UX: Introduce toggle-switch UI for plugins (#22910)

This commit makes some visual tweaks to the admin panel plugin list, and introduces functional 'toggle switches' for admins to enable/disable plugins more easily.

Co-authored-by: Jordan Vidrine <jordan@jordanvidrine.com>

app/assets/javascripts/admin/addon/controllers/admin-plugins-index.js

@@ -0,0 +1,25 @@
+import Controller from "@ember/controller";
+import { action, set } from "@ember/object";
+import { inject as service } from "@ember/service";
+import SiteSetting from "admin/models/site-setting";
+import { popupAjaxError } from "discourse/lib/ajax-error";
+
+export default class AdminPluginsIndexController extends Controller {
+  @service session;
+
+  @action
+  async togglePluginEnabled(plugin) {
+    const enabledSettingName = plugin.enabled_setting;
+
+    const oldValue = plugin.enabled;
+    const newValue = !oldValue;
+    try {
+      set(plugin, "enabled", newValue);
+      await SiteSetting.update(enabledSettingName, newValue);
+      this.session.requiresRefresh = true;
+    } catch (e) {
+      set(plugin, "enabled", oldValue);
+      popupAjaxError(e);
+    }
+  }
+}

app/assets/javascripts/admin/addon/templates/plugins-index.hbs

@@ -31,7 +31,7 @@
                   href={{plugin.url}}
                   rel="noopener noreferrer"
                   target="_blank"
-                >{{plugin.name}}</a>
+                >{{plugin.name}} {{d-icon "external-link-alt"}}</a>
               {{else}}
                 {{plugin.name}}
               {{/if}}
@@ -48,13 +48,12 @@
           <td class="col-enabled">
             <div class="label">{{i18n "admin.plugins.enabled"}}</div>
             {{#if plugin.enabled_setting}}
-              {{#if plugin.enabled}}
-                {{i18n "admin.plugins.is_enabled"}}
+              <DToggleSwitch
+                @state={{plugin.enabled}}
+                {{on "click" (fn this.togglePluginEnabled plugin)}}
+              />
             {{else}}
-                {{i18n "admin.plugins.not_enabled"}}
-              {{/if}}
-            {{else}}
-              {{i18n "admin.plugins.is_enabled"}}
+              <DToggleSwitch @state={{plugin.enabled}} disabled={{true}} />
             {{/if}}
           </td>
           <td class="settings">

app/assets/javascripts/discourse/tests/acceptance/admin-plugins-test.js

@@ -1,9 +1,5 @@
-import {
-  acceptance,
-  exists,
-  query,
-} from "discourse/tests/helpers/qunit-helpers";
-import { visit } from "@ember/test-helpers";
+import { acceptance } from "discourse/tests/helpers/qunit-helpers";
+import { click, visit } from "@ember/test-helpers";
 import { test } from "qunit";
 
 acceptance("Admin - Plugins", function (needs) {
@@ -35,26 +31,39 @@ acceptance("Admin - Plugins", function (needs) {
         ],
       })
     );
+
+    server.put("/admin/site_settings/testplugin_enabled", () =>
+      helper.response()
+    );
   });
 
-  test("shows plugin list", async function (assert) {
+  test("shows plugin list and can toggle state", async function (assert) {
     await visit("/admin/plugins");
-    const table = query("table.admin-plugins");
-    assert.strictEqual(
-      table.querySelector("tr .plugin-name .name").innerText,
-      "some-test-plugin",
-      "displays the plugin in the table"
-    );
 
-    assert.true(
-      exists(".admin-plugins .admin-container .alert-error"),
-      "displays an error for unknown routes"
-    );
+    assert
+      .dom("table.admin-plugins tr .plugin-name .name")
+      .hasText("some-test-plugin", "displays the plugin in the table");
 
-    assert.strictEqual(
-      table.querySelector("tr .version a.commit-hash").href,
+    assert
+      .dom(".admin-plugins .admin-container .alert-error")
+      .exists("shows an error for unknown routes");
+
+    assert
+      .dom("table.admin-plugins tr .version a.commit-hash")
+      .hasAttribute(
+        "href",
         "https://github.com/username/some-test-plugin/commit/1234567890abcdef",
         "displays a commit hash with a link to commit url"
       );
+
+    const toggleSelector = "table.admin-plugins tr .col-enabled button";
+    assert
+      .dom(toggleSelector)
+      .hasAttribute("aria-checked", "true", "displays the plugin as enabled");
+
+    await click(toggleSelector);
+    assert
+      .dom(toggleSelector)
+      .hasAttribute("aria-checked", "false", "displays the plugin as enabled");
   });
 });

plugins/styleguide/assets/javascripts/discourse/components/sections/atoms/02-buttons.hbs

@@ -162,4 +162,14 @@
       (fn (mut @dummy.toggleSwitchState) (not @dummy.toggleSwitchState))
     }}
   />
+  <DToggleSwitch
+    disabled="true"
+    @state={{true}}
+    title="Disabled with state=true"
+  />
+  <DToggleSwitch
+    disabled="true"
+    @state={{false}}
+    title="Disabled with state=false"
+  />
 </StyleguideExample>

plugins/styleguide/assets/stylesheets/styleguide.scss

@@ -195,6 +195,10 @@
     margin-right: 0.5em;
     margin-bottom: 0.5em;
   }
+
+  .d-toggle-switch {
+    display: inline-block;
+  }
 }
 
 .icons-examples,