public static void AddPrerequisites(this ModelBuilder builder, IEnumerable <Prerequisite> prerequisites, Func <BasePrerequisiteBinding> createBinding)
{
foreach (Prerequisite prerequisite in prerequisites)
{
BasePrerequisiteBinding binding = createBinding.Invoke();
binding.Id = prerequisite.Id;
builder.AddPrerequisite(prerequisite, binding);
}
}
public static void AddPrerequisite(this ModelBuilder builder, Prerequisite prerequisite, BasePrerequisiteBinding binding)
{
binding.PrerequisiteId = prerequisite.Id;
prerequisite.BindingId = binding.Id;
builder.AddData(binding.GetType(), binding);
switch (prerequisite)
{
case ChoicePrerequisite choicePrerequisite:
foreach (Prerequisite innerPrerequisite in choicePrerequisite.Choices)
{
builder.AddPrerequisite(innerPrerequisite, new ChoicePrerequisiteBinding {
Id = innerPrerequisite.Id, ChoiceId = choicePrerequisite.Id
});
}
choicePrerequisite.Choices = Array.Empty <Prerequisite>();
break;
case CombinedPrerequisite combinedPrerequisite:
foreach (Prerequisite innerPrerequisite in combinedPrerequisite.Entries)
{
builder.AddPrerequisite(innerPrerequisite, new CombinedPrerequisiteBinding {
Id = innerPrerequisite.Id, CombinationId = combinedPrerequisite.Id
});
}
combinedPrerequisite.Entries = Array.Empty <Prerequisite>();
break;
}
builder.Entity(prerequisite.GetType()).HasData(prerequisite);
}