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PaulMathonPaulMathon
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Add web services part
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‎Back/data/images/photo-profil/Lucie.jpg

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‎Back/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>PronoMaster</groupId>
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<artifactId>PronoMaster</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>war</packaging>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.mariadb.jdbc</groupId>
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<artifactId>mariadb-java-client</artifactId>
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<version>2.3.0</version>
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</dependency>
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<dependency>
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<groupId>de.mkammerer</groupId>
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<artifactId>argon2-jvm</artifactId>
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<version>2.2</version>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-databind</artifactId>
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<version>2.9.7</version>
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</dependency>
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<dependency>
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<groupId>org.glassfish.jersey.containers</groupId>
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<artifactId>jersey-container-servlet</artifactId>
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<version>2.27</version>
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</dependency>
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<dependency>
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<groupId>org.glassfish.jersey.inject</groupId>
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<artifactId>jersey-hk2</artifactId>
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<version>2.27</version>
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</dependency>
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<dependency>
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<groupId>org.glassfish.jersey.media</groupId>
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<artifactId>jersey-media-json-jackson</artifactId>
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<version>2.27</version>
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</dependency>
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</dependencies>
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<build>
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<finalName>webservices</finalName>
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</build>
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</project>

‎Back/src/main/java/controllers/ClassController.java

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package controllers;
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import entities.Class;
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import entities.Teacher;
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import managers.ClassLibrary;
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import managers.TeacherLibrary;
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import javax.ws.rs.*;
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import javax.ws.rs.core.MediaType;
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import java.io.IOException;
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import java.util.List;
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@Path("/class")
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public class ClassController {
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@GET
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@Path("/{teacher}")
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@Produces(MediaType.APPLICATION_JSON)
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public List<Class> getClassFromTeacher(@PathParam("teacher") String teacherLogin) throws IOException {
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Teacher teacher = TeacherLibrary.getInstance().getTeacherFromLogin(teacherLogin);
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System.out.println("#########"+teacher.getIdTeacher());
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return ClassLibrary.getInstance().getClassFromTeacher(teacher);
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}
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}

‎Back/src/main/java/controllers/StudentController.java

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package controllers;
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import entities.Student;
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import managers.StudentLibrary;
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import javax.ws.rs.*;
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import javax.ws.rs.core.MediaType;
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import java.io.IOException;
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import java.util.List;
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@Path("/students")
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public class StudentController {
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@GET
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@Path("/{idClass}")
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@Produces(MediaType.APPLICATION_JSON)
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public List<Student> listStudents(@PathParam("idClass") String idClassAsString) throws IOException {
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int idClass = Integer.parseInt(idClassAsString);
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return StudentLibrary.getInstance().listStudentsFromClass(idClass);
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}
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}

‎Back/src/main/java/controllers/TeacherController.java

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package controllers;
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import entities.Teacher;
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import managers.TeacherLibrary;
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import javax.ws.rs.*;
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import javax.ws.rs.core.MediaType;
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import java.io.IOException;
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import java.util.List;
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@Path("teacher")
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public class TeacherController {
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public List<Teacher> listTeachers() throws IOException {
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return TeacherLibrary.getInstance().listTeachers();
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}
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@GET
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@Path("/{teacher}")
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@Produces(MediaType.APPLICATION_JSON)
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public Teacher getTeacher(@PathParam("teacher") String teacherLogin) throws IOException {
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return TeacherLibrary.getInstance().getTeacherFromLogin(teacherLogin);
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}
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@POST
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@Produces(MediaType.APPLICATION_JSON)
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@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
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public Teacher validTeacher(@FormParam("login") String login, @FormParam("password") String password){
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Teacher teacher = TeacherLibrary.getInstance().getTeacherFromLogin(login);
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System.out.println("Login reçut : "+login);
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if (teacher!=null && teacher.getPassword().equals(password)) {
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return teacher;
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} else {
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return null;
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}
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}
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@POST
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@Path("/register")
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@Produces(MediaType.APPLICATION_JSON)
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@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
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public Teacher registerTeacher(@FormParam("email") String email, @FormParam("login") String login,
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@FormParam("password") String password){
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Teacher teacher = new Teacher( email, login, password);
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System.out.println("Login à indcrire : "+login);
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if (teacher!=null) {
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TeacherLibrary.getInstance().registerTeacher(teacher);
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return teacher;
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} else {
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return null;
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}
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}
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}

‎Back/src/main/java/dao/ClassDao.java

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package dao;
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import entities.Class;
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import entities.Teacher;
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import java.io.IOException;
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import java.util.List;
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public interface ClassDao {
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List<Class> getClassFromTeacher(Teacher teacher) throws IOException;
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}

‎Back/src/main/java/dao/StudentDao.java

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package dao;
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import entities.Student;
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import java.io.IOException;
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import java.sql.SQLException;
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import java.util.List;
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public interface StudentDao {
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List<Student> listStudentsFromClass(int idClass) throws IOException;
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}

‎Back/src/main/java/dao/TeacherDao.java

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package dao;
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import entities.Teacher;
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import exceptions.MatchAlreadyExistsException;
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import java.io.IOException;
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import java.util.List;
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public interface TeacherDao {
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Teacher getTeacherFromLogin(String login);
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List<Teacher> listTeachers() throws IOException;
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Teacher registerTeacher(Teacher teacher);
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}

‎Back/src/main/java/dao/impl/ClassDaoImpl.java

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package dao.impl;
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import dao.ClassDao;
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import entities.Class;
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import entities.Teacher;
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import java.io.IOException;
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import java.sql.*;
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import java.util.ArrayList;
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import java.util.List;
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import static dao.impl.DataSourceProvider.getDataSource;
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public class ClassDaoImpl implements ClassDao {
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@Override
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public List<Class> getClassFromTeacher(Teacher teacher) throws IOException {
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List<Class> listClass = new ArrayList<>();
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try (Connection connection = getDataSource().getConnection()) {
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String sqlQuery = "SELECT e.id_prof, e.id_classe, c.domaine, c.url_photo FROM enseigne e INNER JOIN classe c ON c.id_classe = e.id_classe WHERE e.id_prof=?;";
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try (PreparedStatement statement = connection.prepareStatement(sqlQuery)) {
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statement.setInt(1, teacher.getIdTeacher() );
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try (ResultSet results = statement.executeQuery()) {
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while (results.next()) {
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Class tmpClass = new Class(results.getInt("id_classe"),results.getString("domaine"),results.getString("url_photo"));
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listClass.add(tmpClass);
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}
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}
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}
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} catch (SQLException e) {
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System.err.println("Vous n\'êtes pas connecté à la base de données, vérifiez qu\'elle est bien allumée et rééssayez");
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}
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return listClass;
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}
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}
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‎Back/src/main/java/dao/impl/DataSourceProvider.java

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package dao.impl;
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import org.mariadb.jdbc.MariaDbDataSource;
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import javax.sql.DataSource;
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import java.io.IOException;
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import java.sql.SQLException;
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import java.util.Properties;
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public class DataSourceProvider {
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private static MariaDbDataSource dataSource;
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private static Properties properties = new Properties();
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public static DataSource getDataSource() throws SQLException{
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try {
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properties.load(DataSourceProvider.class.getResourceAsStream("/application.properties"));
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if (dataSource == null) {
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dataSource = new MariaDbDataSource();
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dataSource.setServerName(properties.getProperty("servername"));
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dataSource.setPort(Integer.parseInt(properties.getProperty("port")));
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dataSource.setDatabaseName(properties.getProperty("databasename"));
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dataSource.setUser(properties.getProperty("user"));
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if ( properties.getProperty("password").isEmpty()) {
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dataSource.setPassword("");
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} else {
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dataSource.setPassword(properties.getProperty("password"));}
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}
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}catch (IOException e) {
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System.err.println("Vous n\'êtes pas connecté à la base de données, vérifiez qu\'elle est bien allumée et rééssayez");
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}
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return dataSource;
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}
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}

‎Back/src/main/java/dao/impl/StudentDaoImpl.java

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package dao.impl;
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import java.io.IOException;
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import java.sql.*;
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import java.util.ArrayList;
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import java.util.List;
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import dao.StudentDao;
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import entities.Student;
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import static dao.impl.DataSourceProvider.getDataSource;
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public class StudentDaoImpl implements StudentDao {
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//récupérer la liste des utilisateurs avec en premier les admins
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public List<Student> listStudentsFromClass(int idClass) throws IOException {
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List<Student> listStudents = new ArrayList<>();
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try (Connection connection = getDataSource().getConnection()) {
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String sqlQuery = "SELECT * FROM `eleve` WHERE id_classe=?";
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try (PreparedStatement statement = connection.prepareStatement(sqlQuery)) {
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statement.setInt(1, idClass);
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try (ResultSet results = statement.executeQuery()) {
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while (results.next()) {
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Student student = new Student(results.getInt("id_eleve"),results.getString("nom"),results.getString("prenom"),results.getInt("id_classe"));
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listStudents.add(student);
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}
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}
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}
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} catch (SQLException e) {
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e.printStackTrace(); }
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return listStudents;
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}
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}
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