fix datatree sub and unsubscribe at tree

src/components/DBMTree.vue

@@ -7,10 +7,11 @@
           dense
           :nodes="dbmData"
           node-key="key"
-          :default-expand-all="true"
+          :default-expand-all="false"
+          v-model:expanded="expanded"
         >
           <template v-slot:[`default-header`]="props">
-            <div class="row items-center text-blue">
+            <div class="row items-center text-blue" @click="ClickNode(props.node)">
               <div
                 class="row items-center text-blue"
                 @contextmenu.prevent="openContextMenu($event, props.node)"
@@ -25,12 +26,12 @@
               />
             </div>
             <q-popup-edit
-              v-if="props.node.value !== undefined"
+              v-if="props.node.value !== undefined && props.node.value !== ''"
               v-model="props.node.value"
               class="q-ml-xl bg-grey text-white"
               @save="(val) => onValueEdit(val, props.node)"
             >
-              <template v-if="props.node.value !== undefined" v-slot="scope">
+              <template v-slot="scope">
                 <q-input
                   dark
                   color="white"
@@ -56,29 +57,34 @@
 </template>
 
 <script setup lang="ts">
-import { onMounted } from 'vue';
+import { onMounted, ref } from 'vue';
 import type { TreeNode } from 'src/composables/dbmTree';
-import { subs, dbmData, buildTree } from 'src/composables/dbmTree';
+import {
+  dbmData,
+  buildTree,
+  // addChildrentoTree,
+  getSubscriptionsByUuid,
+  addChildrentoTree,
+  removeSubtreeByParentKey,
+} from 'src/composables/dbmTree';
 import { openContextMenu } from 'src/composables/useContextMenu';
 import SubMenu from 'src/components/SubMenu.vue';
 import { QCard } from 'quasar';
 import { send } from 'src/services/websocket';
+import { onBeforeRouteLeave } from 'vue-router';
 
 onMounted(() => {
   send({
     subscribe: [
       {
         path: '.*',
-        depth: 2,
+        depth: 1,
       },
     ],
   })
     .then((response) => {
       if (response?.subscribe) {
-        subs.value = response.subscribe;
-        dbmData.value = buildTree(subs.value);
-      } else {
-        console.log('Response from server:', response);
+        dbmData.value = buildTree(response.subscribe ?? []);
       }
     })
     .catch((err) => {
@@ -86,16 +92,95 @@ onMounted(() => {
     });
 });
 
-// function updateValue(uuid: string, newValue: string) {
-//   const target = subs.value.find((s) => s.uuid === uuid);
-//   if (target) {
-//     target.value = newValue;
-//     treeData.value = buildTree(subs.value);
-//   }
-// }
+onBeforeRouteLeave((to, from, next) => {
+  send({
+    unsubscribe: [
+      {
+        path: '.*',
+        depth: 0,
+      },
+    ],
+  })
+    .then((response) => {
+      if (response?.subscribe) {
+        dbmData.value = buildTree(response.subscribe ?? []);
+      }
+    })
+    .catch((err) => {
+      console.error('Error fetching data:', err);
+    });
+  next();
+});
+
+const expanded = ref<string[]>([]);
+
+function ClickNode(node: TreeNode) {
+  if (node.key === 'DBM') return;
+
+  const nodeKey = node.key as string;
+
+  const isExpanded = expanded.value.includes(nodeKey);
+
+  if (isExpanded) {
+    // Collapse the parent node and its children
+    //expanded.value = expanded.value.filter((k) => k !== nodeKey && !k.startsWith(nodeKey));
+
+    // 2. Send unsubscribe request
+    send({
+      unsubscribe: [
+        {
+          uuid: nodeKey,
+          path: '.*',
+          depth: 0,
+        },
+      ],
+    })
+      .then((response) => {
+        if (response?.unsubscribe) {
+          removeSubtreeByParentKey(nodeKey);
+        }
+        requestAnimationFrame(() => {
+          expanded.value = expanded.value.filter((k) => k !== nodeKey && !k.startsWith(nodeKey));
+        });
+      })
+      .catch((err) => {
+        console.error('Error during unsubscribe:', err);
+      });
+
+    // 3. Do not continue further — important!
+    return;
+  }
+
+  // 4. If not expanded, send subscribe and expand
+  send({
+    subscribe: [
+      {
+        uuid: nodeKey,
+        path: '.*',
+        depth: 1,
+      },
+    ],
+  })
+    .then((response) => {
+      if (response?.subscribe) {
+        addChildrentoTree(response.subscribe);
+
+        // Delay to ensure reactive updates apply cleanly
+        requestAnimationFrame(() => {
+          if (!expanded.value.includes(nodeKey)) {
+            expanded.value.push(nodeKey);
+          }
+        });
+      }
+    })
+    .catch((err) => {
+      console.error('Error during subscribe:', err);
+    });
+}
 
 function onValueEdit(newValue: undefined, node: TreeNode) {
-  const sub = subs.value.find((s) => s.uuid === node.key);
+  console.log(node.value, node.value === undefined);
+  const sub = getSubscriptionsByUuid(node.key);
   if (sub) {
     send({
       set: [