static Group TestCreateGroup(Faculty faculty, int numberGroup, int studentID)
{
var group = new Group(faculty, numberGroup);
var st = TestCreateStudent(group, studentID);
foreach (var student in st)
{
group.Add(student);
}
return group;
}
static Student[] TestCreateStudent(Group group, int studentID)
{
var result = new Student[10];
result[0] = new Student("Ivanov", "Ivan", "I.", Sex.Male, group, studentID++, "01.01.1960");
result[1] = new Student("Ivanov", "Cyril", "I.", Sex.Male, group, studentID++, "01.01.1960");
result[2] = new Student("Petrov", "Ivan", "I.", Sex.Male, group, studentID++, "02.01.1960");
result[3] = new Student("Sidorov", "Ivan", "I.", Sex.Male, group, studentID++, "03.01.1960");
result[4] = new Student("Ivanov", "Oleg", "I.", Sex.Male, group, studentID++, "04.01.1960");
result[5] = new Student("Ivanov", "Anna", "I.", Sex.Female, group, studentID++, "06.01.1960");
result[6] = new Student("Ivanov", "Ivan", "V.", Sex.Male, group, studentID++, "07.01.1960");
result[7] = new Student("Kozlov", "Ivan", "I.", Sex.Male, group, studentID++, "10.01.1960");
result[8] = new Student("Ivanov", "Arman", "I.", Sex.Male, group, studentID++, "12.01.1960");
result[9] = new Student("Bugaev", "Ivan", "K.", Sex.Male, group, studentID, "20.01.1960");
return result;
}
public static Group LoadGroupFromXML(FileStream stream, Faculty.Faculty faculty)
{
try
{
var reader = new XmlTextReader(stream);
int groupNumber = 0;
var path = string.Empty;
while (reader.Read())
{
switch (reader.Name)
{
case "groupNumber":
groupNumber = int.Parse(reader.ReadString());
break;
case "students":
if (reader.AttributeCount >= 1)
path = reader.GetAttribute("path");
break;
}
}
var group = new Group(faculty, groupNumber);
if (faculty != null)
faculty.Add(group);
if (!string.IsNullOrWhiteSpace(path))
{
var dir = new DirectoryInfo(path);
var files = dir.GetFiles(@"*.xml");
foreach (var file in files)
{
var intream = file.Open(FileMode.Open);
LoadStudentFromXML(intream, group);
intream.Close();
}
}
return group;
}
catch (ArgumentNullException exception)
{
throw new ArgumentNullException(exception.Source);
}
catch (XmlException exception)
{
throw new XmlException(exception.Source);
}
catch (InvalidOperationException exception)
{
throw new InvalidOperationException(exception.Source);
}
catch(FileNotFoundException exception)
{
throw new FileNotFoundException(exception.Source);
}
catch (DirectoryNotFoundException exception)
{
throw new DirectoryNotFoundException(exception.Source);
}
}
public static XElement XMLElementGroup(Group group)
{
if (group == null)
throw new ArgumentNullException("group");
var element = new XElement("group");
element.Add(new XElement("groupNumber", group.GroupNumber));
element.Add(new XElement("faculty", group.Faculty.Name));
if (group.Leader != null)
element.Add(XMLElementStudent(group.Leader));
return element;
}
public static void SaveGroupToXML(string path, Group group)
{
if (string.IsNullOrWhiteSpace(path))
throw new ArgumentOutOfRangeException("path");
if (path.LastIndexOf(@".xml") <= 0)
path += "group_" + group.GroupNumber + ".xml";
using (var stream = new FileStream(path, FileMode.Create))
{
SaveGroupToXML(stream, group);
}
}
public static void SaveGroupToXML(FileStream stream, Group group)
{
if (stream == null)
throw new ArgumentNullException("stream");
if (group == null)
throw new ArgumentNullException("group");
try
{
var path = stream.Name;
var index = path.LastIndexOfAny(new[] { '\\' });
if (index >= 0)
path = path.Substring(0, index);
path += @"\group_" + group.GroupNumber + @"\";
var element = XMLElementGroup(group);
element.Add(new XElement("students", new XAttribute("path", path)));
var document = new XDocument(new XDeclaration("1.0", "utf-8", "yes"), element);
document.Save(stream);
Directory.CreateDirectory(path);
foreach (var student in group)
SaveStudentToXML(path, student);
}
catch (ArgumentNullException exception)
{
throw new ArgumentNullException(exception.Source);
}
catch(DirectoryNotFoundException exception)
{
throw new DirectoryNotFoundException(exception.Source);
}
catch (ArgumentException exception)
{
throw new ArgumentException(exception.Source);
}
}
public static Student LoadStudentFromXML(string path, Group group)
{
if (string.IsNullOrWhiteSpace(path))
throw new ArgumentOutOfRangeException("path");
using (var stream = new FileStream(path, FileMode.Create))
{
return LoadStudentFromXML(stream, group);
}
}
public static Student LoadStudentFromXML(FileStream stream, Group group)
{
try
{
var reader = new XmlTextReader(stream);
var firstName = string.Empty;
var middleName = string.Empty;
var lastName = string.Empty;
Sex sex = Sex.Male;
var dateOfBirth = string.Empty;
var studentID = string.Empty;
var leader = false;
while (reader.Read())
{
switch (reader.Name)
{
case "student":
if (reader.AttributeCount >= 1)
leader = bool.Parse(reader.GetAttribute("leader"));
break;
case "firstName":
firstName = reader.ReadString();
break;
case "middleName":
middleName = reader.ReadString();
break;
case "lastName":
lastName = reader.ReadString();
break;
case "sex":
Enum.TryParse(reader.ReadString(), out sex);
break;
case "dateOfBirth":
dateOfBirth = reader.ReadString();
break;
case "id":
studentID = reader.ReadString();
break;
}
}
var student = new Student(lastName, firstName, middleName, sex, group, int.Parse(studentID), dateOfBirth);
if (group != null)
{
group.Add(student);
if (leader)
group.SetLeader(student);
}
return student;
}
catch (ArgumentNullException exception)
{
throw new ArgumentNullException(exception.Source);
}
catch (XmlException exception)
{
throw new XmlException(exception.Source);
}
catch (InvalidOperationException exception)
{
throw new InvalidOperationException(exception.Source);
}
}
static Group TestCreateGroup(Faculty.Faculty faculty, int numberGroup, int studentID)
{
var group = new Group(faculty, numberGroup);
group.AddStudents(TestCreateStudent(group, studentID));
return group;
}