feat: question-teacher route

backend/src/interfaces/question.ts

@@ -0,0 +1,41 @@
+import {Question} from "../entities/questions/question.entity";
+import {Enum, PrimaryKey} from "@mikro-orm/core";
+import {Language} from "../entities/content/language";
+
+export interface QuestionDTO {
+    learningObjectHruid: string;
+    learningObjectLanguage: string;
+    learningObjectVersion: string;
+    sequenceNumber: number;
+    authorUsername: string;
+    timestamp: string;
+    content: string;
+    endpoints?: {
+        classes: string;
+        questions: string;
+        invitations: string;
+        groups: string;
+    };
+}
+
+/**
+ * Convert a Question entity to a DTO format.
+ */
+export function mapToQuestionDTO(question: Question): QuestionDTO {
+    return {
+        learningObjectHruid: question.learningObjectHruid,
+        learningObjectLanguage: question.learningObjectLanguage,
+        learningObjectVersion: question.learningObjectVersion,
+        sequenceNumber: question.sequenceNumber,
+        authorUsername: question.author.username,
+        timestamp: question.timestamp.toISOString(),
+        content: question.content,
+    };
+}
+
+export interface QuestionId {
+    learningObjectHruid: string,
+    learningObjectLanguage: Language,
+    learningObjectVersion: string,
+    sequenceNumber: number
+}