新增删除节点功能

internal/store/store_query.go

@@ -232,6 +232,53 @@ func (s *Store) DeleteNode(nodeID string) error {
 	})
 }
 
+// PurgeNode 在「删除节点」菜单触发时执行：除了 nodeinfo + map_report，
+// 还要把 text_message（频道聊天）以及 position/telemetry/routing/traceroute
+// 这些以 from_id 关联的数据包记录一起清理。
+//
+// 任一表删到记录就视为成功；全部为空才返回 ErrRecordNotFound。
+func (s *Store) PurgeNode(nodeID string) error {
+	if nodeID == "" {
+		return gorm.ErrRecordNotFound
+	}
+	return s.db.Transaction(func(tx *gorm.DB) error {
+		var totalAffected int64
+
+		nodeResult := tx.Where("node_id = ?", nodeID).Delete(&NodeInfoRecord{})
+		if nodeResult.Error != nil {
+			return nodeResult.Error
+		}
+		totalAffected += nodeResult.RowsAffected
+
+		reportResult := tx.Where("node_id = ?", nodeID).Delete(&MapReportRecord{})
+		if reportResult.Error != nil {
+			return reportResult.Error
+		}
+		totalAffected += reportResult.RowsAffected
+
+		// 以 from_id 关联：聊天消息 + 数据包流水
+		fromIDTargets := []any{
+			&TextMessageRecord{},
+			&PositionRecord{},
+			&TelemetryRecord{},
+			&RoutingRecord{},
+			&TracerouteRecord{},
+		}
+		for _, model := range fromIDTargets {
+			res := tx.Where("from_id = ?", nodeID).Delete(model)
+			if res.Error != nil {
+				return res.Error
+			}
+			totalAffected += res.RowsAffected
+		}
+
+		if totalAffected == 0 {
+			return gorm.ErrRecordNotFound
+		}
+		return nil
+	})
+}
+
 func applyNodeFilters(q *gorm.DB, opts ListOptions) *gorm.DB {
 	if opts.NodeID != "" {
 		q = q.Where("node_id = ?", opts.NodeID)

internal/web/web.go

@@ -338,6 +338,23 @@ func registerAdminRoutes(r gin.IRouter, store *storepkg.Store, sessions *auth.Ma
 		}
 		c.JSON(http.StatusOK, gin.H{"status": "ok"})
 	})
+	// purge：除了 nodeinfo + map_report，还把 text_message 与 position/telemetry/routing/traceroute
+	// 中按 from_id 关联到该节点的记录一并删除。
+	protected.DELETE("/nodes/:id/purge", func(c *gin.Context) {
+		nodeID := c.Param("id")
+		if nodeID == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "invalid node id"})
+			return
+		}
+		if err := store.PurgeNode(nodeID); errors.Is(err, gorm.ErrRecordNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "node not found"})
+			return
+		} else if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"status": "ok"})
+	})
 }
 
 func registerNodeInfoRoutes(r gin.IRouter, store *storepkg.Store, path string) {