Merge branch 'feature/client-recipe-i18n' into 'main'

Client recipe internationalization

Closes #39

See merge request cse1105/2025-2026/teams/csep-team-76!49

client/src/main/java/client/scenes/FoodpalApplicationCtrl.java

@@ -277,7 +277,10 @@ public class FoodpalApplicationCtrl implements LocaleAware {
     public void refresh() {
         List<Recipe> recipes;
         try {
-            recipes = server.getRecipesFiltered(searchBarController.getFilter());
+            recipes = server.getRecipesFiltered(
+                    searchBarController.getFilter(),
+                    this.configService.getConfig().getRecipeLanguages()
+            );
         } catch (IOException | InterruptedException e) {
             recipes = Collections.emptyList();
             String msg = "Failed to load recipes: " + e.getMessage();

client/src/main/java/client/scenes/LanguageFilterCtrl.java

@@ -0,0 +1,87 @@
+package client.scenes;
+
+import client.utils.ConfigService;
+import client.utils.LocaleAware;
+import client.utils.LocaleManager;
+import com.google.inject.Inject;
+import javafx.fxml.FXML;
+import javafx.scene.control.CheckMenuItem;
+import javafx.scene.control.MenuButton;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class LanguageFilterCtrl implements LocaleAware {
+    private final LocaleManager manager;
+    private final ConfigService configService;
+    private final FoodpalApplicationCtrl appCtrl;
+
+    @Inject
+    public LanguageFilterCtrl(LocaleManager manager, ConfigService configService, FoodpalApplicationCtrl appCtrl) {
+        this.manager = manager;
+        this.configService = configService;
+        this.appCtrl = appCtrl;
+    }
+
+    @FXML
+    MenuButton langFilterMenu;
+
+    List<String> selectedLanguages = new ArrayList<>();
+
+    private String getSelectedLanguagesDisplay() {
+        String joined = String.join(", ", selectedLanguages);
+        if (joined.isEmpty()) {
+            return "none";
+        } else {
+            return joined;
+        }
+    }
+
+    private void updateMenuButtonDisplay() {
+        langFilterMenu.setText(getLocaleString("menu.label.selected-langs") + ": " + this.getSelectedLanguagesDisplay());
+    }
+
+    @Override
+    public void updateText() {
+        this.updateMenuButtonDisplay();
+    }
+
+    @Override
+    public LocaleManager getLocaleManager() {
+        return this.manager;
+    }
+
+    public void initializeComponents() {
+        var items = this.langFilterMenu.getItems();
+
+        final List<String> languages = List.of("en", "nl", "pl");
+        this.selectedLanguages = this.configService.getConfig().getRecipeLanguages();
+        this.updateMenuButtonDisplay();
+
+        items.clear();
+
+        languages.forEach(lang -> {
+            CheckMenuItem it = new CheckMenuItem(lang);
+
+            if (selectedLanguages.contains(it.getText())) {
+                it.setSelected(true);
+            }
+
+            it.selectedProperty().addListener((observable, _, value) -> {
+                if (value) {
+                    selectedLanguages.add(it.getText());
+                } else {
+                    selectedLanguages.remove(it.getText());
+                }
+
+                configService.save();
+                selectedLanguages.sort(String::compareTo);
+                appCtrl.refresh();
+
+                this.updateMenuButtonDisplay();
+            });
+
+            items.add(it);
+        });
+    }
+}

client/src/main/java/client/scenes/SearchBarCtrl.java

@@ -1,5 +1,6 @@
 package client.scenes;
 
+import client.utils.ConfigService;
 import client.utils.LocaleAware;
 import client.utils.LocaleManager;
 import client.utils.ServerUtils;
@@ -28,6 +29,7 @@ public class SearchBarCtrl implements LocaleAware {
 
     private final LocaleManager localeManager;
     private final ServerUtils serverUtils;
+    private final ConfigService configService;
 
     private Consumer<List<Recipe>> onSearchCallback;
 
@@ -41,9 +43,10 @@ public class SearchBarCtrl implements LocaleAware {
     private Task<List<Recipe>> currentSearchTask = null;
 
     @Inject
-    public SearchBarCtrl(LocaleManager localeManager, ServerUtils serverUtils) {
+    public SearchBarCtrl(LocaleManager localeManager, ServerUtils serverUtils, ConfigService configService) {
         this.localeManager = localeManager;
         this.serverUtils = serverUtils;
+        this.configService = configService;
     }
 
     @FXML
@@ -96,7 +99,7 @@ public class SearchBarCtrl implements LocaleAware {
         currentSearchTask = new Task<>() {
             @Override
             protected List<Recipe> call() throws IOException, InterruptedException {
-                return serverUtils.getRecipesFiltered(filter);
+                return serverUtils.getRecipesFiltered(filter, configService.getConfig().getRecipeLanguages());
             }
         };
 

client/src/main/java/client/scenes/recipe/RecipeDetailCtrl.java

@@ -19,6 +19,7 @@ import javafx.scene.control.Button;
 import javafx.scene.control.Label;
 import javafx.scene.control.ListView;
 import javafx.scene.control.TextField;
+import javafx.scene.control.ComboBox;
 import javafx.scene.input.KeyCode;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
@@ -77,6 +78,9 @@ public class RecipeDetailCtrl implements LocaleAware {
     @FXML
     private Button favouriteButton;
 
+    @FXML
+    private ComboBox<String> langSelector;
+
     private ListView<Recipe> getParentRecipeList() {
         return this.appCtrl.recipeList;
     }
@@ -138,6 +142,7 @@ public class RecipeDetailCtrl implements LocaleAware {
         this.showName(recipe.getName());
         this.ingredientListController.refetchFromRecipe(recipe);
         this.stepListController.refetchFromRecipe(recipe);
+        this.langSelector.setValue(recipe.getLocale());
         this.refreshFavouriteButton();
     }
 
@@ -294,6 +299,20 @@ public class RecipeDetailCtrl implements LocaleAware {
         editableTitleArea.getChildren().add(nameLabel);
     }
 
+    /**
+     * Switch the recipe's language.
+     */
+    @FXML
+    void changeLanguage() {
+        recipe.setLocale(this.langSelector.getValue());
+
+        try {
+            server.updateRecipe(this.recipe);
+        } catch (IOException | InterruptedException e) {
+            throw new UpdateException("Error occurred when updating recipe locale!");
+        }
+    }
+
     @Override
     public void updateText() {
         editRecipeTitleButton.setText(getLocaleString("menu.button.edit"));
@@ -309,5 +328,7 @@ public class RecipeDetailCtrl implements LocaleAware {
     @Override
     public void initializeComponents() {
         initStepsIngredientsList();
+
+        langSelector.getItems().addAll("en", "nl", "pl");
     }
 }

client/src/main/java/client/utils/Config.java

@@ -7,6 +7,7 @@ public class Config {
 
 
     private String language = "en";
+    private List<String> recipeLanguages = new ArrayList<>();
     private String serverUrl = "http://localhost:8080";
 
     private List<Long> favourites = new ArrayList<>();
@@ -66,5 +67,28 @@ public class Config {
     public void removeFavourite(long recipeId) {
         getFavourites().remove(recipeId);
     }
+
+    /**
+     * Get a list of languages that should filter the displayed recipes.
+     *
+     * @return The desired languages the user would like to see.
+     */
+    public List<String> getRecipeLanguages() {
+        return this.recipeLanguages;
+    }
+
+    /**
+     * Add a language to the list of filtering languages.
+     */
+    public void addRecipeLanguage(String lang) {
+        this.recipeLanguages.add(lang);
+    }
+
+    /**
+     * Remove a language from the list of filtering languages.
+     */
+    public void removeRecipeLanguage(String lang) {
+        this.recipeLanguages.remove(lang);
+    }
 }
 

client/src/main/java/client/utils/ServerUtils.java

@@ -40,9 +40,16 @@ public class ServerUtils {
      * Gets all the recipes from the backend.
      * @return a JSON string with all the recipes
      */
-    public List<Recipe> getRecipes() throws IOException, InterruptedException {
+    public List<Recipe> getRecipes(List<String> locales) throws IOException, InterruptedException {
+
+        String uri =
+                SERVER +
+                        "/recipes" +
+                        "?locales=" +
+                        String.join(",", locales);
+
         HttpRequest request = HttpRequest.newBuilder()
-                .uri(URI.create(SERVER + "/recipes"))
+                .uri(URI.create(uri))
                 .GET()
                 .build();
         HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
@@ -57,9 +64,9 @@ public class ServerUtils {
         return list; // JSON string-> List<Recipe> (Jackson)
     }
 
-    public List<Recipe> getRecipesFiltered(String filter) throws IOException, InterruptedException {
+    public List<Recipe> getRecipesFiltered(String filter, List<String> locales) throws IOException, InterruptedException {
         // TODO: implement filtering on server side
-        return this.getRecipes();
+        return this.getRecipes(locales);
     }
 
     /**
@@ -88,7 +95,7 @@ public class ServerUtils {
      */
     public Recipe addRecipe(Recipe newRecipe) throws IOException, InterruptedException {
         //Make sure the name of the newRecipe is unique
-        List<Recipe> allRecipes = getRecipes();
+        List<Recipe> allRecipes = getRecipes(List.of());
         newRecipe.setId(null); // otherwise the id is the same as the original, and that's wrong
         // now that each recipeIngredient has its own ID in the database,
         // we set that to null too to force a new persist value on the server

client/src/main/resources/client/scenes/FoodpalApplication.fxml

@@ -48,6 +48,7 @@
             </Label>
 
             <fx:include source="SearchBar.fxml" fx:id="searchBar" />
+            <fx:include source="LanguageFilter.fxml" fx:id="langFilter" />
 
             <ListView fx:id="recipeList" />
 

client/src/main/resources/client/scenes/LanguageFilter.fxml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.MenuButton?>
+
+<MenuButton
+        mnemonicParsing="false"
+        text="Languages"
+        xmlns:fx="http://javafx.com/fxml/1"
+        xmlns="http://javafx.com/javafx/25"
+        fx:controller="client.scenes.LanguageFilterCtrl"
+        fx:id="langFilterMenu"
+/>

client/src/main/resources/client/scenes/recipe/RecipeDetailView.fxml

@@ -27,6 +27,8 @@
         <Button fx:id="favouriteButton" onAction="#toggleFavourite" text="☆" />
     </HBox>
 
+    <ComboBox fx:id="langSelector" onAction="#changeLanguage" />
+
     <!-- Ingredients -->
     <fx:include source="IngredientList.fxml" fx:id="ingredientList"
                 VBox.vgrow="ALWAYS" maxWidth="Infinity" />

client/src/main/resources/locale/lang.properties

@@ -25,6 +25,8 @@ menu.button.edit=Edit
 menu.button.clone=Clone
 menu.button.print=Print recipe
 
+menu.label.selected-langs=Languages
+
 lang.en.display=English
 lang.nl.display=Dutch
 lang.pl.display=Polish

client/src/main/resources/locale/lang_en.properties

@@ -26,6 +26,9 @@ menu.button.clone=Clone
 menu.button.print=Print recipe
 
 menu.search=Search...
+
+menu.label.selected-langs=Languages
+
 lang.en.display=English
 lang.nl.display=Nederlands
 lang.pl.display=Polski

client/src/main/resources/locale/lang_nl.properties

@@ -25,6 +25,8 @@ menu.button.edit=Bewerken
 menu.button.clone=Dupliceren
 menu.button.print=Recept afdrukken
 
+menu.label.selected-langs=Talen
+
 menu.search=Zoeken...
 lang.en.display=English
 lang.nl.display=Nederlands

client/src/main/resources/locale/lang_pl.properties

@@ -26,6 +26,9 @@ menu.button.clone=Duplikuj
 menu.button.print=Drukuj przepis
 
 menu.search=Szukaj...
+
+menu.label.selected-langs=J?zyki
+
 lang.en.display=English
 lang.nl.display=Nederlands
 lang.pl.display=Polski

client/src/test/java/client/ServerUtilsTest.java

@@ -49,7 +49,7 @@ class ServerUtilsTest {
     void tearDown() throws IOException, InterruptedException {
         // Not applicable in pipeline testing
         Assumptions.assumeTrue(dv.isServerAvailable(), "Server not available");
-        dv.getRecipes().stream().map(Recipe::getId).forEach(id -> {
+        dv.getRecipes(List.of()).stream().map(Recipe::getId).forEach(id -> {
             try {
                 dv.deleteRecipe(id);
             } catch (Exception ex) {
@@ -77,7 +77,7 @@ class ServerUtilsTest {
 
     @Test
     void getAllRecipesTest() throws IOException, InterruptedException {
-        List<Recipe> recipes = dv.getRecipes();
+        List<Recipe> recipes = dv.getRecipes(List.of());
 
         assertNotNull(recipes, "The list should not be null");
         assertTrue(recipes.size() >= 0, "The list should be 0 (when no recipes), or more");