public static TaskBLL CreateTaskBll(Task dalTask)
{
TimedTaskSettingsInfo ttsi = null;
if (dalTask.TimedTaskSettings != null)
{
ttsi = new TimedTaskSettingsInfo();
ttsi.DueTime = dalTask.TimedTaskSettings.DueTime;
ttsi.TimeoutAction = (TaskTimeoutActions)dalTask.TimedTaskSettings.TimeoutActionID;
}
return new TaskBLL(dalTask.ItemID, dalTask.ParentGroupID,
new TaskInfo(dalTask.Title, dalTask.BackgroundColor, dalTask.FontColor, dalTask.FontName, dalTask.FontSize, dalTask.BeginTime, dalTask.Details),
(TaskStatuses)dalTask.StatusID, dalTask.ResolveTime, ttsi);
}
public bool AddNewTask(TaskInfo taskInfo, int? parentGroupId,
TimedTaskSettingsInfo timingInfo, out string errors)
{
errors = "";
if (taskInfo == null)
{
errors = "The provided TaskInfo object is null.";
return false;
}
Task taskToAdd = new Task();
TaskInfoToTask(taskInfo, taskToAdd);
taskToAdd.StatusID = 100;
taskToAdd.ParentGroupID = parentGroupId;
bool taskIsValid = true;
bool timingInfoIsValid = true;
string taskValidationErrs = "";
taskIsValid = ValidateTask(taskToAdd, out taskValidationErrs);
TimedTaskSettings newTTS = null;
string ttsValidationErrs = "";
if (timingInfo != null)
{
newTTS = new TimedTaskSettings();
TTSInfoToTTS(timingInfo, newTTS);
timingInfoIsValid = ValidateTimedTaskSettings(newTTS, out ttsValidationErrs);
}
if (!taskIsValid || !timingInfoIsValid)
errors += taskValidationErrs + ttsValidationErrs;
else
{
int newTaskKey = HardSettingsManager.GetAndAdvanceNextChecklistElementKey(_context);
if (newTaskKey != -1)
{
if (newTTS != null)
{
//sigh.. validate this too?
newTTS.TimedTaskSettingsID = HardSettingsManager.GetAndAdvanceNextTimedTaskSettingsKey(_context);
taskToAdd.TimedTaskSettings = newTTS;
}
taskToAdd.ItemID = newTaskKey;
BLLUtility.AddPositionInfo(_context, taskToAdd, parentGroupId);
_context.ChecklistElements.AddObject(taskToAdd);
_context.SaveChanges();
return true;
}
else
errors += "The next-key information could not be retreived from the database.\n";
}
return false;
}
private void TaskInfoToTask(TaskInfo ti, Task t)
{
BLLUtility.ChecklistElementInfoToChecklistElement(ti, t);
t.Details = ti.Details;
}
private bool ValidateTask(Task task, out string errors)
{
errors = "";
//using += so as to get all problems with provided Task object in one go.
string checkListValiErrs;
if (!BLLUtility.ValidateChecklistElement(_context, task, out checkListValiErrs))
errors += checkListValiErrs + "\n";
string statusIdErr = ValidateStatusId(task.StatusID);
if (statusIdErr != null)
errors += statusIdErr + "\n";
string detailsErr = ValidateTaskDetails(task.Details);
if (detailsErr != null)
errors += detailsErr + "\n";
if (string.IsNullOrEmpty(errors))
return true;
else
return false;
}
private void CheckIfNewBeginTimeAffectsPosInfo(Task taskToUpdate, HardSettings settings)
{
int numPosTrackedDays = settings.DaysOfHistoryToShow;
DateTime posTrackingStartDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month,
DateTime.Now.Day - numPosTrackedDays);
if (taskToUpdate.PositionInformation == null)
{
//BeginTime changed from non-pos-tracking timestamp to pos-tracking timestamp
if (taskToUpdate.BeginTime >= posTrackingStartDate && taskToUpdate.BeginTime <= DateTime.Now)
{
//need to add PositionInfo. Add task to end of Group.
PositionInformation pi = new PositionInformation();
ChecklistElement lastItemOfGroup = taskToUpdate.ParentGroup.ChecklistElements
.SingleOrDefault(ce => ce.PositionInformation != null && ce.PositionInformation.NextItem == null);
if (lastItemOfGroup != null)
{
lastItemOfGroup.PositionInformation.NextItem = taskToUpdate;
pi.PreviousItem = lastItemOfGroup;
}
//else the group is currently empty
taskToUpdate.PositionInformation = pi;
}
}
else
{
//BeginTime changed from pos-tracking timestamp to non-pos-tracking timestamp
//just remove PosInfo.
if (taskToUpdate.BeginTime < posTrackingStartDate || taskToUpdate.BeginTime > DateTime.Now)
{
RemovePosInfoFromLinkedList(taskToUpdate);
}
}
}