add online status to node details

application/src/main/java/de/cotto/lndmanagej/controller/NodeController.java

@@ -2,6 +2,7 @@ package de.cotto.lndmanagej.controller;
 
 import com.codahale.metrics.MetricRegistry;
 import de.cotto.lndmanagej.metrics.Metrics;
+import de.cotto.lndmanagej.model.Node;
 import de.cotto.lndmanagej.model.Pubkey;
 import de.cotto.lndmanagej.service.NodeService;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -29,6 +30,7 @@ public class NodeController {
     @GetMapping("/details")
     public NodeDetailsDto getDetails(@PathVariable Pubkey pubkey) {
         metrics.mark(MetricRegistry.name(getClass(), "getDetails"));
-        return new NodeDetailsDto(pubkey, getAlias(pubkey));
+        Node node = nodeService.getNode(pubkey);
+        return new NodeDetailsDto(pubkey, node.alias(), node.online());
     }
 }

application/src/main/java/de/cotto/lndmanagej/controller/NodeDetailsDto.java

@@ -6,6 +6,7 @@ import de.cotto.lndmanagej.model.Pubkey;
 
 public record NodeDetailsDto(
         @JsonSerialize(using = ToStringSerializer.class) Pubkey pubkey,
-        String alias
+        String alias,
+        boolean online
 ) {
 }

application/src/main/java/de/cotto/lndmanagej/service/NodeService.java

@@ -3,6 +3,7 @@ package de.cotto.lndmanagej.service;
 import com.google.common.cache.LoadingCache;
 import de.cotto.lndmanagej.caching.CacheBuilder;
 import de.cotto.lndmanagej.grpc.GrpcNodeInfo;
+import de.cotto.lndmanagej.model.Node;
 import de.cotto.lndmanagej.model.Pubkey;
 import org.springframework.stereotype.Component;
 
@@ -25,8 +26,12 @@ public class NodeService {
         return aliasCache.getUnchecked(pubkey);
     }
 
+    public Node getNode(Pubkey pubkey) {
+        return grpcNodeInfo.getNode(pubkey);
+    }
+
     private String getAliasWithoutCache(Pubkey pubkey) {
-        return grpcNodeInfo.getNode(pubkey).alias();
+        return getNode(pubkey).alias();
     }
 
 }