Add ai package

ai/proxy.go

@@ -0,0 +1,28 @@
+// Copyright 2023 The Casdoor Authors. All Rights Reserved.
+//
+// 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.
+
+package ai
+
+import (
+	"github.com/casdoor/casdoor/proxy"
+	"github.com/sashabaranov/go-openai"
+)
+
+func getProxyClientFromToken(authToken string) *openai.Client {
+	config := openai.DefaultConfig(authToken)
+	config.HTTPClient = proxy.ProxyHttpClient
+
+	c := openai.NewClientWithConfig(config)
+	return c
+}