From afbc8e008b22df7073d4d7028d81b0aaa74185a0 Mon Sep 17 00:00:00 2001
From: Sakurasan <26715255+Sakurasan@users.noreply.github.com>
Date: Tue, 4 Jun 2024 00:57:37 +0800
Subject: [PATCH] bing search

---
 pkg/search/bing.go | 69 ++++++++++++++++++++++++++++++++++++++++++++++
 router/chat.go     | 22 +++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 pkg/search/bing.go

diff --git a/pkg/search/bing.go b/pkg/search/bing.go
new file mode 100644
index 0000000..a65dade
--- /dev/null
+++ b/pkg/search/bing.go
@@ -0,0 +1,69 @@
+/*
+文档 https://www.microsoft.com/en-us/bing/apis/bing-web-search-api
+价格 https://www.microsoft.com/en-us/bing/apis/pricing
+
+curl -H "Ocp-Apim-Subscription-Key: <yourkeygoeshere>" https://api.bing.microsoft.com/v7.0/search?q=今天上海天气怎么样
+curl -H "Ocp-Apim-Subscription-Key: 6fc7c97ebed54f75a5e383ee2272c917" https://api.bing.microsoft.com/v7.0/search?q=今天上海天气怎么样
+*/
+
+package search
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"os"
+
+	"github.com/tidwall/gjson"
+)
+
+const (
+	bingEndpoint = "https://api.bing.microsoft.com/v7.0/search"
+)
+
+var subscriptionKey string
+
+func init() {
+	if os.Getenv("bing") != "" {
+		subscriptionKey = os.Getenv("bing")
+	}
+}
+
+func BingSearch(searchParams SearchParams) (any, error) {
+	params := url.Values{}
+	params.Set("q", searchParams.Query)
+	params.Set("count", "5")
+	if searchParams.Num > 0 {
+		params.Set("count", fmt.Sprintf("%d", searchParams.Num))
+	}
+
+	reqURL, _ := url.Parse(bingEndpoint)
+	reqURL.RawQuery = params.Encode()
+
+	req, _ := http.NewRequest("GET", reqURL.String(), nil)
+	req.Header.Set("Ocp-Apim-Subscription-Key", subscriptionKey)
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	defer resp.Body.Close()
+	if err != nil {
+		fmt.Println("Error sending request:", err)
+		return nil, err
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		fmt.Println("Error reading response:", err)
+		return nil, err
+	}
+	result := gjson.ParseBytes(body).Get("webPages.value")
+
+	return result.Raw, nil
+
+}
+
+type SearchParams struct {
+	Query string `form:"q"`
+	Num   int    `form:"num,default=5"`
+}
diff --git a/router/chat.go b/router/chat.go
index 8d2cd8f..ec20464 100644
--- a/router/chat.go
+++ b/router/chat.go
@@ -1,12 +1,14 @@
 package router
 
 import (
+	"bytes"
 	"net/http"
 	"strings"
 
 	"opencatd-open/pkg/claude"
 	"opencatd-open/pkg/google"
 	"opencatd-open/pkg/openai"
+	"opencatd-open/pkg/search"
 
 	"github.com/gin-gonic/gin"
 )
@@ -18,6 +20,26 @@ func ChatHandler(c *gin.Context) {
 		return
 	}
 
+	if chatreq.Messages[len(chatreq.Messages)-1].Role == "user" {
+		result, err := search.BingSearch(search.SearchParams{Query: string(chatreq.Messages[len(chatreq.Messages)-1].Content)})
+		if err == nil {
+			var msgs []openai.ChatCompletionMessage
+			for _, m := range chatreq.Messages {
+				var buf bytes.Buffer
+				buf.WriteString("根据我提问的语言回答我,我将提供一些从搜索引擎获取的信息。你自行判断是否使用搜索引擎获取的内容。不要原封不动照抄,根据你自己的知识库提炼信息之后回答我\n\n")
+				if m.Role == "system" {
+					buf.Write(m.Content)
+					msgs = append(msgs, openai.ChatCompletionMessage{Role: m.Role, Content: buf.Bytes()})
+				} else {
+					msgs = append(msgs, openai.ChatCompletionMessage{Role: m.Role, Content: buf.Bytes()})
+				}
+				msgs = append(msgs, openai.ChatCompletionMessage{Role: m.Role, Content: m.Content})
+			}
+			msgs = append(msgs, openai.ChatCompletionMessage{Role: "tool", Content: []byte(result.(string))})
+			chatreq.Messages = msgs
+		}
+	}
+
 	if strings.HasPrefix(chatreq.Model, "gpt") {
 		openai.ChatProxy(c, &chatreq)
 		return