feat: teacher invitation databank api verbinding aangemaakt, bug in data repo waar teacher invitation repo niet juist werd teruggegeven gefixt

backend/src/interfaces/teacher-invitation.ts

@@ -0,0 +1,25 @@
+import { TeacherInvitation } from "../entities/classes/teacher-invitation.entity";
+import { ClassDTO, mapToClassDTO } from "./classes";
+import { mapToTeacherDTO, TeacherDTO } from "./teacher";
+
+export interface TeacherInvitationDTO {
+    sender: string | TeacherDTO,
+    receiver: string | TeacherDTO,
+    class: string | ClassDTO,
+}
+
+export function mapToTeacherInvitationDTO(invitation: TeacherInvitation): TeacherInvitationDTO {
+    return {
+        sender: mapToTeacherDTO(invitation.sender),
+        receiver: mapToTeacherDTO(invitation.receiver),
+        class: mapToClassDTO(invitation.class),
+    };
+}
+
+export function mapToTeacherInvitationDTOIds(invitation: TeacherInvitation): TeacherInvitationDTO {
+    return {
+        sender: invitation.sender.username,
+        receiver: invitation.receiver.username,
+        class: invitation.class.classId,
+    };
+}

backend/src/interfaces/teacher.ts

@@ -0,0 +1,23 @@
+import { Teacher } from "../entities/users/teacher.entity";
+
+export interface TeacherDTO {
+    id: string;
+    username: string;
+    firstName: string;
+    lastName: string;
+    endpoints?: {
+        classes: string;
+        questions: string;
+        invitations: string;
+        groups: string;
+    };
+}
+
+export function mapToTeacherDTO(teacher: Teacher): TeacherDTO {
+    return {
+        id: teacher.username,
+        username: teacher.username,
+        firstName: teacher.firstName,
+        lastName: teacher.lastName,
+    };
+}