From 3da2712bdfafe5ec3905e4c7141c3dc016313dae Mon Sep 17 00:00:00 2001
From: Vincent Guillet <vincent.guillet@outlook.com>
Date: Tue, 20 May 2025 13:43:09 +0200
Subject: [PATCH] Add HibernateConfig class for database configuration and
 refactor App to use BigDecimal for Ad prices

---
 .../src/main/java/com/humanbooster/App.java   | 39 ++++++++++++---
 .../humanbooster/config/HibernateConfig.java  | 50 +++++++++++++++++++
 .../src/main/resources/hibernate.cfg.xml      |  2 +-
 3 files changed, 82 insertions(+), 9 deletions(-)
 create mode 100644 hibernate-project/src/main/java/com/humanbooster/config/HibernateConfig.java

diff --git a/hibernate-project/src/main/java/com/humanbooster/App.java b/hibernate-project/src/main/java/com/humanbooster/App.java
index 34bf0ae..6a4abbd 100644
--- a/hibernate-project/src/main/java/com/humanbooster/App.java
+++ b/hibernate-project/src/main/java/com/humanbooster/App.java
@@ -1,5 +1,6 @@
 package com.humanbooster;
 
+import com.humanbooster.config.HibernateConfig;
 import com.humanbooster.dao.AdDao;
 import com.humanbooster.dao.ArticleDao;
 import com.humanbooster.dao.UserDao;
@@ -15,6 +16,7 @@ import org.hibernate.boot.MetadataSources;
 import org.hibernate.boot.registry.StandardServiceRegistry;
 import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
 
+import java.math.BigDecimal;
 import java.time.Duration;
 import java.time.LocalDate;
 import java.time.temporal.ChronoUnit;
@@ -24,13 +26,18 @@ public class App {
     public static void main(String[] args) {
         System.out.println("Démarrage de l'application");
 
-        StandardServiceRegistry registry = new StandardServiceRegistryBuilder()
-                .configure()
-                .build();
+        SessionFactory sessionFactory;
 
-        Metadata metadata = new MetadataSources(registry).buildMetadata();
-        SessionFactory sessionFactory = metadata.buildSessionFactory();
-        System.out.println("Connexion réussie !");
+        if (HibernateConfig.LOCAL) sessionFactory = HibernateConfig.getSessionFactory();
+
+        else {
+            StandardServiceRegistry registry = new StandardServiceRegistryBuilder()
+                    .configure()
+                    .build();
+
+            Metadata metadata = new MetadataSources(registry).buildMetadata();
+            sessionFactory = metadata.buildSessionFactory();
+        }
 
         User user = new User("Bob", "bob@example.com", null);
 
@@ -39,7 +46,23 @@ public class App {
                 new Article("Article 2", "Contenu de l'article 2", LocalDate.now(), user, 0)
         ));
 
-        Ad ad = new Ad("Ad 1", "Contenu de l'annonce 1", LocalDate.now(), LocalDate.now().plusDays(7), "contact@example.com", 12);
+        List<Ad> ads = List.of(
+                (new Ad(
+                        "Ad 1",
+                        "Contenu de l'annonce 1",
+                        LocalDate.now(),
+                        LocalDate.now().plusDays(7),
+                        "contact@example.com",
+                        BigDecimal.valueOf(12))),
+                (new Ad(
+                        "Ad 2",
+                        "Contenu de l'annonce 2",
+                        LocalDate.now(),
+                        LocalDate.now().plusDays(10),
+                        "contact@example.com",
+                        BigDecimal.valueOf(6.7)))
+
+        );
 
         UserService userService = new UserService(new UserDao(sessionFactory));
         ArticleService articleService = new ArticleService(new ArticleDao(sessionFactory));
@@ -54,7 +77,7 @@ public class App {
                 }
         );
 
-        adService.createAd(ad);
+        ads.forEach(adService::createAd);
 
         sessionFactory.close();
         System.out.print("Fin du programme");
diff --git a/hibernate-project/src/main/java/com/humanbooster/config/HibernateConfig.java b/hibernate-project/src/main/java/com/humanbooster/config/HibernateConfig.java
new file mode 100644
index 0000000..c5900d2
--- /dev/null
+++ b/hibernate-project/src/main/java/com/humanbooster/config/HibernateConfig.java
@@ -0,0 +1,50 @@
+package com.humanbooster.config;
+
+import org.hibernate.SessionFactory;
+import org.hibernate.cfg.Configuration;
+import org.reflections.Reflections;
+
+import jakarta.persistence.Entity;
+
+public class HibernateConfig {
+    private static final SessionFactory sessionFactory;
+    public static final boolean LOCAL = true;
+    private static String url;
+    private static String username;
+    private static String password;
+
+
+    static {
+
+        if (LOCAL) {
+            url = "jdbc:mysql://127.0.0.1:3306/testdb";
+            username = "admin";
+            password = "admin";
+        } else {
+            url = "jdbc:mysql://mysql:3306/testdb?useSSL=false&amp;allowPublicKeyRetrieval=true";
+            username = "root";
+            password = "root";
+        }
+
+        Configuration config = new Configuration()
+                .setProperty("hibernate.connection.url", url)
+                .setProperty("hibernate.connection.username", username)
+                .setProperty("hibernate.connection.password", password)
+                .setProperty("hibernate.connection.driver_class", "com.mysql.cj.jdbc.Driver")
+                .setProperty("hibernate.hbm2ddl.auto", "update")
+                .setProperty("hibernate.show_sql", "false")
+                .setProperty("hibernate.format_sql", "true");
+
+        Reflections reflections = new Reflections("com.humanbooster.model");
+        for (Class<?> clazz : reflections.getTypesAnnotatedWith(Entity.class)) {
+            config.addAnnotatedClass(clazz);
+        }
+
+        sessionFactory = config.buildSessionFactory();
+    }
+
+    public static SessionFactory getSessionFactory() {
+        return sessionFactory;
+    }
+}
+
diff --git a/hibernate-project/src/main/resources/hibernate.cfg.xml b/hibernate-project/src/main/resources/hibernate.cfg.xml
index a1788a6..b23b31e 100644
--- a/hibernate-project/src/main/resources/hibernate.cfg.xml
+++ b/hibernate-project/src/main/resources/hibernate.cfg.xml
@@ -12,9 +12,9 @@
 
         <property name="hibernate.hbm2ddl.auto">update</property>
 
-
         <property name="hibernate.show_sql">false</property>
         <property name="hibernate.format_sql">true</property>
+
         <mapping class="com.humanbooster.model.User"/>
         <mapping class="com.humanbooster.model.Article"/>
         <mapping class="com.humanbooster.model.Ad"/>