DEV: Use the new more-topics API (#885)

See: https://github.com/discourse/discourse/pull/29143

assets/javascripts/discourse/connectors/topic-more-content/related-topics.hbs

@@ -1,15 +0,0 @@
-<div
-  id="related-topics"
-  class="more-topics__list {{if this.hidden 'hidden'}}"
-  role="complementary"
-  aria-labelledby="related-topics-title"
-  {{did-insert this.registerList}}
-  {{will-destroy this.removeList}}
->
-  <h3 id="related-topics-title" class="more-topics__list-title">
-    {{i18n "discourse_ai.related_topics.title"}}
-  </h3>
-  <div class="topics">
-    <BasicTopicList @topics={{this.relatedTopics}} />
-  </div>
-</div>

assets/javascripts/discourse/connectors/topic-more-content/related-topics.js

@@ -1,41 +0,0 @@
-import Component from "@glimmer/component";
-import { action, computed } from "@ember/object";
-import { inject as service } from "@ember/service";
-import I18n from "I18n";
-
-export default class extends Component {
-  static shouldRender(args) {
-    return (args.model.related_topics?.length || 0) > 0;
-  }
-
-  @service store;
-  @service site;
-  @service moreTopicsPreferenceTracking;
-
-  listId = "related-topics";
-
-  @computed("moreTopicsPreferenceTracking.selectedTab")
-  get hidden() {
-    return this.moreTopicsPreferenceTracking.selectedTab !== this.listId;
-  }
-
-  get relatedTopics() {
-    return this.args.outletArgs.model.related_topics.map((topic) =>
-      this.store.createRecord("topic", topic)
-    );
-  }
-
-  @action
-  registerList() {
-    this.moreTopicsPreferenceTracking.registerTopicList({
-      name: I18n.t("discourse_ai.related_topics.pill"),
-      id: this.listId,
-      icon: "discourse-sparkles",
-    });
-  }
-
-  @action
-  removeList() {
-    this.moreTopicsPreferenceTracking.removeTopicList(this.listId);
-  }
-}

assets/javascripts/initializers/related-topics.gjs

@@ -0,0 +1,71 @@
+import { cached, tracked } from "@glimmer/tracking";
+import BasicTopicList from "discourse/components/basic-topic-list";
+import { withPluginApi } from "discourse/lib/plugin-api";
+import i18n from "discourse-common/helpers/i18n";
+
+const RelatedTopics = <template>
+  <div
+    role="complementary"
+    aria-labelledby="related-topics-title"
+    id="related-topics"
+    class="more-topics__list"
+  >
+    <h3 id="related-topics-title" class="more-topics__list-title">
+      {{i18n "discourse_ai.related_topics.title"}}
+    </h3>
+    <div class="topics">
+      <BasicTopicList @topics={{@topic.relatedTopics}} />
+    </div>
+  </div>
+</template>;
+
+export default {
+  name: "discourse-ai-related-topics",
+
+  initialize(container) {
+    const settings = container.lookup("service:site-settings");
+
+    if (
+      !settings.ai_embeddings_enabled ||
+      !settings.ai_embeddings_semantic_related_topics_enabled
+    ) {
+      return;
+    }
+
+    withPluginApi("1.37.2", (api) => {
+      api.registerMoreTopicsTab({
+        id: "related-topics",
+        name: i18n("discourse_ai.related_topics.pill"),
+        icon: "discourse-sparkles",
+        component: RelatedTopics,
+        condition: ({ topic }) => topic.relatedTopics?.length,
+      });
+
+      api.modifyClass(
+        "model:topic",
+        (Superclass) =>
+          class extends Superclass {
+            @tracked related_topics;
+
+            @cached
+            get relatedTopics() {
+              return this.related_topics?.map((topic) =>
+                this.store.createRecord("topic", topic)
+              );
+            }
+          }
+      );
+
+      api.modifyClass(
+        "model:post-stream",
+        (Superclass) =>
+          class extends Superclass {
+            _setSuggestedTopics(result) {
+              super._setSuggestedTopics(...arguments);
+              this.topic.related_topics = result.related_topics;
+            }
+          }
+      );
+    });
+  },
+};

assets/javascripts/initializers/related-topics.js

@@ -1,32 +0,0 @@
-import { withPluginApi } from "discourse/lib/plugin-api";
-
-export default {
-  name: "discourse-ai-related-topics",
-
-  initialize(container) {
-    const settings = container.lookup("service:site-settings");
-
-    if (
-      settings.ai_embeddings_enabled &&
-      settings.ai_embeddings_semantic_related_topics_enabled
-    ) {
-      withPluginApi("1.1.0", (api) => {
-        api.modifyClass("model:post-stream", {
-          pluginId: "discourse-ai",
-
-          _setSuggestedTopics(result) {
-            this._super(...arguments);
-
-            if (!result.related_topics) {
-              return;
-            }
-
-            this.topic.setProperties({
-              related_topics: result.related_topics,
-            });
-          },
-        });
-      });
-    }
-  },
-};