modification

pom.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
@@ -32,11 +32,7 @@
 			<scope>runtime</scope>
 			<optional>true</optional>
 		</dependency>
-		<dependency>
-			<groupId>com.h2database</groupId>
-			<artifactId>h2</artifactId>
-			<scope>runtime</scope>
-		</dependency>
+
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
@@ -53,8 +49,35 @@
 			<artifactId>itextpdf</artifactId>
 			<version>5.5.13.3</version>
 		</dependency>
+		<!-- https://mvnrepository.com/artifact/com.itextpdf/kernel -->
+		<dependency>
+			<groupId>com.itextpdf</groupId>
+			<artifactId>kernel</artifactId>
+			<version>8.0.4</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/com.itextpdf/layout -->
+		<dependency>
+			<groupId>com.itextpdf</groupId>
+			<artifactId>layout</artifactId>
+			<version>8.0.4</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.postgresql/postgresql -->
+		<dependency>
+			<groupId>org.postgresql</groupId>
+			<artifactId>postgresql</artifactId>
+			<version>42.7.3</version>
+		</dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<scope>runtime</scope>
+		</dependency>
 
-	</dependencies>
+    </dependencies>
 
 	<build>
 		<plugins>
@@ -73,4 +96,4 @@
 		</plugins>
 	</build>
 
-</project>
+</project>

src/main/java/com/allali/Stock/StockApplication.java

@@ -23,4 +23,6 @@ CommandLineRunner start(Initiation initiation){
 			//initiation.initTransition2();
 		};
 	}
-}
+
+	}
+

src/main/java/com/allali/Stock/config/SecurityConfiguration.java

@@ -0,0 +1,50 @@
+package com.allali.Stock.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
+import org.springframework.security.config.annotation.web.configurers.HeadersConfigurer;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
+
+import static org.springframework.security.config.Customizer.withDefaults;
+
+@Configuration
+public class SecurityConfiguration {
+
+    @Bean
+    public PasswordEncoder passwordEncoder(){
+        return new BCryptPasswordEncoder();
+    }
+
+    @Bean
+    public UserDetailsService userDetailsService(){
+        UserDetails user = User.builder()
+                .username("admin")
+                .password(passwordEncoder().encode("password"))
+                .roles("USER")
+                .build();
+        return new InMemoryUserDetailsManager(user);
+    }
+    @Bean
+    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+        http
+                .authorizeHttpRequests(authorize -> authorize
+                        .requestMatchers("/h2-console/**","/api/v1/**").permitAll() // Allow access to H2 console without authentication
+                        .anyRequest().authenticated()) // All other requests require authentication
+                .formLogin(withDefaults()) // Enable form-based login with default configuration
+                .httpBasic(withDefaults()) // Enable HTTP Basic authentication with default configuration
+                .csrf(AbstractHttpConfigurer::disable) // Disable CSRF protection for H2 console
+                .headers(headers -> headers.frameOptions(HeadersConfigurer.FrameOptionsConfig::sameOrigin)); // Disable frame options for H2 console
+
+        return http.build();
+    }
+
+
+}

src/main/java/com/allali/Stock/controllers/MessageController.java

@@ -0,0 +1,16 @@
+package com.allali.Stock.controllers;
+
+
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class MessageController {
+
+    @GetMapping("/ok")
+    public String getMessage() {
+        return "Hello, world!";
+    }
+}
+

src/main/java/com/allali/Stock/controllers/TransitionController.java

@@ -37,11 +37,13 @@ public ResponseEntity<Transition> addTransitionClient(@RequestBody Transition tr
 
     @GetMapping("/all")
     public List<Transition> getAllTransition() {
-        List<Transition> transitions = transitionService.findAll();
-        return transitions;
+        return transitionService.findAll();
     }
-    //@DeleteMapping("/delete/{id}")
+    @DeleteMapping("/{id}")
     public ResponseEntity<Void> deleteTransition(@PathVariable Long id) {
         transitionService.deleteTransition(id);
         return ResponseEntity.noContent().build();
-    }}
+    }
+
+
+}

src/main/java/com/allali/Stock/entitie/Article.java

@@ -18,13 +18,18 @@ public class Article {
     private String description ;
     private Double price ;
     private String brand ;
-    @ManyToOne
+
+    // Lazy loading for category
+    @ManyToOne(fetch = FetchType.LAZY)
     @JsonIgnore
     private Category category ;
-    @ManyToMany
+
+    // Lazy loading for list of fournisseurs
+    @ManyToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
     @JsonIgnore
     private List<Fournisseur> list = new ArrayList<>() ;
-    @ManyToOne
-    private Transition transition ;
 
+    // Lazy loading for transition
+    @ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
+    private Transition transition ;
 }

src/main/java/com/allali/Stock/entitie/Client.java

@@ -1,6 +1,7 @@
 package com.allali.Stock.entitie;
 
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
 import lombok.Data;
@@ -15,7 +16,7 @@
 @AllArgsConstructor @NoArgsConstructor
 
 public class Client extends Users {
-
+    @JsonIgnore
     @OneToMany(mappedBy = "client" , fetch = FetchType.LAZY,cascade = CascadeType.ALL)
     private List<Transition> transitionList = new ArrayList<>() ;
 }

src/main/java/com/allali/Stock/entitie/Transition.java

@@ -27,7 +27,7 @@ public class Transition {
     private Fournisseur fournisseur ;
     @OneToMany(mappedBy = "transition" , fetch = FetchType.LAZY ,cascade = CascadeType.ALL, orphanRemoval = true)
     @JsonIgnore
-    private List<Article> articleList = new ArrayList<>() ;
+    private List<Article> article = new ArrayList<>() ;
     @OneToMany(mappedBy = "transition" , fetch = FetchType.LAZY,cascade = CascadeType.ALL)
     @JsonIgnore
     private List<PrixAchat> prixAchats ;

src/main/java/com/allali/Stock/entitie/Users.java

@@ -24,8 +24,12 @@ public class Users {
     private String address ;
     private String phoneNumber ;
     private Date dateNaissance ;
-    @ManyToMany
+
+    // Lazy loading for list of roles
+    @ManyToMany(fetch = FetchType.LAZY)
     private List<Role> list = new ArrayList<>();
-    @ManyToMany
-    private List<Notification> notificationList = new ArrayList<>() ;
+
+    // Lazy loading for list of notifications
+    @ManyToMany(fetch = FetchType.LAZY)
+    private List<Notification> notificationList = new ArrayList<>();
 }

src/main/java/com/allali/Stock/service/Initiation.java

@@ -66,7 +66,7 @@ public void initTransition(){
                 transition.setStatus(TransactionStatus.COMPLETED);
                 transition.setTransitionType(TransitionType.ACHAT);
                 transition.setClient((Client) user);
-                transition.getArticleList().add(article);
+                transition.getArticle().add(article);
                 ((Client) user).getTransitionList().add(transition);
                 userRepository.save(user);
                 transitionRepository.save(transition);
@@ -75,15 +75,15 @@ public void initTransition(){
     }
     public void initTransition2(){
         userRepository.findAll().forEach(user -> {
-              if(user instanceof Fournisseur) {
+            if(user instanceof Fournisseur) {
                 Article article = articleRepository.findById(2L).orElse(null);
                 Transition transition1 = new Transition();
                 transition1.setTotalAmount(2004.5);
                 transition1.setTransactionDate(new Date());
                 transition1.setStatus(TransactionStatus.COMPLETED);
                 transition1.setTransitionType(TransitionType.ACHAT);
                 transition1.setFournisseur((Fournisseur)user);
-                transition1.getArticleList().add(article);
+                transition1.getArticle().add(article);
                 ((Fournisseur) user).getTransitionList().add(transition1);
                 article.setTransition(transition1);
                 articleRepository.save(article);
@@ -117,4 +117,4 @@ public void initClient(){
         });
     }
 
-}
+}

src/main/java/com/allali/Stock/service/transition/TransitionServiceImpl.java

@@ -8,6 +8,7 @@
 import com.allali.Stock.repositorie.UserRepository;
 import com.allali.Stock.service.article.ArticleService;
 import com.allali.Stock.service.users.UserService;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.AllArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -41,26 +42,23 @@ public Transition addTransitionClient(Transition transition, Long idClient, Long
         // Set transaction details in the transition entity
         transition.setTransactionDate(new Date());
         transition.setTotalAmount(article.getPrice());
-        client.getTransitionList().add(transition);
-        userRepository.save(client);
-        articleRepository.save(article);
 
-
-        // Set client and article in the transition entity
+        // Set the client and article in the transition entity
         transition.setClient(client);
-        transition.getArticleList().add(article);
-        Transition transition1 =transitionRepository.save(transition);
+        transition.getArticle().add(article);
 
-        client.getTransitionList().add(transition1);
-        article.setTransition(transition);
-        userRepository.save(client);
-        articleRepository.save(article);
+        // Add the transition to the client's transition list
+        client.getTransitionList().add(transition);
 
-        return transition1 ;
+        // Save the client, which cascades to save the transition as well
+        userRepository.save(client);
 
+        return transition;
     }
 
+
     @Override
+    @JsonIgnore
     public List<Transition> findAll() {
         return transitionRepository.findAll();
     }

src/main/java/com/allali/Stock/service/users/UserService.java

@@ -6,7 +6,7 @@
 
 import java.util.List;
 
-public interface UserService {
+public interface  UserService {
     public Fournisseur saveFournisseur(Fournisseur fournisseur);
 
     Users saveUser(Users users);

src/main/resources/application.properties

@@ -1,4 +1,4 @@
 spring.application.name=Stock
 spring.datasource.url=jdbc:h2:mem:Stock
 spring.h2.console.enabled=true
-server.port=2018
+server.port=2018