private static void SeedProfessors(UniversityDbContext dbContext)
{
if (!dbContext.Professors.Any())
{
dbContext.Professors.AddRange(KnownUsers.Get().Where(u => u.Type == UserTypes.Professor || u.Type == UserTypes.Principal).Select(data => Professor.Create(data.Id, data.GivenName, data.FamilyName, data.Email, data.Id)));
dbContext.SaveChanges();
}
}
private static void SeedStudents(UniversityDbContext dbContext)
{
if (!dbContext.Students.Any())
{
dbContext.Students.AddRange(KnownUsers.Get().Where(u => u.Type == UserTypes.Student).Select(data => Student.Create(data.Id, data.GivenName, data.FamilyName, data.Email, data.Id)));
dbContext.SaveChanges();
}
}
public static void SeedDb(UniversityDbContext dbContext)
{
dbContext.Database.EnsureCreated();
if (dbContext.Students.Any())
{
return;
}
SeedProfessors(dbContext);
SeedStudents(dbContext);
SeedCourses(dbContext);
AssignKnownProfessors(dbContext);
}
private static void SeedCourses(UniversityDbContext dbContext)
{
if (!dbContext.Courses.Any())
{
dbContext.Courses.AddRange(new[]
{
Course.Create("math_1", "Math_1", "How to take a picture of a black hole", "How to take a picture of a black hole"),
Course.Create("physics_1", "Physics_1", "How to take a picture of a black hole", "How to take a picture of a black hole"),
Course.Create("selfdefense_1", "SelfDefense_1", "Roundhouse Kick", "How to do the perfect Roundhouse Kick."),
Course.Create("memory_1", "Memory_1", "Memory lost, what now", "Guidelines to cope with memory loss."),
});
dbContext.SaveChanges();
}
}
private static void AssignKnownProfessors(UniversityDbContext dbContext)
{
var bouman = dbContext.Professors.Find("katie");
var physics = dbContext.Courses.Find("physics_1");
var math = dbContext.Courses.Find("math_1");
physics.AssignProfessorToCourse(bouman);
math.AssignProfessorToCourse(bouman);
var norris = dbContext.Professors.Find("chuck");
var selfdefense = dbContext.Courses.Find("selfdefense_1");
var memory = dbContext.Courses.Find("memory_1");
selfdefense.AssignProfessorToCourse(norris);
memory.AssignProfessorToCourse(norris);
dbContext.SaveChanges();
}
