database maintenance jobs setup in admin

src/Core/Repositories/IMaintenanceRepository.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+
+namespace Bit.Core.Repositories
+{
+    public interface IMaintenanceRepository
+    {
+        Task UpdateStatisticsAsync();
+        Task RebuildIndexesAsync();
+    }
+}

src/Core/Repositories/SqlServer/MaintenanceRepository.cs

@@ -0,0 +1,42 @@
+using System.Data;
+using System.Data.SqlClient;
+using System.Threading.Tasks;
+using Dapper;
+
+namespace Bit.Core.Repositories.SqlServer
+{
+    public class MaintenanceRepository : BaseRepository, IMaintenanceRepository
+    {
+        public MaintenanceRepository(GlobalSettings globalSettings)
+            : this(globalSettings.SqlServer.ConnectionString)
+        { }
+
+        public MaintenanceRepository(string connectionString)
+            : base(connectionString)
+        { }
+
+        public async Task UpdateStatisticsAsync()
+        {
+            using(var connection = new SqlConnection(ConnectionString))
+            {
+                await connection.ExecuteAsync(
+                    "[dbo].[AzureSQLMaintenance]",
+                    new { operation = "statistics", mode = "smart", LogToTable = true },
+                    commandType: CommandType.StoredProcedure,
+                    commandTimeout: 86400);
+            }
+        }
+
+        public async Task RebuildIndexesAsync()
+        {
+            using(var connection = new SqlConnection(ConnectionString))
+            {
+                await connection.ExecuteAsync(
+                    "[dbo].[AzureSQLMaintenance]",
+                    new { operation = "index", mode = "smart", LogToTable = true },
+                    commandType: CommandType.StoredProcedure,
+                    commandTimeout: 86400);
+            }
+        }
+    }
+}

src/Core/Utilities/ServiceCollectionExtensions.cs

@@ -44,6 +44,7 @@ namespace Bit.Core.Utilities
             services.AddSingleton<IGroupRepository, SqlServerRepos.GroupRepository>();
             services.AddSingleton<IU2fRepository, SqlServerRepos.U2fRepository>();
             services.AddSingleton<IInstallationRepository, SqlServerRepos.InstallationRepository>();
+            services.AddSingleton<IMaintenanceRepository, SqlServerRepos.MaintenanceRepository>();
 
             if(globalSettings.SelfHosted)
             {