public void UpdateModel(string prefix = null)
{
try
{
//Find all unapplied migrations and apply using up operations
//Update model with all unapplied migrations
var appliedMigrations = _rabbitMqHistory.GetAppliedMigrations(prefix);
var allMigrations = GetAllRabbitMqMigrations(prefix);
using (new RabbitMqMigratorLock(_connectionFactory))
{
using var connection = _connectionFactory.CreateConnection();
foreach (var migrationInfo in allMigrations.OrderBy(x => x.Key))
{
var applied = appliedMigrations.GetMigration(migrationInfo.Key);
if (applied == null)
{
// Apply migration operations
ApplyOperations(connection, prefix, migrationInfo.Value.UpOperations);
appliedMigrations.AddMigration(migrationInfo);
}
else if (!string.IsNullOrEmpty(applied.Hash) && applied.Hash != migrationInfo.Value.CalculateHash())
{
// Rollback old version of migration
ApplyOperations(connection, prefix, applied.DownOperations);
// Apply new version of migration
ApplyOperations(connection, prefix, migrationInfo.Value.UpOperations);
applied.UpdateMigration(migrationInfo.Value);
}
else if (string.IsNullOrEmpty(applied.Hash))
{
applied.UpdateMigration(migrationInfo.Value);
}
}
foreach (var applied in appliedMigrations.AppliedMigrations.Where(x => allMigrations.All(y => y.Key != x.Name)).ToList())
{
// Rollback migration because not present in current application
ApplyOperations(connection, prefix, applied.DownOperations);
appliedMigrations.RemoveMigration(applied.Name);
}
_rabbitMqHistory.UpdateAppliedMigrations(appliedMigrations);
}
}
catch (FileLoadException ex)
{
throw new RabbitMqMigrationException($"Could not update RabbitMQ model: could not load file {ex.FileName}", ex);
}
catch (Exception ex)
{
throw new RabbitMqMigrationException("Could not update RabbitMQ model", ex);
}
}
public void TestGetAppliedMigrations()
{
_rabbitMqHistory.Init();
SetupDefaultExchange();
PushDummyMigrationHistoryMessage();
var result = _rabbitMqHistory.GetAppliedMigrations("test");
Assert.IsNotNull(result);
Assert.AreEqual("test", result.Prefix);
Assert.AreEqual(1, result.AppliedMigrations.Count);
Assert.AreEqual("001_TestMigration", result.AppliedMigrations.First().Name);
}
