feat: DashboardView year selector

src/main/java/com/application/munera/repositories/ExpenseRepository.java

@@ -12,6 +12,8 @@ import java.util.List;
 import java.util.Set;
 
 public interface ExpenseRepository extends JpaRepository<Expense, Long>, JpaSpecificationExecutor<Expense> {
+    @Query("SELECT DISTINCT YEAR(e.date) FROM Expense e WHERE e.userId = :userId ORDER BY YEAR(e.date)")
+    List<Integer> findExpenseYearsByUserId(@Param("userId") Long userId);
 
     // Find expenses where the payer is a specific person
     @Query("SELECT e FROM Expense e WHERE e.payer.id = :personId")

src/main/java/com/application/munera/services/ExpenseService.java

@@ -10,7 +10,6 @@ import com.application.munera.security.SecurityUtils;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.domain.Specification;
-import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.stereotype.Service;
 
@@ -204,6 +203,15 @@ public class ExpenseService {
         return totalExpenses;
     }
 
+    /**
+     * Gets the list of years in which at least one expense has been made
+     * @param userId the user from which to look into the expenses
+     * @return the list of years found
+     */
+    public List<Integer> getAvailableExpenseYearsForUser(Long userId) {
+        return expenseRepository.findExpenseYearsByUserId(userId);
+    }
+
     // ================================
     // Private methods
     // ================================

src/main/java/com/application/munera/views/dashboard/DashboardView.java

@@ -44,7 +44,7 @@ public class DashboardView extends Div {
         addClassName("highcharts-view"); // Optional CSS class for styling
 
         // Fetch available years from the database
-        List<Integer> availableYears = List.of(Integer.valueOf("2024"), Integer.valueOf("2023"));
+        List<Integer> availableYears = this.expenseService.getAvailableExpenseYearsForUser(loggedUser.getId());
 
         // Initialize the ComboBox for year selection
         yearComboBox = new ComboBox<>("Select Year");
@@ -115,9 +115,7 @@ public class DashboardView extends Div {
         bottomRowLayout.add(bottomRightChartDiv);
 
         mainLayout.add(bottomRowLayout);
-
         add(mainLayout);
-
         updateCharts(Year.now());
     }