public async Task ApplyMigrationsAsync()
{
IEnumerable <AppDataMigration> migrations = _migrationDiscoverService.DiscoverMigrations(GetType().Assembly);
List <Guid> ids = await _migrationRepository.GetAllAppliedMigrationIdsAsync();
foreach (var migration in migrations)
{
if (ids.Contains(migration.MigrationId))
{
continue;
}
migration.Timestamp = _dotNetProvider.DateTimeNow;
var context = new MigrationContext
{
Database = _mongoDatabase,
DotNetProvider = _dotNetProvider
};
bool upResult = migration.Up(context);
if (upResult)
{
await _migrationRepository.AddMigrationComplete(migration);
}
else
{
bool downResult = migration.Down(context);
if (!downResult)
{
throw new InvalidOperationException("can you do anything correct?");
}
}
}
}
