faet: 新增WS模块

src/modules/ws/service/ws_send.impl.go

@@ -0,0 +1,72 @@
+package service
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"ems.agt/src/modules/ws/model"
+)
+
+const (
+	// 组号-其他
+	GROUP_OTHER = "0"
+	// 组号-指标
+	GROUP_KPI = "1000"
+	// 组号-会话记录
+	GROUP_CDR = "1005"
+)
+
+// 实例化服务层 WSSendImpl 结构体
+var NewWSSendImpl = &WSSendImpl{}
+
+// IWSSend WebSocket消息发送处理 服务层处理
+type WSSendImpl struct{}
+
+// ByClientID 给已知客户端发消息
+func (s *WSSendImpl) ByClientID(clientID string, data any) error {
+	v, ok := WsClients.Load(clientID)
+	if !ok {
+		return fmt.Errorf("no fount client ID: %s", clientID)
+	}
+
+	dataByte, err := json.Marshal(data)
+	if err != nil {
+		return err
+	}
+
+	client := v.(*model.WSClient)
+	client.MsgChan <- dataByte
+	return nil
+}
+
+// ByGroupID 给订阅组的用户发送消息
+func (s *WSSendImpl) ByGroupID(groupID string, data any) error {
+	uids, ok := WsGroup.Load(groupID)
+	if !ok {
+		return fmt.Errorf("no fount Group ID: %s", groupID)
+	}
+
+	groupUids := uids.(*[]string)
+	// 群组中没有成员
+	if len(*groupUids) == 0 {
+		return fmt.Errorf("no members in the group")
+	}
+
+	// 在群组中找到对应的 uid
+	for _, uid := range *groupUids {
+		clientIds, ok := WsUsers.Load(uid)
+		if !ok {
+			continue
+		}
+		// 在用户中找到客户端并发送
+		uidClientIds := clientIds.(*[]string)
+		for _, clientId := range *uidClientIds {
+			err := s.ByClientID(clientId, data)
+			if err != nil {
+				continue
+			}
+		}
+	}
+
+	return nil
+}