public MongoEventStore(ILoggerFactory loggerFactory, IEventStoreOptions options)
{
if (!(options is IMongoEventStoreOptions mongoOptions))
{
throw new Exception("Options should be of type IMongoDatabaseOptions");
}
Logger = loggerFactory.CreateLogger(GetType());
var mongoClientSettings = new MongoClientSettings
{
Server = MongoServerAddress.Parse(mongoOptions.ConnectionString)
};
try
{
var client = new MongoClient(mongoClientSettings);
var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
if (string.IsNullOrWhiteSpace(environment))
{
environment = "testing";
}
var mongoDatabase = client.GetDatabase($"{mongoOptions.DatabaseName}-{environment}");
Collection = mongoDatabase.GetCollection <TEvent>(options.CollectionName);
}
catch (Exception exception)
{
Logger.LogCritical(
$"Error while connecting to {mongoClientSettings.Server.Host}. Exception: {exception.Message}",
exception);
throw;
}
}
private static void AddEventStore <T>(this IServiceCollection services, IEventStoreOptions options)
{
services.AddMemoryCache();
services.AddLogging();
services.AddSingleton(options);
switch (options)
{
case IMongoEventStoreOptions _:
{
BsonSerializer.RegisterSerializer(typeof(DateTime), DateTimeSerializer.LocalInstance);
services.AddSingleton <IEventStore <T>, MongoEventStore <T> >();
break;
}
case IInMemoryEventStoreOptions _:
{
services.AddSingleton <IEventStore <T>, MongoEventStore <T> >();
break;
}
default:
throw new ArgumentOutOfRangeException("Unsupported database");
}
}
