public async Task InitializeDb()
{
await Database.EnsureCreatedAsync();
if (Students.Any() || Groups.Any() || Faculties.Any())
{
return;
}
await using var transaction = await Database.BeginTransactionAsync();
try
{
var students = new[]
{
new Student {
Email = "*****@*****.**", Name = "StudentName1", Surname = "StudentSurname1"
},
new Student {
Email = "*****@*****.**", Name = "StudentName2", Surname = "StudentSurname2"
},
new Student {
Email = "*****@*****.**", Name = "StudentName3", Surname = "StudentSurname3"
},
new Student {
Email = "*****@*****.**", Name = "StudentName4", Surname = "StudentSurname4"
},
new Student {
Email = "*****@*****.**", Name = "StudentName5", Surname = "StudentSurname5"
},
new Student {
Email = "*****@*****.**", Name = "StudentName6", Surname = "StudentSurname6"
}
};
await Students.AddRangeAsync(students);
await SaveChangesAsync();
var groups = new[]
{
new Group {
Name = "PS-12-2"
},
new Group {
Name = "PS-12-1"
},
new Group {
Name = "PE-13-1"
},
new Group {
Name = "PE-13-2"
},
new Group {
Name = "PP-13-1"
},
new Group {
Name = "PP-13-2"
}
};
await Groups.AddRangeAsync(groups);
await SaveChangesAsync();
var faculties = new[]
{
new Faculty {
Name = "Applied math"
},
new Faculty {
Name = "Philosophy"
},
new Faculty {
Name = "Ecology"
}
};
await Faculties.AddRangeAsync(faculties);
await SaveChangesAsync();
await FacultyGroups.AddRangeAsync(new[] {
new FacultyGroup {
GroupId = groups[0].Id, FacultyId = faculties[0].Id
},
new FacultyGroup {
GroupId = groups[1].Id, FacultyId = faculties[0].Id
},
new FacultyGroup {
GroupId = groups[2].Id, FacultyId = faculties[2].Id
},
new FacultyGroup {
GroupId = groups[3].Id, FacultyId = faculties[2].Id
},
new FacultyGroup {
GroupId = groups[4].Id, FacultyId = faculties[1].Id
},
new FacultyGroup {
GroupId = groups[5].Id, FacultyId = faculties[1].Id
}
});
await SaveChangesAsync();
await GroupStudents.AddRangeAsync(new[] {
new GroupStudent {
GroupId = groups[0].Id, StudentId = students[0].Id
},
new GroupStudent {
GroupId = groups[1].Id, StudentId = students[1].Id
},
new GroupStudent {
GroupId = groups[2].Id, StudentId = students[2].Id
},
new GroupStudent {
GroupId = groups[3].Id, StudentId = students[3].Id
},
new GroupStudent {
GroupId = groups[4].Id, StudentId = students[4].Id
},
new GroupStudent {
GroupId = groups[5].Id, StudentId = students[5].Id
}
});
await transaction.CommitAsync();
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
