Adding the discussion architectures and creating new discussions

backend/src/main/java/ovh/herisson/Clyde/EndPoints/Msg/MessagesController.java

@@ -0,0 +1,49 @@
+package ovh.herisson.Clyde.EndPoints.Msg;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RestController;
+
+import lombok.AllArgsConstructor;
+import ovh.herisson.Clyde.Responses.UnauthorizedResponse;
+import ovh.herisson.Clyde.Services.AuthenticatorService;
+import ovh.herisson.Clyde.Services.Msg.DiscussionService;
+import ovh.herisson.Clyde.Tables.User;
+import ovh.herisson.Clyde.Tables.Msg.Discussion;
+
+@RestController
+@CrossOrigin(originPatterns = "*", allowCredentials = "true")
+@AllArgsConstructor
+public class MessagesController {
+
+	private AuthenticatorService authServ;
+	private DiscussionService discServ;
+
+	@GetMapping("/discussions")
+	public ResponseEntity<Iterable<Discussion>> getDiscussions(@RequestHeader("Authorization") String token ){
+		User user = authServ.getUserFromToken(token);
+		if(user == null){
+			return new UnauthorizedResponse<>(null);
+		}
+
+		Iterable<Discussion> mock = discServ.getOwned(authServ.getUserFromToken(token));
+
+		return new ResponseEntity<>(mock, HttpStatus.OK); 
+	} 
+
+	@GetMapping("/discussion/{id}")
+	public ResponseEntity<Discussion> getDiscussion(@RequestHeader("Authorization") String token, @PathVariable long id){
+		return null; // TODO
+	} 
+
+	@PostMapping("/discussion")
+	public ResponseEntity<Discussion> createDiscussion(@RequestHeader("Authorization") String token, @RequestBody Discussion data){
+		return new ResponseEntity<>(discServ.create(data.getName(), authServ.getUserFromToken(token)), HttpStatus.OK);
+	}
+}

backend/src/main/java/ovh/herisson/Clyde/Repositories/Msg/DiscussionRepository.java

@@ -0,0 +1,14 @@
+package ovh.herisson.Clyde.Repositories.Msg;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.CrudRepository;
+
+import ovh.herisson.Clyde.Tables.Msg.Discussion;
+
+public interface DiscussionRepository extends CrudRepository<Discussion, Long>{
+
+	@Query("SELECT d FROM Discussion d INNER JOIN FETCH d.members dm WHERE dm.id = ?1")
+	List<Discussion> findByMembership(long userid);
+}

backend/src/main/java/ovh/herisson/Clyde/Services/Msg/DiscussionService.java

@@ -0,0 +1,24 @@
+package ovh.herisson.Clyde.Services.Msg;
+
+import org.springframework.stereotype.Service;
+
+import lombok.AllArgsConstructor;
+import ovh.herisson.Clyde.Repositories.Msg.DiscussionRepository;
+import ovh.herisson.Clyde.Tables.User;
+import ovh.herisson.Clyde.Tables.Msg.Discussion;
+
+@Service
+@AllArgsConstructor
+public class DiscussionService {
+
+	private DiscussionRepository discRepo;
+
+	public Discussion create(String name, User author){
+		return discRepo.save(new Discussion(name, author));
+	}
+
+	public Iterable<Discussion> getOwned(User author){
+		return discRepo.findByMembership(author.getRegNo());
+	}
+
+}

backend/src/main/java/ovh/herisson/Clyde/Tables/Msg/Discussion.java

@@ -0,0 +1,44 @@
+package ovh.herisson.Clyde.Tables.Msg;
+
+import java.util.List;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.JoinTable;
+import jakarta.persistence.ManyToMany;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import ovh.herisson.Clyde.Tables.User;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor
+public class Discussion{
+
+	@Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+	private long id;
+	private String name;
+
+    @ManyToMany
+	@JoinTable(
+		name = "discussion_members",
+		joinColumns = @JoinColumn(name = "discussion_id"),
+		inverseJoinColumns = @JoinColumn(name = "user_id")
+	)
+	private List<User> members;
+
+	public Discussion(String name){
+		this.name = name;
+	}
+
+	public Discussion(String name, User user){
+		this.name = name;
+		this.members = List.of(user);
+	}
+}

backend/src/main/java/ovh/herisson/Clyde/Tables/User.java

@@ -1,7 +1,10 @@
 package ovh.herisson.Clyde.Tables;
 
 import jakarta.persistence.*;
+import ovh.herisson.Clyde.Tables.Msg.Discussion;
+
 import java.util.Date;
+import java.util.List;
 
 
 @Entity
@@ -20,6 +23,10 @@ public class User {
     private String profilePictureUrl;
     private ovh.herisson.Clyde.Tables.Role role;
     private String password;
+
+	@ManyToMany( mappedBy = "members" )
+	private List<Discussion> discussions;
+
     public User(String lastName, String firstName, String email, String address,
                 String country, Date birthDate, String profilePictureUrl, Role role, String password)
     {