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forked from lxh/go-wxhelper
go-wxhelper/handler/at_message.go

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