public static TasksModel Read(string filePath)
{
try
{
XDocument xml = XDocument.Load(filePath);
IEnumerable <SingleTaskModel> data =
from task in xml.Root.Descendants("Task")
select new SingleTaskModel(
task.Element(descriptionElement).Value,
DateTime.Parse(task.Element(creationDateElement).Value, formatProvider),
DateTime.Parse(task.Element(realizationDateElement).Value, formatProvider),
(TaskPriority)byte.Parse(task.Element(taskPriorityElement).Value, formatProvider),
bool.Parse(task.Element(isAccomplishedElement).Value));
TasksModel tasks = new TasksModel();
foreach (SingleTaskModel task in data)
{
tasks.AddTask(task);
}
return(tasks);
}
catch (Exception exc)
{
throw new Exception("Error: loading tasks from XML file", exc);
}
}
public static void Save(string filePath, TasksModel tasks)
{
try
{
XDocument xml = new XDocument(
new XDeclaration("1.0", "utf-8", "yes"),
new XComment("Date of saving: " + DateTime.Now.ToString(formatProvider)),
new XElement("Tasks",
from SingleTaskModel task in tasks
select new XElement(taskElement,
new XElement(descriptionElement, task.Descripton),
new XElement(creationDateElement, task.CreationDate),
new XElement(realizationDateElement, task.RealizationDate.ToString(formatProvider)),
new XElement(taskPriorityElement, (byte)task.Priority),
new XElement(isAccomplishedElement, task.IsAccomplished))
)
);
xml.Save(filePath);
}
catch (Exception exc)
{
throw new Exception("Error: saving tasks to XML file", exc);
}
}