From 4da4b5609f6d76c3ec667348b0d213ca26f1a965 Mon Sep 17 00:00:00 2001
From: Keegan George <kgeorge13@gmail.com>
Date: Tue, 29 Aug 2023 11:58:45 -0700
Subject: [PATCH] FIX: Show warning when trying to generate suggestions without
 content (#175)

---
 .../after-composer-title-input/ai-title-suggester.gjs  | 10 +++++++++-
 config/locales/client.en.yml                           |  1 +
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/assets/javascripts/discourse/connectors/after-composer-title-input/ai-title-suggester.gjs b/assets/javascripts/discourse/connectors/after-composer-title-input/ai-title-suggester.gjs
index 6350270a..5817bcc6 100644
--- a/assets/javascripts/discourse/connectors/after-composer-title-input/ai-title-suggester.gjs
+++ b/assets/javascripts/discourse/connectors/after-composer-title-input/ai-title-suggester.gjs
@@ -6,6 +6,9 @@ import { ajax } from "discourse/lib/ajax";
 import { popupAjaxError } from "discourse/lib/ajax-error";
 import didInsert from "@ember/render-modifiers/modifiers/did-insert";
 import { bind } from "discourse-common/utils/decorators";
+import { inject as service } from "@ember/service";
+import I18n from "I18n";
+
 
 export default class AITitleSuggester extends Component {
   <template>
@@ -33,6 +36,7 @@ export default class AITitleSuggester extends Component {
     {{/if}}
   </template>
 
+  @service dialog;
   @tracked loading = false;
   @tracked showMenu = false;
   @tracked generatedTitleSuggestions = [];
@@ -50,7 +54,7 @@ export default class AITitleSuggester extends Component {
   }
 
   get composerInput() {
-    return document.querySelector(".d-editor-input").value || this.args.outletArgs.composer.reply;
+    return document.querySelector(".d-editor-input")?.value || this.args.outletArgs.composer.reply;
   }
 
   get disableSuggestionButton() {
@@ -90,6 +94,10 @@ export default class AITitleSuggester extends Component {
 
   @action
   async suggestTitles() {
+    if (this.composerInput?.length === 0) {
+      return this.dialog.alert(I18n.t("discourse_ai.ai_helper.missing_content"));
+    }
+
     this.loading = true;
     this.suggestTitleIcon = "spinner";
 
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index af1a75d8..6077c311 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -17,6 +17,7 @@ en:
         description: "Choose one of the options below, and the AI will suggest you a new version of the text."
         selection_hint: "Hint: You can also select a portion of the text before opening the helper to rewrite only that."
         suggest_titles: "Suggest titles with AI"
+        missing_content: "Please enter some content to generate suggestions."
         context_menu:
           trigger: "AI"
           undo: "Undo"