Initial commit

source/src/MyTelegram.EventFlow.MongoDB/DefaultEventStoreMongoDbContext.cs

@@ -0,0 +1,26 @@
+using Microsoft.Extensions.Configuration;
+using MongoDB.Driver;
+
+namespace MyTelegram.EventFlow.MongoDB;
+
+public class
+    DefaultEventStoreMongoDbContext(IConfiguration configuration) : IMongoDbContext
+{
+    private IMongoDatabase? _database;
+
+    public IMongoDatabase GetDatabase()
+    {
+        if (_database == null)
+        {
+            var connectionString = configuration.GetConnectionString(GetConnectionStringName());
+            var databaseName = configuration.GetValue<string>(GetKeyOfDatabaseNameInConfiguration());
+            var client = new MongoClient(connectionString);
+            _database = client.GetDatabase(databaseName);
+        }
+
+        return _database;
+    }
+
+    protected virtual string GetConnectionStringName() => "Default";
+    protected virtual string GetKeyOfDatabaseNameInConfiguration() => "App:DatabaseName";
+}