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Calendar.ReadCalendars Method

Gets the calendar exceptions that match the filter set.

Namespace:  [Calendar Web service]
Service reference: http://ServerName:32843/[Project Service Application GUID]/PSI/Calendar.svc
Web service reference: http://ServerName/ProjectServerName/_vti_bin/PSI/Calendar.asmx?wsdl

[SoapDocumentMethodAttribute("http://schemas.microsoft.com/office/project/server/webservices/Calendar/ReadCalendars", RequestNamespace = "http://schemas.microsoft.com/office/project/server/webservices/Calendar/", 
	ResponseNamespace = "http://schemas.microsoft.com/office/project/server/webservices/Calendar/", 
	Use = SoapBindingUse.Literal, ParameterStyle = SoapParameterStyle.Wrapped)]
public CalendarDataSet ReadCalendars(
	string filter,
	bool autoCheckOut
)

Parameters

filter
Type: System.String
A filtering XML string, as returned by Filter.
autoCheckOut
Type: System.Boolean
If True, checks out the calendar or calendars for editing.

Caution noteCaution

If the filter parameter is String.Empty, ReadCalendars returns a CalendarFilterInvalid eror in System.ServiceModel.CommunicationException.

To get a list of all enterprise calendars, use the ListCalendars() method.

The ReadCalendars method supports only calendar exceptions for enterprise calendars, not all enterprise calendar functionality in Project Server. You can get the time off for Project Server resources as calendar exceptions by using the [Resource Web service] namespace.

Work weeks in enterprise calendars are not normalized in the Published database. Work week information is stored as binary data, so there are no direct queries available to load all calendar information to a CalendarDataSet.

NoteNote

The filter parameter works with the Criteria operators to filter rows only in the primary CalendarsDataTable. For example, you cannot use filter with the ReadCalendars method to filter rows in the CalendarExceptionsDataTable. If you try to filter rows in a secondary DataTable, the PSI returns a FilterInvalid exception.

However, you can use the Fields.Add method to filter columns in the primary CalendarsDataTable and in the secondary CalendarExceptionsDataTable. For more information, see How to: Use a Filter Parameter with PSI Methods.

Project Server Permissions

Permission

Description

ManageEnterpriseCalendars

Allows a user to manage enterprise calendars. Global permission.

The following code lists the calendars, reads the existing calendar exceptions, checks out a calendar to update, adds a new exception to the calendar, and checks the calendar back in.

For information about running this code, see Prerequisites for WCF-Based Code Samples.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.ServiceModel;
using PSLibrary = Microsoft.Office.Project.Server.Library;

namespace Microsoft.SDK.Project.Samples.TestCalendars
{
  class Calendar
  {
    private static SvcCalendar.CalendarClient calendarClient;
    private static SvcResource.ResourceClient resourceClient;
    private const string OUTPUT_FILES = @"C:\Projects\Samples\Output\";
    private const string ENDPOINT = "basicHttp_Calendar";
    private const string RES_ENDPOINT = "basicHttp_Resource";
    private static string outFilePath;
    private static string outExceptionsPath;

    static void Main(string[] args)
    {
      Guid[] calendarID = new Guid[3];
      calendarID[0] = new Guid("B6635B2E-E747-4771-A78B-24F7509629D0");
      calendarID[1] = new Guid("27FB4A18-00C4-491F-9C68-5C68C2B231F2");
      calendarID[2] = new Guid("8283C310-0877-49A2-9264-29A9EDA84CED");

      try
      {
        // Use the endpoints that are defined in app.config to configure the client.
        ConfigClientEndpoints(ENDPOINT);
        SetClientEndpoints(RES_ENDPOINT);

        // If directory does not exist, create it.
        if (!Directory.Exists(OUTPUT_FILES))
        {
          Directory.CreateDirectory(OUTPUT_FILES);
        }
        
        // Assign the path where the output XML file will be saved.
        outFilePath = OUTPUT_FILES + "CalendarList.xml";
        outExceptionsPath = OUTPUT_FILES + "ExceptionsList.xml";

        // Create a dataset.
        SvcCalendar.CalendarDataSet calendarDS =
          new SvcCalendar.CalendarDataSet();
        
        // Get the list of calendars.
        calendarDS = ListOfCalendars(calendarDS);
        
        // Read calendar exceptions.
        calendarDS = ReadCalendarExceptions(calendarDS);
        
        // Get the ID of the user.
        Guid me = resourceClient.GetCurrentUserUid();
        
        // Read the calendar rows.
        calendarDS = ReadCalendarRows(calendarDS);

        bool checkedOut = false;  

        // Check whether the calendar to be updated is checked out.
        foreach (SvcCalendar.CalendarDataSet.CalendarsRow calRow in calendarDS.Calendars)
        {
          if (calRow.CAL_UID == new Guid("8283C310-0877-49A2-9264-29A9EDA84CED"))
          {
            if (calRow.IsNull("CAL_CHECKOUTBY"))
            {
              // Check out the calendar.
              calendarClient.CheckOutCalendars(new Guid[] { calRow.CAL_UID });
              checkedOut = true;
              Console.WriteLine("Calendar checked out.....");
              break;
            }
            else
            {
              // Check whether the calendar is checked out by you.
              if (calRow.CAL_CHECKOUTBY == me)
              {
                checkedOut = true;
                Console.WriteLine("The calendar is already checked out by you");
                break;
              }
              else
              {
                checkedOut = false;
                Console.WriteLine("This calendar has already been checked out");
                Console.ReadLine();
                break;
              }
            }
          }
        }

        if (checkedOut)
        {
          // Copy the calendar to a new dataset for editing.
          string tableName = calendarDS.Calendars.TableName;
          string uidColumn = calendarDS.Calendars.CAL_UIDColumn.ColumnName;
          string nameColumn = calendarDS.Calendars.CAL_NAMEColumn.ColumnName;

          PSLibrary.Filter calFilter = new PSLibrary.Filter();
          
          calFilter.FilterTableName = tableName;
          calFilter.Fields.Add(new PSLibrary.Filter.Field(
            tableName, 
            nameColumn, 
            PSLibrary.Filter.SortOrderTypeEnum.None));
          calFilter.Fields.Add(new PSLibrary.Filter.Field(uidColumn));
          PSLibrary.Filter.FieldOperator foCalendar = new PSLibrary.Filter.FieldOperator(
            PSLibrary.Filter.FieldOperationType.Equal, 
            uidColumn, 
            "8283C310-0877-49A2-9264-29A9EDA84CED");
          calFilter.Criteria = foCalendar;
          
          SvcCalendar.CalendarDataSet returnedCalendarDataSet = 
            calendarClient.ReadCalendars(calFilter.GetXml(), false);
          
          // Update the calendar.
          Guid calID = new Guid("8283C310-0877-49A2-9264-29A9EDA84CED");
          UpdateCalendarException(calID, returnedCalendarDataSet);
          Console.WriteLine("Calendar updated successfully...");
        }
        
        // Check in calendars.
        calendarClient.CheckInCalendars(new Guid[] { calendarID[2] }, true);
        Console.WriteLine("Calendar has been checked in.....");
        
        // To see the updated calendar, call the read calendar exceptions method again.
        calendarDS = ReadCalendarExceptions(calendarDS);
      }
      catch (CommunicationException e)
      {
        Console.ForegroundColor = ConsoleColor.Red;
        Console.WriteLine("\n***System.ServiceModel.CommunicationException:");
        Console.WriteLine(e.ToString());
        Console.ResetColor();
      }
      finally
      {
        Console.Write("\r\n\r\nPress any key....");
        Console.ReadKey();
      }
    }
    
    // Read the calendar rows into a dataset.
    private static SvcCalendar.CalendarDataSet ReadCalendarRows(SvcCalendar.CalendarDataSet calendarDS)
    {
      PSLibrary.Filter cfilter = new PSLibrary.Filter();

      cfilter.FilterTableName = calendarDS.Calendars.TableName;
      cfilter.Fields.Add(new PSLibrary.Filter.Field(calendarDS.Calendars.TableName,
        calendarDS.Calendars.CAL_UIDColumn.ColumnName,
        PSLibrary.Filter.SortOrderTypeEnum.None));
      cfilter.Fields.Add(new PSLibrary.Filter.Field(calendarDS.Calendars.TableName,
        calendarDS.Calendars.CAL_CHECKOUTBYColumn.ColumnName,
        PSLibrary.Filter.SortOrderTypeEnum.None));

      calendarDS = calendarClient.ReadCalendars(cfilter.GetXml(), false);
      return calendarDS;
    }
        
    // Add a new exception to the exceptions table and update the calendar.
    private static void UpdateCalendarException(Guid cID, SvcCalendar.CalendarDataSet calDS)
    {
      SvcCalendar.CalendarDataSet.CalendarExceptionsRow calendarExceptionsRow = 
        calDS.CalendarExceptions.NewCalendarExceptionsRow();

      calendarExceptionsRow.CAL_UID = cID;
      calendarExceptionsRow.Name = "Stand Up Meeting";
      calendarExceptionsRow.Start = new DateTime(2010, 2, 2);
      calendarExceptionsRow.Finish = new DateTime(2010, 2, 4);
      calendarExceptionsRow.RecurrenceFrequency = 1;
      calendarExceptionsRow.RecurrenceType = 0; // 0 implies daily recurrence.
      try
      {
        calDS.CalendarExceptions.AddCalendarExceptionsRow(calendarExceptionsRow);
        calendarClient.UpdateCalendars(calDS, false, false);
      }
      catch (Exception e)
      {
        Console.WriteLine(e.ToString());
      }
    }

    // Read the calendar exceptions.
    private static SvcCalendar.CalendarDataSet ReadCalendarExceptions(SvcCalendar.CalendarDataSet calendarDS)
    {
      PSLibrary.Filter filter = new PSLibrary.Filter();

      filter.FilterTableName = calendarDS.CalendarExceptions.TableName;
      filter.Fields.Add(new PSLibrary.Filter.Field(calendarDS.CalendarExceptions.TableName,
        calendarDS.CalendarExceptions.CAL_UIDColumn.ColumnName,
        PSLibrary.Filter.SortOrderTypeEnum.None));
      filter.Fields.Add(new PSLibrary.Filter.Field(calendarDS.CalendarExceptions.TableName,
        calendarDS.CalendarExceptions.NameColumn.ColumnName,
        PSLibrary.Filter.SortOrderTypeEnum.None));
      
      calendarDS = calendarClient.ReadCalendars(filter.GetXml(), false);
      calendarDS.WriteXml(outExceptionsPath);
      Console.WriteLine("\nSee XML output of calendar exceptions at {0}",
        outExceptionsPath);

      return calendarDS;
    }

    // Get the list of Calendars.
    private static SvcCalendar.CalendarDataSet ListOfCalendars(SvcCalendar.CalendarDataSet calendarDS)
    {
      // Get the list of calendars.
      calendarDS = calendarClient.ListCalendars();
      calendarDS.WriteXml(outFilePath);
      
      // Write the list of calendars to an XML file.
      Console.WriteLine("\nSee XML output of the CalendarDataSet at {0}",
          outFilePath);

      return calendarDS;
    }
    
    // Configure the client endpoints.
    public static void ConfigClientEndpoints(string endpt)
    {
      calendarClient = new SvcCalendar.CalendarClient(endpt);
    }
    
    // Configure the client endpoints.
    public static void SetClientEndpoints(string ept)
    {
      resourceClient = new SvcResource.ResourceClient(ept);
    }
  }
}

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