#4303: add search function.

Oqtane.Server/Managers/Search/SearchIndexManagerBase.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.Extensions.DependencyInjection;
+using Oqtane.Models;
+using Oqtane.Repository;
+using Oqtane.Services;
+using Oqtane.Shared;
+
+namespace Oqtane.Managers.Search
+{
+    public abstract class SearchIndexManagerBase : ISearchIndexManager
+    {
+        private readonly IServiceProvider _serviceProvider;
+
+        public SearchIndexManagerBase(IServiceProvider serviceProvider)
+        {
+            _serviceProvider = serviceProvider;
+        }
+
+        public abstract int Priority { get; }
+
+        public abstract string Name { get; }
+
+        public abstract int IndexDocuments(int siteId, DateTime? startDate, Action<IList<SearchDocument>> processSearchDocuments, Action<string> handleError);
+
+        public virtual bool IsIndexEnabled(int siteId)
+        {
+            var settingName = string.Format(Constants.SearchIndexManagerEnabledSettingFormat, Name);
+            var settingRepository = _serviceProvider.GetRequiredService<ISettingRepository>();
+            var setting = settingRepository.GetSetting(EntityNames.Site, siteId, settingName);
+            return setting == null || setting.SettingValue == "true";
+        }
+    }
+}