Work for searching and displaying list of google drive spreadsheets.

RLE.Core/RLE.Core.csproj

@@ -10,6 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Google.Apis.Drive.v3" Version="1.68.0.3574" />
     <PackageReference Include="Google.Apis.Sheets.v4" Version="1.68.0.3547" />
     <None Include="..\README.md" Pack="true" PackagePath="\" />
   </ItemGroup>

RLE.Core/Services/GoogleDriveService.cs

@@ -0,0 +1,32 @@
+using RLE.Core.Wrappers;
+
+namespace RLE.Core.Services;
+
+public interface IGoogleDriveService
+{
+    public Task<IList<string>> GetSheetFiles();
+}
+
+public class GoogleDriveService : IGoogleDriveService
+{
+    private DriveServiceWrapper _driveService;
+
+    public GoogleDriveService(string accessToken)
+    {
+        _driveService = new DriveServiceWrapper(accessToken);
+    }
+
+    public GoogleDriveService(Dictionary<string, string> parameters)
+    {
+        _driveService = new DriveServiceWrapper(parameters);
+    }
+
+    public async Task<IList<string>> GetSheetFiles()
+    {
+        var sheets = await _driveService.GetSheetFiles();
+
+        var sheetList = sheets.Select(s => s.Name.ToString()).ToList();
+
+        return sheetList;
+    }
+}

RLE.Core/Wrappers/DriveServiceWrapper.cs

@@ -0,0 +1,72 @@
+using Google.Apis.Auth.OAuth2;
+using Google.Apis.Drive.v3;
+using RLE.Core.Constants;
+using File = Google.Apis.Drive.v3.Data.File;
+
+namespace RLE.Core.Wrappers;
+
+public interface IDriveServiceWrapper
+{
+    Task<IList<File>> GetSheetFiles();
+    Task<IList<File>> SearchSheetFiles(string name);
+}
+public class DriveServiceWrapper : DriveService, IDriveServiceWrapper
+{
+    private DriveService _driveService = new();
+
+    public DriveServiceWrapper(string accessToken)
+    {
+        var credential = GoogleCredential.FromAccessToken(accessToken.Trim());
+
+        InitializeService(credential);
+    }
+
+    public DriveServiceWrapper(Dictionary<string, string> parameters)
+    {
+        var jsonCredential = new JsonCredentialParameters
+        {
+            Type = parameters["type"].Trim(),
+            PrivateKeyId = parameters["privateKeyId"].Trim(),
+            PrivateKey = parameters["privateKey"].Trim(),
+            ClientEmail = parameters["clientEmail"].Trim(),
+            ClientId = parameters["clientId"].Trim(),
+        };
+
+        var credential = GoogleCredential.FromJsonParameters(jsonCredential);
+
+        InitializeService(credential);
+    }
+
+    private DriveService InitializeService(GoogleCredential credential)
+    {
+        _driveService = new DriveService(new Initializer()
+        {
+            HttpClientInitializer = credential,
+            ApplicationName = GoogleConfig.AppName
+        });
+
+        return _driveService;
+    }
+
+    public async Task<IList<File>> GetSheetFiles()
+    {
+        // Define parameters of request.
+        FilesResource.ListRequest listRequest = _driveService.Files.List();
+        //listRequest.PageSize = 10;
+        listRequest.Q = "mimeType='application/vnd.google-apps.spreadsheet'";
+
+        // List files.
+        return (await listRequest.ExecuteAsync()).Files;
+    }
+
+    public async Task<IList<File>> SearchSheetFiles(string name)
+    {
+        // Define parameters of request.
+        FilesResource.ListRequest listRequest = _driveService.Files.List();
+        //listRequest.PageSize = 10;
+        listRequest.Q = $"mimeType='application/vnd.google-apps.spreadsheet' and name contains '{name}'";
+
+        // List files.
+        return (await listRequest.ExecuteAsync()).Files;
+    }
+}

RLE.Core/Wrappers/SheetServiceWrapper.cs

@@ -49,7 +49,7 @@ public SheetServiceWrapper(Dictionary<string, string> parameters, string spreads
 
     private SheetsService InitializeService(GoogleCredential credential)
     {
-        _sheetsService = new SheetsService(new BaseClientService.Initializer()
+        _sheetsService = new SheetsService(new Initializer()
         {
             HttpClientInitializer = credential,
             ApplicationName = GoogleConfig.AppName