/// <remarks> This ctor should not add this instance to the database because the <see cref="StudyTask.TimeSpans.CollectionChanged"/> is responsible for that. </remarks>
public TaskTimeSpan(IStudyTasksService service, StudyTask task, DateTime start)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
this.service = service;
this.timeSpanMessageObject = new TaskTimeSpanService()
{
Start = start, TaskId = task.Id
};
this.Task = task;
this.Start = start;
this.PropertyChanged += OnPropertyChanged;
}
/// <summary> Creates a <see cref="TaskTimeSpan"/> from database. </summary>
/// <param name="messageObject"> The autogenerated message object representing a time span in the database. </param>
public TaskTimeSpan(IStudyTasksService service, TaskTimeSpanService messageObject, StudyTask task)
{
if (messageObject == null)
{
throw new ArgumentNullException(nameof(messageObject));
}
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
if (messageObject.Id == 0)
{
throw new ArgumentException();
}
this.service = service;
this.timeSpanMessageObject = messageObject;
this.Task = task;
this.Start = messageObject.Start;
this.End = messageObject.End;
this.PropertyChanged += OnPropertyChanged;
}