/// <summary>
/// Delete the specified project from the db.
/// If the project is not already in the repository, an
/// exception is thrown.
/// </summary>
public void DeleteProject(Project project, TaskData taskData)
{
if (project == null)
{
throw new ArgumentNullException("project");
}
if (project.ProjectId == 0)
{
throw new InvalidOperationException("delete project");
}
var query = (from p in _appInfo.GcContext.Projects
where p.ProjectID == project.ProjectId
select p).First();
Project requestedProject = Project.CreateProject(query);
// delete child tasks first
List <Task> childTasks = this.GetChildTasks(requestedProject.ProjectId);
foreach (Task childTask in childTasks)
{
taskData.DeleteTask(childTask);
}
_appInfo.GcContext.DeleteObject(query);
_appInfo.GcContext.SaveChanges();
if (this.ProjectDeleted != null)
{
this.ProjectDeleted(this, new ProjectDeletedEventArgs(project));
}
}
/// <summary>
/// Launches the delete task window.
/// </summary>
public void DeleteTask()
{
TaskViewModel selectedTaskVM = ChildTasks.FirstOrDefault(t => t.IsSelected == true);
if (selectedTaskVM != null && WPFMessageBox.Show(Properties.Resources.Delete_Confirm, Properties.Resources.Tasks_Delete_Confirm, WPFMessageBoxButtons.YesNo, WPFMessageBoxImage.Question) == WPFMessageBoxResult.Yes)
{
_taskData.DeleteTask(_taskData.GetTaskByTaskId(selectedTaskVM.TaskId));
selectedTaskVM.Dispose();
}
}