRecipients(new EmailAddress("[email protected]", "Example User"),
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emails,
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"Test Subject",
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"Plain Text Content",
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"HTML Content"
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);
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Assert.True(msg.Serialize() == "{\"from\":{\"name\":\"Example User\",\"email\":\"[email protected]\"},\"subject\":\"Test Subject\",\"personalizations\":[{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]}],\"content\":[{\"type\":\"text/plain\",\"value\":\"Plain Text Content\"},{\"type\":\"text/html\",\"value\":\"HTML Content\"}]}");
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var msg2 = MailHelper.CreateSingleEmailToMultipleRecipients(new EmailAddress("[email protected]", "Example User"),
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emails,
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"Test Subject",
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null,
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"HTML Content"
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);
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Assert.True(msg2.Serialize() == "{\"from\":{\"name\":\"Example User\",\"email\":\"[email protected]\"},\"subject\":\"Test Subject\",\"personalizations\":[{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]}],\"content\":[{\"type\":\"text/html\",\"value\":\"HTML Content\"}]}");
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var msg3 = MailHelper.CreateSingleEmailToMultipleRecipients(new EmailAddress("[email protected]", "Example User"),
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emails,
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"Test Subject",
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"Plain Text Content",
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null
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);
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Assert.True(msg3.Serialize() == "{\"from\":{\"name\":\"Example User\",\"email\":\"[email protected]\"},\"subject\":\"Test Subject\",\"personalizations\":[{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]}],\"content\":[{\"type\":\"text/plain\",\"value\":\"Plain Text Content\"}]}");
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var msg4 = MailHelper.CreateSingleEmailToMultipleRecipients(new EmailAddress("[email protected]", "Example User"),
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emails,
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"Test Subject",
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"",
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"HTML Content"
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);
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Assert.True(msg4.Serialize() == "{\"from\":{\"name\":\"Example User\",\"email\":\"[email protected]\"},\"subject\":\"Test Subject\",\"personalizations\":[{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]}],\"content\":[{\"type\":\"text/html\",\"value\":\"HTML Content\"}]}");
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var msg5 = MailHelper.CreateSingleEmailToMultipleRecipients(new EmailAddress("[email protected]", "Example User"),
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emails,
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"Test Subject",
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"Plain Text Content",
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""
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);
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Assert.True(msg5.Serialize() == "{\"from\":{\"name\":\"Example User\",\"email\":\"[email protected]\"},\"subject\":\"Test Subject\",\"personalizations\":[{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]},{\"to\":[{\"email\":\"[email protected]\"}]}],\"content\":[{\"type\":\"text/plain\",\"value\":\"Plain Text Content\"}]}");
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var msg6 = MailHelper.CreateSingleEmailToMultipleRecipients(new EmailAddress("[email protected]", "Example User"),
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emails,
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"Test Subject",
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"Plain Text Content",
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"HTML Content",
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true
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);
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Assert.True(msg6.Serialize() == "{\"from\":{\"name\":\"Example User\",\"email\":\"[email protected]\"},\"subject\":\"Test Subject\",\"personalizations\":[{\"to\":[{\"email\":\"[email protected]\"},{\"email\":\"[email protected]\"},{\"email\":\"[email protected]\"}]}],\"content\":[{\"type\":\"text/plain\",\"value\":\"Plain Text Content\"},{\"type\":\"text/html\",\"value\":\"HTML Content\"}]}");
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}
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[Fact]
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public void TestCreateMultipleEmailsToMultipleRecipients()
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{

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