FIX: Show restricted groups warning when necessary (#16236)

It was displayed for the "everyone" group too, but that was not
necessary.

app/assets/javascripts/discourse/app/controllers/share-topic.js

@@ -21,9 +21,38 @@ export default Controller.extend(
     onShow() {
       this.set("showNotifyUsers", false);
 
-      if (this.model && this.model.read_restricted) {
-        this.restrictedGroupWarning();
+      this.appEvents.on(
+        "modal:body-shown",
+        this,
+        this.showRestrictedGroupWarning
+      );
+    },
+
+    onClose() {
+      this.appEvents.off(
+        "modal:body-shown",
+        this,
+        this.showRestrictedGroupWarning
+      );
+    },
+
+    showRestrictedGroupWarning() {
+      if (!this.model) {
+        return;
       }
+
+      Category.reloadBySlugPath(this.model.slug).then((result) => {
+        const groups = result.category.group_permissions.mapBy("group_name");
+        if (groups && !groups.any((x) => x === "everyone")) {
+          this.flash(
+            I18n.t("topic.share.restricted_groups", {
+              count: groups.length,
+              groups: groups.join(", "),
+            }),
+            "warning"
+          );
+        }
+      });
     },
 
     @discourseComputed("topic.shareUrl")
@@ -111,24 +140,5 @@ export default Controller.extend(
         topicTitle: this.topic.title,
       });
     },
-
-    restrictedGroupWarning() {
-      this.appEvents.on("modal:body-shown", () => {
-        let restrictedGroups;
-        Category.reloadBySlugPath(this.model.slug).then((result) => {
-          restrictedGroups = result.category.group_permissions.map(
-            (g) => g.group_name
-          );
-
-          if (restrictedGroups) {
-            const message = I18n.t("topic.share.restricted_groups", {
-              count: restrictedGroups.length,
-              groupNames: restrictedGroups.join(", "),
-            });
-            this.flash(message, "warning");
-          }
-        });
-      });
-    },
   }
 );

app/assets/javascripts/discourse/tests/acceptance/share-topic-test.js

@@ -1,3 +1,4 @@
+import CategoryFixtures from "discourse/tests/fixtures/category-fixtures";
 import { click, visit } from "@ember/test-helpers";
 import {
   acceptance,
@@ -11,6 +12,12 @@ import { test } from "qunit";
 acceptance("Share and Invite modal", function (needs) {
   needs.user();
 
+  needs.pretender((server, helper) => {
+    server.get("/c/feature/find_by_slug.json", () =>
+      helper.response(200, CategoryFixtures["/c/1/show.json"])
+    );
+  });
+
   test("Topic footer button", async function (assert) {
     await visit("/t/internationalization-localization/280");
 

app/assets/javascripts/discourse/tests/acceptance/topic-test.js

@@ -20,10 +20,14 @@ import { skip, test } from "qunit";
 import { withPluginApi } from "discourse/lib/plugin-api";
 import topicFixtures from "discourse/tests/fixtures/topic";
 import { cloneJSON } from "discourse-common/lib/object";
+import CategoryFixtures from "discourse/tests/fixtures/category-fixtures";
 
 acceptance("Topic", function (needs) {
   needs.user();
   needs.pretender((server, helper) => {
+    server.get("/c/feature/find_by_slug.json", () => {
+      return helper.response(200, CategoryFixtures["/c/1/show.json"]);
+    });
     server.put("/posts/398/wiki", () => {
       return helper.response({});
     });