private async Task SeedSingleSeed(int seedingStep, ServiceProvider serviceProvider, SeedInfo seedInfo)
{
Assert(seedingStep > 0);
Assert(serviceProvider != null);
Assert(seedInfo != null);
Preparing?.Invoke(this, new SeedingEventArgs(seedingStep, seedInfo));
var seed = (ISeed)ActivatorUtilities.GetServiceOrCreateInstance(serviceProvider, seedInfo.SeedType);
foreach (var seedOutputProperty in seedInfo.SeedOutputProperties)
{
// We always want to create a new instance of a seed output class.
// Why? Because in a general case seed output classes will have dependency constructors
// that can potentially have transient dependencies.
var propertyValue = ActivatorUtilities.GetServiceOrCreateInstance(serviceProvider, seedOutputProperty.PropertyType);
seedOutputProperty.SetValue(seed, propertyValue);
}
if (await seed.OutputAlreadyExists())
{
Skipping?.Invoke(this, new SeedingEventArgs(seedingStep, seedInfo));
return;
}
Seeding?.Invoke(this, new SeedingEventArgs(seedingStep, seedInfo));
await seed.Seed();
SeedingEnded?.Invoke(this, new SeedingEventArgs(seedingStep, seedInfo));
}
