UX: Disclose AI model used and add animation to placeholder (#22670)

* UX: Disclose AI model used and add animation to placeholder

* Move text into hbs template

DTooltip (weirdly) attaches to a sibling element, so we need something else to be rendered inside the RenderGlimmer wrapper div

---------

Co-authored-by: David Taylor <david@taylorhq.com>

app/assets/javascripts/discourse/app/widgets/summary-box.js

@@ -1,5 +1,5 @@
 import { createWidget } from "discourse/widgets/widget";
-import hbs from "discourse/widgets/hbs-compiler";
+import { hbs } from "ember-cli-htmlbars";
 import { ajax } from "discourse/lib/ajax";
 import { popupAjaxError } from "discourse/lib/ajax-error";
 import { cookAsync } from "discourse/lib/text";
@@ -7,18 +7,35 @@ import RawHtml from "discourse/widgets/raw-html";
 import I18n from "I18n";
 import { shortDateNoYear } from "discourse/lib/formatter";
 import { h } from "virtual-dom";
+import { iconNode } from "discourse-common/lib/icon-library";
+import RenderGlimmer from "discourse/widgets/render-glimmer";
 
 createWidget("summary-skeleton", {
   tagName: "section.placeholder-summary",
-  template: hbs`
-    <div class="placeholder-summary-text placeholder-animation"></div>
-    <div class="placeholder-summary-text placeholder-animation"></div>
-    <div class="placeholder-summary-text placeholder-animation"></div>
-    <div class="placeholder-summary-text">{{transformed.in_progress_label}}</div>
-  `,
 
-  transform() {
-    return { in_progress_label: I18n.t("summary.in_progress") };
+  html() {
+    const html = [];
+
+    html.push(this.buildPlaceholderDiv());
+    html.push(this.buildPlaceholderDiv());
+    html.push(this.buildPlaceholderDiv());
+
+    html.push(
+      h("span", {}, [
+        iconNode("magic", { class: "rotate-center" }),
+        h(
+          "p.placeholder-generating-summary-text",
+          {},
+          I18n.t("summary.in_progress")
+        ),
+      ])
+    );
+
+    return html;
+  },
+
+  buildPlaceholderDiv() {
+    return h("div.placeholder-summary-text.placeholder-animation");
   },
 });
 
@@ -30,41 +47,28 @@ export default createWidget("summary-box", {
     return { expandSummarizedOn: false };
   },
 
-  html(attrs, state) {
+  html(attrs) {
     const html = [];
 
     if (attrs.summary) {
       html.push(new RawHtml({ html: `<div>${attrs.summary}</div>` }));
-
-      if (state.expandSummarizedOn) {
       html.push(
-          h(
-            "div.summarized-on",
-            {},
-            I18n.t("summary.summarized_on", {
-              method: attrs.summarizedBy,
-              date: attrs.summarizedOn,
-            })
-          )
-        );
-      } else {
-        html.push(
-          h("div.summarized-on", [
-            this.attach("button", {
-              className: "btn btn-link summarized-on",
-              translatedTitle: I18n.t("summary.summarized_on", {
-                method: "AI",
+        h("div.summarized-on", {}, [
+          new RenderGlimmer(
+            this,
+            "div",
+            hbs`{{@data.summarizedOn}}<DTooltip @placement="top-end">{{d-icon "info-circle"}}
+              {{i18n "summary.model_used" model=@data.attrs.summarizedBy}}
+            </DTooltip>`,
+            {
+              attrs,
+              summarizedOn: I18n.t("summary.summarized_on", {
                 date: attrs.summarizedOn,
               }),
-              translatedLabel: I18n.t("summary.summarized_on", {
-                method: "AI",
-                date: attrs.summarizedOn,
-              }),
-              action: "showFullSummarizedOn",
-            }),
+            }
+          ),
         ])
       );
-      }
     } else {
       html.push(this.attach("summary-skeleton"));
       this.fetchSummary(attrs.topicId);

app/assets/stylesheets/common.scss

@@ -2,6 +2,7 @@
 @import "vendor/normalize";
 @import "vendor/normalize-ext";
 @import "vendor/pikaday";
+@import "vendor/rotate-center";
 @import "vendor/tippy";
 @import "vendor/svg-arrow";
 @import "common/whcm";

app/assets/stylesheets/common/base/_index.scss

@@ -58,6 +58,7 @@
 @import "tooltip";
 @import "topic-admin-menu";
 @import "topic-post";
+@import "topic-summary";
 @import "topic";
 @import "upload";
 @import "user-badges";

app/assets/stylesheets/common/base/topic-post.scss

@@ -838,27 +838,6 @@ aside.quote {
       margin-left: 0.25em;
     }
   }
-
-  .toggle-summary {
-    .summarization-buttons {
-      display: flex;
-    }
-
-    .placeholder-summary {
-      padding-top: 0.5em;
-    }
-
-    .placeholder-summary-text {
-      display: inline-block;
-      height: 1em;
-      margin-top: 0.6em;
-      width: 100%;
-    }
-
-    .summarized-on {
-      text-align: right;
-    }
-  }
 }
 
 .topic-avatar,

app/assets/stylesheets/common/base/topic-summary.scss

@@ -0,0 +1,38 @@
+.topic-map {
+  .toggle-summary {
+    .summarization-buttons {
+      display: flex;
+    }
+
+    .placeholder-summary {
+      padding-top: 0.5em;
+    }
+
+    .placeholder-summary-text {
+      display: inline-block;
+      height: 1em;
+      margin-top: 0.6em;
+      width: 100%;
+    }
+
+    .rotate-center {
+      -webkit-animation: rotate-center 3s cubic-bezier(0.68, -0.55, 0.265, 1.55)
+        0.5s infinite both;
+      animation: rotate-center 3s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.5s
+        infinite both;
+    }
+
+    .placeholder-generating-summary-text {
+      display: inline-block;
+      margin-left: 3px;
+    }
+
+    .summarized-on {
+      text-align: right;
+
+      .model-used {
+        margin-left: 3px;
+      }
+    }
+  }
+}

app/assets/stylesheets/vendor/rotate-center.scss

@@ -0,0 +1,32 @@
+/* ----------------------------------------------
+ * Generated by Animista on 2023-7-17 8:32:34
+ * Licensed under FreeBSD License.
+ * See http://animista.net/license for more info. 
+ * w: http://animista.net, t: @cssanimista
+ * ---------------------------------------------- */
+
+/**
+ * ----------------------------------------
+ * animation rotate-center
+ * ----------------------------------------
+ */
+ @-webkit-keyframes rotate-center {
+  0% {
+    -webkit-transform: rotate(0);
+            transform: rotate(0);
+  }
+  100% {
+    -webkit-transform: rotate(360deg);
+            transform: rotate(360deg);
+  }
+}
+@keyframes rotate-center {
+  0% {
+    -webkit-transform: rotate(0);
+            transform: rotate(0);
+  }
+  100% {
+    -webkit-transform: rotate(360deg);
+            transform: rotate(360deg);
+  }
+}

config/locales/client.en.yml

@@ -2041,7 +2041,8 @@ en:
 
     summary:
       in_progress: "Summarizing topic using AI..."
-      summarized_on: "Summarized with %{method} on %{date}"
+      summarized_on: "Summarized with AI on %{date}"
+      model_used: "AI used: %{model}"
       enabled_description: "You're viewing this topic top replies: the most interesting posts as determined by the community."
       description:
         one: "There is <b>%{count}</b> reply."