public Student AddStudent(Student student)
{
student.StudentId = _dataSource.Students.Count > 0
? (_dataSource.Students[_dataSource.Students.Count - 1].StudentId + 1)
: 1;
_dataSource.Students.Add(student);
return student;
}
public static object CreateStudent(Student record)
{
try
{
var addedStudent = _repository.StudentRepository.AddStudent(record);
return new { Result = "OK", Record = addedStudent };
}
catch (Exception ex)
{
return new { Result = "ERROR", Message = ex.Message };
}
}
public JsonResult CreateStudent(Student student)
{
try
{
if (!ModelState.IsValid)
{
return Json(new { Result = "ERROR", Message = "Form is not valid! Please correct it and try again." });
}
var addedStudent = _repository.StudentRepository.AddStudent(student);
return Json(new { Result = "OK", Record = addedStudent });
}
catch (Exception ex)
{
return Json(new { Result = "ERROR", Message = ex.Message });
}
}
private void AddPhonesToStudent(MemoryDataSource dataSource, Student student)
{
var phoneCount = _rnd.Next(2, 7);
for (var j = 0; j < phoneCount; j++)
{
var phoneId = dataSource.Phones.Count > 0
? dataSource.Phones[dataSource.Phones.Count - 1].PhoneId + 1
: 1;
dataSource.Phones.Add(new Phone
{
PhoneId = phoneId,
StudentId = student.StudentId,
Number = GenerateRandomPhoneNumber(),
PhoneType = _rnd.Next(1, 4)
});
}
}
private void AddExamsToStudent(MemoryDataSource dataSource, Student student, string[] courseNames, string[] examDegrees)
{
var examCount = _rnd.Next(4, 10);
for (var j = 0; j < examCount; j++)
{
var studentExamId = dataSource.StudentExams.Count > 0
? dataSource.StudentExams[dataSource.StudentExams.Count - 1].StudentExamId + 1
: 1;
dataSource.StudentExams.Add(
new StudentExam
{
StudentExamId = studentExamId,
StudentId = student.StudentId,
CourseName = courseNames[_rnd.Next(courseNames.Length)],
Degree = examDegrees[_rnd.Next(examDegrees.Length)],
ExamDate = new DateTime(_rnd.Next(2008, 2012), _rnd.Next(1, 13), _rnd.Next(1, 29))
});
}
}
public MemoryDataSource Generate(int studentCount)
{
var dataSource = new MemoryDataSource();
//BASE DATA
var personNames = GeneratePersonNames();
var courseNames = GenerateCourseNames();
var examDegrees = GenerateExamDegrees();
//CITIES
dataSource.Cities.AddRange(
new[]
{
new City {CityId = 1, CityName = "Adana"},
new City {CityId = 2, CityName = "Ankara"},
new City {CityId = 3, CityName = "Athens"},
new City {CityId = 4, CityName = "Beijing"},
new City {CityId = 5, CityName = "Berlin"},
new City {CityId = 6, CityName = "Bursa"},
new City {CityId = 7, CityName = "İstanbul"},
new City {CityId = 8, CityName = "London"},
new City {CityId = 9, CityName = "Madrid"},
new City {CityId = 10, CityName = "Mekke"},
new City {CityId = 11, CityName = "New York"},
new City {CityId = 12, CityName = "Paris"},
new City {CityId = 13, CityName = "Samsun"},
new City {CityId = 14, CityName = "Trabzon"},
new City {CityId = 15, CityName = "Volos"}
});
//STUDENTS
for (int i = 0; i < studentCount; i++)
{
var nameIndex = _rnd.Next(personNames.Length);
var surnameIndex = _rnd.Next(personNames.Length);
var student = new Student
{
Name = personNames[nameIndex].Name + " " + personNames[surnameIndex].Surname,
EmailAddress =
personNames[nameIndex].Name.ToLower() + "." +
personNames[surnameIndex].Surname.ToLower() + "@jtable.org",
Gender = personNames[nameIndex].Gender,
CityId = dataSource.Cities[_rnd.Next(dataSource.Cities.Count)].CityId,
BirthDate = new DateTime(_rnd.Next(1940, 2005), _rnd.Next(1, 13), _rnd.Next(1, 29)),
StudentId = (i + 1),
IsActive = (_rnd.Next(100) > 20),
Education = _rnd.Next(1, 4)
};
dataSource.Students.Add(student);
//PHONES
AddPhonesToStudent(dataSource, student);
//EXAMS
AddExamsToStudent(dataSource, student, courseNames, examDegrees);
}
//PEOPLE
dataSource.People.AddRange(
new List<Person>
{
new Person {PersonId = 1, Name = "George Orwell", Age = 27},
new Person {PersonId = 2, Name = "Douglas Adams", Age = 42},
new Person {PersonId = 3, Name = "Isaac Asimov", Age = 26},
new Person {PersonId = 3, Name = "Dan Brown", Age = 39},
new Person {PersonId = 4, Name = "Thomas More", Age = 65}
});
return dataSource;
}
public static object UpdateStudent(Student record)
{
return DemoMethods.UpdateStudent(record);
}
public void UpdateStudent(Student student)
{
var foundStudent = _dataSource.Students.FirstOrDefault(s => s.StudentId == student.StudentId);
if (foundStudent == null)
{
return;
}
foundStudent.Name = student.Name;
foundStudent.EmailAddress = student.EmailAddress;
foundStudent.Password = student.Password;
foundStudent.Gender = student.Gender;
foundStudent.BirthDate = student.BirthDate;
foundStudent.CityId = student.CityId;
foundStudent.About = student.About;
foundStudent.Education = student.Education;
foundStudent.IsActive = student.IsActive;
}
public static object UpdateStudent(Student record)
{
try
{
_repository.StudentRepository.UpdateStudent(record);
return new { Result = "OK" };
}
catch (Exception ex)
{
return new { Result = "ERROR", Message = ex.Message };
}
}