Ported Indexer plugin to .net core 3

src/modules/launcher/Plugins/indexer/SearchHelper/DriveDetection.cs

@@ -0,0 +1,88 @@
+using System;
+using System.IO;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.Search.Interop;
+
+namespace Wox.Plugin.Indexer.SearchHelper
+{
+    class DriveDetection
+    {
+        // Variable which sets the warning status, can be turned off by user
+        // TODO : To be linked with the UI once it is finalized
+        public bool warningOn = true;
+
+        // Function to return the names of all drives
+        public List<string> GetDrives()
+        {
+            DriveInfo[] allDrives = DriveInfo.GetDrives();
+            List<string> allDriveNames = new List<string>();
+
+            foreach (DriveInfo d in allDrives)
+            {
+                allDriveNames.Add(d.Name);
+            }
+            return allDriveNames;
+        }
+
+        [STAThread]
+        // Function to get all the Search Scopes of the indexer
+        public List<string> GetScopeRules()
+        {
+            List<string> allScopeRules = new List<string>();
+            // This uses the Microsoft.Search.Interop assembly
+            CSearchManager manager = new CSearchManager();
+
+            // SystemIndex catalog is the default catalog in Windows
+            ISearchCatalogManager catalogManager = manager.GetCatalog("SystemIndex");
+
+            // Get the ISearchQueryHelper which will help us to translate AQS --> SQL necessary to query the indexer
+            ISearchCrawlScopeManager crawlScopeManager = catalogManager.GetCrawlScopeManager();
+
+            // search for the scope rules
+            IEnumSearchScopeRules scopeRules = crawlScopeManager.EnumerateScopeRules();
+            CSearchScopeRule scopeRule;
+            uint numScopes = 0;
+
+            bool nextExists = true;
+            while (nextExists)
+            {
+                try
+                {
+                    scopeRules.Next(1, out scopeRule, ref numScopes);
+                    allScopeRules.Add(scopeRule.PatternOrURL);
+                    /*Console.WriteLine(numScopes);*/
+                }
+                catch (Exception ex)
+                {
+                    nextExists = false;
+                }
+            }
+
+            return allScopeRules;
+        }
+
+        // Function to check if all Drives are indexed
+        public bool allDrivesIndexed()
+        {
+            bool allDrivesAreIndexed = true;
+            List<string> drives = GetDrives();
+            List<string> scopeRules = GetScopeRules();
+
+            foreach (var drive in drives)
+            {
+                string driveScope = @"file:///" + drive;
+                if (!scopeRules.Contains(driveScope))
+                {
+                    allDrivesAreIndexed = false;
+                    break;
+                }
+            }
+
+            return allDrivesAreIndexed;
+        }
+
+    }
+}