implement online chatgpt feature

api/anonymous.go

@@ -21,14 +21,14 @@ func GetAnonymousResponse(message string) (string, error) {
 		"Content-Type":  "application/json",
 		"Authorization": "Bearer " + viper.GetString("openai.anonymous"),
 	}, types.ChatGPTRequest{
-		Model: "gpt-3.5-turbo-16k",
-		Messages: []types.ChatGPTMessage{
+		Model: "gpt-3.5-turbo",
+		Messages: ChatWithWeb([]types.ChatGPTMessage{
 			{
 				Role:    "user",
 				Content: message,
 			},
-		},
-		MaxToken: 250,
+		}, message),
+		MaxToken: 1000,
 	})
 	if err != nil {
 		return "", err

api/chat.go

@@ -63,8 +63,8 @@ func ChatAPI(c *gin.Context) {
 		if err != nil {
 			return
 		}
-		if _, err := instance.AddMessageFromUserForm(message); err == nil {
-			StreamRequest("gpt-3.5-turbo", instance.GetMessageSegment(5), 500, func(resp string) {
+		if msg, err := instance.AddMessageFromUserForm(message); err == nil {
+			StreamRequest("gpt-3.5-turbo", ChatWithWeb(instance.GetMessageSegment(5), msg), 1500, func(resp string) {
 				data, _ := json.Marshal(map[string]interface{}{
 					"message": resp,
 					"end":     false,

api/stream.go

@@ -5,7 +5,6 @@ import (
 	"chat/utils"
 	"crypto/tls"
 	"encoding/json"
-	"fmt"
 	"github.com/spf13/viper"
 	"io"
 	"log"
@@ -23,13 +22,20 @@ func processLine(buf []byte) []string {
 	array := strings.Split(data, "\n")
 	resp := make([]string, 0)
 	for _, item := range array {
-		item = fmt.Sprintf("{%s}", strings.TrimSpace(item))
+		item = strings.TrimSpace(item)
+		if !strings.HasPrefix(item, "{") {
+			item = "{" + item
+		}
+		if !strings.HasSuffix(item, "}}") {
+			item = item + "}"
+		}
+
 		if item == "{data: [DONE]}" {
 			break
 		}
 		var form types.ChatGPTStreamResponse
 		if err := json.Unmarshal([]byte(item), &form); err != nil {
-			log.Fatal(err)
+			log.Println(item, err)
 		}
 		choices := form.Data.Choices
 		if len(choices) > 0 {
@@ -50,7 +56,7 @@ func StreamRequest(model string, messages []types.ChatGPTMessage, token int, cal
 		Stream:   true,
 	}))
 	if err != nil {
-		log.Fatal(err)
+		return
 	}
 
 	req.Header.Set("Content-Type", "application/json")

api/utils.go

@@ -0,0 +1,16 @@
+package api
+
+import (
+	"chat/types"
+	"chat/utils"
+	"chat/web"
+	"fmt"
+	"time"
+)
+
+func ChatWithWeb(message []types.ChatGPTMessage, current string) []types.ChatGPTMessage {
+	return utils.Insert(message, 0, types.ChatGPTMessage{
+		Role:    "system",
+		Content: fmt.Sprintf("你将扮演AI问答助手，你的知识库不是截止于2021年9月，而是可以实时联网的，你可以提供实时联网的知识库。当前时间: %s, 你的知识库：%s", time.Now().Format("2006-01-02 15:04:05"), web.SearchBing(current)),
+	})
+}

app/src/App.vue

@@ -74,8 +74,8 @@ function toggle(n: boolean) {
   box-shadow: 0 0 16px var(--card-shadow);
   width: calc(100% - 32px);
   height: 100%;
-  max-width: 1000px;
-  max-height: 600px;
+  max-width: 1200px;
+  max-height: 650px;
 }
 
 aside {

app/src/assets/script/conversation.ts

@@ -85,7 +85,6 @@ export class Conversation {
   }
 
   public notReady(): boolean {
-    console.log(Boolean(auth.value && !this.connection?.state))
     return Boolean(auth.value && !this.connection?.state);
   }
 

conversation/conversation.go

@@ -3,6 +3,7 @@ package conversation
 import (
 	"chat/types"
 	"chat/utils"
+	"errors"
 )
 
 type Conversation struct {
@@ -75,11 +76,25 @@ func (c *Conversation) AddMessageFromSystem(message string) {
 	})
 }
 
-func (c *Conversation) AddMessageFromUserForm(data []byte) (string, error) {
+func GetMessage(data []byte) (string, error) {
 	form, err := utils.Unmarshal[FormMessage](data)
 	if err != nil {
 		return "", err
 	}
+	if len(form.Message) == 0 {
+		return "", errors.New("message is empty")
+	}
+	return form.Message, nil
+}
+
+func (c *Conversation) AddMessageFromUserForm(data []byte) (string, error) {
+	form, err := utils.Unmarshal[FormMessage](data)
+	if err != nil {
+		return "", err
+	} else if len(form.Message) == 0 {
+		return "", errors.New("message is empty")
+	}
+
 	c.Message = append(c.Message, types.ChatGPTMessage{
 		Role:    "user",
 		Content: form.Message,

utils/base.go

@@ -1,5 +1,7 @@
 package utils
 
+import "fmt"
+
 func Contains[T comparable](value T, slice []T) bool {
 	for _, item := range slice {
 		if item == value {
@@ -8,3 +10,22 @@ func Contains[T comparable](value T, slice []T) bool {
 	}
 	return false
 }
+
+func TryGet[T any](arr []T, index int) T {
+	if index >= len(arr) {
+		return arr[0]
+	}
+	return arr[index]
+}
+
+func Debug[T any](v T) T {
+	fmt.Println(v)
+	return v
+}
+
+func Insert[T any](arr []T, index int, value T) []T {
+	arr = append(arr, value)
+	copy(arr[index+1:], arr[index:])
+	arr[index] = value
+	return arr
+}

utils/net.go

@@ -31,11 +31,42 @@ func Http(uri string, method string, ptr interface{}, headers map[string]string,
 	return nil
 }
 
+func HttpRaw(uri string, method string, headers map[string]string, body io.Reader) (data []byte, err error) {
+	req, err := http.NewRequest(method, uri, body)
+	if err != nil {
+		return nil, err
+	}
+	for key, value := range headers {
+		req.Header.Set(key, value)
+	}
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+
+	defer resp.Body.Close()
+
+	if data, err = io.ReadAll(resp.Body); err != nil {
+		return nil, err
+	}
+	return data, nil
+}
+
 func Get(uri string, headers map[string]string) (data interface{}, err error) {
 	err = Http(uri, http.MethodGet, &data, headers, nil)
 	return data, err
 }
 
+func GetRaw(uri string, headers map[string]string) (data string, err error) {
+	buffer, err := HttpRaw(uri, http.MethodGet, headers, nil)
+	if err != nil {
+		return "", err
+	}
+	return string(buffer), nil
+}
+
 func Post(uri string, headers map[string]string, body interface{}) (data interface{}, err error) {
 	err = Http(uri, http.MethodPost, &data, headers, ConvertBody(body))
 	return data, err

web/parser.go

@@ -0,0 +1,68 @@
+package web
+
+import (
+	"chat/utils"
+	"golang.org/x/net/html"
+	"regexp"
+	"strings"
+)
+
+var unexpected = []string{
+	"<cite>",
+	"<span class=\"sb_count\">",
+	"<div class=\"ntf_label toggle_label nt_tit\" id=\"ntf_newtabfil_label\">",
+	"<img role=\"presentation\"",
+}
+
+func ParseBing(source string) string {
+	body := SplitPagination(GetMainBody(source))
+	res := strings.Join(GetContent(body), " ")
+	return html.UnescapeString(res)
+}
+
+func GetMainBody(html string) string {
+	suf := utils.TryGet(strings.Split(html, "<main aria-label=\"搜索结果\">"), 1)
+	return strings.Split(suf, "</main>")[0]
+}
+
+func SplitPagination(html string) string {
+	pre := strings.Split(html, "<li class=\"b_msg b_canvas\">")[0]
+	return utils.TryGet(strings.Split(pre, "<div class=\"ntf_label toggle_label nt_tit\" id=\"ntf_newtabfil_label\">在新选项卡中打开链接</div>"), 1)
+}
+
+func GetContent(html string) []string {
+	re := regexp.MustCompile(`>([^<]+)<`)
+	matches := re.FindAllString(html, -1)
+
+	return FilterContent(matches)
+}
+
+func IsExpected(data string) bool {
+	if IsLink(data) {
+		return false
+	}
+	for _, str := range unexpected {
+		if strings.HasPrefix(data, str) {
+			return false
+		}
+	}
+	return true
+}
+
+func IsLink(input string) bool {
+	re := regexp.MustCompile(`^(https?|ftp):\/\/[^\s/$.?#].\S*$`)
+	return re.MatchString(input)
+}
+
+func FilterContent(matches []string) []string {
+	res := make([]string, 0)
+
+	for _, match := range matches {
+		source := strings.TrimSpace(match[1 : len(match)-1])
+		if len(source) > 0 && IsExpected(source) {
+			res = append(res, source)
+		}
+	}
+
+	return res
+}

web/search.go

@@ -0,0 +1,29 @@
+package web
+
+import (
+	"chat/utils"
+	"net/url"
+)
+
+func GetBingUrl(q string) string {
+	return "https://cn.bing.com/search?q=" + url.QueryEscape(q)
+}
+
+func RequestWithUA(url string) string {
+	data, err := utils.GetRaw(url, map[string]string{
+		"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/116.0",
+		"Accept":     "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
+	})
+
+	if err != nil {
+		return ""
+	}
+
+	return data
+}
+
+func SearchBing(q string) string {
+	uri := GetBingUrl(q)
+	data := RequestWithUA(uri)
+	return ParseBing(data)
+}