public static void Initialize(QuizDbContext context)
{
//ensure the context.Database.EnsureCreated();
context.Database.EnsureCreated();
//Look for any students
if (context.Students.Any())
{
return; //db has been seeded
}
var students = new[]
{
new Student
{
FirstName = "Joy", LastName = "Sang", MidName = "Jiayue",
EnrollmentDate = DateTime.Parse("2018-8-24"), Id = 1
},
};
int studentId = 0;
foreach (Student s in students)
{
context.Students.Add(s);
studentId = s.Id;
}
context.SaveChanges();
var quizTypes = new[]
{
new QuizType {
Id = 1, Type = Operator.Addition.ToString()
},
new QuizType {
Id = 2, Type = Operator.Subtraction.ToString()
},
new QuizType {
Id = 3, Type = Operator.Multiplication.ToString()
},
new QuizType {
Id = 4, Type = Operator.Division.ToString()
},
};
foreach (QuizType s in quizTypes)
{
context.QuizTypes.Add(s);
}
context.SaveChanges();
//generate 10 addtion
Random random = new Random();
var quiz = new Quiz
{
Id = 1,
QuizTypeId = (int)Operator.Addition,
QuizScore = 0,
StudentId = studentId,
QuizItems = new List <QuizItem>()
};
for (int i = 0; i < 10; i++)
{
decimal number1 = random.Next(1, 10000);
decimal number2 = random.Next(1, 10000);
var quizItem = new QuizItem()
{
Id = i + 1, LeftOperand = number1, RightOperand = number2, Operator = Operator.Addition,
Answer = number1 + number2
};
context.QuizItems.Add(quizItem);
quiz.QuizItems.Add(quizItem);
}
context.Quizes.Add(quiz);
context.SaveChanges();
}
public EfRepository(QuizDbContext quizDbContext)
{
_quizDbContext = quizDbContext;
}
