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src/main/java/sample/data/jpa/SampleDataJpaApplication.java

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+/*
+ * Copyright 2012-2013 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sample.data.jpa;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SampleDataJpaApplication {
+
+	public static void main(String[] args) throws Exception {
+		SpringApplication.run(SampleDataJpaApplication.class, args);
+	}
+
+}

src/main/java/sample/data/jpa/domain/User.java

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+package sample.data.jpa.domain;
+// Imports ...
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import javax.validation.constraints.NotNull;
+
+@Entity
+@Table(name = "users")
+public class User {
+
+  // An autogenerated id (unique for each user in the db)
+  @Id
+  @GeneratedValue(strategy = GenerationType.AUTO)
+  private long id;
+  
+  @NotNull
+  private String email;
+  
+  @NotNull
+  private String name;
+
+  // Public methods
+  
+  public User() { }
+
+  public User(long id) { 
+    this.id = id;
+  }
+  
+  public User(String email, String name) {
+    this.email = email;
+    this.name = name;
+  }
+
+public long getId() {
+	return id;
+}
+
+public void setId(long id) {
+	this.id = id;
+}
+
+public String getEmail() {
+	return email;
+}
+
+public void setEmail(String email) {
+	this.email = email;
+}
+
+public String getName() {
+	return name;
+}
+
+public void setName(String name) {
+	this.name = name;
+}
+
+  // Getter and setter methods
+  // ...
+
+}

src/main/java/sample/data/jpa/metier/Choix.java

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+package sample.data.jpa.metier;
+
+import java.util.List;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.PrimaryKeyJoinColumn;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+@PrimaryKeyJoinColumn(name = "Choix_Id")
+public class Choix extends Reponse{
+    List<String> choix;
+
+    @Override
+    public String valHTML(){
+        String res = "";
+        
+        for (String val : this.choix) {
+            res+=val+"<br/>";
+        }
+        return res;
+    }
+}

src/main/java/sample/data/jpa/metier/Question.java

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+package sample.data.jpa.metier;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.io.Serializable;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+public class Question implements Serializable {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id;
+    private String question;
+
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name ="bonne_reponse", referencedColumnName = "id")
+    private Reponse reponse;
+
+    @ManyToOne
+    @JoinColumn(name="id_quizz")
+    private Quizz quizz;
+}

src/main/java/sample/data/jpa/metier/Quizz.java

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+package sample.data.jpa.metier;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+public class Quizz implements Serializable {
+    @Id
+    @GeneratedValue
+    private int id;
+
+    @ManyToOne
+    private Session session;
+
+    @ManyToOne
+    @JoinColumn(name="id_utilisateur")
+    private Utilisateur utilisateur;
+
+    @OneToMany(mappedBy = "quizz")
+    private List<Question> questions=new ArrayList<Question>();
+}

src/main/java/sample/data/jpa/metier/Reponse.java

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+package sample.data.jpa.metier;
+
+import java.io.Serializable;
+import java.util.List;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+@Inheritance(strategy=InheritanceType.JOINED)
+@DiscriminatorColumn(name="Type_reponse")
+@DiscriminatorValue("Reponse")
+public abstract class Reponse implements Serializable {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private int id;
+
+    @OneToOne
+    private Question question;
+    public List<String> reponses;
+
+    public String valHTML(){
+        return "";
+    }
+}

src/main/java/sample/data/jpa/metier/ReponseCourte.java

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+package sample.data.jpa.metier;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.PrimaryKeyJoinColumn;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+@PrimaryKeyJoinColumn(name = "RC_Id")
+public class ReponseCourte extends Reponse{
+    String value;
+
+    @Override
+    public String valHTML(){
+        return "INPUT";
+    }
+}

src/main/java/sample/data/jpa/metier/Session.java

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+package sample.data.jpa.metier;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+public class Session implements Serializable {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id;
+
+    @Column(unique=true)
+    private int codePIN;
+
+    @OneToMany(mappedBy="session")
+    private List<Quizz> quizzs = new ArrayList<>();
+
+    @ManyToMany(mappedBy = "session")
+    private List<Utilisateur> utilisateurs = new ArrayList<>();
+    private String theme;
+}

src/main/java/sample/data/jpa/metier/Utilisateur.java

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+package sample.data.jpa.metier;
+
+import jakarta.persistence.*;
+import lombok.*;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+public class Utilisateur implements Serializable {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int id;
+    private String name;
+
+    @Column(unique=true)
+    private String email;
+    private String password;
+
+    @ManyToMany
+    @JoinTable(
+            name="utilisateur_session",
+            joinColumns = @JoinColumn(name="utilisateur_id"),
+            inverseJoinColumns = @JoinColumn(name = "session_id")
+    )
+    private List<Session> session= new ArrayList<>();;
+
+    @OneToMany(mappedBy = "utilisateur")
+    private List<Quizz> quizzs;
+}

src/main/java/sample/data/jpa/service/QuestionDao.java

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+package sample.data.jpa.service;
+
+public interface QuestionDao {
+}

src/main/java/sample/data/jpa/service/QuizzDao.java

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+package sample.data.jpa.service;
+
+public interface QuizzDao {
+}

src/main/java/sample/data/jpa/service/ReponseDao.java

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+package sample.data.jpa.service;
+
+public interface ReponseDao {
+}

src/main/java/sample/data/jpa/service/SessionDao.java

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+package sample.data.jpa.service;
+
+public interface SessionDao {
+}

src/main/java/sample/data/jpa/service/UserDao.java

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+package sample.data.jpa.service;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.transaction.annotation.Transactional;
+
+import sample.data.jpa.domain.User;
+
+// Imports ...
+
+@Transactional
+public interface UserDao extends JpaRepository<User, Long> {
+
+  /**
+   * This method will find an User instance in the database by its email.
+   * Note that this method is not implemented and its working code will be
+   * automagically generated from its signature by Spring Data JPA.
+   */
+  public User findByEmail(String email);
+
+}

src/main/java/sample/data/jpa/service/UtilisateurDao.java

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+package sample.data.jpa.service;
+
+public interface UtilisateurDao {
+}

src/main/java/sample/data/jpa/web/QuestionController.java

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+package sample.data.jpa.web;
+
+@Controller
+public class QuestionController {
+
+}

src/main/java/sample/data/jpa/web/QuizzController.java

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+package sample.data.jpa.web;
+
+@Controller
+public class QuizzController {
+
+}

src/main/java/sample/data/jpa/web/ReponseController.java

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+package sample.data.jpa.web;
+
+@Controller
+public class ReponseController {
+
+}

src/main/java/sample/data/jpa/web/SessionController.java

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+package sample.data.jpa.web;
+
+@Controller
+public class SessionController {
+
+}

src/main/java/sample/data/jpa/web/UserController.java

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+package sample.data.jpa.web;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import sample.data.jpa.domain.User;
+import sample.data.jpa.service.UserDao;
+
+@Controller
+public class UserController {
+
+  /**
+   * GET /create  --> Create a new user and save it in the database.
+   */
+  @RequestMapping("/create")
+  @ResponseBody
+  public String create(String email, String name) {
+    String userId = "";
+    try {
+      User user = new User(email, name);
+      userDao.save(user);
+      userId = String.valueOf(user.getId());
+    }
+    catch (Exception ex) {
+      return "Error creating the user: " + ex.toString();
+    }
+    return "User succesfully created with id = " + userId;
+  }
+  
+  /**
+   * GET /delete  --> Delete the user having the passed id.
+   */
+  @RequestMapping("/delete")
+  @ResponseBody
+  public String delete(long id) {
+    try {
+      User user = new User(id);
+      userDao.delete(user);
+    }
+    catch (Exception ex) {
+      return "Error deleting the user:" + ex.toString();
+    }
+    return "User succesfully deleted!";
+  }
+  
+  /**
+   * GET /get-by-email  --> Return the id for the user having the passed
+   * email.
+   */
+  @RequestMapping("/get-by-email/{email}")
+  @ResponseBody
+  public String getByEmail(@PathVariable("email") String email) {
+    String userId = "";
+    try {
+      User user = userDao.findByEmail(email);
+      userId = String.valueOf(user.getId());
+    }
+    catch (Exception ex) {
+      return "User not found";
+    }
+    return "The user id is: " + userId;
+  }
+  
+  /**
+   * GET /update  --> Update the email and the name for the user in the 
+   * database having the passed id.
+   */
+  @RequestMapping("/update")
+  @ResponseBody
+  public String updateUser(long id, String email, String name) {
+    try {
+      User user = userDao.findById(id).get();
+      user.setEmail(email);
+      user.setName(name);
+      userDao.save(user);
+    }
+    catch (Exception ex) {
+      return "Error updating the user: " + ex.toString();
+    }
+    return "User succesfully updated!";
+  }
+
+  // Private fields
+
+  @Autowired
+  private UserDao userDao;
+  
+}

src/main/java/sample/data/jpa/web/UtilisateurController.java

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+package sample.data.jpa.web;
+
+@Controller
+public class UtilisateurController {
+
+}