20251209

archive/bbs-go/server/internal/services/eventhandler/topic_delete_handler.go

@@ -0,0 +1,53 @@
+package eventhandler
+
+import (
+	"bbs-go/internal/models/constants"
+	"bbs-go/internal/pkg/event"
+	"bbs-go/internal/pkg/msg"
+	"bbs-go/internal/repositories"
+	"bbs-go/internal/services"
+	"reflect"
+
+	"github.com/mlogclub/simple/sqls"
+)
+
+func init() {
+	event.RegHandler(reflect.TypeOf(event.TopicDeleteEvent{}), handleTopicDeleteEvent)
+}
+
+func handleTopicDeleteEvent(i interface{}) {
+	e := i.(event.TopicDeleteEvent)
+
+	// 处理userFeed
+	services.UserFeedService.DeleteByDataId(e.TopicId, constants.EntityTopic)
+
+	// 发送消息
+	sendTopicDeleteMsg(e.TopicId, e.DeleteUserId)
+
+	// 操作日志
+	services.OperateLogService.AddOperateLog(e.DeleteUserId, constants.OpTypeDelete, constants.EntityTopic,
+		e.TopicId, "", nil)
+}
+
+// sendTopicDeleteMsg 话题被删除消息
+func sendTopicDeleteMsg(topicId, deleteUserId int64) {
+	topic := repositories.TopicRepository.Get(sqls.DB(), topicId)
+	if topic == nil {
+		return
+	}
+	if topic.UserId == deleteUserId {
+		return
+	}
+	var (
+		from         int64 = 0
+		to                 = topic.UserId
+		title              = "你的话题被删除"
+		quoteContent       = "《" + topic.GetTitle() + "》"
+	)
+	services.MessageService.SendMsg(from, to, msg.TypeTopicDelete, title, "", quoteContent,
+		&msg.TopicDeleteExtraData{
+			TopicId:      topicId,
+			DeleteUserId: deleteUserId,
+		},
+	)
+}