/// <summary>
/// In the specified directory <paramref name="folder"/>, finds all items <see cref="Exchange.Item"/>,
/// that match the filter <paramref name="filter"/>, and returns them collection. In the object
/// <paramref name="view"/> fixed number of read items in the catalog.
/// </summary>
/// <param name="folder">Exchange folder.</param>
/// <param name="filter">Search filter.</param>
/// <param name="view">Settings view in the directory search operation.</param>
/// <returns>Items collection<see cref="Exchange.Item"/>.
/// </returns>
public static Exchange.FindItemsResults <Exchange.Item> ReadItems(this Exchange.Folder folder,
Exchange.SearchFilter filter, Exchange.ItemView view)
{
Exchange.FindItemsResults <Exchange.Item> result =
filter == null?folder.FindItems(view) : folder.FindItems(filter, view);
view.Offset = result.NextPageOffset ?? 0;
return(result);
}
/// <summary>
/// <see cref="ExchangeSyncProvider.EnumerateChanges"/>
/// </summary>
public override IEnumerable <IRemoteItem> EnumerateChanges(SyncContext context)
{
base.EnumerateChanges(context);
var result = new List <IRemoteItem>();
if (!UserSettings.ImportActivities)
{
return(result);
}
var folders = new List <Exchange.Folder>();
Exchange.FolderId trashFolderId = Exchange.Folder.Bind(
Service, Exchange.WellKnownFolderName.DeletedItems, Exchange.BasePropertySet.IdOnly).Id;
if (UserSettings.ImportActivitiesAll)
{
Exchange.Folder rootFolder = Exchange.Folder.Bind(Service, Exchange.WellKnownFolderName.MsgFolderRoot);
folders.GetAllFoldersByFilter(rootFolder);
folders.Add(rootFolder);
}
else
{
folders = SafeBindFolders(Service, UserSettings.RemoteFolderUIds.Keys, context);
}
Exchange.SearchFilter itemsFilter = GetItemsSearchFilters();
SyncItemSchema schema = FindSchemaBySyncValueName(typeof(ExchangeTask).Name);
foreach (Exchange.Folder folder in folders)
{
if (folder.Id.Equals(trashFolderId))
{
continue;
}
var itemView = new Exchange.ItemView(PageItemCount);
Exchange.FindItemsResults <Exchange.Item> itemCollection;
do
{
itemCollection = folder.ReadItems(itemsFilter, itemView);
foreach (Exchange.Item item in itemCollection)
{
Exchange.Task task = ExchangeUtility.SafeBindItem <Exchange.Task>(Service, item.Id);
if (task != null)
{
var remoteItem = new ExchangeTask(schema, task, TimeZone);
result.Add(remoteItem);
}
}
} while (itemCollection.MoreAvailable);
}
return(result);
}
/// <summary>
/// Gets filters for Exchange data query.
/// </summary>
/// <returns>Filter instance.</returns>
private Exchange.SearchFilter GetItemsSearchFilters(SyncContext context = null)
{
Exchange.SearchFilter filter = null;
DateTime lastSyncDateUtc = TimeZoneInfo.ConvertTimeToUtc(UserSettings.LastSyncDate, TimeZone);
DateTime importActivitiesFromDate = UserSettings.ImportActivitiesFrom;
context?.LogInfo(SyncAction.None, SyncDirection.Download, "lastSyncDateUtc = {0}, importActivitiesFromDate = {1}",
lastSyncDateUtc, importActivitiesFromDate);
if (lastSyncDateUtc != DateTime.MinValue && UserSettings.ImportActivitiesFrom != DateTime.MinValue)
{
var lastSyncDateUtcFilter = new Exchange.SearchFilter.IsGreaterThan(
Exchange.ItemSchema.LastModifiedTime, lastSyncDateUtc.ToLocalTime());
var filterCollection = new Exchange.SearchFilter.SearchFilterCollection(Exchange.LogicalOperator.Or);
var customPropSetFilter = new Exchange.SearchFilter.Exists(ExchangeUtilityImpl.LocalIdProperty);
var notCustomPropSetFilter = new Exchange.SearchFilter.Not(customPropSetFilter);
filterCollection.AddRange(new List <Exchange.SearchFilter> {
lastSyncDateUtcFilter,
notCustomPropSetFilter
});
if (context != null && GetExchangeRecurringAppointmentsSupported(context.UserConnection))
{
return(filterCollection);
}
var allFilterCollection = new Exchange.SearchFilter.SearchFilterCollection(Exchange.LogicalOperator.And);
var importActivitiesFromDateFilter = new Exchange.SearchFilter.IsGreaterThanOrEqualTo(
Exchange.AppointmentSchema.Start, importActivitiesFromDate);
allFilterCollection.AddRange(new List <Exchange.SearchFilter> {
importActivitiesFromDateFilter,
filterCollection
});
filter = allFilterCollection;
}
else if (lastSyncDateUtc != DateTime.MinValue && UserSettings.ImportActivitiesFrom == DateTime.MinValue)
{
filter = new Exchange.SearchFilter.IsGreaterThan(
Exchange.ItemSchema.LastModifiedTime, lastSyncDateUtc.ToLocalTime());
}
else if (lastSyncDateUtc == DateTime.MinValue && UserSettings.ImportActivitiesFrom != DateTime.MinValue)
{
filter = new Exchange.SearchFilter.IsGreaterThanOrEqualTo(
Exchange.AppointmentSchema.Start, importActivitiesFromDate);
}
return(filter);
}
/// <summary>
/// Returns all items by <paramref name="filter"/> from <paramref name="folder"/>. Recurring apointments not included.
/// </summary>
/// <param name="folder"><see cref=" Exchange.Folder"/> instance.</param>
/// <param name="filter"><see cref=" Exchange.SearchFilter"/> instance.</param>
/// <returns><see cref="Exchange.Item"/> collection.</returns>
protected IEnumerable <Exchange.Item> GetCalendarItems(Exchange.Folder folder, Exchange.SearchFilter filter)
{
var itemView = new Exchange.ItemView(PageItemCount);
Exchange.FindItemsResults <Exchange.Item> itemCollection;
do
{
itemCollection = folder.ReadItems(filter, itemView);
foreach (var item in itemCollection)
{
yield return(item);
}
} while (itemCollection.MoreAvailable);
}
/// <summary>
/// Tries to read element from XML.
/// </summary>
/// <param name="reader">The reader.</param>
/// <returns>True if element was read.</returns>
internal override bool TryReadElementFromXml(EwsServiceXmlReader reader)
{
this.searchFilter = SearchFilter.LoadFromXml(reader);
return true;
}
private List<Item> GetItems(ExchangeService service, SearchFilter filter, WellKnownFolderName folder, PropertySet propertySet)
{
if (service == null)
{
return null;
}
List<Item> items = new List<Item>();
if (propertySet == null)
{
propertySet = new PropertySet(BasePropertySet.IdOnly);
}
const Int32 pageSize = 50;
ItemView itemView = new ItemView(pageSize);
itemView.PropertySet = propertySet;
FindItemsResults<Item> searchResults = null;
try
{
do
{
searchResults = service.FindItems(folder,
filter, itemView);
items.AddRange(searchResults.Items);
itemView.Offset += pageSize;
} while (searchResults.MoreAvailable);
}
catch (Exception ex)
{
NotifyDownloadStatus(DownloadStatus.INFORM, ex.Message);
return null;
}
return items;
}
private List<Item> GetItems(ExchangeService service, SearchFilter filter, WellKnownFolderName folder, PropertySet propertySet)
{
if (service == null)
{
return null;
}
List<Item> items = new List<Item>();
if (propertySet == null)
{
propertySet = new PropertySet(BasePropertySet.IdOnly);
}
const Int32 pageSize = 50;
ItemView itemView = new ItemView(pageSize);
itemView.PropertySet = propertySet;
FindItemsResults<Item> searchResults = null;
try
{
do
{
searchResults = service.FindItems(folder,
filter, itemView);
items.AddRange(searchResults.Items);
itemView.Offset += pageSize;
} while (searchResults.MoreAvailable);
}
catch (Exception ex)
{
if (!CheckServerConnection(domain))
{
NotifyDownloadStatus(DownloadStatus.INFORM, "Unable to connect to Exchange server. Please check.");
}
else
{
NotifyDownloadStatus(DownloadStatus.INFORM, "The username or password is incorrect. Please try again.");
}
return null;
}
return items;
}
/// <summary>
/// Initializes a new instance of the <see cref="Not"/> class.
/// </summary>
/// <param name="searchFilter">The search filter to negate. Available search filter classes include SearchFilter.IsEqualTo, SearchFilter.ContainsSubstring and SearchFilter.SearchFilterCollection.</param>
public Not(SearchFilter searchFilter)
: base()
{
this.searchFilter = searchFilter;
}
/// <summary>
/// Initializes a new instance of the <see cref="SeekToConditionItemView"/> class.
/// </summary>
/// <param name="condition">Condition to be used when seeking.</param>
/// <param name="pageSize">The maximum number of elements the search operation should return.</param>
/// <param name="offsetBasePoint">The base point of the offset.</param>
public SeekToConditionItemView(
SearchFilter condition,
int pageSize,
OffsetBasePoint offsetBasePoint)
: this(condition, pageSize)
{
this.OffsetBasePoint = offsetBasePoint;
}
private List<Item> GetItems(ExchangeService service, SearchFilter filter, WellKnownFolderName folder, PropertySet propertySet)
{
if (service == null)
{
return null;
}
List<Item> items = new List<Item>();
if (propertySet == null)
{
propertySet = new PropertySet(BasePropertySet.IdOnly);
}
const Int32 pageSize = 50;
ItemView itemView = new ItemView(pageSize);
itemView.PropertySet = propertySet;
FindItemsResults<Item> searchResults = null;
try
{
do
{
searchResults = service.FindItems(folder,
filter, itemView);
items.AddRange(searchResults.Items);
itemView.Offset += pageSize;
} while (searchResults.MoreAvailable);
}
catch (Exception ex)
{
if (!CheckServerConnection(domain))
{
NotifyDownloadStatus(DownloadStatus.INFORM, CMController.Properties.Resources.unconnect_exchange_server);
return null;
}
else
{
NotifyDownloadStatus(DownloadStatus.INFORM, CMController.Properties.Resources.wrong_username_password);
return null;
}
}
return items;
}
internal override void LoadFromJson(JsonObject jsonProperty, ExchangeService service)
{
this.searchFilter = SearchFilter.LoadSearchFilterFromJson(jsonProperty.ReadAsJsonObject(XmlElementNames.Item), service);
}
/// <summary>
/// Tries to read element from XML.
/// </summary>
/// <param name="reader">The reader.</param>
/// <returns>True if element was read.</returns>
internal override bool TryReadElementFromXml(EwsServiceXmlReader reader)
{
this.searchFilter = SearchFilter.LoadFromXml(reader);
return(true);
}
/// <summary>
/// In the specified directory <paramref name="folder"/> searches for all subdirectories
/// that match the specified filter <paramref name="filter"/> and returns them to the collection <paramref name="list"/>.
/// </summary>
/// <param name="list">Filtered Exchange Server catalog collection.</param>
/// <param name="folder">The directory from which the recursive search is performed.</param>
/// <param name="filter">Search filter.</param>
public static void GetAllFoldersByFilter(this List <Exchange.Folder> list, Exchange.Folder folder, Exchange.SearchFilter filter = null)
{
if (folder.ChildFolderCount > 0 && list != null)
{
Exchange.FindFoldersResults searchedFolders;
var folderView = new Exchange.FolderView(folder.ChildFolderCount);
if (filter != null)
{
searchedFolders = folder.FindFolders(filter, folderView);
}
else
{
searchedFolders = folder.FindFolders(folderView);
}
list.AddRange(searchedFolders);
foreach (Exchange.Folder findFoldersResult in searchedFolders)
{
list.GetAllFoldersByFilter(findFoldersResult, filter);
}
}
}
/// <summary>
/// <see cref="ExchangeSyncProvider.EnumerateChanges"/>
/// </summary>
public override IEnumerable <IRemoteItem> EnumerateChanges(SyncContext context)
{
base.EnumerateChanges(context);
FillFoldersList(context);
var result = new List <IRemoteItem>();
if (!UserSettings.ImportActivities)
{
return(result);
}
Exchange.SearchFilter itemsFilter = GetItemsSearchFilters(context);
SyncItemSchema schema = FindSchemaBySyncValueName(typeof(ExchangeAppointment).Name);
var needGetRecurringAppointments = NeedGetRecurringAppointments(context);
Exchange.PropertySet properties = new Exchange.PropertySet(Exchange.BasePropertySet.IdOnly);
properties.AddRange(new[] {
Exchange.ItemSchema.Subject,
Exchange.ItemSchema.LastModifiedTime,
Exchange.AppointmentSchema.Recurrence,
Exchange.AppointmentSchema.IsRecurring,
Exchange.AppointmentSchema.AppointmentType,
Exchange.AppointmentSchema.ICalUid,
Exchange.AppointmentSchema.ICalRecurrenceId,
Exchange.AppointmentSchema.Start
});
foreach (Exchange.Folder folder in Folders)
{
bool hasRecurence = false;
if (!needGetRecurringAppointments)
{
foreach (Exchange.Item item in GetCalendarItems(folder, itemsFilter))
{
Exchange.Appointment appointment = ExchangeUtility.SafeBindItem <Exchange.Appointment>(Service, item.Id, properties);
if (appointment != null)
{
var recurentAppointment = GetExchangeRecurringAppointmentsSupported(context.UserConnection) && appointment.Recurrence != null;
var isRecurringMaster = appointment.AppointmentType == Exchange.AppointmentType.RecurringMaster;
if ((!recurentAppointment || isRecurringMaster) && CheckItemInSyncPeriod(context, appointment))
{
context?.LogInfo(SyncAction.None, SyncDirection.Download, "Adding single or master appoitment {0}", appointment.Subject);
var remoteItem = CreateExchangeAppointment(schema, appointment, TimeZone);
context?.LogInfo(SyncAction.None, SyncDirection.Download, "Created ExchangeAppointment with Id {0}", remoteItem.Id);
if (isRecurringMaster)
{
context?.LogInfo(SyncAction.None, SyncDirection.Download, "Adding master appoitment {0}", appointment.Subject);
remoteItem.Action = SyncAction.CreateRecurringMaster;
}
result.Add(remoteItem);
}
hasRecurence = hasRecurence || recurentAppointment;
}
}
}
if (hasRecurence || needGetRecurringAppointments)
{
foreach (Exchange.Item item in GetAppointmentsForPeriod(context, folder))
{
context?.LogInfo(SyncAction.None, SyncDirection.Download, "Input item - Subject {0}, UniqueId - {1}", item.Subject, item.Id.UniqueId);
Exchange.Appointment appointment = ExchangeUtility.SafeBindItem <Exchange.Appointment>(Service, item.Id, properties);
context?.LogInfo(SyncAction.None, SyncDirection.Download, "Adding recurence appoitment {0}", appointment.Subject);
if (appointment != null)
{
var remoteItem = CreateExchangeAppointment(schema, appointment, TimeZone);
context?.LogInfo(SyncAction.None, SyncDirection.Download, "Created recurence ExchangeAppointment with Id {0}", remoteItem.Id);
result.Add(remoteItem);
}
}
}
}
context?.LogInfo(SyncAction.None, SyncDirection.Download, "loaded {0} items from Exchange", result.Count);
return(result);
}
private List<MailItem> SearchSubFolders(ExchangeService service,
WellKnownFolderName parentFolder,
MailSearchContainerNameList subFolderNames,
string mailBoxName,
SearchFilter.SearchFilterCollection searchFilters)
{
var result = new List<MailItem>();
try
{
var subFolders = FindSubFolders(service,
parentFolder,
subFolderNames);
if (subFolders == null || subFolders.Count() <= 0) return result;
var itemView = new ItemView(VIEW_SIZE);
itemView.PropertySet = new PropertySet {ItemSchema.Id,
ItemSchema.HasAttachments,
ItemSchema.Subject,
ItemSchema.Body};
foreach (var subFolder in subFolders)
{
var matches = service.FindItems(subFolder.Id, searchFilters, itemView);
AddItems(service, matches, result,mailBoxName,subFolder.DisplayName);
}
}
catch (Exception ex)
{
//Ignore
Debug.WriteLine(string.Format("Error encountered searching subfolders: {0}\n {1}", ex.ToString(), ex.StackTrace.ToString()));
}
return result;
}
private List<MailItem> SearchSharedMailBoxes(ExchangeService service,
ItemView view,
SearchFilter.SearchFilterCollection searchFilters,
MailSearchContainerNameList mailBoxNames,
string mailDomain,
string searchTerm)
{
var result = new List<MailItem>();
if (mailBoxNames == null
|| mailBoxNames.Count <= 0 ) return result;
foreach (var mailBoxName in mailBoxNames)
{
try
{
var fullyQualifiedMailboxName = String.Format("{0}@{1}", mailBoxName, mailDomain);
Mailbox mb = new Mailbox(fullyQualifiedMailboxName);
FolderId fid1 = new FolderId(WellKnownFolderName.Inbox, mb);
var rootFolder = Folder.Bind(service, fid1);
var items = rootFolder.FindItems(view);
service.LoadPropertiesForItems(items, new PropertySet { ItemSchema.Attachments, ItemSchema.HasAttachments });
var matches = service.FindItems(fid1, searchFilters, view);
AddItems(service, matches, result, fullyQualifiedMailboxName, "InBox");
}
catch (ServiceResponseException)
{
//Ignore this indicates the user has no access to the mail box.
Debug.WriteLine(String.Format("Trouble accessing mailbox {0} assuming no access.", mailBoxName));
}
}
return result;
}
private List<MailItem> SearchMailFolders(ExchangeService service,
ItemView view,
SearchFilter.SearchFilterCollection searchFilters,
MailSearchContainerNameList mailFolderNames,
string searchTerm)
{
var result = new List<MailItem>();
if (mailFolderNames == null
|| mailFolderNames.Count <= 0) return result;
var personalFolderMatches = SearchSubFolders(service,
WellKnownFolderName.MsgFolderRoot,
mailFolderNames,
"personal mailbox",
searchFilters);
var publicFolderMatches = SearchSubFolders(service,
WellKnownFolderName.MsgFolderRoot,
mailFolderNames,
"public folders",
searchFilters);
if (personalFolderMatches != null) result.AddRange(personalFolderMatches);
if (publicFolderMatches != null) result.AddRange(publicFolderMatches);
return result;
}
/// <summary>
/// Initializes a new instance of the <see cref="SeekToConditionItemView"/> class.
/// </summary>
/// <param name="condition">Condition to be used when seeking.</param>
/// <param name="pageSize">The maximum number of elements the search operation should return.</param>
public SeekToConditionItemView(SearchFilter condition, int pageSize)
{
this.Condition = condition;
this.PageSize = pageSize;
this.serviceObjType = ServiceObjectType.Item;
}
/// <summary>
/// Obtains a list of folders by searching the sub-folders of this folder. Calling this method results in a call to EWS.
/// </summary>
/// <param name="searchFilter">The search filter. Available search filter classes
/// include SearchFilter.IsEqualTo, SearchFilter.ContainsSubstring and
/// SearchFilter.SearchFilterCollection</param>
/// <param name="view">The view controlling the number of folders returned.</param>
/// <returns>An object representing the results of the search operation.</returns>
public FindFoldersResults FindFolders(SearchFilter searchFilter, FolderView view)
{
this.ThrowIfThisIsNew();
return(this.Service.FindFolders(this.Id, searchFilter, view));
}
/// <summary>
/// In the specified directory <paramref name="folder"/> searches for all subdirectories
/// that match the specified filter <paramref name="filter"/> with the corresponding class <paramref name="className"/>
/// and returns them to the collection <paramref name="list"/>.
/// </summary>
/// <param name="list">Filtered Exchange Server catalog collection.</param>
/// <param name="folder">The directory from which the recursive search is performed.</param>
/// <param name="className">Class name for search.</param>
/// <param name="filter">Search filter.</param>
public static void GetAllFoldersByClass(this List <Exchange.Folder> list, Exchange.Folder folder, string className, Exchange.SearchFilter filter)
{
if (folder.ChildFolderCount > 0 && list != null)
{
Exchange.FindFoldersResults childFolders;
var folderView = new Exchange.FolderView(folder.ChildFolderCount);
if (filter == null)
{
childFolders = folder.FindFolders(folderView);
}
else
{
childFolders = folder.FindFolders(filter, folderView);
}
foreach (Exchange.Folder childFolder in childFolders)
{
if (childFolder.FolderClass == className)
{
list.Add(childFolder);
}
list.GetAllFoldersByClass(childFolder, className, filter);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="SeekToConditionItemView"/> class.
/// </summary>
/// <param name="condition">Condition to be used when seeking.</param>
/// <param name="pageSize">The maximum number of elements the search operation should return.</param>
public SeekToConditionItemView(SearchFilter condition, int pageSize)
{
this.Condition = condition;
this.PageSize = pageSize;
this.serviceObjType = ServiceObjectType.Item;
}
/// <summary>
/// <see cref="ExchangeSyncProvider.EnumerateChanges"/>
/// </summary>
public override IEnumerable <IRemoteItem> EnumerateChanges(SyncContext context)
{
base.EnumerateChanges(context);
var result = new List <IRemoteItem>();
if (!UserSettings.ImportContacts)
{
return(result);
}
var folders = new List <Exchange.Folder>();
if (UserSettings.ImportContactsAll)
{
Exchange.Folder rootFolder = Exchange.Folder.Bind(Service, Exchange.WellKnownFolderName.MsgFolderRoot);
var filter = new Exchange.SearchFilter.IsEqualTo(
Exchange.FolderSchema.FolderClass, ExchangeConsts.ContactFolderClassName);
folders.GetAllFoldersByFilter(rootFolder, filter);
}
else
{
folders = SafeBindFolders(Service, UserSettings.RemoteFolderUIds.Keys, context);
}
Exchange.SearchFilter itemsFilter = GetExternalItemsFiltersHandler != null
? GetExternalItemsFiltersHandler() as Exchange.SearchFilter
: GetContactsFilters();
SyncItemSchema schema = FindSchemaBySyncValueName(typeof(ExchangeContact).Name);
var exchangeAddrDetails = new List <ExchangeAddressDetail>();
var exchangeCompanies = new List <string>();
foreach (Exchange.Folder noteFolder in folders)
{
var itemView = new Exchange.ItemView(PageItemCount);
Exchange.FindItemsResults <Exchange.Item> itemCollection;
do
{
itemCollection = noteFolder.ReadItems(itemsFilter, itemView);
foreach (Exchange.Item item in itemCollection)
{
Exchange.Contact fullContact = GetFullItemHandler != null
? GetFullItemHandler(item.Id.UniqueId) as Exchange.Contact
: GetFullContact(item.Id);
if (fullContact == null)
{
continue;
}
var remoteItem = new ExchangeContact(schema, fullContact, TimeZone);
remoteItem.InitIdProperty(context);
result.Add(remoteItem);
if (!string.IsNullOrEmpty(fullContact.CompanyName))
{
exchangeCompanies.Add(fullContact.CompanyName);
}
AddAddressDetails(exchangeAddrDetails, fullContact);
}
} while (itemCollection.MoreAvailable);
}
FillAddressDetailsData(context, exchangeAddrDetails);
FillAccountsMap(context, exchangeCompanies.Distinct().ToList());
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="Not"/> class.
/// </summary>
/// <param name="searchFilter">The search filter to negate. Available search filter classes include SearchFilter.IsEqualTo, SearchFilter.ContainsSubstring and SearchFilter.SearchFilterCollection.</param>
public Not(SearchFilter searchFilter)
: base()
{
this.searchFilter = searchFilter;
}
