Added options for migration script timeout (#59)

* timeout for migration script

* comment

* removed spaces

* removed spaces

* int changed to TimeSpan

* PascalCase constant

Co-authored-by: Michal Aujeský <aujesky@kros.sk>

src/Migrations/MigrationOptions.cs

@@ -1,4 +1,5 @@
 using Kros.KORM.Migrations.Providers;
+using System;
 using System.Collections.Generic;
 using System.Reflection;
 
@@ -9,13 +10,21 @@ namespace Kros.KORM.Migrations
     /// </summary>
     public class MigrationOptions
     {
+        private const int DefaultTimeoutInSeconds = 30;
+
         private List<IMigrationScriptsProvider> _providers = new List<IMigrationScriptsProvider>();
 
         /// <summary>
         /// List of <see cref="IMigrationScriptsProvider"/>.
         /// </summary>
         public IEnumerable<IMigrationScriptsProvider> Providers => _providers;
 
+        /// <summary>
+        /// Timeout for the migration script command.
+        /// If not set, default value 30s will be used.
+        /// </summary>
+        public TimeSpan Timeout { get; set; } = TimeSpan.FromSeconds(DefaultTimeoutInSeconds);
+
         /// <summary>
         /// Register new <see cref="IMigrationScriptsProvider"/>.
         /// </summary>

src/Migrations/MigrationsRunner.cs

@@ -98,6 +98,7 @@ private async Task ExecuteMigrationScripts(IDatabase database, IEnumerable<Scrip
                 using (Data.ITransaction transaction = database.BeginTransaction())
                 {
                     var script = await scriptInfo.GetScriptAsync();
+                    transaction.CommandTimeout = (int)_migrationOptions.Timeout.TotalSeconds;
 
                     await ExecuteMigrationScript(database, script);
                     await AddNewMigrationInfo(database, scriptInfo);