Fix perpetual "loading" titles when first opening the contributions list

app/utils/contributions.js

@@ -6,8 +6,46 @@
  * succession). Entries are ordered newest-first.
  */
 
+import { tracked } from '@glimmer/tracking';
+
 const HOUR_IN_SECONDS = 60 * 60;
 
+/**
+ * A single contribution timeline entry.
+ *
+ * `placeName` and `placeNameLoading` are tracked so that mutating them after
+ * the entry has been rendered (e.g. when the background OSM batch fetch
+ * resolves a place name) re-renders the consuming component. The remaining
+ * fields are static data and do not need to be tracked.
+ */
+export class ContributionEntry {
+  type = 'photo';
+  placeIdentifier;
+  osmType;
+  osmId;
+  photos;
+  createdAt;
+  eventCount;
+  @tracked placeName = null;
+  @tracked placeNameLoading = true;
+
+  constructor({
+    placeIdentifier,
+    osmType,
+    osmId,
+    photos,
+    createdAt,
+    eventCount,
+  }) {
+    this.placeIdentifier = placeIdentifier;
+    this.osmType = osmType;
+    this.osmId = osmId;
+    this.photos = photos;
+    this.createdAt = createdAt;
+    this.eventCount = eventCount;
+  }
+}
+
 /**
  * Parses a single kind 360 (Place Photo) event's `imeta` tag into a photo object.
  * Reuses the same field shape as `parsePlacePhotos` in `utils/nostr.js` but operates
@@ -180,15 +218,12 @@ function buildEntry(placeIdentifier, events) {
 
   const [, osmType, osmId] = placeIdentifier.split(':');
 
-  return {
+  return new ContributionEntry({
-    type: 'photo',
     placeIdentifier,
     osmType,
     osmId,
-    placeName: null,
-    placeNameLoading: true,
     photos,
     createdAt,
     eventCount: events.length,
-  };
+  });
 }

tests/integration/components/contribution-photo-test.gjs

@@ -1,7 +1,8 @@
 import { module, test } from 'qunit';
 import { setupRenderingTest } from 'marco/tests/helpers';
-import { render, click } from '@ember/test-helpers';
+import { render, click, settled } from '@ember/test-helpers';
 import ContributionPhoto from 'marco/components/contribution-photo';
+import { ContributionEntry } from 'marco/utils/contributions';
 
 function noop() {}
 
@@ -145,4 +146,40 @@ module('Integration | Component | contribution-photo', function (hooks) {
 
     assert.strictEqual(selected, this.item);
   });
+
+  test('it updates the place name when a tracked entry resolves after render', async function (assert) {
+    // Regression: when a place name is resolved by the background batch fetch
+    // after the entry has already been rendered as "Loading…", the component
+    // must re-render with the resolved name. This requires the entry's
+    // placeName/placeNameLoading to be tracked.
+    this.item = new ContributionEntry({
+      placeIdentifier: 'osm:node:12345',
+      osmType: 'node',
+      osmId: '12345',
+      createdAt: 1000,
+      photos: [
+        {
+          url: 'https://x.com/1.jpg',
+          thumbUrl: 'https://x.com/t1.jpg',
+          tags: [],
+        },
+      ],
+    });
+
+    await render(
+      <template>
+        <ContributionPhoto @item={{this.item}} @onSelect={{this.noop}} />
+      </template>
+    );
+
+    assert.dom('.contribution-name-loading').hasText('Loading…');
+
+    // Simulate the contributions service resolving the name after the batch fetch
+    this.item.placeName = 'Resolved Café';
+    this.item.placeNameLoading = false;
+    await settled();
+
+    assert.dom('.contribution-place').hasText('Resolved Café');
+    assert.dom('.contribution-name-loading').doesNotExist();
+  });
 });