public void Update(RepoStudent item)
{
DataStudent student = db.Students.Find(item.Id);
student.Name = item.Name;
db.Entry(student).State = EntityState.Modified;
db.SaveChanges();
}
public static RepoStudent FromDataStudentToRepoStudent(this DataStudent item)
{
return(new RepoStudent
{
Id = item.Id,
Name = item.Name,
});
}
public CUConnect(List <DataStudent> students, DataStudent student, List <Student> original)
{
users = new Dictionary <string, Student>();
StreamReader r = new StreamReader(@"..\CUConnect\Data\classes.json");
string json = r.ReadToEnd();
classes = JsonConvert.DeserializeObject <Dictionary <string, int> >(json);
r = new StreamReader(@"..\CUConnect\Data\hobbies.json");
json = r.ReadToEnd();
hobbies = JsonConvert.DeserializeObject <Dictionary <string, int> >(json);
AllStudents = students;
Student_to_match = student;
foreach (Student o in original)
{
users.Add(o.Username, o);
}
}
public List <Student> Post([FromBody] Student student)
{
string path = @"..\CUConnect\Data\db.json";
StreamReader r = new StreamReader(path);
string json = r.ReadToEnd();
students = JsonConvert.DeserializeObject <List <Student> >(json);
List <DataStudent> newStudentList = new List <DataStudent>();
foreach (Student s in students)
{
DataStudent data = new DataStudent(s.Uid, s.Username, 0, 0, s.Hobbies, s.Classes);
newStudentList.Add(data);
}
DataStudent ds = new DataStudent(student.Uid, student.Username, 0, 0, student.Hobbies, student.Classes);
CUConnect connector = new CUConnect(newStudentList, ds, students);
return(connector.MatchStudents());
}
public double CalculateDistance(DataStudent A, DataStudent B)
{
double hobbyDistance = 0;
double classDistance = 0;
for (int i = 0; i < A.hobbies.Count; i++)
{
hobbyDistance += Math.Abs(hobbies[A.hobbies[i]] - hobbies[B.hobbies[i]]);
}
double hobbyMean = hobbyDistance / A.hobbies.Count;
for (int i = 0; i < A.classes.Count; i++)
{
classDistance += Math.Abs(classes[A.classes[i]] - classes[B.classes[i]]);
}
double classMean = classDistance / A.classes.Count;
double totalDistance = classMean + hobbyMean;
return(totalDistance);
}
public void Delete(int id)
{
DataStudent Student = db.Students.Find(id);
db.Students.Remove(Student);
db.SaveChanges();
}
