Operations pipeline start

WotBlitzStatisticsPro.DataAccess/WargamingAccountDataAccessor.cs

@@ -0,0 +1,44 @@
+using System.Runtime.Serialization.Formatters;
+using MongoDB.Driver;
+using WotBlitzStatisticsPro.Common;
+using WotBlitzStatisticsPro.DataAccess.Model.Accounts;
+
+namespace WotBlitzStatisticsPro.DataAccess
+{
+    public class WargamingAccountDataAccessor : IWargamingAccountDataAccessor
+    {
+        private const string AccountInfoCollectionName = "account-info";
+
+
+        private readonly IMongoDatabase _database;
+
+        public WargamingAccountDataAccessor(IMongoSettings mongoSettings)
+        {
+            var client = new MongoClient(mongoSettings.ConnectionString);
+            _database = client.GetDatabase(mongoSettings.DatabaseName);
+
+            CreateAccountIndexesIfNotExists();
+        }
+
+        private void CreateAccountIndexesIfNotExists()
+        {
+            var accountInfoBuilder = Builders<AccountInfo>.IndexKeys;
+            var accountInfoRealmIndexModel = new CreateIndexModel<AccountInfo>(accountInfoBuilder.Ascending(a => a.Realm));
+            var accountInfoLastBattleTimeIndexModel = new CreateIndexModel<AccountInfo>(accountInfoBuilder.Descending(a => a.LastBattleTime));
+            _database.GetCollection<AccountInfo>(AccountInfoCollectionName).Indexes
+                .CreateMany(new[] {accountInfoRealmIndexModel, accountInfoLastBattleTimeIndexModel});
+
+
+            /*
+
+// Multiple keys
+var indexDefinition = Builders<FooDocument>.IndexKeys.Combine(
+Builders<FooDocument>.IndexKeys.Ascending(f => f.Key1),
+Builders<FooDocument>.IndexKeys.Ascending(f => f.Key2));
+
+await collection.Indexes.CreateOneAsync(indexDefinition); 
+ */
+
+        }
+    }
+}