public static Recurrence[] GetRecurrences(string serviceBrokerGuid, string groupName,
string labServerGuid, string clientGuid, DateTime startTime, DateTime endTime)
{
TimeBlock range = new TimeBlock(startTime, endTime);
List<Recurrence> recurrences = new List<Recurrence>();
DbConnection connection = FactoryDB.GetConnection();
// create sql command
// command executes the "RetrieveRecurrenceIDs" stored procedure
DbCommand cmd = FactoryDB.CreateCommand("Recurrences_Retrieve", connection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(FactoryDB.CreateParameter(cmd,"@sbGuid", serviceBrokerGuid, DbType.AnsiString, 50));
cmd.Parameters.Add(FactoryDB.CreateParameter(cmd,"@group", groupName, DbType.String, 256));
cmd.Parameters.Add(FactoryDB.CreateParameter(cmd,"@lsGuid", labServerGuid, DbType.AnsiString, 50));
cmd.Parameters.Add(FactoryDB.CreateParameter(cmd,"@clientGuid", clientGuid, DbType.AnsiString, 50));
cmd.Parameters.Add(FactoryDB.CreateParameter(cmd,"@start", DateUtil.SpecifyUTC(startTime), DbType.DateTime));
cmd.Parameters.Add(FactoryDB.CreateParameter(cmd,"@end", DateUtil.SpecifyUTC(endTime), DbType.DateTime));
try
{
DbDataReader dataReader = null;
Recurrence recur = null;
connection.Open();
//recurrence_id,resource_id,recurrence_type,day_mask,recurrence_start_date,recurrence_num_days
//recurrence_start_offset,recurrence_end_offset, quantum
dataReader = cmd.ExecuteReader();
while (dataReader.Read())
{
recur = new Recurrence();
recur.recurrenceId = dataReader.GetInt32(0);
recur.resourceId = dataReader.GetInt32(1);
recur.recurrenceType = (Recurrence.RecurrenceType)dataReader.GetInt32(2);
recur.dayMask = dataReader.GetByte(3);
recur.startDate = DateUtil.SpecifyUTC(dataReader.GetDateTime(4));
recur.numDays = dataReader.GetInt32(5);
recur.startOffset = TimeSpan.FromSeconds((double)dataReader.GetInt32(6));
recur.endOffset = TimeSpan.FromSeconds((double)dataReader.GetInt32(7));
recur.quantum = dataReader.GetInt32(8);
TimeBlock[] blocks = recur.GetTimeBlocks();
foreach (TimeBlock tb in blocks)
{
if (range.Intersects(tb))
{
recurrences.Add(recur);
break;
}
}
}
dataReader.Close();
}
catch (Exception ex)
{
throw new Exception("Exception thrown in get recurrences", ex);
}
finally
{
connection.Close();
}
return recurrences.ToArray();
}
private void renderTimePeriods(HtmlTextWriter output, DateTime date, IEnumerable periods)
{
TimeBlock validTime = new TimeBlock(date.AddHours((int)minTOD.Hours), date.AddHours((int)maxTOD.TotalHours));
if (periods != null)
{
IEnumerator enumTP = null;
try
{
enumTP = periods.GetEnumerator();
enumTP.MoveNext();
TimePeriod first = (TimePeriod)enumTP.Current;
if (first.Start > validTime.Start)
{
renderVoidTime(output, Convert.ToInt32((first.Start - validTime.Start).TotalSeconds));
}
}
catch (Exception ex) { }
finally
{
enumTP.Reset();
}
foreach (TimePeriod tp in periods)
{
if (validTime.Intersects(tp))
{
TimeBlock valid = validTime.Intersection(tp);
if (tp.quantum == 0)
{
renderScheduledTime(output, valid);
}
else
{
int cellDur = 0;
int tDur = valid.Duration;
DateTime cur = valid.Start;
DateTime end = valid.End;
while (cur < end)
{
cellDur = defaultCellDuration -(cur.TimeOfDay.Minutes % defaultCellDuration);
if(cellDur < defaultCellDuration)
cellDur += defaultCellDuration;
if ((end - cur.AddMinutes(cellDur)).TotalMinutes < (defaultCellDuration/2))
{
cellDur += Convert.ToInt32((end - cur.AddMinutes(cellDur)).TotalMinutes );
}
cellDur = (cur.AddMinutes(cellDur) <= end) ? cellDur : (int)(end - cur).TotalMinutes;
renderAvailableTime(output, cur, tDur, tp.quantum, cellDur * 60, false);
cur = cur.AddMinutes(cellDur);
tDur = tDur - (cellDur * 60);
//cellDur = (cur.TimeOfDay.Minutes % defaultCellDuration) + defaultCellDuration;
//cellDur = (cur.AddMinutes(cellDur) <= end) ? cellDur : (int)(end - cur).TotalMinutes;
//renderAvailableTime(output, cur, tDur, tp.quantum, cellDur * 60, false);
//cur = cur.AddMinutes(cellDur);
//tDur = tDur - (cellDur * 60);
}
}
}
}
}
}
/// <summary>
/// Returns an Boolean indicating whether a particular reservation from a USS is confirmed and added to the database in LSS successfully. If it fails, exception will be throw out indicating
/// the reason for rejection.
/// </summary>
/// <param name="serviceBrokerGuid"></param>
/// <param name="groupName"></param>
/// <param name="ussGuid"></param>
/// <param name="labServerGuid"></param>
/// <param name="clientGuid"></param>
/// <param name="startTime"></param>the local time of LSS
/// <param name="endTime"></param>the local time of LSS
/// <returns></returns>the notification whether the reservation is confirmed. If not, notification will give a reason
public static string ConfirmReservation(string serviceBrokerGuid, string groupName, string ussGuid,
string labServerGuid, string clientGuid, DateTime startTime, DateTime endTime)
{
string notification = null;
try
{
//get the experiment configuration
int eID = DBManager.ListExperimentInfoIDByExperiment(labServerGuid, clientGuid);
LssExperimentInfo exInfo = GetExperimentInfos(new int[] { eID })[0];
int preTime = exInfo.prepareTime;
int recTime = exInfo.recoverTime;
int minTime = exInfo.minimumTime;
//check whether the reservation is executable
if (((TimeSpan)endTime.Subtract(startTime)).TotalMinutes < minTime)
{
notification = "The reservation time is less than the minimum time the experiment required";
return notification;
}
//the start time for the experiment equipment
DateTime expStartTime = startTime.AddMinutes(-preTime);
//the end time for the experiment equipment
DateTime expEndTime = endTime.AddMinutes(recTime);
Recurrence[] recurrences = DBManager.GetRecurrences(serviceBrokerGuid, groupName,
labServerGuid, clientGuid, startTime, endTime);
if ((recurrences == null) || (recurrences.Length == 0))
{
notification = "This experiment is not available to your group during this time.";
return notification;
}
else if (recurrences.Length > 1)
{
notification = "More than one recurrence was found for this request. Please choose another time.";
return notification;
}
else
{
TimeBlock[] reserved = DBManager.ListReservationTimeBlocks(recurrences[0].resourceId, expStartTime, expEndTime);
bool ok = true;
if ((reserved != null) && (reserved.Length > 0))
{
// Need to process the reservations to make suggestions
notification = "This reservation time is not available now, please adjust your reservation time.";
TimeBlock check = new TimeBlock(expStartTime, expEndTime);
foreach (TimeBlock tb in reserved)
{
TimeBlock intersection = check.Intersection(tb);
if (intersection != null)
{
TimeSpan span = TimeSpan.FromSeconds(intersection.Duration);
if(intersection.Start < expEndTime)
notification += @"<br />Adjust the time by starting " + span.TotalMinutes +
" minutes earlier, or make the duration shorter by " + span.TotalMinutes + " minutes.";
if (intersection.End > expStartTime)
notification += @"<br />Adjust the time by starting " + span.TotalMinutes +
" minutes later.";
}
}
return notification;
}
//add the reservation to to reservationInfo table
int status = AddReservationInfo(serviceBrokerGuid, groupName, ussGuid, labServerGuid, clientGuid, startTime.ToUniversalTime(), endTime.ToUniversalTime(), 0);
if (status > 0)
{
notification = "The reservation is confirmed successfully";
if (exInfo.contactEmail != null && exInfo.contactEmail.Length > 0)
{
// Send a mail Message
StringBuilder message = new StringBuilder();
MailMessage mail = new MailMessage();
mail.To = exInfo.contactEmail;
mail.From = ConfigurationSettings.AppSettings["genericFromMailAddress"];
mail.Subject = "New Reservation: " + exInfo.labClientName;
message.Append("A new reservation for " + exInfo.labClientName + " version: " + exInfo.labClientVersion);
message.AppendLine(" on " + exInfo.labServerName + " has been made.");
message.AppendLine("\tGroup: " + groupName + " ServiceBroker: " + serviceBrokerGuid);
message.Append("\tFrom: " + DateUtil.ToUserTime(startTime, CultureInfo.CurrentCulture, DateUtil.LocalTzOffset));
message.AppendLine("\t\tTo: " + DateUtil.ToUserTime(endTime, CultureInfo.CurrentCulture, DateUtil.LocalTzOffset));
message.AppendLine("\tDateFormat: " + CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern + " \tUTC Offset: " + (DateUtil.LocalTzOffset / 60.0));
message.AppendLine();
mail.Body = message.ToString();
SmtpMail.SmtpServer = "127.0.0.1";
try
{
SmtpMail.Send(mail);
}
catch (Exception ex)
{
// Report detailed SMTP Errors
StringBuilder smtpErrorMsg = new StringBuilder();
smtpErrorMsg.Append("Exception: " + ex.Message);
//check the InnerException
if (ex.InnerException != null)
{
smtpErrorMsg.Append("<br>Inner Exceptions:");
while (ex.InnerException != null)
{
smtpErrorMsg.Append("<br>" + ex.InnerException.Message);
ex = ex.InnerException;
}
Utilities.WriteLog(smtpErrorMsg.ToString());
}
}
}
}
else
notification = "Error: AddReservation status = " + status;
return notification;
}
}
catch (Exception ex)
{
return ex.Message;
}
return notification;
}
public int MakeReservation(string serviceBrokerGuid, string groupName, string ussGuid,
string labServerGuid, string clientGuid, DateTime startTime, DateTime endTime, ref StringBuilder notification)
{
int status = -1;
Recurrence[] recurrences = GetRecurrences(serviceBrokerGuid, groupName,
labServerGuid, clientGuid, startTime, endTime);
if ((recurrences == null) || (recurrences.Length == 0))
{
notification.AppendLine("This experiment is not available to your group during this time.");
return status;
}
else if (recurrences.Length > 1)
{
notification.Append("More than one recurrence was found for this request. Please choose another time.");
return status;
}
else
{
TimeBlock[] reserved = ListReservationTimeBlocks(recurrences[0].resourceId, startTime, endTime);
bool ok = true;
if ((reserved != null) && (reserved.Length > 0))
{
// Need to process the reservations to make suggestions
notification.AppendLine("This reservation time is not available now, please adjust your reservation time.");
TimeBlock check = new TimeBlock(startTime, endTime);
foreach (TimeBlock tb in reserved)
{
TimeBlock intersection = check.Intersection(tb);
if (intersection != null)
{
TimeSpan span = TimeSpan.FromSeconds(intersection.Duration);
if (intersection.Start < endTime)
notification.AppendLine(@"<br />Adjust the time by starting " + span.TotalMinutes +
" minutes earlier, or make the duration shorter by " + span.TotalMinutes + " minutes.");
if (intersection.End > startTime)
notification.AppendLine(@"<br />Adjust the time by starting " + span.TotalMinutes +
" minutes later.");
}
}
return 0;
}
//add the reservation to to reservationInfo table
status = AddReservationInfo(serviceBrokerGuid, groupName, ussGuid, labServerGuid, clientGuid, recurrences[0].resourceId,startTime.ToUniversalTime(), endTime.ToUniversalTime(), 0);
}
return status;
}
protected override void PerformDataBinding(IEnumerable schedulingData)
{
// don't bind in design mode
if (DesignMode)
{
return;
}
base.PerformDataBinding(schedulingData);
// Verify data exists.
if (schedulingData != null)
{
TimeSpan tmpTS;
TimeSpan oneDay = TimeSpan.FromDays(1);
maxTOD = TimeSpan.Zero.Subtract(TimeSpan.FromMinutes(userTZ));
minTOD = oneDay;
foreach (ITimeBlock tb in schedulingData)
{
tmpTS = tb.Start.AddMinutes(userTZ).TimeOfDay;
if (minTOD > tmpTS)
minTOD = tmpTS;
tmpTS = tmpTS.Add(TimeSpan.FromSeconds(tb.Duration));
if (tmpTS.TotalHours < 24)
{
if (maxTOD < tmpTS)
{
maxTOD = tmpTS;
}
}
else if (tmpTS.TotalHours == 24)
{
maxTOD = tmpTS;
}
else
{
minTOD = TimeSpan.Zero;
maxTOD = TimeSpan.FromHours(24);
break;
}
}
if (bindReservations)
{ // should be Reservations
reservations = new List<Reservation>();
foreach (Reservation r in schedulingData)
{
reservations.Add(r);
}
}
else
{ // should be TimePeriods
TimeBlock range = new TimeBlock(StartTime, EndTime);
periods = new List<TimePeriod>();
foreach (TimePeriod tp in schedulingData)
{
if(range.Contains(tp)){
periods.Add(tp);
}
else if (range.Intersects(tp))
{
TimeBlock tmpTB = range.Intersection(tp);
periods.Add(new TimePeriod(tmpTB.Start, tmpTB.Duration, tp.quantum));
}
}
TimeBlock[] scheduledTBs = TimeBlock.Remaining(new TimeBlock[] { range }, periods.ToArray());
if (scheduledTBs != null && scheduledTBs.Length > 0)
{
periods.AddRange(TimePeriod.MakeArray(scheduledTBs, 0));
}
periods.Sort();
}
}
else
{
minTOD = TimeSpan.Zero;
maxTOD = TimeSpan.FromHours(24);
periods = new List<TimePeriod>();
periods.Add(new TimePeriod(StartTime, EndTime, 0));
}
}
public static TimeBlock Union(ITimeBlock a, ITimeBlock b)
{
TimeBlock tb = null;
if(TimeBlock.HasUnion(a,b))
tb = new TimeBlock(a.Start <= b.Start ? a.Start : b.Start,a.End >= b.End ?a.End:b.End);
return tb;
}
public int Split(ITimeBlock subBlock, ref TimeBlock intersection, ref TimeBlock previous, ref TimeBlock remaining)
{
int status = 0;
intersection = null;
previous = null;
remaining = null;
if (Intersects(subBlock))
{
intersection = Intersection(subBlock);
if (startTime < intersection.Start)
{
previous = new TimeBlock(startTime, intersection.Start);
status |= 1;
}
else if (intersection.Start > subBlock.Start)
{
previous = new TimeBlock(subBlock.Start, intersection.Start);
status |= 2;
}
if (End > intersection.End)
{
remaining = new TimeBlock(intersection.End, End);
status |= 4;
}
else if (subBlock.End > intersection.End)
{
remaining = new TimeBlock(intersection.End, subBlock.End);
status |= 8;
}
}
return status;
}
public TimeBlock[] GetTimeBlocks(DateTime start, DateTime end)
{
// Bounds check
if (start >= End || end <= Start)
{
return null;
}
List<TimeBlock> list = new List<TimeBlock>();
TimeBlock range = new TimeBlock(start >= Start ? start : Start, end.Ticks <= End.Ticks ? end : End);
if (recurrenceType == RecurrenceType.SingleBlock)
{
list.Add(range);
}
else
{
TimeSpan day = TimeSpan.FromDays(1.0);
int dayOffset = Convert.ToInt32(start.Subtract(startDate).TotalDays);
int endDay = Convert.ToInt32(end.Subtract(startDate).TotalDays);
endDay = numDays <= endDay ? numDays : endDay;
DateTime work = startDate.Add(TimeSpan.FromDays(dayOffset -1));
DateTime eDate = startDate.Add(TimeSpan.FromDays(endDay +1));
TimeBlock chunk = null;
if (recurrenceType == RecurrenceType.Daily)
{
while (work < eDate)
{
chunk = range.Intersection(new TimeBlock(work.Add(startOffset),work.Add(endOffset)));
if(chunk != null)
list.Add(chunk);
work = work.Add(day);
}
}
else if (recurrenceType == RecurrenceType.Weekly)
{
while (work < eDate)
{
if (DateUtil.CheckDayMask(work.DayOfWeek, dayMask))
{
chunk = range.Intersection(new TimeBlock(work.Add(startOffset), work.Add(endOffset)));
if (chunk != null)
list.Add(chunk);
}
work = work.Add(day);
}
}
}
return list.ToArray();
}
public TimeBlock[] GetTimeBlocks()
{
List<TimeBlock> list = new List<TimeBlock>();
TimeBlock chunk = null;
TimeSpan day = TimeSpan.FromDays(1.0);
DateTime endDate = startDate.AddDays(numDays);
switch ((RecurrenceType)recurrenceType)
{
case RecurrenceType.SingleBlock:
chunk = new TimeBlock(Start,Duration);
list.Add(chunk);
break;
case RecurrenceType.Daily:
DateTime work = startDate.Add(startOffset);
for (int i = 0; i < numDays; i++)
{
chunk = new TimeBlock(work,(int) (endOffset - startOffset).TotalSeconds);
if(chunk.End <= endDate)
list.Add(chunk);
work = work.AddDays(1.0);
}
break;
case RecurrenceType.Weekly:
DateTime wwork = startDate;
for (int i = 0; i < numDays; i++)
{
if (DateUtil.CheckDayMask(wwork.DayOfWeek, dayMask))
{
chunk = new TimeBlock();
chunk.startTime = wwork.Add(startOffset);
chunk.duration = (int) (endOffset - startOffset).TotalSeconds;
if(chunk.End <= endDate)
list.Add(chunk);
}
wwork = wwork.AddDays(1.0);
}
break;
default:
break;
}
return list.ToArray();
}
protected override void PerformDataBinding(IEnumerable schedulingData)
{
// don't bind in design mode
if (DesignMode)
{
return;
}
base.PerformDataBinding(schedulingData);
MinTOD = TimeSpan.Zero;
MaxTOD = oneDay;
// Verify data exists.
if (schedulingData != null)
{
if (NumDays == 1)
{
TimeSpan tmpTS;
TimeSpan tmpMinTOD = oneDay;
//Check the first timeBlock
IEnumerator eTB = schedulingData.GetEnumerator();
if (eTB.MoveNext())
{
tmpTS = (( TimeBlock)eTB.Current).Start.AddMinutes(userTZ).TimeOfDay;
if (tmpMinTOD > tmpTS)
{
tmpMinTOD = tmpTS;
MinTOD = tmpMinTOD;
}
}
}
if (bindReservations)
{ // should be Reservations
reservations = new List<Reservation>();
foreach (Reservation r in schedulingData)
{
reservations.Add(r);
}
}
else
{ // should be TimePeriods
TimeBlock range = new TimeBlock(StartTime, EndTime);
periods = new List<TimePeriod>();
foreach (TimePeriod tp in schedulingData)
{
if(range.Contains(tp)){
periods.Add(tp);
}
else if (range.Intersects(tp))
{
TimeBlock tmpTB = range.Intersection(tp);
periods.Add(new TimePeriod(tmpTB.Start, tmpTB.Duration, tp.quantum));
}
}
TimeBlock[] scheduledTBs = TimeBlock.Remaining(new TimeBlock[] { range }, periods.ToArray());
if (scheduledTBs != null && scheduledTBs.Length > 0)
{
periods.AddRange(TimePeriod.MakeArray(scheduledTBs, 0));
}
periods.Sort();
}
}
else
{
periods = new List<TimePeriod>();
periods.Add(new TimePeriod(StartTime, EndTime, 0));
}
}
private int renderScheduledTime(HtmlTextWriter output, ITimeBlock tb)
{
int duration = 0;
if (tb.End < endOfDay)
duration = tb.Duration;
else
duration = new TimeBlock(tb.Start, endOfDay).Duration;
if (duration > 0)
{
output.Write("<tr>");
int height = Convert.ToInt32((((hourHeight * duration) / 3600.0)));
//output.AddAttribute("onclick", "javascript:" + Page.ClientScript.GetPostBackEventReference(this, startTime.ToString("s")));
#if useStyle
output.AddStyleAttribute(HtmlTextWriterStyle.Padding, zero.ToString());
output.AddStyleAttribute(HtmlTextWriterStyle.Margin, zero.ToString());
output.AddStyleAttribute("background-color", ColorTranslator.ToHtml(scheduledColor));
output.AddStyleAttribute("cursor", "hand");
//output.AddStyleAttribute("border-bottom", "1px solid " + ColorTranslator.ToHtml(BorderColor));
#endif
output.AddAttribute("class", reservedClass);
output.AddStyleAttribute("height", adjustHeight(height) + "px");
if (browserMode > 0)
{
output.AddStyleAttribute("border-bottom", "1px solid " + ColorTranslator.ToHtml(BorderColor));
output.AddStyleAttribute("background-color", ColorTranslator.ToHtml(scheduledColor));
}
output.AddAttribute("title", tb.Start.AddMinutes(userTZ).TimeOfDay.ToString() + " - " + tb.End.AddMinutes(userTZ).ToString());
output.RenderBeginTag("td");
output.RenderEndTag();
output.WriteLine("</tr>");
}
return duration;
}
private void renderTimePeriods(HtmlTextWriter output, DateTime date, List<TimePeriod> periods)
{
TimeBlock validTime = new TimeBlock(date.AddHours((int)minTOD.Hours), endTime);
TimeBlock valid;
DateTime cur = DateTime.MinValue;
DateTime end = DateTime.MinValue;
if (periods != null && periods.Count >0)
{
try
{
TimePeriod first = periods[0];
if (first.Start > validTime.Start)
{
renderVoidTime(output, Convert.ToInt32((first.Start - validTime.Start).TotalSeconds));
}
}
catch (Exception ex) {
throw ex;
}
foreach (TimePeriod tp in periods)
{
if (validTime.Intersects(tp))
{
valid = validTime.Intersection(tp);
cur = valid.Start;
end = valid.End;
if (tp.quantum == 0)
{
renderScheduledTime(output, valid);
}
else
{
int cellDur = 0;
int tDur = valid.Duration;
while (cur < end && cur < endOfDay)
{
cellDur = defaultCellDuration -( cur.TimeOfDay.Minutes % defaultCellDuration);
if(cellDur < defaultCellDuration)
cellDur += defaultCellDuration;
if ((end - cur.AddMinutes(cellDur)).TotalMinutes < (defaultCellDuration/2))
{
cellDur += Convert.ToInt32((end - cur.AddMinutes(cellDur)).TotalMinutes );
}
cellDur = (cur.AddMinutes(cellDur) <= endOfDay) ? cellDur : (int)(endOfDay - cur).TotalMinutes;
renderAvailableTime(output, cur, tDur, tp.quantum, cellDur * 60, false);
cur = cur.AddMinutes(cellDur);
tDur = tDur - (cellDur * 60);
}
}
}
} // End of foreach period
if (end < endOfDay)
{
renderScheduledTime(output, new TimeBlock(end,endOfDay));
}
}
}
