/// <summary>
/// Запросить список студентов у сервера.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void srudbtn_Click(object sender, EventArgs e)
{
GetStudents?.Invoke(this, e);
this.booksbtn.Enabled = false;
this.studbtn.Enabled = false;
this.debtbtn.Enabled = false;
}
/**
* <summary>This method removes a student at a particular index position, inside the AcademicYear object.</summary>
*
* <example>
* <code>AcademicYear yr = new AcademicYear(10);
* yr.AddStudentToYear(new Student("5003", "Chris", "Archer", 10, "Green"));
* yr.AddStudentToYear(new Student("4500", "Hayden", "Collins", 10, "Red"));
* yr.AddStudentToYear(new Student("5210", "James", "Holder", 10, "Blue"));
* yr.RemoveStudentFromYear(1);</code>
* The student at index position 1 (Hayden Collins) will be removed.</example>
*/
public void RemoveStudentFromYear(int i)
{
if (0 <= i && i < GetStudents.Count)
{
GetStudents.RemoveAt(i);
}
}
// Methods.
/**
* <summary>This method stores a valid Student object into the AcademicYear object.</summary>
*
* <param name="s">Student object to be added to the year.</param>
*
* <example>
* <code>AcademicYear yr = new AcademicYear(12);
* yr.AddStudentToYear(new Student("8126", "Edward", "Willis", 12, "Red"));</code>
* A new student has been added to 'yr'.</example>
*/
public void AddStudentToYear(Student s)
{
if (s != null && s.GetYear == GetYearNo)
{
// Throws an exception if the student already exists within the AcademicYear object.
//GetStudents.ForEach(student => { if (student.GetStudentID == s.GetStudentID) { throw new ArgumentException("Student already exists!"); } });
GetStudents.Add(s);
}
}
public static List <Student> GetStudentsInList(List <Student> s, GetStudents del, object o = null)
{
List <Student> result = new List <Student>();
foreach (var student in s)
{
if (del(student, o))
{
result.Add(student);
}
}
return(result);
}
/**
* <summary>This method removes removes any duplicate students inside the AcademicYear object.</summary>
*
* <example>
* <code>AcademicYear yr = new AcademicYear(9);
* yr.AddStudentToYear(new Student("2950", "Wendy", "Foakes", 9, "Mauve"));
* yr.AddStudentToYear(new Student("2950", "Wendy", "Foakes", 9, "Mauve"));
* yr.AddStudentToYear(new Student("4125", "Stewart", "Richards", 9, "Teal"));
* yr.RemoveStudentFromYear(1);</code>
* The second occurence of "Wendy Foakes" will be removed as it already exists once.</example>
*/
public void RemoveDuplicateStudents()
{
for (int i = 0; i < GetStudents.Count; i++)
{
for (int j = i + 1; j < GetStudents.Count; j++)
{
if (GetStudent(i).GetStudentID == GetStudent(j).GetStudentID)
{
RemoveStudentFromYear(j);
j--;
}
}
}
GetStudents.Sort(); // Sorts the subjects inside GetStudents into a natural order.
}
/**
* <summary>This method retrieves the Student object matched by the 'ID' string.</summary>
*
* <param name="ID">The ID string to be used to get the matching Student object.</param>
*
* <example>
* <code>AcademicYear yr = new AcademicYear(7);
* yr.AddStudentToYear(new Student("0796", "Christine", "Lively", 7, "Indigo"));
* yr.AddStudentToYear(new Student("1472", "Jessica", "Rhodes", 7, "Magenta"));
* yr.AddStudentToYear(new Student("1140", "Frank", "London", 7, "Cyan"));
* yr.GetStudentByID("0796");</code>
* The student with the ID value "0796" (Christine Lively) will be returned.</example>
*
* <returns>Returns the student with the matching ID specifed by the 'ID' parameter.</returns>
*/
public Student GetStudentById(string ID)
{
Student student = null;
if (!string.IsNullOrWhiteSpace(ID))
{
GetStudents.ForEach(_ => { if (_.GetStudentID == ID)
{
student = _;
}
});
}
if (student == null)
{
// Throws an exception if student is still equal to null.
throw new ArgumentException("No student with that ID number exists!");
}
return(student);
}
/// <summary>
/// Get a List of all Students
/// </summary>
/// <returns>The <see cref="List{Student}"/> of all returned Students.</returns>
public async Task <List <Student> > GetStudents()
{
//Get the JSON
GetStudents students = new GetStudents();
//Send and receive JSON from WebUntis
string requestJson = JsonConvert.SerializeObject(students);
string responseJson = await SendJsonAndWait(requestJson, _url, SessionId);
//Parse JSON to Class
StudentsResult result = JsonConvert.DeserializeObject <StudentsResult>(responseJson);
string errorMsg = wus.LastError.Message;
if (!SuppressErrors && errorMsg != null)
{
Logger.Append(Logger.LogLevel.Error, errorMsg);
throw new WebUntisException(errorMsg);
}
return(result.result != null ? new List <Student>(result.result) : new List <Student>());
}
private void ChangeExem_Click(object sender, EventArgs e)
{
GetStudents students = new GetStudents();
if (Students.Text.Length != 0)
{
int subject = Subject.SelectedIndex;
string studentSurname = Students.Text;
string mark = Mark.Text;
var student = students.getConcrete(studentSurname)[0];
string newMark = "";
for (int markIndex = 0; markIndex < 5; markIndex++)
{
if (markIndex == subject)
{
newMark += mark;
}
else
{
newMark += student.Exems[markIndex];
}
}
Student updated = new Student(student.ID,
student.Group,
student.Surname,
newMark,
student.Scores);
UpdateStudentsTable update = new UpdateStudentsTable();
List <Student> students1 = new List <Student> {
updated
};
update.Update(students1);
main.UpdateData();
UpdateViews();
}
}
public async Task <object> Get(GetStudents request)
{
Expression <Func <Student, bool> > filter = x => (request.FirstName == null || x.FirstName.Contains(request.FirstName)) &&
(request.LastName == null || x.LastName.Contains(request.LastName)) &&
(request.StudentCode == null || x.StudentCode.Contains(request.StudentCode)) &&
(request.DateOfBirth == null || (x.DateOfBirth.HasValue && x.DateOfBirth.Value.ToString("yyyy-MM-dd").Equals(request.DateOfBirth))) &&
(request.ClassId == null || x.ClassId == request.ClassId);
var studentEntities = await _studentService.GetAll(filter : filter, includeProperties : "Class");
var dtos = studentEntities.ToList().ConvertAll(x =>
{
var dto = x.ConvertTo <StudentDto>();
dto.ClassName = x.Class.Name;
return(dto);
});
return(new
{
Success = true,
StatusCode = (int)HttpStatusCode.OK,
Results = dtos,
ItemCount = dtos.Count
});
}
public async Task <IActionResult> Get([FromRoute] GetStudents query) => Select(await Dispatcher.QueryAsync(query));
public async Task <IEnumerable <StudentDto> > Handle(GetStudents request, CancellationToken cancellationToken)
{
var students = await _context.Student.ToListAsync(cancellationToken : cancellationToken);
return(students.AsDto());
}