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// Copyright (c) Microsoft. All rights reserved. Licensed under the MIT license. See full license at the bottom of this file.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Office365.OutlookServices;
using model = O365_APIs_Start_ASPNET_MVC.Models;
using System.Threading.Tasks;
namespace O365_APIs_Start_ASPNET_MVC.Helpers
{
/// <summary>
/// Contains methods for making requests against Office 365 email.
/// </summary>
internal class MailOperations
{
/// <summary>
/// Fetches email from user's Inbox.
internal async Task<List<model.MailItem>> GetEmailMessages(int pageNo, int pageSize)
{
// Make sure we have a reference to the Outlook Services client
var outlookServicesClient = await AuthenticationHelper.EnsureOutlookServicesClientCreatedAsync("Mail");
List<model.MailItem> returnResults = new List<model.MailItem>();
var mailResults = await (from i in outlookServicesClient.Me.Folders.GetById("Inbox").Messages
orderby i.DateTimeReceived descending
select i).Skip((pageNo - 1) * pageSize).Take(pageSize).ExecuteAsync();
var mailMessages = mailResults.CurrentPage;
foreach (IMessage serverMailItem in mailMessages)
{
model.MailItem modelMailItem = new model.MailItem(serverMailItem);
if ((!mailResults.MorePagesAvailable))
{
if (modelMailItem.ID == mailMessages.Last<IMessage>().Id)
{
modelMailItem.IsLastItem = true;
}
}
if ((modelMailItem.ID == mailMessages.First<IMessage>().Id) && pageNo == 1)
{
modelMailItem.IsFirstItem = true;
}
returnResults.Add(modelMailItem);
}
return returnResults;
}
/// <summary>
/// Compose and send a new email.
/// </summary>
/// <param name="subject">string. The subject line of the email.</param>
/// <param name="bodyContent">string. The body of the email.</param>
/// <param name="recipients">string. A semi-colon separated list of email addresses.</param>
/// <returns></returns>
internal async Task<String> ComposeAndSendMailAsync(string subject,
string bodyContent,
string recipients)
{
// The identifier of the composed and sent message.
string newMessageId = string.Empty;
// Prepare the recipient liost
var toRecipients = new List<Recipient>();
string[] splitter = { ";" };
var splitRecipientsString = recipients.Split(splitter, StringSplitOptions.RemoveEmptyEntries);
foreach (string recipient in splitRecipientsString)
{
toRecipients.Add(new Recipient
{
EmailAddress = new EmailAddress
{
Address = recipient.Trim(),
Name = recipient.Trim(),
},
});
}
// Prepare the draft message.
var draft = new Message
{
Subject = subject,
Body = new ItemBody
{
ContentType = BodyType.Text,
Content = bodyContent
},
ToRecipients = toRecipients,
};
try
{
// Make sure we have a reference to the Outlook Services client.
var outlookServicesClient = await AuthenticationHelper.EnsureOutlookServicesClientCreatedAsync("Mail");
// To send a message without saving to Sent Items, specify false for
// the SavetoSentItems parameter. This method is useful only when you
// don't need a handle (identifier) on the item saved in
// the sent items folder.
// await outlookServicesClient.Me.SendMailAsync(draft, true);
// Creates the draft message in the drafts folder.
// This results in a call to the service.
// Returns full item but unfortunately you dont have access to it.
await outlookServicesClient.Me.Folders.GetById("Drafts").Messages.AddMessageAsync(draft);
// Gets the full draft message, including the identifier needed to issue a send mail request.
// This results in a call to the service.
IMessage updatedDraft = await outlookServicesClient.Me.Folders.GetById("Drafts").Messages.GetById(draft.Id).ExecuteAsync();
// Issues a send command so that the draft mail is sent to the recipient list.
// This results in a call to the service.
await outlookServicesClient.Me.Folders.GetById("Drafts").Messages.GetById(updatedDraft.Id).SendAsync();
newMessageId = draft.Id;
}
catch (Exception e)
{
throw new Exception("We could not send the message: " + e.Message);
}
return newMessageId;
}
/// <summary>
/// Removes an event from the user's default calendar.
/// </summary>
/// <param name="selectedEventId">string. The unique Id of the event to delete.</param>
/// <returns></returns>
internal async Task<IMessage> DeleteMailItemAsync(string selectedEventId)
{
IMessage thisMailItem = null;
try
{
// Make sure we have a reference to the Outlook Services client
var outlookServicesClient = await AuthenticationHelper.EnsureOutlookServicesClientCreatedAsync("Mail");
// Get the event to be removed from the Exchange service. This results in a call to the service.
thisMailItem = await outlookServicesClient.Me.Folders.GetById("Inbox").Messages.GetById(selectedEventId).ExecuteAsync();
// Delete the event. This results in a call to the service.
await thisMailItem.DeleteAsync(false);
}
catch (Exception)
{
throw new Exception("The message could not be deleted in Outlook Services.");
}
return thisMailItem;
}
internal string BuildRecipientList(IList<Recipient> recipientList)
{
StringBuilder recipientListBuilder = new StringBuilder();
foreach (Recipient recipient in recipientList)
{
if (recipientListBuilder.Length == 0)
{
recipientListBuilder.Append(recipient.EmailAddress.Address);
}
else
{
recipientListBuilder.Append(";" + recipient.EmailAddress.Address);
}
}
return recipientListBuilder.ToString();
}
internal async Task<model.MailItem> GetMailItemByIDsAsync(string id)
{
// Make sure we have a reference to the Outlook Services client
var outlookServicesClient = await AuthenticationHelper.EnsureOutlookServicesClientCreatedAsync("Mail");
IMessage thisMailItem = null;
// This results in a call to the service.
var thisMailFetcher = outlookServicesClient.Me.Folders.GetById("Inbox").Messages.GetById(id);
thisMailItem = await thisMailFetcher.ExecuteAsync();
model.MailItem modelMailMessage = new model.MailItem(thisMailItem);
return modelMailMessage;
}
}
}
//*********************************************************
//
//O365 APIs Starter Project for ASPNET MVC, https://github.com/OfficeDev/Office-365-APIs-Starter-Project-for-ASPNETMVC
//
//Copyright (c) Microsoft Corporation
//All rights reserved.
//
//MIT License:
//
//Permission is hereby granted, free of charge, to any person obtaining
//a copy of this software and associated documentation files (the
//""Software""), to deal in the Software without restriction, including
//without limitation the rights to use, copy, modify, merge, publish,
//distribute, sublicense, and/or sell copies of the Software, and to
//permit persons to whom the Software is furnished to do so, subject to
//the following conditions:
//
//The above copyright notice and this permission notice shall be
//included in all copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED ""AS IS"", WITHOUT WARRANTY OF ANY KIND,
//EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
//MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
//LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
//OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
//WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//*********************************************************