MenuItemDao, DatabaseConnection and MenuItem completed.

src/main/java/dev/dao/MenuItemDao.java

@@ -1,23 +1,60 @@
 package dev.dao;
 
+import dev.database.DatabaseConnection;
 import dev.model.MenuItem;
 
+import java.sql.*;
+import java.util.ArrayList;
 import java.util.List;
 
 public class MenuItemDao {
 
     public List<MenuItem> findAll() {
+        List<MenuItem> items = new ArrayList<>();
+        String sql = "select * FROM menu_item";
 
-        // TODO:
+        try (Connection connection = DatabaseConnection.getConnection();
-        // Retrieve all menu items
+             Statement statement = connection.createStatement();
+             ResultSet resultSet = statement.executeQuery(sql)
+        ) {
+            while (resultSet.next()) {
+                MenuItem item = new MenuItem(
+                        resultSet.getInt("id"),
+                        resultSet.getString("name"),
+                        resultSet.getString("description"),
+                        resultSet.getDouble("price"),
+                        resultSet.getString("category")
+                );
+                items.add(item);
+            }
+        } catch (SQLException e) {
+            System.err.println("Error fetching menu items: " + e.getMessage());
+        }
 
-        return null;
+        return items;
     }
 
     public MenuItem findById(int id) {
+        String sql = "SELECT * FROM menu_items WHERE id = ?";
 
-        // TODO:
+        try (Connection conn = DatabaseConnection.getConnection();
-        // Find menu item by id
+             PreparedStatement pstmt = conn.prepareStatement(sql)) {
+
+            pstmt.setInt(1, id);
+            try (ResultSet rs = pstmt.executeQuery()) {
+                if (rs.next()) {
+                    return new MenuItem(
+                            rs.getInt("id"),
+                            rs.getString("name"),
+                            rs.getString("description"),
+                            rs.getDouble("price"),
+                            rs.getString("category")
+                    );
+                }
+            }
+        } catch (SQLException e) {
+            System.err.println("Error finding menu item: " + e.getMessage());
+        }
 
         return null;
     }

src/main/java/dev/database/DatabaseConnection.java

@@ -1,6 +1,7 @@
 package dev.database;
 
 import java.sql.Connection;
+import java.sql.DriverManager;
 import java.sql.SQLException;
 
 public class DatabaseConnection {
@@ -17,11 +18,7 @@ public class DatabaseConnection {
 
     public static Connection getConnection()
             throws SQLException {
-
+        return DriverManager.getConnection(URL, USER, PASSWORD);
-        // TODO:
-        // Return a valid PostgreSQL connection
-
-        return null;
     }
 
 }

src/main/java/dev/model/MenuItem.java

@@ -12,4 +12,11 @@ public class MenuItem {
 
     private String category;
 
+    public MenuItem(int id, String name, String description, double price, String category) {
+        this.id = id;
+        this.name = name;
+        this.description = description;
+        this.price = price;
+        this.category = category;
+    }
 }