✨ 完善插件

common/current/robot.go

@@ -1,19 +1,44 @@
 package current
 
-import "go-wechat/model"
+import (
+	"go-wechat/model"
+	plugin "go-wechat/plugin"
+)
 
-var robotInfo model.RobotUserInfo
+// robotInfo
+// @description: 机器人信息
+type robotInfo struct {
+	info           model.RobotUserInfo
+	MessageHandler plugin.MessageHandler // 启用的插件
+}
+
+// 当前接入的机器人信息
+var ri robotInfo
 
 // SetRobotInfo
 // @description: 设置机器人信息
 // @param info
 func SetRobotInfo(info model.RobotUserInfo) {
-	robotInfo = info
+	ri.info = info
 }
 
 // GetRobotInfo
 // @description: 获取机器人信息
 // @return model.RobotUserInfo
 func GetRobotInfo() model.RobotUserInfo {
-	return robotInfo
+	return ri.info
+}
+
+// GetRobotMessageHandler
+// @description: 获取机器人插件信息
+// @return robotInfo
+func GetRobotMessageHandler() plugin.MessageHandler {
+	return ri.MessageHandler
+}
+
+// SetRobotMessageHandler
+// @description: 设置机器人插件信息
+// @param handler
+func SetRobotMessageHandler(handler plugin.MessageHandler) {
+	ri.MessageHandler = handler
 }

initialization/plugin.go

@@ -0,0 +1,38 @@
+package initialization
+
+import (
+	"go-wechat/common/current"
+	"go-wechat/model"
+	plugin "go-wechat/plugin"
+	"go-wechat/plugin/plugins"
+)
+
+// Plugin
+// @description: 初始化插件
+func Plugin() {
+	// 定义一个处理器
+	dispatcher := plugin.NewMessageMatchDispatcher()
+	// 设置为异步处理
+	dispatcher.SetAsync(true)
+
+	// 注册插件
+
+	// 保存消息进数据库
+	dispatcher.RegisterHandler(func(*model.Message) bool {
+		return true
+	}, plugins.SaveToDb)
+
+	// AI消息插件
+	dispatcher.RegisterHandler(func(m *model.Message) bool {
+		// 群内@或者私聊文字消息
+		return m.IsAt() || m.IsPrivateText()
+	}, plugins.AI)
+
+	// 欢迎新成员
+	dispatcher.RegisterHandler(func(m *model.Message) bool {
+		return m.IsNewUserJoin()
+	}, plugins.WelcomeNew)
+
+	// 注册消息处理器
+	current.SetRobotMessageHandler(plugin.DispatchMessage(dispatcher))
+}

main.go

@@ -18,6 +18,7 @@ import (
 func init() {
 	initialization.InitConfig()          // 初始化配置
 	initialization.InitWechatRobotInfo() // 初始化机器人信息
+	initialization.Plugin()              // 注册插件
 	tasks.InitTasks()                    // 初始化定时任务
 }
 

model/message.go

@@ -20,6 +20,7 @@ type Message struct {
 	Signature          string            `json:"signature"`
 	ToUser             string            `json:"toUser"`
 	Type               types.MessageType `json:"type"`
+	Raw                string            `json:"raw"`
 }
 
 // systemMsgDataXml
@@ -89,3 +90,12 @@ func (m Message) IsNewUserJoin() bool {
 func (m Message) IsAt() bool {
 	return strings.HasSuffix(m.DisplayFullContent, "在群聊中@了你")
 }
+
+// IsPrivateText
+// @description: 是否是私聊消息
+// @receiver m
+// @return bool
+func (m Message) IsPrivateText() bool {
+	// 发信人不以@chatroom结尾且消息类型为文本
+	return !strings.HasSuffix(m.FromUser, "chatroom") && m.Type == types.MsgTypeText
+}

plugin/plugin.go

@@ -0,0 +1,143 @@
+package plugin
+
+import (
+	"go-wechat/model"
+)
+
+// MessageHandler 消息处理函数
+type MessageHandler func(msg *model.Message)
+
+// MessageDispatcher 消息分发处理接口
+// 跟 DispatchMessage 结合封装成 MessageHandler
+type MessageDispatcher interface {
+	Dispatch(msg *model.Message)
+}
+
+// DispatchMessage 跟 MessageDispatcher 结合封装成 MessageHandler
+func DispatchMessage(dispatcher MessageDispatcher) func(msg *model.Message) {
+	return func(msg *model.Message) { dispatcher.Dispatch(msg) }
+}
+
+// MessageDispatcher impl
+
+// MessageContextHandler 消息处理函数
+type MessageContextHandler func(ctx *MessageContext)
+
+type MessageContextHandlerGroup []MessageContextHandler
+
+// MessageContext 消息处理上下文对象
+type MessageContext struct {
+	index           int
+	abortIndex      int
+	messageHandlers MessageContextHandlerGroup
+	*model.Message
+}
+
+// Next 主动调用下一个消息处理函数(或开始调用)
+func (c *MessageContext) Next() {
+	c.index++
+	for c.index <= len(c.messageHandlers) {
+		if c.IsAbort() {
+			return
+		}
+		handle := c.messageHandlers[c.index-1]
+		handle(c)
+		c.index++
+	}
+}
+
+// IsAbort 判断是否被中断
+func (c *MessageContext) IsAbort() bool {
+	return c.abortIndex > 0
+}
+
+// Abort 中断当前消息处理, 不会调用下一个消息处理函数, 但是不会中断当前的处理函数
+func (c *MessageContext) Abort() {
+	c.abortIndex = c.index
+}
+
+// AbortHandler 获取当前中断的消息处理函数
+func (c *MessageContext) AbortHandler() MessageContextHandler {
+	if c.abortIndex > 0 {
+		return c.messageHandlers[c.abortIndex-1]
+	}
+	return nil
+}
+
+// MatchFunc 消息匹配函数,返回为true则表示匹配
+type MatchFunc func(*model.Message) bool
+
+// MatchFuncList 将多个MatchFunc封装成一个MatchFunc
+func MatchFuncList(matchFuncs ...MatchFunc) MatchFunc {
+	return func(message *model.Message) bool {
+		for _, matchFunc := range matchFuncs {
+			if !matchFunc(message) {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+type matchNode struct {
+	matchFunc MatchFunc
+	group     MessageContextHandlerGroup
+}
+
+type matchNodes []*matchNode
+
+// MessageMatchDispatcher impl MessageDispatcher interface
+//
+//	dispatcher := NewMessageMatchDispatcher()
+//	dispatcher.OnText(func(msg *model.Message){
+//			msg.ReplyText("hello")
+//	})
+//	bot := DefaultBot()
+//	bot.MessageHandler = DispatchMessage(dispatcher)
+type MessageMatchDispatcher struct {
+	async      bool
+	matchNodes matchNodes
+}
+
+// NewMessageMatchDispatcher Constructor
+func NewMessageMatchDispatcher() *MessageMatchDispatcher {
+	return &MessageMatchDispatcher{}
+}
+
+// SetAsync 设置是否异步处理
+func (m *MessageMatchDispatcher) SetAsync(async bool) {
+	m.async = async
+}
+
+// Dispatch impl MessageDispatcher
+// 遍历 MessageMatchDispatcher 所有的消息处理函数
+// 获取所有匹配上的函数
+// 执行处理的消息处理方法
+func (m *MessageMatchDispatcher) Dispatch(msg *model.Message) {
+	var group MessageContextHandlerGroup
+	for _, node := range m.matchNodes {
+		if node.matchFunc(msg) {
+			group = append(group, node.group...)
+		}
+	}
+	ctx := &MessageContext{Message: msg, messageHandlers: group}
+	if m.async {
+		go m.do(ctx)
+	} else {
+		m.do(ctx)
+	}
+}
+
+func (m *MessageMatchDispatcher) do(ctx *MessageContext) {
+	ctx.Next()
+}
+
+// RegisterHandler 注册消息处理函数, 根据自己的需求自定义
+// matchFunc返回true则表示处理对应的handlers
+func (m *MessageMatchDispatcher) RegisterHandler(matchFunc MatchFunc, handlers ...MessageContextHandler) {
+	if matchFunc == nil {
+		panic("MatchFunc can not be nil")
+	}
+	node := &matchNode{matchFunc: matchFunc, group: handlers}
+	m.matchNodes = append(m.matchNodes, node)
+}

plugin/plugins/ai.go

@@ -1,4 +1,4 @@
-package handler
+package plugins
 
 import (
 	"context"
@@ -9,7 +9,7 @@ import (
 	"go-wechat/common/current"
 	"go-wechat/config"
 	"go-wechat/entity"
-	"go-wechat/model"
+	"go-wechat/plugin"
 	"go-wechat/service"
 	"go-wechat/types"
 	"go-wechat/utils"
@@ -19,10 +19,10 @@ import (
 	"time"
 )
 
-// handleAtMessage
-// @description: 处理At机器人的消息
+// AI
+// @description: AI消息
 // @param m
-func handleAtMessage(m model.Message) {
+func AI(m *plugin.MessageContext) {
 	if !config.Conf.Ai.Enable {
 		return
 	}
@@ -54,13 +54,14 @@ func handleAtMessage(m model.Message) {
 
 	// 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{}).
-		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)
+	if m.GroupUser == "" {
+		// 私聊
+		oldMessages = getUserPrivateMessages(m.FromUser)
+	} else {
+		// 群聊
+		oldMessages = getGroupUserMessages(m.MsgId, m.FromUser, m.GroupUser)
+	}
+
 	// 翻转数组
 	slice.Reverse(oldMessages)
 	// 循环填充消息
@@ -74,7 +75,7 @@ func handleAtMessage(m model.Message) {
 		}
 		// 填充消息
 		role := openai.ChatMessageRoleUser
-		if message.ToUser != current.GetRobotInfo().WxId {
+		if message.FromUser == 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
 		}
@@ -129,5 +130,43 @@ func handleAtMessage(m model.Message) {
 	service.SaveMessage(replyMessage) // 保存消息
 
 	// 发送消息
-	utils.SendMessage(m.FromUser, m.GroupUser, "\n"+resp.Choices[0].Message.Content, 0)
+	replyMsg := resp.Choices[0].Message.Content
+	if m.GroupUser != "" {
+		replyMsg = "\n" + resp.Choices[0].Message.Content
+	}
+	utils.SendMessage(m.FromUser, m.GroupUser, replyMsg, 0)
+}
+
+// getGroupUserMessages
+// @description: 获取群成员消息
+// @return records
+func getGroupUserMessages(msgId int64, groupId, groupUserId string) (records []entity.Message) {
+	subQuery := client.MySQL.
+		Where("from_user = ? AND group_user = ? AND display_full_content LIKE ?", groupId, groupUserId, "%在群聊中@了你").
+		Or("to_user = ? AND group_user = ?", groupId, groupUserId)
+
+	client.MySQL.Model(&entity.Message{}).
+		Where("msg_id != ?", msgId).
+		Where("type = ?", types.MsgTypeText).
+		Where("create_at >= DATE_SUB(NOW(),INTERVAL 30 MINUTE)").
+		Where(subQuery).
+		Order("create_at desc").
+		Limit(4).Find(&records)
+	return
+}
+
+// getUserPrivateMessages
+// @description: 获取用户私聊消息
+// @return records
+func getUserPrivateMessages(userId string) (records []entity.Message) {
+	subQuery := client.MySQL.
+		Where("from_user = ?", userId).Or("to_user = ?", userId)
+
+	client.MySQL.Model(&entity.Message{}).
+		Where("type = ?", types.MsgTypeText).
+		Where("create_at >= DATE_SUB(NOW(),INTERVAL 30 MINUTE)").
+		Where(subQuery).
+		Order("create_at desc").
+		Limit(4).Find(&records)
+	return
 }

plugin/plugins/save2db.go

@@ -0,0 +1,27 @@
+package plugins
+
+import (
+	"go-wechat/entity"
+	"go-wechat/plugin"
+	"go-wechat/service"
+	"time"
+)
+
+// SaveToDb
+// @description: 保存消息到数据库
+// @param m
+func SaveToDb(m *plugin.MessageContext) {
+	var ent entity.Message
+	ent.MsgId = m.MsgId
+	ent.CreateTime = m.CreateTime
+	ent.CreateAt = time.Unix(int64(m.CreateTime), 0)
+	ent.Content = m.Content
+	ent.FromUser = m.FromUser
+	ent.GroupUser = m.GroupUser
+	ent.ToUser = m.ToUser
+	ent.Type = m.Type
+	ent.DisplayFullContent = m.DisplayFullContent
+	ent.Raw = m.Raw
+	// 保存入库
+	service.SaveMessage(ent)
+}

plugin/plugins/welconenew.go

@@ -1,17 +1,17 @@
-package handler
+package plugins
 
 import (
 	"go-wechat/client"
 	"go-wechat/config"
 	"go-wechat/entity"
-	"go-wechat/model"
+	"go-wechat/plugin"
 	"go-wechat/utils"
 )
 
-// handleNewUserJoin
+// WelcomeNew
 // @description: 欢迎新成员
 // @param m
-func handleNewUserJoin(m model.Message) {
+func WelcomeNew(m *plugin.MessageContext) {
 	// 判断是否开启迎新
 	var count int64
 	client.MySQL.Model(&entity.Friend{}).Where("enable_welcome IS TRUE").Where("wxid = ?", m.FromUser).Count(&count)

plugins/plugin.go

@@ -1,10 +0,0 @@
-package plugins
-
-// Message
-// @description: 插件消息
-type Message struct {
-	GroupId string // 消息来源群Id
-	UserId  string // 消息来源用户Id
-	Message string // 消息内容
-	IsBreak bool   // 是否中断消息传递
-}

tcpserver/handle.go

@@ -3,7 +3,6 @@ package tcpserver
 import (
 	"bytes"
 	"go-wechat/config"
-	"go-wechat/handler"
 	"io"
 	"log"
 	"net"
@@ -24,7 +23,7 @@ func process(conn net.Conn) {
 		log.Printf("[%s]返回数据失败，错误信息: %v", conn.RemoteAddr(), err)
 	}
 	log.Printf("[%s]数据长度: %d", conn.RemoteAddr(), buf.Len())
-	go handler.Parse(conn.RemoteAddr(), buf.Bytes())
+	go parse(conn.RemoteAddr(), buf.Bytes())
 
 	// 转发到其他地方去
 	if len(config.Conf.Wechat.Forward) > 0 {

tcpserver/parse.go

@@ -1,28 +1,28 @@
-package handler
+package tcpserver
 
 import (
 	"encoding/json"
-	"go-wechat/entity"
+	"go-wechat/common/current"
 	"go-wechat/model"
-	"go-wechat/service"
 	"go-wechat/types"
-	"go-wechat/utils"
 	"log"
 	"net"
 	"strings"
-	"time"
 )
 
-// Parse
+// parse
 // @description: 解析消息
 // @param msg
-func Parse(remoteAddr net.Addr, msg []byte) {
+func parse(remoteAddr net.Addr, msg []byte) {
 	var m model.Message
 	if err := json.Unmarshal(msg, &m); err != nil {
 		log.Printf("[%s]消息解析失败： %v", remoteAddr, err)
 		log.Printf("[%s]消息内容： %d -> %v", remoteAddr, len(msg), string(msg))
 		return
 	}
+	// 记录原始数据
+	m.Raw = string(msg)
+
 	// 提取出群成员信息
 	// Sys类型的消息正文不包含微信 Id，所以不需要处理
 	if m.IsGroup() && m.Type != types.MsgTypeSys {
@@ -38,33 +38,9 @@ func Parse(remoteAddr net.Addr, msg []byte) {
 	}
 	log.Printf("%s\n消息来源: %s\n群成员: %s\n消息类型: %v\n消息内容: %s", remoteAddr, m.FromUser, m.GroupUser, m.Type, m.Content)
 
-	// 异步处理消息
-	go func() {
-		if m.IsNewUserJoin() {
-			log.Printf("%s -> 开始迎新 -> %s", m.FromUser, m.Content)
-			// 欢迎新成员
-			go handleNewUserJoin(m)
-		} else if m.IsAt() {
-			// @机器人的消息
-			go handleAtMessage(m)
-		} else if !strings.Contains(m.FromUser, "@") && m.Type == types.MsgTypeText {
-			// 私聊消息处理
-			utils.SendMessage(m.FromUser, "", "暂未开启私聊AI", 0)
+	// 插件不为空，开始执行
+	if p := current.GetRobotMessageHandler(); p != nil {
+		p(&m)
 	}
-	}()
 
-	// 转换为结构体之后入库
-	var ent entity.Message
-	ent.MsgId = m.MsgId
-	ent.CreateTime = m.CreateTime
-	ent.CreateAt = time.Unix(int64(m.CreateTime), 0)
-	ent.Content = m.Content
-	ent.FromUser = m.FromUser
-	ent.GroupUser = m.GroupUser
-	ent.ToUser = m.ToUser
-	ent.Type = m.Type
-	ent.DisplayFullContent = m.DisplayFullContent
-	ent.Raw = string(msg)
-
-	go service.SaveMessage(ent)
 }