fix(ai): the package version number wasn't properly updated after migrating from vertex_ai (#17745)

Co-authored-by: russellwheatley <[email protected]>

Author: Lyokone

melos.yaml

@@ -17,6 +17,7 @@ command:
     workspaceChangelog: true
     hooks:
       preCommit: |
+        dart run scripts/generate_firebaseai_version.dart && \
         dart run scripts/generate_dataconnect_version.dart && \
         dart run scripts/generate_versions_spm.dart && \
         git add packages/firebase_data_connect/firebase_data_connect/lib/src/dataconnect_version.dart

packages/firebase_ai/firebase_ai/lib/src/base_model.dart

@@ -29,14 +29,14 @@ import 'client.dart';
 import 'content.dart';
 import 'developer/api.dart';
 import 'error.dart';
+import 'firebaseai_version.dart';
 import 'imagen/imagen_api.dart';
 import 'imagen/imagen_content.dart';
 import 'imagen/imagen_edit.dart';
 import 'imagen/imagen_reference.dart';
 import 'live_api.dart';
 import 'live_session.dart';
 import 'tool.dart';
-import 'vertex_version.dart';
 
 part 'generative_model.dart';
 part 'imagen/imagen_model.dart';

packages/firebase_ai/firebase_ai/lib/src/client.dart

@@ -18,7 +18,7 @@ import 'dart:convert';
 import 'package:http/http.dart' as http;
 
 import 'error.dart';
-import 'vertex_version.dart';
+import 'firebaseai_version.dart';
 
 /// Client name to feed into the request.
 const clientName = 'vertexai-dart/$packageVersion';

packages/firebase_ai/firebase_ai/lib/src/vertex_version.dart renamed to packages/firebase_ai/firebase_ai/lib/src/firebaseai_version.dart

@@ -13,4 +13,4 @@
 // limitations under the License.
 
 /// generated version number for the package, do not manually edit
-const packageVersion = '2.0.0';
+const packageVersion = '3.3.0';

scripts/generate_firebaseai_version.dart

@@ -0,0 +1,65 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import 'dart:io' show Directory, File;
+import 'package:path/path.dart' show joinAll;
+import 'package:yaml/yaml.dart' show YamlMap, loadYaml;
+
+Future<void> main() async {
+  final outputPath = joinAll(
+    [
+      Directory.current.path,
+      'packages',
+      'firebase_ai',
+      'firebase_ai',
+      'lib',
+      'src',
+      'firebaseai_version.dart',
+    ],
+  );
+
+  final pubspecPath = joinAll(
+    [
+      Directory.current.path,
+      'packages',
+      'firebase_data_connect',
+      'firebase_data_connect',
+      'pubspec.yaml',
+    ],
+  );
+  final yamlMap = loadYaml(File(pubspecPath).readAsStringSync()) as YamlMap;
+  final currentVersion = yamlMap['version'] as String;
+  final fileContents = File(outputPath).readAsStringSync();
+
+  final lines = fileContents.split('\n');
+
+  const versionLinePrefix = 'const packageVersion = ';
+  bool versionLineFound = false;
+  for (int i = 0; i < lines.length; i++) {
+    if (lines[i].startsWith(versionLinePrefix)) {
+      lines[i] = "$versionLinePrefix'$currentVersion';";
+      versionLineFound = true;
+      break;
+    }
+  }
+
+  if (!versionLineFound) {
+    lines.add("$versionLinePrefix'$currentVersion';");
+  }
+
+  // Join the lines back into a single string
+  final newFileContents = lines.join('\n');
+
+  await File(outputPath).writeAsString(newFileContents);
+}