/// <summary>
/// Attempts to load a migrations assembly from the specified path and populate this object
/// </summary>
public async Task InitializeMigrationsAsync(string pathToMigrations)
{
Requires.NotNull(pathToMigrations, "pathToMigrations");
// Find files based on the specified glob
var file = await _filesRepository.GetMostRecentMatchingFile(pathToMigrations);
if (file == null)
{
throw new ProjectException("Path to migrations dll does not exist", null, this);
}
// Load migrations assembly
MigrationsAssembly = await _assemblyRepository.LoadFromFile(file.FullName);
if (MigrationsAssembly == null)
{
throw new ProjectException("Could not load any migrations from the specified file", null, this);
}
// Load referenced Fluent Migrator assembly
FluentMigratorAssemblyName = await _assemblyRepository.GetReferenceByName(MigrationsAssembly, "FluentMigrator");
if (FluentMigratorAssemblyName == null)
{
throw new ProjectException("Could not find a reference to the FluentMigrator assembly", null, this);
}
// Find migration classes
var migrationTypes = await _migrationsRepository.GetMigrationTypes(MigrationsAssembly);
Migrations = migrationTypes.Select(m => new MigrationInfo(_migrationsRepository, _log, this, m)).ToList();
// Find profile classes
var profileTypes = await _migrationsRepository.GetProfileTypes(MigrationsAssembly);
Profiles = profileTypes.Select(p => new ProfileInfo(_migrationsRepository, _log, this, p)).ToList();
await Task.WhenAll(Migrations.Select(m => m.InitializeAsync()));
await Task.WhenAll(Profiles.Select(p => p.InitializeAsync()));
PathToMigrationsDll = pathToMigrations;
_log.Info("Loaded {0} migrations and {1} profiles for project '{2}' from assembly {3}, which uses FluentMigrator {4}",
Migrations.Count, Profiles.Count, Name, MigrationsAssembly.GetName().Name, FluentMigratorAssemblyName.Version.ToString());
}
