DEV: Use site locale for composer helper translations (#698)

app/controllers/discourse_ai/ai_helper/assistant_controller.rb

@@ -12,6 +12,7 @@ module DiscourseAi
 
       def suggest
         input = get_text_param!
+        force_default_locale = params[:force_default_locale] || false
 
         prompt = CompletionPrompt.find_by(id: params[:mode])
 
@@ -31,6 +32,7 @@ module DiscourseAi
                      prompt,
                      input,
                      current_user,
+                     force_default_locale,
                    ),
                  status: 200
         end

assets/javascripts/discourse/connectors/after-d-editor/ai-helper-context-menu.js

@@ -8,6 +8,7 @@ import { popupAjaxError } from "discourse/lib/ajax-error";
 import { caretPosition, getCaretPosition } from "discourse/lib/utilities";
 import { INPUT_DELAY } from "discourse-common/config/environment";
 import { afterRender, bind, debounce } from "discourse-common/utils/decorators";
+import I18n from "discourse-i18n";
 import { showComposerAIHelper } from "../../lib/show-ai-helper";
 
 export default class AiHelperContextMenu extends Component {
@@ -76,7 +77,28 @@ export default class AiHelperContextMenu extends Component {
 
     prompts = prompts
       .filter((p) => p.location.includes("composer"))
-      .filter((p) => p.name !== "generate_titles");
+      .filter((p) => p.name !== "generate_titles")
+      .map((p) => {
+        // AI helper by default returns interface locale on translations
+        // Since we want site default translations (and we are using: force_default_locale)
+        // we need to replace the translated_name with the site default locale name
+        const siteLocale = this.siteSettings.default_locale;
+        const availableLocales = JSON.parse(
+          this.siteSettings.available_locales
+        );
+        const locale = availableLocales.find((l) => l.value === siteLocale);
+        const translatedName = I18n.t(
+          "discourse_ai.ai_helper.context_menu.translate_prompt",
+          {
+            language: locale.name,
+          }
+        );
+
+        if (p.name === "translate") {
+          return { ...p, translated_name: translatedName };
+        }
+        return p;
+      });
 
     // Find the custom_prompt object and move it to the beginning of the array
     const customPromptIndex = prompts.findIndex(
@@ -367,6 +389,7 @@ export default class AiHelperContextMenu extends Component {
         mode: option.id,
         text: this.selectedText,
         custom_prompt: this.customPromptValue,
+        force_default_locale: true,
       },
     });
 

config/locales/client.en.yml

@@ -292,6 +292,7 @@ en:
             title: "Custom Prompt"
             placeholder: "Enter a custom prompt..."
             submit: "Send Prompt"
+          translate_prompt: "Translate to %{language}"
         post_options_menu:
           trigger: "Ask AI"
           title: "Ask AI"

config/locales/server.en.yml

@@ -158,7 +158,7 @@ en:
       errors:
         completion_request_failed: "Something went wrong while trying to provide suggestions. Please, try again."
       prompts:
-        translate: Translate to English
+        translate: Translate to %{language}
         generate_titles: Suggest topic titles
         proofread: Proofread text
         markdown_table: Generate Markdown table

lib/ai_helper/assistant.rb

@@ -11,7 +11,7 @@ module DiscourseAi
         prompt_cache.flush!
       end
 
-      def available_prompts
+      def available_prompts(user)
         key = "prompt_cache_#{I18n.locale}"
         self
           .class
@@ -27,9 +27,19 @@ module DiscourseAi
 
             prompts =
               prompts.map do |prompt|
+                if prompt.name == "translate"
+                  locale = user.effective_locale
+                  locale_hash = LocaleSiteSetting.language_names[locale]
+                  translation =
+                    I18n.t(
+                      "discourse_ai.ai_helper.prompts.translate",
+                      language: locale_hash["nativeName"],
+                    ) || prompt.translated_name || prompt.name
+                else
                   translation =
                     I18n.t("discourse_ai.ai_helper.prompts.#{prompt.name}", default: nil) ||
                       prompt.translated_name || prompt.name
+                end
 
                 {
                   id: prompt.id,
@@ -44,9 +54,9 @@ module DiscourseAi
           end
       end
 
-      def custom_locale_instructions(user = nil)
+      def custom_locale_instructions(user = nil, force_default_locale)
         locale = SiteSetting.default_locale
-        locale = user.locale || SiteSetting.default_locale if SiteSetting.allow_user_locale && user
+        locale = user.effective_locale if !force_default_locale
         locale_hash = LocaleSiteSetting.language_names[locale]
 
         if locale != "en" && locale_hash
@@ -57,15 +67,17 @@ module DiscourseAi
         end
       end
 
-      def localize_prompt!(prompt, user = nil)
+      def localize_prompt!(prompt, user = nil, force_default_locale)
-        locale_instructions = custom_locale_instructions(user)
+        locale_instructions = custom_locale_instructions(user, force_default_locale)
         if locale_instructions
           prompt.messages[0][:content] = prompt.messages[0][:content] + locale_instructions
         end
 
         if prompt.messages[0][:content].include?("%LANGUAGE%")
           locale = SiteSetting.default_locale
-          locale = user.locale if SiteSetting.allow_user_locale && user&.locale.present?
+
+          locale = user.effective_locale if user && !force_default_locale
+
           locale_hash = LocaleSiteSetting.language_names[locale]
 
           prompt.messages[0][:content] = prompt.messages[0][:content].gsub(
@@ -75,10 +87,10 @@ module DiscourseAi
         end
       end
 
-      def generate_prompt(completion_prompt, input, user, &block)
+      def generate_prompt(completion_prompt, input, user, force_default_locale = false, &block)
         llm = DiscourseAi::Completions::Llm.proxy(SiteSetting.ai_helper_model)
         prompt = completion_prompt.messages_with_input(input)
-        localize_prompt!(prompt, user)
+        localize_prompt!(prompt, user, force_default_locale)
 
         llm.generate(
           prompt,
@@ -90,8 +102,8 @@ module DiscourseAi
         )
       end
 
-      def generate_and_send_prompt(completion_prompt, input, user)
+      def generate_and_send_prompt(completion_prompt, input, user, force_default_locale = false)
-        completion_result = generate_prompt(completion_prompt, input, user)
+        completion_result = generate_prompt(completion_prompt, input, user, force_default_locale)
         result = { type: completion_prompt.prompt_type }
 
         result[:suggestions] = (

lib/ai_helper/entry_point.rb

@@ -38,7 +38,7 @@ module DiscourseAi
           end,
         ) do
           ActiveModel::ArraySerializer.new(
-            DiscourseAi::AiHelper::Assistant.new.available_prompts,
+            DiscourseAi::AiHelper::Assistant.new.available_prompts(scope.user),
             root: false,
           )
         end

spec/lib/modules/ai_helper/assistant_spec.rb

@@ -16,17 +16,27 @@ RSpec.describe DiscourseAi::AiHelper::Assistant do
   describe("#custom_locale_instructions") do
     it "Properly generates the per locale system instruction" do
       SiteSetting.default_locale = "ko"
-      expect(subject.custom_locale_instructions).to eq(
+      expect(subject.custom_locale_instructions(user, false)).to eq(
         "It is imperative that you write your answer in Korean (한국어), you are interacting with a Korean (한국어) speaking user. Leave tag names in English.",
       )
 
       SiteSetting.allow_user_locale = true
       user.update!(locale: "he")
 
-      expect(subject.custom_locale_instructions(user)).to eq(
+      expect(subject.custom_locale_instructions(user, false)).to eq(
         "It is imperative that you write your answer in Hebrew (עברית), you are interacting with a Hebrew (עברית) speaking user. Leave tag names in English.",
       )
     end
+
+    it "returns sytstem instructions using Site locale if force_default_locale is true" do
+      SiteSetting.default_locale = "ko"
+      SiteSetting.allow_user_locale = true
+      user.update!(locale: "he")
+
+      expect(subject.custom_locale_instructions(user, true)).to eq(
+        "It is imperative that you write your answer in Korean (한국어), you are interacting with a Korean (한국어) speaking user. Leave tag names in English.",
+      )
+    end
   end
 
   describe("#available_prompts") do
@@ -36,7 +46,7 @@ RSpec.describe DiscourseAi::AiHelper::Assistant do
     end
 
     it "returns all available prompts" do
-      prompts = subject.available_prompts
+      prompts = subject.available_prompts(user)
 
       expect(prompts.length).to eq(6)
       expect(prompts.map { |p| p[:name] }).to contain_exactly(
@@ -56,7 +66,7 @@ RSpec.describe DiscourseAi::AiHelper::Assistant do
       end
 
       it "returns the illustrate_post prompt in the list of all prompts" do
-        prompts = subject.available_prompts
+        prompts = subject.available_prompts(user)
 
         expect(prompts.length).to eq(7)
         expect(prompts.map { |p| p[:name] }).to contain_exactly(

spec/lib/modules/ai_helper/entry_point_spec.rb

@@ -21,7 +21,7 @@ describe DiscourseAi::AiHelper::EntryPoint do
       parsed["current_user"]["ai_helper_prompts"].find { |prompt| prompt["name"] == "translate" }
 
     expect(translate_prompt["translated_name"]).to eq(
-      I18n.t("discourse_ai.ai_helper.prompts.translate"),
+      I18n.t("discourse_ai.ai_helper.prompts.translate", language: "English (US)"),
     )
 
     I18n.with_locale("fr") do
@@ -32,7 +32,7 @@ describe DiscourseAi::AiHelper::EntryPoint do
         parsed["current_user"]["ai_helper_prompts"].find { |prompt| prompt["name"] == "translate" }
 
       expect(translate_prompt["translated_name"]).to eq(
-        I18n.t("discourse_ai.ai_helper.prompts.translate", locale: "fr"),
+        I18n.t("discourse_ai.ai_helper.prompts.translate", locale: "fr", language: "Français"),
       )
     end
   end