Updated FrontpageController

Added methods do dynamically populate a scroll pane with checkmarks for filtering categories, and changed the logic of the filtering method. Removed unused methods.

helpmehelpapplication/src/main/java/ntnu/systemutvikling/team6/controller/FrontpageController.java

@@ -17,6 +17,7 @@
 import ntnu.systemutvikling.team6.controller.components.NavbarFooterController;
 import ntnu.systemutvikling.team6.controller.components.OrganizationCardController;
 import ntnu.systemutvikling.team6.database.DatabaseConnection;
+import ntnu.systemutvikling.team6.database.Readers.CategorySelect;
 import ntnu.systemutvikling.team6.database.Readers.CharitySelect;
 import ntnu.systemutvikling.team6.database.Readers.DonationSelect;
 import ntnu.systemutvikling.team6.models.Charity;
@@ -41,9 +42,8 @@ public class FrontpageController extends BaseController implements NavbarFooterC
   @FXML private Label PreApproved_Percentage;
   @FXML private TextField frontSearchField;
   @FXML private CheckBox verifiedFilter;
-  @FXML private CheckBox childrenFilter;
-  @FXML private CheckBox healthFilter;
-  @FXML private CheckBox emergencyAidFilter;
+  @FXML private javafx.scene.layout.VBox categoryList;
+  private final List<String> selectedCategories = new ArrayList<>();
 
   private List<Charity> allCharities = new ArrayList<>();
 
@@ -64,8 +64,27 @@ public void initialize() {
       DatabaseConnection conn = new DatabaseConnection();
       CharitySelect cdb = new CharitySelect(conn);
       DonationSelect ddb = new DonationSelect(conn);
+      CategorySelect categoryselect = new CategorySelect(conn);
       CharityRegistry charities = cdb.getCharitiesFromDB();
       DonationRegistry donations = ddb.getDonationFromDB();
+      List<String> categories = categoryselect.getCategoriesFromDB();
+      categories.sort(String::compareToIgnoreCase);
+
+      for (String category : categories) {
+        CheckBox cb = new CheckBox(category);
+
+        cb.setOnAction(
+            e -> {
+              if (cb.isSelected()) {
+                selectedCategories.add(category);
+              } else {
+                selectedCategories.remove(category);
+              }
+              displayCharities(getFilteredCharities());
+            });
+
+        categoryList.getChildren().add(cb);
+      }
 
       allCharities = new ArrayList<>(charities.getAllCharities());
       displayCharities(allCharities);
@@ -142,69 +161,42 @@ public void handleFrontSearch(ActionEvent event) {
   /**
    * This method is used to filter the charities based on the selected filters.
    *
+   * <p>The filters are whether the charity was pre-verified, or if it falls under one (or more) of
+   * the given categories.
+   *
    * @return a list of filtered charities.
    */
   private List<Charity> getFilteredCharities() {
-    if (!verifiedFilter.isSelected()
-        && !childrenFilter.isSelected()
-        && !healthFilter.isSelected()
-        && !emergencyAidFilter.isSelected()) {
-      return allCharities;
-    }
 
-    List<Charity> filteredCharities = new ArrayList<>();
+    List<Charity> filtered = new ArrayList<>();
+
     for (Charity charity : allCharities) {
-      if (matchesSelectedFilters(charity)) {
-        filteredCharities.add(charity);
+
+      if (verifiedFilter.isSelected() && !charity.getPreApproved()) {
+        continue;
       }
-    }
-    return filteredCharities;
-  }
 
-  /**
-   * This method is used to check if a charity matches the selected filters.
-   *
-   * @param charity is the charity to be checked.
-   * @return true if the charity matches the selected filters, false otherwise.
-   */
-  private boolean matchesSelectedFilters(Charity charity) {
-    return (verifiedFilter.isSelected() && charity.getPreApproved())
-        || (childrenFilter.isSelected() && matchesKeywordCategory(charity, "children"))
-        || (healthFilter.isSelected() && matchesKeywordCategory(charity, "health"))
-        || (emergencyAidFilter.isSelected() && matchesKeywordCategory(charity, "emergency"));
-  }
+      if (!selectedCategories.isEmpty()) {
 
-  /**
-   * This method is used to check if a charity matches a specific category.
-   *
-   * @param charity is the charity to be checked.
-   * @param category is the category to check against.
-   * @return true if the charity matches the category, false otherwise.
-   */
-  private boolean matchesKeywordCategory(Charity charity, String category) {
-    String text = (charity.getName() + " " + charity.getDescription()).toLowerCase();
-
-    return switch (category) {
-      case "children" ->
-          text.contains("child")
-              || text.contains("children")
-              || text.contains("barn")
-              || text.contains("youth")
-              || text.contains("young");
-      case "health" ->
-          text.contains("health")
-              || text.contains("medical")
-              || text.contains("helse")
-              || text.contains("hospital")
-              || text.contains("care");
-      case "emergency" ->
-          text.contains("emergency")
-              || text.contains("relief")
-              || text.contains("crisis")
-              || text.contains("aid")
-              || text.contains("disaster");
-      default -> false;
-    };
+        boolean hasMatch = false;
+
+        for (String cat : charity.getCategory()) {
+          if (cat == null) continue;
+
+          if (selectedCategories.contains(cat.toLowerCase().trim())) {
+            hasMatch = true;
+            break;
+          }
+        }
+
+        if (!hasMatch) {
+          continue;
+        }
+      }
+      filtered.add(charity);
+    }
+
+    return filtered;
   }
 
   /**