/// <summary>
/// Scan for implementations of the IMigration interface in the provided assembly and order by name
/// </summary>
public void ReadAssemblyMigrations(Assembly migrationAssembly)
{
//
foreach (var exportedType in migrationAssembly.ExportedTypes)
{
if (exportedType.GetTypeInfo().GetInterfaces().Contains(typeof(IMigration)))
{
var previousMigration = (IMigration)Activator.CreateInstance(exportedType);
Migrations.Add(previousMigration);
}
}
Migrations = Migrations.OrderBy(m => m.Name).ToList();
}
public async Task <ICollection <IMigration> > GetPendingMigrationsAsync()
{
var migrations = Migrations.OrderBy(m => m.Version).ToList();
var completedMigrations = await _migrationRepository.GetAllAsync(o => o.PageLimit(1000)).AnyContext();
int max = 0;
// if migrations have never run before, mark highest version as completed
if (completedMigrations.Documents.Count == 0)
{
if (migrations.Count > 0)
{
max = migrations.Where(m => m.Version.HasValue).Max(m => m.Version.Value);
}
await MarkMigrationCompleteAsync(max);
return(new List <IMigration>());
}
int currentVersion = completedMigrations.Documents.Max(m => m.Version);
return(migrations.Where(m => (m.Version.HasValue == false && ShouldRunUnversionedMigrations) || (m.Version.HasValue && m.Version > currentVersion)).ToList());
}
