public static StudentDirectory LoadStudentDirectory()
{
ObservableCollection <Student> students = new ObservableCollection <Student>();
StudentDirectory studentDirectory = new StudentDirectory();
students = new ObservableCollection <Student>();
string[] names = { "José Luis", "Miguel Ángel", "José Francisco", "Jesús Antonio",
"Sofía", "Camila", "Valentina", "Isabella", "Ximena" };
string[] lastNames = { "Hernández", "García", "Martínez", "López", "González" };
Random rdn = new Random(DateTime.Now.Millisecond);
students = new ObservableCollection <Student>();
for (int i = 0; i < 20; i++)
{
Student student = new Student();
student.Name = names[rdn.Next(0, 8)];
student.LastName = $"{lastNames[rdn.Next(0, 5)]} {lastNames[rdn.Next(0, 5)]}";
string group = rdn.Next(456, 458).ToString();
student.Group = group;
student.StudentNumber = rdn.Next(12384748, 32384748).ToString();
student.Average = rdn.Next(100, 1000) / 10;
students.Add(student);
}
studentDirectory.Students = students;
return(studentDirectory);
}
public static StudentDirectory LoadStudentDirectory()
{
StudentDirectory studentDirectory = new StudentDirectory();
ObservableCollection <Student> students;
string[] names = { "José Luiz", "Miguel Angelo", "José Francisco", "Jesus Antonio", "Sofia", "Camila", "Valentina", "Isabella", "Ximena" };
string[] lastNames = { "Fernandes", "Garcia", "Matins", "Lopes", "Gonzales" };
Random random = new Random(DateTime.Now.Millisecond);
students = new ObservableCollection <Student>();
for (int i = 0; i < 20; i++)
{
Student student = new Student();
student.Name = names[random.Next(0, 8)];
student.Lastname = $"{lastNames[random.Next(0, 5)]} {lastNames[random.Next(0, 5)]}";
student.Group = random.Next(456, 458).ToString();
student.StudentNumber = random.Next(12384748, 32384748).ToString();
student.Average = random.Next(100, 1000) / 10;
students.Add(student);
}
studentDirectory.Students = students;
return(studentDirectory);
}
public static StudentDirectory loadStudentDirectory()
{
DatabaseManager dbManager = new DatabaseManager();
ObservableCollection <Student> students = new ObservableCollection <Student>(dbManager.GetAllItems <Student>());
StudentDirectory studentDirectory = new StudentDirectory();
if (students.Any())
{
studentDirectory.Students = students;
return(studentDirectory);
}
students = new ObservableCollection <Student>();
string[] names =
{
"Andres Felipe",
"Sebastian",
"Alvaro",
"Ediney",
"Jose Miguel",
"Daniela",
"Camila",
"Carolina"
};
string[] lastName =
{
"Polo",
"Estupiñan",
"Vargas",
"Perez",
"Galan"
};
Random rdn = new Random(DateTime.Now.Millisecond);
for (int i = 0; i < 20; i++)
{
Student student = new Student();
student.Name = names[rdn.Next(0, 7)];
student.LastName = lastName[rdn.Next(0, 4)];
student.Group = rdn.Next(456, 458).ToString();
student.StudentNumber = rdn.Next(12384748, 32384748).ToString();
student.Key = student.StudentNumber;
student.Average = rdn.Next(100, 1000) / 10;
students.Add(student);
dbManager.SaveValue <Student>(student);
}
studentDirectory.Students = students;
return(studentDirectory);
}
static void Main(string[] args)
{
StudentDirectory studentDirectory = new StudentDirectory();
bool again = true;
Console.Write("Welcome to the class. ");
while (again == true)
{
Console.WriteLine("Which student would you like to learn more about? " +
"(enter a number 1-" + studentDirectory.Directory.Count() + "): ");
Student selectedStudent = SelectStudent(studentDirectory);
Console.WriteLine("What would you like to know about this student? " +
@"enter ""hometown"", or ""favorite food"": ");
SelectInfo(selectedStudent);
again = Again();
}
}
public void StudentDirectoryTestJson()
{
List <Student> students = new List <Student>
{
new Student("nabeel", "234342"),
new Student("yin", "3423423"),
new Student("bill", "4234"),
new Student("sashi", "545454"),
new Student("jon", "53453453")
};
StudentDirectory p = new StudentDirectory(students);
SimplTypesScope simplTypesScope = SimplTypesScope.Get("studentDir", typeof(Person),
typeof(Student), typeof(StudentDirectory));
TestMethods.TestSimplObject(p, simplTypesScope, Format.Json);
}
static void Main(string[] args)
{
StudentDirectory database = new StudentDirectory();
var sortedStudents = database.Students.OrderByDescending(firstName => firstName.FirstName).ThenBy(lastname => lastname.LastName);
Console.WriteLine("Sorted by using of Lambda expression");
Console.WriteLine();
foreach (var student in sortedStudents)
{
Console.WriteLine("{0} {1} {2}",student.FirstName, student.LastName, student.FacultyNumber);
}
var sortStudentsQuery = database.Students.SortStudentsQuery();
Console.WriteLine();
Console.WriteLine("Sorted by using of LINQ Query");
Console.WriteLine();
foreach (var student in sortStudentsQuery)
{
Console.WriteLine("{0} {1} {2}",student.FirstName, student.LastName, student.FacultyNumber);
}
}
public static StudentDirectory LoadStudentDirectory()
{
DatabaseManager dbManager = new DatabaseManager();
ObservableCollection <Student> students = new ObservableCollection <Student>(dbManager.GetAllItems <Student>());
StudentDirectory studentDirectory = new StudentDirectory();
if (students.Any())
{
studentDirectory.Students = students;
return(studentDirectory);
}
students = new ObservableCollection <Student>();
string[] names = { "André", "Luís", "Marcos", "José" };
string[] lastNames = { "André", "Luís", "Marcos", "José" };
Random rdn = new Random(DateTime.Now.Millisecond);
students = new ObservableCollection <Student>();
for (int i = 0; i < 20; i++)
{
Student student = new Student();
student.Name = names[rdn.Next(0, 4)];
student.LastName = lastNames[rdn.Next(0, 4)];
string group = rdn.Next(456, 458).ToString();
student.Group = group;
student.StudentNumber = rdn.Next(123456, 3223423).ToString();
student.Key = student.StudentNumber;
student.Average = rdn.Next(100, 1000) / 10;
students.Add(student);
dbManager.SaveValue(student);
}
studentDirectory.Students = students;
return(studentDirectory);
}
public static StudentDirectory LoadStudentDirectory()
{
DatabaseManager db = new DatabaseManager();
ObservableCollection <Student> students = new ObservableCollection <Student>(db.GetAllItens <Student>());
StudentDirectory studentDirectory = new StudentDirectory();
if (students.Any())
{
studentDirectory.Students = students;
return(studentDirectory);
}
students = new ObservableCollection <Student>();
string[] name = { "Jose", "Pedro", "Maria", "Felipe", "Ana", "Maria" };
string[] sobrenome = { "Silva", "Ribeiro", "Santos", "Garcia", "Gonzalez" };
Random rd = new Random(DateTime.Now.Millisecond);
students = new ObservableCollection <Student>();
for (int i = 0; i < 20; i++)
{
Student estudante = new Student();
estudante.Nome = name[rd.Next(0, 5)];
estudante.Sobrenome = $"{sobrenome[rd.Next(0,5)]}{sobrenome[rd.Next(0, 5)] }";
string classe = rd.Next(456, 458).ToString();
estudante.Classe = classe;
estudante.Numero = rd.Next(12384748, 32384748).ToString();
estudante.Media = rd.Next(100, 1000) / 10;
estudante.Key = estudante.Numero;
students.Add(estudante);
db.SaveValue <Student>(estudante);
}
studentDirectory.Students = students;
return(studentDirectory);
}
public static StudentDirectory LoadStudentDirectory()
{
Student student;
StudentDirectory studentDirectory = new StudentDirectory();
DatabaseManager dbManager = new DatabaseManager();
ObservableCollection <Student> students = new ObservableCollection <Student>(dbManager.GetList <Student>());
Random random = new Random(DateTime.Now.Millisecond);
if (students.Any())
{
studentDirectory.Students = students;
return(studentDirectory);
}
students = new ObservableCollection <Student>();
string[] names = { "Andrés", "Alejandro", "Fabián", "Sebastián", "Carlos", "César", "Héctor", "Germán" };
string[] lastNames = { "Rosales", "Cadavid", "Díaz", "Delgado", "Carvajal", "Ramírez", "Arias", "Pardo" };
for (byte i = 0; i < 20; i++)
{
student = new Student()
{
Name = names[random.Next(0, names.Length - 1)],
LastName = lastNames[random.Next(0, lastNames.Length - 1)],
Group = random.Next(456, 458).ToString(),
StudentNumber = random.Next(12345678, 345678900).ToString(),
Key = random.Next(12345678, 345678900).ToString(),
Average = random.Next(100, 1000) / 10
};
dbManager.Save <Student>(student);
students.Add(student);
}
studentDirectory.Students = students;
return(studentDirectory);
}
public static Student SelectStudent(StudentDirectory studentDirectory)
{
string idInput = Console.ReadLine().ToLower();
int id;
try
{
id = Int32.Parse(idInput);
}
catch (FormatException e)
{
Console.WriteLine(e.StackTrace);
Console.WriteLine("enter a number 1-" + studentDirectory.Directory.Count());
return(SelectStudent(studentDirectory));
}
catch (OverflowException e)
{
Console.WriteLine(e.StackTrace);
Console.WriteLine(e.Message);
Console.WriteLine("enter a number 1-" + studentDirectory.Directory.Count());
return(SelectStudent(studentDirectory));
}
try
{
Console.WriteLine("Student " + id + " is " +
studentDirectory.GetStudent(id).Name + ".");
return(studentDirectory.GetStudent(id));
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
Console.WriteLine("That's not a student, try again.");
return(SelectStudent(studentDirectory));
}
}
public StudentDirectoryVM()
{
IsBusy = false;
StudentDirectory = new StudentDirectory();
LoadDirectoryCommand = new Command(LoadDirectory, () => !IsBusy);
}
public FormAssistControlPage()
{
InitializeComponent();
BindingContext = new StudentDirectory();
}
