diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..ab1f416
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..bf2c501
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,13 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/dataSources.xml b/.idea/dataSources.xml
new file mode 100644
index 0000000..5b136bb
--- /dev/null
+++ b/.idea/dataSources.xml
@@ -0,0 +1,12 @@
+
+
+
+
+ postgresql
+ true
+ org.postgresql.Driver
+ jdbc:postgresql://localhost:5432/postgres
+ $ProjectFileDir$
+
+
+
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..aa00ffa
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..4158879
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,20 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..eba6e1f
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,12 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/sqldialects.xml b/.idea/sqldialects.xml
new file mode 100644
index 0000000..1df8135
--- /dev/null
+++ b/.idea/sqldialects.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/database.sql b/database.sql
index 2169346..5aefc62 100644
--- a/database.sql
+++ b/database.sql
@@ -1,141 +1,51 @@
--- Restaurant Database Management System
---
--- Instructions:
--- 1. Create all required tables.
--- 2. Design appropriate PRIMARY KEY and FOREIGN KEY relationships.
--- 3. Add suitable constraints based on the requirements.
--- 4. Insert initial mock data.
--- 5. Insert at least 3 menu items.
--- 6. The script should be executable from start to finish without errors.
+CREATE TABLE users(
+ id BIGSERIAL PRIMARY KEY,
+ username VARCHAR(20) NOT NULL UNIQUE,
+ password_hash VARCHAR(256) NOT NULL,
+ email VARCHAR(50)
+);
+
+CREATE TABLE menu_items(
+ id BIGSERIAL PRIMARY KEY,
+ name VARCHAR(50) NOT NULL,
+ description VARCHAR(100),
+ price DECIMAL NOT NULL CHECK (price > 0),
+ category VARCHAR(50)
+);
+
+CREATE TABLE customer_orders(
+ id BIGSERIAL PRIMARY KEY,
+ user_id BIGINT NOT NULL,
+ time TIMESTAMP DEFAULT CURRENT_TIMESTAMP ,
+ total_price DECIMAL(10 , 2),
+ CONSTRAINT fk_user_id
+ FOREIGN KEY (user_id)
+ REFERENCES users(id)
+);
+CREATE TABLE order_details (
+ id BIGSERIAL PRIMARY KEY,
+ order_id BIGINT NOT NULL,
+ menu_item_id BIGINT NOT NULL,
+ quantity INTEGER NOT NULL CHECK (quantity > 0),
+ unit_price DECIMAL(10 , 2) NOT NULL,
--- =======================================================
--- USER TABLE
--- =======================================================
---
--- Represents customers using the system.
---
--- Required information:
--- - Unique identifier
--- - Username
--- - Password
--- - Email (optional)
---
--- Requirements:
--- - Each user must have a unique identifier.
--- - Usernames must be unique.
--- - Username and password are required.
--- - Passwords should not be stored in plain text.
---
--- CREATE TABLE ...
+ CONSTRAINT fk_order
+ FOREIGN KEY (order_id)
+ REFERENCES customer_orders(id) ,
+
+ CONSTRAINT fk_menu_item
+ FOREIGN KEY (menu_item_id)
+ REFERENCES menu_items(id)
+
+);
+INSERT INTO menu_items(name, description ,price, category) VALUES ('Margherita Pizza', 'Classic pizza with tomato and mozzarella', 12.99, 'Pizza'),
+ ('Pepperoni Pizza', 'Pizza with pepperoni and cheese', 14.99, 'Pizza'),
+ ('Cheeseburger', 'Beef burger with cheddar cheese', 10.99, 'Burger'),
+ ('Spaghetti Carbonara', 'Pasta with eggs, cheese, and pancetta', 13.99, 'Pasta'),
+ ('Coca-Cola', 'Classic carbonated soft drink', 3.99, 'Drink'),
+ ('Sparkling Water', 'Natural sparkling mineral water', 2.99, 'Drink');
--- =======================================================
--- MENU ITEM TABLE
--- =======================================================
---
--- Represents available food and drink items.
---
--- Required information:
--- - Unique identifier
--- - Name
--- - Description (optional)
--- - Price
--- - Category (optional)
---
--- Requirements:
--- - Each menu item must have a unique identifier.
--- - Name is required.
--- - Price must always be positive.
---
--- CREATE TABLE ...
-
-
-
--- =======================================================
--- ORDER TABLE
--- =======================================================
---
--- Represents orders placed by customers.
---
--- Required information:
--- - Unique identifier
--- - Reference to customer
--- - Creation date and time
--- - Total price
---
--- Requirements:
--- - Each order must belong to exactly one user.
--- - A user can have multiple orders.
--- - The relationship between User and Order must be implemented.
---
--- Note:
--- Avoid using reserved SQL keywords as table names.
--- Consider using a name such as "orders" or "customer_orders".
---
--- CREATE TABLE ...
-
-
-
--- =======================================================
--- ORDER DETAIL TABLE
--- =======================================================
---
--- Represents items inside an order.
---
--- Required information:
--- - Unique identifier
--- - Reference to an order
--- - Reference to a menu item
--- - Quantity
--- - Item price at purchase time
---
--- Requirements:
--- - Each detail record must belong to one order.
--- - Each detail record must reference one menu item.
--- - Quantity must always be greater than zero.
--- - Store the item's price at the moment of purchase.
---
--- CREATE TABLE ...
-
-
-
--- =======================================================
--- INITIAL MENU DATA
--- =======================================================
---
--- Insert at least 3 food or drink items.
---
--- Example categories:
--- - Pizza
--- - Burger
--- - Pasta
--- - Drink
---
--- INSERT INTO ...
-
-
-
--- =======================================================
--- OPTIONAL TEST DATA
--- =======================================================
---
--- You may insert sample users and orders for testing.
--- This section is optional.
---
--- INSERT INTO ...
-
-
-
--- =======================================================
--- VERIFICATION QUERIES
--- =======================================================
---
--- Uncomment these queries to verify your database.
---
--- SELECT * FROM ...;
--- SELECT * FROM ...;
--- SELECT * FROM ...;
--- SELECT * FROM ...;
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 028ca50..c12c681 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,6 +27,12 @@
${postgresql.version}
+
+ org.mindrot
+ jbcrypt
+ 0.4
+
+
\ No newline at end of file
diff --git a/src/main/java/dev/dao/MenuItemDao.java b/src/main/java/dev/dao/MenuItemDao.java
index 3bbebe9..1e9ea6c 100644
--- a/src/main/java/dev/dao/MenuItemDao.java
+++ b/src/main/java/dev/dao/MenuItemDao.java
@@ -1,25 +1,77 @@
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