UX: update gist toggle styles

assets/javascripts/discourse/components/ai-gist-toggle.gjs

@@ -4,65 +4,66 @@ import { action } from "@ember/object";
 import { service } from "@ember/service";
 import DButton from "discourse/components/d-button";
 import DropdownMenu from "discourse/components/dropdown-menu";
+import bodyClass from "discourse/helpers/body-class";
 import icon from "discourse-common/helpers/d-icon";
 import i18n from "discourse-common/helpers/i18n";
 import DMenu from "float-kit/components/d-menu";
+import eq from "truth-helpers/helpers/eq";
 
 export default class AiGistToggle extends Component {
-  @service router;
-  @service gistPreference;
-
-  get shouldShow() {
-    return this.router.currentRoute.attributes?.list?.topics?.some(
-      (topic) => topic.ai_topic_gist
-    );
-  }
+  @service gists;
 
   get buttons() {
     return [
       {
-        id: "gists_enabled",
-        label: "discourse_ai.summarization.gists_enabled_long",
-        icon: "discourse-sparkles",
+        id: "table",
+        label: "discourse_ai.summarization.topic_list_layout.button.compact",
+        icon: "discourse-table",
       },
       {
-        id: "gists_disabled",
-        label: "discourse_ai.summarization.gists_disabled",
-        icon: "far-eye-slash",
+        id: "table-ai",
+        label: "discourse_ai.summarization.topic_list_layout.button.expanded",
+        icon: "discourse-table-sparkles",
+        description:
+          "discourse_ai.summarization.topic_list_layout.button.expanded_description",
       },
     ];
   }
 
+  get selectedOptionId() {
+    return this.gists.get("preference");
+  }
+
+  get currentButton() {
+    const buttonPreference = this.buttons.find(
+      (button) => button.id === this.selectedOptionId
+    );
+    return buttonPreference || this.buttons[0];
+  }
+
   @action
   onRegisterApi(api) {
     this.dMenu = api;
   }
 
   @action
   onSelect(optionId) {
-    this.gistPreference.setPreference(optionId);
+    this.gists.setPreference(optionId);
     this.dMenu.close();
   }
 
   <template>
-    {{#if this.shouldShow}}
-
+    {{#if this.gists.shouldShow}}
+      {{bodyClass (concat "topic-list-layout-" this.gists.preference)}}
       <DMenu
         @modalForMobile={{true}}
         @autofocus={{true}}
-        @identifier="ai-gists-dropdown"
+        @identifier="topic-list-layout"
         @onRegisterApi={{this.onRegisterApi}}
-        @triggerClass="btn-transparent"
+        @triggerClass="btn-default btn-icon"
       >
         <:trigger>
-          <span class="d-button-label">
-            {{i18n
-              (concat
-                "discourse_ai.summarization." this.gistPreference.preference
-              )
-            }}
-          </span>
-          {{icon "angle-down"}}
+          {{icon this.currentButton.icon}}
         </:trigger>
         <:content>
           <DropdownMenu as |dropdown|>
@@ -71,9 +72,17 @@ export default class AiGistToggle extends Component {
                 <DButton
                   @label={{button.label}}
                   @icon={{button.icon}}
-                  class="btn-transparent"
+                  class="btn-transparent
+                    {{if button.description '--with-description'}}
+                    {{if (eq this.currentButton.id button.id) '--active'}}"
                   @action={{fn this.onSelect button.id}}
-                />
+                >
+                  {{#if button.description}}
+                    <div class="btn__description">
+                      {{i18n button.description}}
+                    </div>
+                  {{/if}}
+                </DButton>
               </dropdown.item>
             {{/each}}
           </DropdownMenu>

assets/javascripts/discourse/components/ai-topic-gist.gjs

@@ -1,31 +1,30 @@
 import Component from "@glimmer/component";
 import { service } from "@ember/service";
-import bodyClass from "discourse/helpers/body-class";
+import { htmlSafe } from "@ember/template";
+import { emojiUnescape, sanitize } from "discourse/lib/text";
 
 export default class AiTopicGist extends Component {
-  @service router;
-  @service gistPreference;
+  @service gists;
 
-  get prefersGist() {
-    return this.gistPreference.preference === "gists_enabled";
+  get shouldShow() {
+    return this.gists.preference === "table-ai" && this.gists.shouldShow;
   }
 
-  get showGist() {
-    return (
-      this.args.topic?.ai_topic_gist &&
-      this.prefersGist &&
-      !this.args.topic?.excerpt
-    );
+  get gistOrExcerpt() {
+    const topic = this.args.topic;
+    const gist = topic.get("ai_topic_gist");
+    const excerpt = emojiUnescape(sanitize(topic.get("excerpt")));
+
+    return gist || excerpt;
   }
 
   <template>
-    {{#if this.showGist}}
-      {{bodyClass "--topic-list-with-gist"}}
-      <div class="ai-topic-gist">
-        <div class="ai-topic-gist__text">
-          {{@topic.ai_topic_gist}}
+    {{#if this.shouldShow}}
+      {{#if this.gistOrExcerpt}}
+        <div class="excerpt">
+          <div>{{htmlSafe this.gistOrExcerpt}}</div>
         </div>
-      </div>
+      {{/if}}
     {{/if}}
   </template>
 }

assets/javascripts/discourse/connectors/before-create-topic-button/topic-list-gist-toggle.gjs

@@ -0,0 +1,15 @@
+import Component from "@glimmer/component";
+import { service } from "@ember/service";
+import AiGistToggle from "../../components/ai-gist-toggle";
+
+export default class AiTopicGist extends Component {
+  @service topicThumbnails; // avoid Topic Thumbnails theme component
+
+  get shouldShow() {
+    return !this.topicThumbnails?.enabledForRoute;
+  }
+
+  <template>
+    <AiGistToggle />
+  </template>
+}

assets/javascripts/discourse/services/gists.js

@@ -0,0 +1,29 @@
+import { tracked } from "@glimmer/tracking";
+import Service, { service } from "@ember/service";
+
+export default class Gists extends Service {
+  @service router;
+
+  @tracked preference = localStorage.getItem("topicListLayout");
+
+  get shouldShow() {
+    const currentRoute = this.router.currentRoute.name;
+    const isDiscovery = currentRoute.includes("discovery");
+    const isNotCategories = !currentRoute.includes("categories");
+    const gistsAvailable =
+      this.router.currentRoute.attributes?.list?.topics?.some(
+        (topic) => topic.ai_topic_gist
+      );
+
+    return isDiscovery && isNotCategories && gistsAvailable;
+  }
+
+  setPreference(value) {
+    this.preference = value;
+    localStorage.setItem("topicListLayout", value);
+
+    if (this.preference === "table-ai") {
+      localStorage.setItem("aiPreferred", true);
+    }
+  }
+}

assets/stylesheets/modules/summarization/common/ai-gists.scss

@@ -0,0 +1,65 @@
+.topic-list-layout-content {
+  .btn.--with-description {
+    display: grid;
+    grid-template-areas: "icon title" "icon description";
+    grid-template-columns: auto 1fr;
+    text-align: left;
+    .btn__description {
+      grid-area: description;
+      width: 100%;
+      font-size: var(--font-down-1);
+      color: var(--primary-high);
+    }
+  }
+
+  .btn:focus {
+    background: transparent;
+  }
+
+  .btn:focus-visible {
+    outline: 2px solid var(--tertiary);
+    background: transparent;
+    outline-offset: -2px;
+  }
+
+  .btn.--active {
+    background: var(--d-selected);
+  }
+}
+
+.topic-list-layout-table-ai {
+  .topic-list-item {
+    .link-bottom-line {
+      font-size: var(--font-down-1);
+      margin-top: 0.25em;
+      line-height: var(--line-height-medium);
+    }
+    .excerpt {
+      width: 100%;
+      line-height: var(--line-height-large);
+      margin-top: 0.15em;
+      margin-bottom: 0.15em;
+      max-width: 70ch;
+    }
+    &:not(.visited) {
+      .excerpt {
+        color: var(--primary-high);
+      }
+    }
+  }
+  .topic-excerpt {
+    display: none;
+  }
+
+  .mobile-view & {
+    .topic-list-item .excerpt {
+      margin-top: -0.25em;
+      margin-bottom: 0.25em;
+    }
+
+    .topic-item-stats .num.activity {
+      align-self: end;
+      margin-bottom: -0.15em; // vertical alignment
+    }
+  }
+}

assets/stylesheets/modules/summarization/common/ai-summary.scss

@@ -215,77 +215,3 @@
     opacity: 1;
   }
 }
-
-.ai-topic-gist {
-  width: 100%;
-  .mobile-view & {
-    position: relative;
-    top: -0.33em;
-    line-height: 1.4;
-    width: 90%;
-  }
-
-  &__text {
-    color: var(--primary-high);
-    text-wrap: pretty;
-    word-wrap: break-word;
-    font-size: var(--font-down-1);
-    max-width: 65ch;
-    .visited & {
-      color: var(--primary-medium);
-    }
-  }
-}
-
-.--topic-list-with-gist {
-  .topic-list-item {
-    .main-link {
-      line-height: var(--line-height-medium);
-    }
-    .link-bottom-line {
-      font-size: var(--font-down-1);
-      margin-top: 0.25em;
-    }
-    .ai-topic-gist {
-      font-size: var(--font-up-1);
-      line-height: var(--line-height-large);
-      margin-top: 0.25em;
-      margin-bottom: 0.15em;
-    }
-    .topic-post-badges {
-      font-size: var(--font-down-1);
-    }
-  }
-
-  .mobile-view & {
-    .topic-list {
-      .topic-list-item > .topic-list-data {
-        padding: 1em 0;
-      }
-      .topic-item-stats .num.activity {
-        align-self: end;
-        margin-bottom: -0.15em; // vertical alignment
-      }
-      .pull-left {
-        padding-top: 0.25em;
-      }
-      .right {
-        margin-left: 3.75em;
-      }
-    }
-  }
-}
-
-.ai-gists-dropdown-trigger {
-  font-size: var(--font-down-1);
-  color: var(--primary-medium);
-  padding-left: 0.25em;
-  .mobile-view & {
-    padding-left: 0;
-    color: var(--primary-high);
-  }
-  .d-icon {
-    color: var(--primary-low-mid);
-    margin-left: 0.15em;
-  }
-}