feat: Implement instructor-specific course management with dedicated controller, service, types, and validation.

Backend/src/types/CoursesInstructor.types.ts

@@ -1,7 +1,25 @@
 import { Course, Prisma, User } from '@prisma/client';
 
-export interface createCourses{
-    data: Prisma.CourseCreateInput;
+// Custom type for TSOA - avoiding complex Prisma types
+export interface CreateCourseInput {
+    category_id?: number;
+    title: {
+        th: string;
+        en: string;
+    };
+    slug: string;
+    description: {
+        th: string;
+        en: string;
+    };
+    thumbnail_url?: string;
+    price?: number;
+    is_free?: boolean;
+    have_certificate?: boolean;
+}
+
+export interface createCourses {
+    data: CreateCourseInput;
 }
 
 export interface createCourseResponse {
@@ -23,7 +41,7 @@ export interface GetMyCourseResponse {
     data: Course;
 }
 
-export interface UpdateMyCourse{
+export interface UpdateMyCourse {
     data: Prisma.CourseUpdateInput;
 }
 
@@ -43,7 +61,7 @@ export interface submitCourseResponse {
     message: string;
 }
 
-export interface submitCourse{
+export interface submitCourse {
     courseId: number;
     submitted_by: number;
 }
@@ -56,11 +74,10 @@ export interface submitCourseResponse {
 export interface listCourseinstructorResponse {
     code: number;
     message: string;
-    data: User[];
-    total: number;
+    data: Course[];
 }
 
-export interface addinstructorCourse{
+export interface addinstructorCourse {
     user_id: number;
     course_id: number;
 }
@@ -70,7 +87,7 @@ export interface addinstructorCourseResponse {
     message: string;
 }
 
-export interface removeinstructorCourse{
+export interface removeinstructorCourse {
     user_id: number;
     course_id: number;
 }
@@ -80,7 +97,7 @@ export interface removeinstructorCourseResponse {
     message: string;
 }
 
-export interface setprimaryCourseInstructor{
+export interface setprimaryCourseInstructor {
     user_id: number;
     course_id: number;
 }