Fix Google API issues with Native Image (#12817)

Inner classes do not play too well with Native Image. Rewritten to only call methods on top-level classes that are explicitly `polyglot java import`ed so they are available for reflection in NI mode.

Author: radeusgd

distribution/lib/Standard/Google_Api/0.0.0-dev/docs/api/Google_Sheets.md

@@ -3,6 +3,6 @@
 - type Google_Api_Error
     - Error message:Standard.Base.Any.Any cause:Standard.Base.Any.Any
 - type Google_Sheets
-    - Service java_service:Standard.Base.Any.Any
-    - get_table self sheet_id:Standard.Base.Any.Any sheet_range:Standard.Base.Any.Any -> Standard.Base.Any.Any
+    - get_sheet_names self workbook_id:Standard.Base.Data.Text.Text -> Standard.Base.Any.Any
+    - get_table self workbook_id:Standard.Base.Data.Text.Text sheet_range:Standard.Base.Data.Text.Text -> Standard.Table.Table.Table
     - initialize credentials:Standard.Base.Any.Any -> Standard.Base.Any.Any

distribution/lib/Standard/Google_Api/0.0.0-dev/src/Google_Sheets.enso

@@ -1,20 +1,19 @@
 from Standard.Base import all
 import Standard.Base.Data.Array_Proxy.Array_Proxy
 import Standard.Base.Metadata.Display
-from Standard.Base.Metadata import make_single_choice, Widget
-from Standard.Base.Metadata.Widget import Single_Choice, Vector_Editor
+from Standard.Base.Metadata import make_single_choice
 from Standard.Base.Enso_Cloud.Enso_Secret import as_credential_reference
 
 from Standard.Table import Table
 
 polyglot java import java.io.IOException
 
-polyglot java import org.enso.google.GoogleSheetsHelpers
+polyglot java import org.enso.google.GoogleSheetsForEnso
 polyglot java import org.enso.google.WrappedGoogleCredentials
 
 type Google_Sheets
     ## PRIVATE
-    Service java_service
+    private Service java_service
 
     ## ICON cloud
        Initializes the Google Sheets instance using the given credentials file.
@@ -25,21 +24,26 @@ type Google_Sheets
          Google Admin Console when generating a key.
     initialize : File|Enso_Secret -> Google_Sheets
     initialize credentials =
-        service = GoogleSheetsHelpers.createService (_wrap_credentials credentials)
+        service = GoogleSheetsForEnso.create (_wrap_credentials credentials)
         Google_Sheets.Service service
 
+    ## PRIVATE
+    get_sheet_names self (workbook_id : Text) =
+        _handle_exceptions <|
+            self.java_service.getSheetNames workbook_id
+
     ## ICON data_input
        Gets a table with the given ID and sheet range.
 
        Arguments:
-       - sheet_id: the ID of the downloaded spreadsheet. It can be read from the
+       - workbook_id: the ID of the downloaded spreadsheet. It can be read from the
          spreadsheet URL.
        - sheet_range: specifies the sheet and cell range to read, e.g.
          `'Sheet1!A1:B7'`.
-    get_table : Text -> Text -> Table
-    get_table self sheet_id sheet_range =
+    @sheet_range _make_sheet_name_widget
+    get_table self (workbook_id : Text) (sheet_range : Text) -> Table =
         values = _handle_exceptions <|
-            self.java_service.getSheetRange sheet_id sheet_range
+            self.java_service.getSheetRange workbook_id sheet_range
         # The first entry is the column name (A, B, ...) and the rest are the values.
         column_vectors = values.map v-> [v.first, v.drop 1]
         # The column lengths may not necessarily be the same, but Table.new expects the same lengths, so we normalize:
@@ -58,8 +62,14 @@ private _handle_exceptions ~action =
 private _wrap_credentials credential:File|Enso_Secret =
     case credential of
         secret : Enso_Secret ->
-            WrappedGoogleCredentials.SecretCredentials.new (as_credential_reference secret)
+            WrappedGoogleCredentials.fromCredentialReference (as_credential_reference secret)
         secret_file : File ->
             secret_file.with_input_stream [File_Access.Read] stream->
                 stream.with_java_stream java_input_stream->
-                    WrappedGoogleCredentials.LocalFileCredentials.fromStream java_input_stream
+                    WrappedGoogleCredentials.fromStream java_input_stream
+
+private _make_sheet_name_widget service:Google_Sheets cache=Nothing =
+    workbook_id = cache.if_not_nothing <| cache "workbook_id"
+    sheet_names = if workbook_id.is_nothing || workbook_id == "" then [] else
+        service.get_sheet_names workbook_id
+    make_single_choice sheet_names display=..Always

std-bits/google-api/src/main/java/org/enso/google/GoogleSheetsForEnso.java

@@ -0,0 +1,56 @@
+package org.enso.google;
+
+import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
+import com.google.api.client.json.gson.GsonFactory;
+import com.google.api.services.sheets.v4.Sheets;
+import com.google.api.services.sheets.v4.SheetsScopes;
+import com.google.auth.http.HttpCredentialsAdapter;
+import java.io.IOException;
+import java.security.GeneralSecurityException;
+import java.util.List;
+
+public class GoogleSheetsForEnso {
+
+  private final Sheets service;
+
+  private GoogleSheetsForEnso(Sheets service) {
+    this.service = service;
+  }
+
+  public static GoogleSheetsForEnso create(WrappedGoogleCredentials credentials)
+      throws GeneralSecurityException, IOException {
+    var credentialsAdapter =
+        new HttpCredentialsAdapter(
+            CredentialsHelper.materialize(credentials).createScoped(SheetsScopes.SPREADSHEETS));
+    Sheets.Builder builder =
+        new Sheets.Builder(
+                GoogleNetHttpTransport.newTrustedTransport(),
+                GsonFactory.getDefaultInstance(),
+                credentialsAdapter)
+            .setApplicationName("Enso");
+    return new GoogleSheetsForEnso(builder.build());
+  }
+
+  public List<List<Object>> getSheetRange(String sheetId, String range) throws IOException {
+    return service
+        .spreadsheets()
+        .values()
+        .get(sheetId, range)
+        .setMajorDimension("COLUMNS")
+        .setValueRenderOption("UNFORMATTED_VALUE")
+        .execute()
+        .getValues();
+  }
+
+  public List<String> getSheetNames(String workbookId) throws IOException {
+    return service
+        .spreadsheets()
+        .get(workbookId)
+        .setIncludeGridData(false)
+        .execute()
+        .getSheets()
+        .stream()
+        .map(sheet -> sheet.getProperties().getTitle())
+        .toList();
+  }
+}

std-bits/google-api/src/main/java/org/enso/google/GoogleSheetsHelpers.java

@@ -10,10 +10,14 @@ public sealed interface WrappedGoogleCredentials {
   record SecretCredentials(ExternalLibraryCredentialHelper.CredentialReference reference)
       implements WrappedGoogleCredentials {}
 
-  @SuppressWarnings("deprecation")
-  record LocalFileCredentials(GoogleCredentials credential) implements WrappedGoogleCredentials {
-    static LocalFileCredentials fromStream(InputStream stream) throws IOException {
-      return new LocalFileCredentials(GoogleCredentials.fromStream(stream));
-    }
+  record LocalFileCredentials(GoogleCredentials credential) implements WrappedGoogleCredentials {}
+
+  static SecretCredentials fromCredentialReference(
+      ExternalLibraryCredentialHelper.CredentialReference reference) {
+    return new SecretCredentials(reference);
+  }
+
+  static LocalFileCredentials fromStream(InputStream stream) throws IOException {
+    return new LocalFileCredentials(GoogleCredentials.fromStream(stream));
   }
 }