fix typing

Author: Lyokone

packages/cloud_firestore/cloud_firestore_platform_interface/lib/src/method_channel/method_channel_vector_query.dart

@@ -2,8 +2,9 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'package:cloud_firestore_platform_interface/src/method_channel/method_channel_query_snapshot.dart';
+import 'package:cloud_firestore_platform_interface/src/method_channel/method_channel_vector_query_snapshot.dart';
 import 'package:cloud_firestore_platform_interface/src/method_channel/utils/exception.dart';
+import 'package:cloud_firestore_platform_interface/src/platform_interface/platform_interface_vector_query_snapshot.dart';
 
 import '../../cloud_firestore_platform_interface.dart';
 import 'method_channel_firestore.dart';
@@ -35,7 +36,7 @@ class MethodChannelVectorQuery extends VectorQueryPlatform {
   final VectorQueryOptions _options;
 
   @override
-  Future<MethodChannelQuerySnapshot> get({
+  Future<VectorQuerySnapshotPlatform> get({
     required VectorSource source,
   }) async {
     try {
@@ -52,7 +53,7 @@ class MethodChannelVectorQuery extends VectorQueryPlatform {
         _distanceMeasure,
       );
 
-      return MethodChannelQuerySnapshot(firestore, result);
+      return MethodChannelVectorQuerySnapshot(firestore, result);
     } catch (e, stack) {
       convertPlatformException(e, stack);
     }

packages/cloud_firestore/cloud_firestore_platform_interface/lib/src/method_channel/method_channel_vector_query_snapshot.dart

@@ -0,0 +1,49 @@
+// ignore_for_file: require_trailing_commas
+// Copyright 2017, the Chromium project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:cloud_firestore_platform_interface/cloud_firestore_platform_interface.dart';
+import 'package:cloud_firestore_platform_interface/src/platform_interface/platform_interface_vector_query_snapshot.dart';
+import 'package:collection/collection.dart';
+
+import 'method_channel_document_change.dart';
+
+/// An implementation of [QuerySnapshotPlatform] that uses [MethodChannel] to
+/// communicate with Firebase plugins.
+class MethodChannelVectorQuerySnapshot extends VectorQuerySnapshotPlatform {
+  /// Creates a [MethodChannelVectorQuerySnapshot] from the given [data]
+  MethodChannelVectorQuerySnapshot(
+      FirebaseFirestorePlatform firestore, PigeonQuerySnapshot data)
+      : super(
+            data.documents
+                .map<DocumentSnapshotPlatform?>((document) {
+                  if (document == null) {
+                    return null;
+                  }
+                  return DocumentSnapshotPlatform(
+                    firestore,
+                    document.path,
+                    document.data,
+                    document.metadata,
+                  );
+                })
+                .whereNotNull()
+                .toList(),
+            data.documentChanges
+                .map((documentChange) {
+                  if (documentChange == null) {
+                    return null;
+                  }
+                  return MethodChannelDocumentChange(
+                    firestore,
+                    documentChange,
+                  );
+                })
+                .whereNotNull()
+                .toList(),
+            SnapshotMetadataPlatform(
+              data.metadata.hasPendingWrites,
+              data.metadata.isFromCache,
+            ));
+}

packages/cloud_firestore/cloud_firestore_platform_interface/lib/src/platform_interface/platform_interface_vector_query_snapshot.dart

@@ -3,12 +3,43 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:cloud_firestore_platform_interface/cloud_firestore_platform_interface.dart';
+import 'package:plugin_platform_interface/plugin_platform_interface.dart';
 
-/// [VectorQuerySnapshotPlatform] represents a response to an [VectorQueryPlatform] request.
-class VectorQuerySnapshotPlatform extends QuerySnapshotPlatform {
+/// A interface that contains zero or more [DocumentSnapshotPlatform] objects
+/// representing the results of a query.
+///
+/// The documents can be accessed as a list by calling [docs()] and the number of documents
+/// can be determined by calling [size()].
+class VectorQuerySnapshotPlatform extends PlatformInterface {
+  /// Create a [VectorQuerySnapshotPlatform]
   VectorQuerySnapshotPlatform(
-    super.docs,
-    super.docChanges,
-    super.metadata,
-  ) : super();
+    this.docs,
+    this.docChanges,
+    this.metadata,
+  ) : super(token: _token);
+
+  static final Object _token = Object();
+
+  /// Throws an [AssertionError] if [instance] does not extend
+  /// [VectorQuerySnapshotPlatform].
+  ///
+  /// This is used by the app-facing [QuerySnapshot] to ensure that
+  /// the object in which it's going to delegate calls has been
+  /// constructed properly.
+  static void verify(VectorQuerySnapshotPlatform instance) {
+    PlatformInterface.verify(instance, _token);
+  }
+
+  /// Gets a list of all the documents included in this [VectorQuerySnapshotPlatform]
+  final List<DocumentSnapshotPlatform> docs;
+
+  /// An array of the documents that changed since the last snapshot. If this
+  /// is the first snapshot, all documents will be in the list as Added changes.
+  final List<DocumentChangePlatform> docChanges;
+
+  /// Metadata for the document
+  final SnapshotMetadataPlatform metadata;
+
+  /// The number of documents in this [VectorQuerySnapshotPlatform].
+  int get size => docs.length;
 }