forked from lxh/go-wxhelper
134 lines
3.8 KiB
Go
134 lines
3.8 KiB
Go
package handler
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import (
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"context"
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"fmt"
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"github.com/duke-git/lancet/v2/slice"
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"github.com/sashabaranov/go-openai"
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"go-wechat/client"
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"go-wechat/common/current"
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"go-wechat/config"
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"go-wechat/entity"
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"go-wechat/model"
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"go-wechat/service"
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"go-wechat/types"
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"go-wechat/utils"
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"log"
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"regexp"
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"strings"
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"time"
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)
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// handleAtMessage
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// @description: 处理At机器人的消息
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// @param m
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func handleAtMessage(m model.Message) {
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if !config.Conf.Ai.Enable {
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return
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}
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// 取出所有启用了AI的好友或群组
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var count int64
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client.MySQL.Model(&entity.Friend{}).Where("enable_ai IS TRUE").Where("wxid = ?", m.FromUser).Count(&count)
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if count < 1 {
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return
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}
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// 预处理一下发送的消息，用正则去掉@机器人的内容
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re := regexp.MustCompile(`@([^ | ]+)`)
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matches := re.FindStringSubmatch(m.Content)
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if len(matches) > 0 {
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// 过滤掉第一个匹配到的
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m.Content = strings.Replace(m.Content, matches[0], "", 1)
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}
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// 组装消息体
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messages := make([]openai.ChatCompletionMessage, 0)
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if config.Conf.Ai.Personality != "" {
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// 填充人设
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messages = append(messages, openai.ChatCompletionMessage{
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Role: openai.ChatMessageRoleSystem,
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Content: config.Conf.Ai.Personality,
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})
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}
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// 查询发信人前面几条文字信息，组装进来
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var oldMessages []entity.Message
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client.MySQL.Model(&entity.Message{}).
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Where("msg_id != ?", m.MsgId).
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Where("create_at >= DATE_SUB(NOW(),INTERVAL 30 MINUTE)").
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Where("from_user = ? AND group_user = ? AND display_full_content LIKE ?", m.FromUser, m.GroupUser, "%在群聊中@了你").
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Or("to_user = ? AND group_user = ?", m.FromUser, m.GroupUser).
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Order("create_at desc").
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Limit(4).Find(&oldMessages)
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// 翻转数组
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slice.Reverse(oldMessages)
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// 循环填充消息
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for _, message := range oldMessages {
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// 剔除@机器人的内容
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msgStr := message.Content
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matches = re.FindStringSubmatch(msgStr)
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if len(matches) > 0 {
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// 过滤掉第一个匹配到的
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msgStr = strings.Replace(msgStr, matches[0], "", 1)
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}
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// 填充消息
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role := openai.ChatMessageRoleUser
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if message.ToUser != current.GetRobotInfo().WxId {
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// 如果收信人不是机器人，表示这条消息是 AI 发的
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role = openai.ChatMessageRoleAssistant
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}
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messages = append(messages, openai.ChatCompletionMessage{
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Role: role,
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Content: msgStr,
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})
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}
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// 填充用户消息
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messages = append(messages, openai.ChatCompletionMessage{
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Role: openai.ChatMessageRoleUser,
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Content: m.Content,
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})
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// 配置模型
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chatModel := openai.GPT3Dot5Turbo0613
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if config.Conf.Ai.Model != "" {
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chatModel = config.Conf.Ai.Model
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}
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// 默认使用AI回复
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conf := openai.DefaultConfig(config.Conf.Ai.ApiKey)
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if config.Conf.Ai.BaseUrl != "" {
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conf.BaseURL = fmt.Sprintf("%s/v1", config.Conf.Ai.BaseUrl)
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}
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ai := openai.NewClientWithConfig(conf)
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resp, err := ai.CreateChatCompletion(
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context.Background(),
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openai.ChatCompletionRequest{
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Model: chatModel,
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Messages: messages,
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},
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)
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if err != nil {
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log.Printf("OpenAI聊天发起失败: %v", err.Error())
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utils.SendMessage(m.FromUser, m.GroupUser, "AI炸啦~", 0)
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return
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}
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// 保存一下AI 返回的消息，消息 Id 使用传入 Id 的负数
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var replyMessage entity.Message
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replyMessage.MsgId = -m.MsgId
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replyMessage.CreateTime = int(time.Now().Local().Unix())
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replyMessage.CreateAt = time.Now().Local()
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replyMessage.Content = resp.Choices[0].Message.Content
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replyMessage.FromUser = current.GetRobotInfo().WxId // 发信人是机器人
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replyMessage.GroupUser = m.GroupUser // 群成员
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replyMessage.ToUser = m.FromUser // 收信人是发信人
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replyMessage.Type = types.MsgTypeText
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service.SaveMessage(replyMessage) // 保存消息
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// 发送消息
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utils.SendMessage(m.FromUser, m.GroupUser, "\n"+resp.Choices[0].Message.Content, 0)
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}
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