Managing the message with backend

Using DTO to change the way discussions and message are sent to the
client

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

@@ -2,6 +2,7 @@ package ovh.herisson.Clyde.Tables.Msg;
 
 import java.util.List;
 
+import jakarta.persistence.CascadeType;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
@@ -9,6 +10,7 @@ import jakarta.persistence.Id;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.JoinTable;
 import jakarta.persistence.ManyToMany;
+import jakarta.persistence.OneToMany;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
@@ -33,6 +35,9 @@ public class Discussion{
 	)
 	private List<User> members;
 
+	@OneToMany(mappedBy="discussion", orphanRemoval = true, cascade = CascadeType.ALL)
+	private List<Message> msgs;
+
 	public Discussion(String name){
 		this.name = name;
 	}
@@ -41,4 +46,9 @@ public class Discussion{
 		this.name = name;
 		this.members = List.of(user);
 	}
+
+	public void addMessage(Message msg){
+		msg.setDiscussion(this);
+		msgs.add(msg);
+	}
 }

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

@@ -0,0 +1,44 @@
+package ovh.herisson.Clyde.Tables.Msg;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToOne;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import ovh.herisson.Clyde.Tables.User;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+public class Message {
+	
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private long id;
+	private String content; 
+
+	@OneToOne
+	private User author;
+
+	public User getAuthor() {
+        return author;
+    }
+
+    @OneToOne
+	private Message response;
+
+	@ManyToOne(optional = false)
+	@JsonIgnore
+	private Discussion discussion;
+
+	//TODO: Attachment
+}