adding Hateos on the Teacher part

WebService/pom.xml

@@ -26,6 +26,10 @@
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-hateoas</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>

WebService/src/main/java/SAE/ApiREST/WebService/controller/TeacherController.java

@@ -4,7 +4,10 @@ import SAE.ApiREST.WebService.exception.TeacherAdvice;
 import SAE.ApiREST.WebService.exception.TeacherException;
 import SAE.ApiREST.WebService.model.Teacher;
 import SAE.ApiREST.WebService.service.ITeacherService;
+import jakarta.persistence.Entity;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.hateoas.CollectionModel;
+import org.springframework.hateoas.EntityModel;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.stereotype.Controller;
@@ -15,7 +18,9 @@ import java.awt.*;
 import java.util.ArrayList;
 import java.util.List;
 
-//Todo() Response = Type de retour pour toutes les méthodes qui ont void
+import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.linkTo;
+import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.methodOn;
+
 @Controller
 @RequestMapping("/ProfWebService")
 public class TeacherController {
@@ -29,37 +34,48 @@ public class TeacherController {
 
     @GetMapping(value = "/all", produces = MediaType.APPLICATION_JSON_VALUE)
     @ResponseStatus(HttpStatus.OK)
-    public @ResponseBody List<Teacher> getAllTeacher(){
-        return iTeacherServ.getAllTeacher();
+    public @ResponseBody CollectionModel<Teacher> getAllTeacher(){
+        return CollectionModel.of(
+                iTeacherServ.getAllTeacher(),
+                linkTo(methodOn(TeacherController.class).getAllTeacher()).withSelfRel());
     }
     @PostMapping(value = "addTeacher",produces = MediaType.APPLICATION_JSON_VALUE, consumes = MediaType.APPLICATION_JSON_VALUE)
     @ResponseStatus(HttpStatus.CREATED)
-    public @ResponseBody Teacher createTeacher( @RequestBody Teacher teach){
-        return teach;
+    public @ResponseBody EntityModel<Teacher> createTeacher( @RequestBody Teacher teach){
+        
+        return EntityModel.of(teach,
+                linkTo(methodOn(TeacherController.class).createTeacher(teach)).withSelfRel(),
+                linkTo(methodOn(TeacherController.class).getAllTeacher()).withRel("all"));
     }
     @GetMapping(value = "/getid/{id}")
-    public @ResponseBody Teacher getTeachById(@PathVariable("id") Integer id){
+    public @ResponseBody EntityModel<Teacher> getTeachById(@PathVariable("id") Integer id){
         Teacher tt = iTeacherServ.getTeacherById(id);
         if( tt == null ){
             throw new TeacherException("No teacher found for this id !");
         }
-        return tt;
+        return EntityModel.of(tt,
+                linkTo(methodOn(TeacherController.class).getTeachById(id)).withSelfRel(),
+                linkTo(methodOn(TeacherController.class).getAllTeacher()).withRel("all"));
     }
     @GetMapping(value = "/getusername/{username}")
-    public @ResponseBody Teacher getTeachByUsername(@PathVariable("username") String username) {
+    public @ResponseBody EntityModel<Teacher> getTeachByUsername(@PathVariable("username") String username) {
         Teacher tt = iTeacherServ.getTeacherByUsername(username);
         if (tt == null) {
             throw new TeacherException("No teacher found for this username");
         }
-        return tt;
+        return EntityModel.of(tt,
+                linkTo(methodOn(TeacherController.class).getTeachByUsername(username)).withSelfRel(),
+                linkTo(methodOn(TeacherController.class).getAllTeacher()).withRel("all"));
     }
     @GetMapping( value = "/getmail/{mail}" )
-    public @ResponseBody Teacher getTeachByMail(@PathVariable("mail") String mail) {
+    public @ResponseBody EntityModel<Teacher> getTeachByMail(@PathVariable("mail") String mail) {
         Teacher tt = iTeacherServ.getTeacherByMail(mail);
         if( tt == null ) {
             throw new TeacherException("No teacher found for this mail");
         }
-        return  tt;
+        return EntityModel.of(tt,
+                linkTo(methodOn(TeacherController.class).getTeachByMail(mail)).withSelfRel(),
+                linkTo(methodOn(TeacherController.class).getAllTeacher()).withRel("all"));
     }
     @GetMapping( value = "/getdate/{date}" )
     public @ResponseBody Teacher getTeachByDate(@PathVariable("date") String date) {
@@ -70,15 +86,19 @@ public class TeacherController {
         return  tt;
     }
     @PutMapping( value = "/modify/{username}" )
-    public @ResponseBody Teacher modifyTeachUsername(@PathVariable("username") String username, Teacher tt){
+    public @ResponseBody EntityModel<Teacher> modifyTeachUsername(@PathVariable("username") String username, Teacher tt){
         if( username == "" ){
             throw new TeacherException("Username provided for modification is empty");
         }
         iTeacherServ.modifyUsername(tt,username);
-        return tt;
+        return EntityModel.of(tt,
+                linkTo(methodOn(TeacherController.class).modifyTeachUsername(username,tt)).withSelfRel(),
+                linkTo(methodOn(TeacherController.class).getAllTeacher()).withRel("all"));
     }
     @DeleteMapping( value = "delete")
-    public @ResponseBody List<Teacher> deleteTeacher(Integer id){
-        return iTeacherServ.deleteTeacher(id);
+    public @ResponseBody EntityModel<List<Teacher>> deleteTeacher(Integer id){
+        return EntityModel.of(iTeacherServ.deleteTeacher(id),
+                linkTo(methodOn(TeacherController.class).deleteTeacher(id)).withSelfRel(),
+                linkTo(methodOn(TeacherController.class).getAllTeacher()).withRel("all"));
     }
 }

WebService/src/main/java/SAE/ApiREST/WebService/service/TeacherServiceStub.java

@@ -40,6 +40,7 @@ public class TeacherServiceStub implements ITeacherService {
         return new Teacher(20, "24-12-2021", mail, "tructruc");
     }
 
+    //Todo() Before date, After date, between date
     @Override
     public Teacher getTeacherByDate(String date) {
         return new Teacher(5, date, "doudouda@gmail.com", "username");