/*Only for reference NOT A WORKING SAMPLE*/
using Microsoft.Exchange.WebServices.Data;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Configuration;
using System.Data.Entity;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using static Microsoft.Exchange.WebServices.Data.SearchFilter;
namespace exchangeConsole
{
class Program
{
private static string ContentsSyncState;
private static string FolderSyncState;
private static ChangeCollection<ItemChange> ItemChangeCollection;
private static ChangeCollection<FolderChange> FolderChangeCollection;
private static AutoResetEvent Signal;
private static StreamingSubscription StreamingSubscription;
private static PullSubscription PullSubscription;
private static string PullSubscriptionId;
private static string WaterMark;
static bool FirstPull = false;
private static int WaitTime = 3;
static ExchangeService service = EService.ConnectToService(UserDataFromConsole.GetUserData(true));
// Set the root folder to sync. This must be one of the WellKnownFolderName values.
private static FolderId RootSyncFolder = WellKnownFolderName.Calendar;
static DbContext dbContext = new demoentitees();
static void Main(string[] args)
{
var syncStates = dbContext.Set<SyncState>();
if (syncStates.Count() != 0 && syncStates.Where(x => x.IsFolder == true && x.CreatedBy != "testxxx") != null && syncStates.Where(x => x.IsFolder == true && x.CreatedBy != "testxxx").Count() > 0)
{
FolderSyncState = syncStates.Where(x => x.IsFolder == true && x.CreatedBy != "testxxx").OrderByDescending(x => x.Id).FirstOrDefault().SyncString;
ContentsSyncState = syncStates.Where(x => x.IsFolder == false && x.CreatedBy != "testxxx").OrderByDescending(x => x.Id).FirstOrDefault().SyncString;
}
else
{
FirstPull = true;
FolderSyncState = null;
ContentsSyncState = null;
}
// Retrieve the initial folder hierarchy, using rootSyncFolder as the root folder.
FolderSyncState = SyncFolders(service, FolderSyncState, RootSyncFolder);
// Retrieve the initial contents of the rootSyncFolder.
ContentsSyncState = SyncContents(service, ContentsSyncState, RootSyncFolder);
// After the initial sync, wait for notifications of new or changed items.
// StreamingSubscription = SetStreamingNotifications(service, ContentsSyncState, RootSyncFolder);
//Restart:
//do
//{
// SetPullNotifications(service, WaterMark, RootSyncFolder);
//} while (PullSubscription.MoreEventsAvailable.HasValue && !PullSubscription.MoreEventsAvailable.HasValue);
//Signal = new AutoResetEvent(false);
//PullSubscription.Unsubscribe();
// Wait for the application to exit.
// Signal.WaitOne();
//Console.WriteLine("Enter 'y' or 'N' ");
//string key = Console.ReadLine();
//if (key == "y"|| key=="Y")
// goto Restart;
Console.Read();
}
// Synchronize the contents of the rootSyncFolder folder.
static string SyncContents(ExchangeService service, string cSyncState, FolderId rootSyncFolder)
{
//Console.WriteLine("--------");
//Console.WriteLine("Starting content sync on the following folder");
//Console.WriteLine("FolderId: {0}", rootSyncFolder);
//Console.WriteLine("--------");
bool moreChangesAvailable = false;
do
{
// Get a change collection of all items in the rootSyncFolder by calling SyncFolderItems
// repeatedly until no more changes are available.
// The folderId parameter must be set to the same folder ID as the previous synchronization call.
// The propertySet parameter is set to IdOnly to reduce calls to the Exchange database,
// because any additional properties result in another call to the Exchange database.
// The ignoredItemIds parameter is set to null, so no items are ignored.
// The maxChangesReturned parameter is set to return a maximum of 500 items (512 is the default).
// The syncScope parameter is set to Normal items, so associated items will not be returned.
// The syncState parameter is set to the content sync state. When this method is called
// on a new or empty mailbox, the value is null. If the method has been called before,
// the cSyncState value contains the value previously returned by the server.
ItemChangeCollection = service.SyncFolderItems(rootSyncFolder, PropertySet.IdOnly, null, 500, SyncFolderItemsScope.NormalItems, cSyncState);
// Save the sync state for use in future SyncFolderItems requests.
// The sync state is used by the server to determine what changes to report
// to the client.
cSyncState = ItemChangeCollection.SyncState;
// If the count of changes is zero, there are no changes to synchronize.
if (ItemChangeCollection.Count == 0)
{
//Console.WriteLine("There are no items to synchronize.");
Console.WriteLine("--------");
}
// Otherwise, write all the changes included in the response
// to the console.
else
{
foreach (ItemChange ic in ItemChangeCollection)
{
//Console.WriteLine("ItemChange.ChangeType: " + ic.ChangeType.ToString());
//Console.WriteLine("ItemChange.ItemId: " + ic.ItemId.UniqueId);
//Console.WriteLine("--------");
using (var ctx = new demoEntities())
{
var std = new SyncState()
{
//save
};
ctx.SyncStates.Add(std);
ctx.SaveChanges();
}
}
}
// Determine whether more changes are available on the server.
moreChangesAvailable = ItemChangeCollection.MoreChangesAvailable;
// Send the ItemChangeCollection to ProcessItems to actually retrieve the messages and changes.
ProcessItems(ItemChangeCollection);
}
while (moreChangesAvailable);
Console.WriteLine("Finished content sync on the following folder");
Console.WriteLine("FolderId: {0}", rootSyncFolder);
Console.WriteLine("--------");
return cSyncState;
}
static string ItemIdSearch(string Id, string subject, DateTime sent)
{
ItemView view = new ItemView(1000);
//List<SearchFilter> searchANDFilterCollection = new List<SearchFilter>();
//////searchANDFilterCollection.Add(new SearchFilter.IsEqualTo(EmailMessageSchema., ".Note.Exchange"));
////searchANDFilterCollection.Add(new SearchFilter.ContainsSubstring(EmailMessageSchema.Subject, subject));
////searchANDFilterCollection.Add(new SearchFilter.IsEqualTo(AppointmentSchema.MeetingRequestWasSent,true));
////searchANDFilterCollection.Add(new SearchFilter.IsGreaterThanOrEqualTo(EmailMessageSchema.DateTimeSent, sent));
////searchANDFilterCollection.Add(new SearchFilter.IsLessThanOrEqualTo(EmailMessageSchema.DateTimeSent, sent.AddHours(24)));
string id = string.Empty;
// SearchFilter searchANDFilter = new SearchFilter.SearchFilterCollection(LogicalOperator.And, searchANDFilterCollection.ToArray());
var results = service.FindItems(WellKnownFolderName.Calendar, view);
foreach (var item in results)
{
var synstatesid = dbContext.Set<SyncState>().ToList().Where(x => x.SyncString == ContentsSyncState && x.Id == item.Id.UniqueId && x.IsFolder == false)
.OrderByDescending(x => x.Id).FirstOrDefault();
if (synstatesid != null)
id = synstatesid.EWSId;
}
return id;
}
private CalendarFolder FindNamedCalendarFolder(string name)
{
FolderView view = new FolderView(100);
view.PropertySet = new PropertySet(BasePropertySet.IdOnly);
view.PropertySet.Add(FolderSchema.DisplayName);
view.Traversal = FolderTraversal.Deep;
SearchFilter sfSearchFilter = new SearchFilter.IsEqualTo(FolderSchema.FolderClass, "1ppointment");
FindFoldersResults findFolderResults = service.FindFolders(WellKnownFolderName.Root, sfSearchFilter, view);
return findFolderResults.Where(f => f.DisplayName == name).Cast<CalendarFolder>().FirstOrDefault();
}
static void ESave(string ItemId, string type = "email")
{
if (type == "email")
{
var msg = Item.Bind(service, ItemId);
using (var ctx = new EWS_DemoEntities())
{
var std = new EmailMessasge()
{
///asave
};
ctx.EmailMessasges.Add(std);
ctx.SaveChanges();
}
}
else
{
Appointment met = Appointment.Bind(service, ItemId);
using (var ctx = new demoEntities())
{
var std = new Meeting()
{
// save
};
ctx.Meetings.Add(std);
ctx.SaveChanges();
}
}
}
// Get the items and changes in the root folder.
static void ProcessItems(ChangeCollection<ItemChange> icc)
{
// Create a variable for all the new items in the ItemChangeCollection.
var newItems = from ic in icc
where ic.ChangeType == ChangeType.Create
select ic.Item;
// Get the properties for each item, so that they can be created on the client.
foreach (var item in newItems)
{
service.LoadPropertiesForItems(newItems, PropertySet.FirstClassProperties);
//Console.WriteLine("New item, all properties loaded");
//Console.WriteLine("Subject: {0}", item.Subject);
//Console.WriteLine("ParentFolderId: {0}", item.ParentFolderId);
//Console.WriteLine("DateTimeCreated: {0}", item.DateTimeCreated);
//Console.WriteLine("--------");
// TODO: Create the messages on the client by using the properties
// returned from LoadPropertiesForItems.
string fid = ItemIdSearch(item.Id.UniqueId, "test", new DateTime(2018, 03, 14));
if (!string.IsNullOrEmpty(fid))
{
Save(fid);
}
}
// Create a variable for all the deleted items in the ItemChangeCollection.
var deleteItems = from ic in icc
where ic.ChangeType == ChangeType.Delete
select ic.ItemId;
// Display the ItemIds to be deleted on the client.
foreach (var item in deleteItems)
{
Console.WriteLine("Delete ItemId: {0}", item);
Console.WriteLine("--------");
// TODO: Delete messages on the client by using the ItemIds in deleteItems.
}
// Create a variable for all the items with read state changes in the ItemChangeCollection.
var readFlagChangeItems = from ic in icc
where ic.ChangeType == ChangeType.ReadFlagChange
select ic.ItemId;
// Display the ItemIds that have read state changes.
foreach (var item in readFlagChangeItems)
{
//Console.WriteLine("Read flag change to ItemId: {0}", item);
//Console.WriteLine("--------");
// TODO: Change the read state of the item saved on the client
// by using the ItemIds in readFlagChangeItems.
string fid = ItemIdSearch(item.UniqueId, "ouu", new DateTime(2018, 03, 14));
if (!string.IsNullOrEmpty(fid))
{
save(fid);
}
}
// Create a variable for all the updated items in the ItemChangeCollection.
var updateItems = from ic in icc
where ic.ChangeType == ChangeType.Update
select ic.Item;
// Display the subject for each updated item.
foreach (var item in updateItems)
{
service.LoadPropertiesForItems(updateItems, PropertySet.FirstClassProperties);
//Console.WriteLine("Updated item, all properties loaded");
//Console.WriteLine("Subject: {0}", item.Subject);
//Console.WriteLine("ParentFolderId: {0}", item.ParentFolderId);
//Console.WriteLine("DateTimeCreated: {0}", item.DateTimeCreated);
//Console.WriteLine("--------");
// TODO: Compare the properties retrieved from LoadPropertiesForItems to the
// properties on the client and update the client properties accordingly.
string fid = ItemIdSearch(item.Id.UniqueId, "ouu", new DateTime(2018, 03, 14));
if (!string.IsNullOrEmpty(fid))
{
save(fid);
}
}
}
// Get the folder changes in the root folder.
static void ProcessFolders(ChangeCollection<FolderChange> fcc)
{
// Create a variable for all the new folders in the FolderChange ChangeCollection.
var newFolders = from fc in fcc
where fc.ChangeType == ChangeType.Create
select fc.FolderId;
// Get the properties for each folder, so that they can be created on the client.
foreach (var item in newFolders)
{
Folder newFolder = new Folder(service);
newFolder = Folder.Bind(service, item);
newFolder.Load();
//Console.WriteLine("New folder, all properties loaded");
//Console.WriteLine("Display name: {0}", newFolder.DisplayName);
//Console.WriteLine("Parent Folder Id: {0}", newFolder.ParentFolderId);
//Console.WriteLine("--------");
// TODO: Create the folder on the client by using the properties
// returned from Load.
// Call SyncContents and SetStreamingNotifications on the new child folders.
string ccSyncState = SyncContents(service, null, newFolder.Id);
//SetStreamingNotifications(service, ccSyncState, newFolder.Id);
}
// Create a variable for all the deleted folders in the FolderChange ChangeCollection.
var deleteFolders = from fc in fcc
where fc.ChangeType == ChangeType.Delete
select fc.FolderId;
// Display the FolderIds to be deleted on the client.
foreach (var item in deleteFolders)
{
Console.WriteLine("Delete FolderId: {0}", item);
Console.WriteLine("--------");
// TODO: Delete messages on the client by using the FolderIds in deleteFolders.
}
// Create a variable for all the updated folders in the FolderChange ChangeCollection.
var updateFolders = from fc in fcc
where fc.ChangeType == ChangeType.Update
select fc.Folder;
// Display the display name for each updated folder.
foreach (var item in updateFolders)
{
Folder folder = Folder.Bind(service, item.Id);
folder.Load();
//Console.WriteLine("Updated folder, all properties loaded.");
//Console.WriteLine("Parent Folder Id: {0}", item.ParentFolderId);
//Console.WriteLine("Display name: {0}", item.DisplayName);
//Console.WriteLine("--------");
// TODO: Compare the properties retrieved from Load to the
// properties on the client and update the client properties accordingly.
}
}
// When the subscription connection expires, determine whether the subscription should be kept open.
static private void OnDisconnect(object sender, SubscriptionErrorEventArgs args)
{
// Cast the sender as a StreamingSubscriptionConnection object.
StreamingSubscriptionConnection connection = (StreamingSubscriptionConnection)sender;
// Ask the user if they want to reconnect or close the subscription.
ConsoleKeyInfo cki;
Console.WriteLine("The StreamingSubscriptionConnection has expired.");
Console.WriteLine("\r\n");
Console.WriteLine("Do you want to reconnect to the subscription? Enter Y or N");
Console.WriteLine("\r\n");
while (true)
{
cki = Console.ReadKey(true);
{
if (cki.Key == ConsoleKey.Y)
{
connection.Open();
Console.WriteLine("Connection open.");
Console.WriteLine("\r\n");
break;
}
else if (cki.Key == ConsoleKey.N)
{
Signal.Set();
// Unsubscribe from the notification subscription.
StreamingSubscription.Unsubscribe();
// Close the connection.
connection.Close();
break;
}
}
}
}
// Catch and display notification events.
static void OnNotificationEvent(object sender, NotificationEventArgs args)
{
bool callSyncContents = false;
bool callSyncFolders = false;
StreamingSubscription subscription = args.Subscription;
// Loop through all item-related events.
foreach (NotificationEvent notification in args.Events)
{
switch (notification.EventType)
{
case EventType.NewMail:
Console.WriteLine("Notification: New mail created");
break;
case EventType.Created:
Console.WriteLine("Notification: Item or folder created");
break;
case EventType.Deleted:
Console.WriteLine("Notification: Item or folder deleted");
break;
case EventType.Modified:
Console.WriteLine("Notification: Item or folder modified");
break;
case EventType.Moved:
Console.WriteLine("Notification: Item or folder moved");
break;
case EventType.Copied:
Console.WriteLine("Notification: Item or folder copied");
break;
}
// Display the notification identifier.
if (notification is ItemEvent)
{
ItemEvent itemEvent = (ItemEvent)notification;
Console.WriteLine("Notification ItemId: " + itemEvent.ItemId.UniqueId);
Console.WriteLine("--------");
callSyncContents = true;
}
else
{
FolderEvent folderEvent = (FolderEvent)notification;
Console.WriteLine("Notification FolderId: " + folderEvent.FolderId.UniqueId);
Console.WriteLine("--------");
callSyncFolders = true;
}
}
// Delay calling SyncContents and SyncFolders until all notifications have been processed.
// This will reduce the number of calls to the Exchange database by batching more changes
// into a single sync call.
if (callSyncContents == true)
{
ContentsSyncState = SyncContents(service, ContentsSyncState, RootSyncFolder);
}
if (callSyncFolders == true)
{
FolderSyncState = SyncFolders(service, FolderSyncState, RootSyncFolder);
}
}
// Synchronize the folders in the specified root folder.
static string SyncFolders(ExchangeService service, string FolderSyncState, FolderId rootSyncFolder)
{
//Console.WriteLine("Starting folder sync on the following folder");
//Console.WriteLine("FolderId: {0}", rootSyncFolder);
//Console.WriteLine("--------");
// Get a list of all folders under the rootSyncFolder by calling SyncFolderHierarchy.
// The folderId parameter is the root folder to synchronize.
// The propertySet parameter is set to IdOnly to reduce calls to the Exchange database,
// because any additional properties result in another call to the Exchange database.
// The syncState parameter is set to the folder sync state. When this method is called
// on a new or empty mailbox, the value is null. If the method has been called before,
// the FolderSyncState value contains the value previously returned by the server.
FolderChangeCollection = service.SyncFolderHierarchy(rootSyncFolder, PropertySet.IdOnly, FolderSyncState);
// Save the sync state for use in future SyncFolderItems requests.
// The sync state is used by the server to determine what changes to report
// to the client.
FolderSyncState = FolderChangeCollection.SyncState;
// If the count of changes is zero, there are no changes to synchronize.
if (FolderChangeCollection.Count == 0)
{
//Console.WriteLine("There are no new folders to synchronize.");
//Console.WriteLine("--------");
}
// Otherwise, write all the changes included in the response
// to the console.
// For the initial synchronization, all the changes will be of type
// ChangeType.Create.
else
{
foreach (FolderChange fc in FolderChangeCollection)
{
//Console.WriteLine("FolderChange.ChangeType: " + fc.ChangeType.ToString());
//Console.WriteLine("FolderChange.FolderId: " + fc.FolderId);
//Console.WriteLine("--------");
using (var ctx = new DemoEntities())
{
var std = new SyncState()
{
//save
};
ctx.SyncStates.Add(std);
ctx.SaveChanges();
}
}
}
// Send the FolderChangeCollection to ProcessItems to actually retrieve the messages and changes.
ProcessFolders(FolderChangeCollection);
//Console.WriteLine("Finished folder sync on the following folder");
//Console.WriteLine("FolderId: {0}", rootSyncFolder);
//Console.WriteLine("--------");
return FolderSyncState;
}
//Subscribe to streaming notifications for all folder and item events in the root folder.
static StreamingSubscription SetStreamingNotifications(ExchangeService service, string cSyncState, FolderId rootSyncFolder)
{
// Subscribe to streaming notifications on the rootSyncFolder and listen
// for events.
StreamingSubscription = service.SubscribeToStreamingNotifications(
new FolderId[] { rootSyncFolder },
EventType.NewMail,
EventType.Created,
EventType.Deleted,
EventType.Modified,
EventType.Moved,
EventType.Copied
);
StreamingSubscriptionConnection connection = new StreamingSubscriptionConnection(service, WaitTime);
connection.AddSubscription(StreamingSubscription);
connection.OnNotificationEvent += OnNotificationEvent;
connection.OnDisconnect += OnDisconnect;
connection.Open();
Console.WriteLine("Now waiting for notifications on the following folder");
Console.WriteLine("FolderId: {0}", rootSyncFolder);
Console.WriteLine("--------");
return StreamingSubscription;
}
//Subscribe to streaming notifications for all folder and item events in the root folder.
static PullSubscription SetPullNotifications(ExchangeService service, string watermark, FolderId rootSyncFolder)
{
// Subscribe to streaming notifications on the rootSyncFolder and listen
// for events.
PullAgain:
PullSubscription = service.SubscribeToPullNotifications(
new FolderId[] { rootSyncFolder }, WaitTime, watermark,
EventType.NewMail,
EventType.Created,
EventType.Deleted,
EventType.Modified,
EventType.Moved,
EventType.Copied
);
var events = PullSubscription.GetEvents();
PullSubscriptionId = PullSubscription.Id;
if (WaterMark != PullSubscription.Watermark)
{
WaterMark = PullSubscription.Watermark;
goto PullAgain;
}
if (events.ItemEvents.Count() > 0)
{
// Handle the results of the GetEvents method.
foreach (ItemEvent itemEvent in events.ItemEvents)
{
switch (itemEvent.EventType)
{
case EventType.NewMail:
EmailMessage message = EmailMessage.Bind(service, itemEvent.ItemId);
message.Load();
Console.WriteLine("Item new mail: " + message.Subject);
//Console.WriteLine("Item Id:" + message.Id);
break;
case EventType.Created:
Item item = Item.Bind(service, itemEvent.ItemId);
item.Load();
Console.WriteLine("Item Created: " + item.Subject);
// Console.WriteLine("Item Id:" + item.Id);
break;
case EventType.Deleted:
Item d = Item.Bind(service, itemEvent.ItemId);
d.Load();
Console.WriteLine("Item deleted: " + d.Subject);
break;
case EventType.Moved:
Item d1 = Item.Bind(service, itemEvent.ItemId);
d1.Load();
Console.WriteLine("Item deleted: " + d1.Subject);
break;
case EventType.Modified:
Item tem = Item.Bind(service, itemEvent.ItemId);
tem.Load();
Console.WriteLine("Item Modified: " + tem.Subject);
// Console.WriteLine("Item Id:" + tem.Id);
break;
}
}
}
else
{
Console.WriteLine("No Events");
}
NoEvents:
Console.WriteLine("Now waiting for pull notifications on the following folder");
Console.WriteLine("FolderId: {0}", rootSyncFolder);
Console.WriteLine("--------");
return PullSubscription;
}
// Catch and display errors.
static void OnError(object sender, SubscriptionErrorEventArgs args)
{
// Handle error conditions.
Exception e = args.Exception;
Console.WriteLine("\n-------------Error ---" + e.Message + "-------------");
}
}
}
