feat: Implement instructor-specific course management and refactor course creation into dedicated modules.

Backend/prisma/schema.prisma

@@ -192,9 +192,9 @@ model CourseApproval {
   course_id       Int
   submitted_by    Int
   reviewed_by     Int?
-  action          ApprovalAction
+  action          ApprovalAction @default(SUBMITTED)
-  previous_status CourseStatus
+  previous_status CourseStatus?
-  new_status      CourseStatus
+  new_status      CourseStatus?
   comment         String?        @db.Text
   created_at      DateTime       @default(now())
 

Backend/src/controllers/CoursesController.ts

@@ -1,6 +1,6 @@
 import { Get, Body, Post, Route, Tags, SuccessResponse, Response, Delete, Controller, Security, Request, Put, Path } from 'tsoa';
 import { ValidationError } from '../middleware/errorHandler';
-import { createCourse, createCourseResponse, listCourseResponse } from '../types/courses.types';
+import { listCourseResponse } from '../types/courses.types';
 import { CoursesService } from '../services/courses.service';
 import { get } from 'http';
 

Backend/src/services/courses.service.ts

@@ -3,7 +3,7 @@ import { Prisma } from '@prisma/client';
 import { config } from '../config';
 import { logger } from '../config/logger';
 import jwt from 'jsonwebtoken';
-import { createCourse, createCourseResponse, listCourseResponse, getCourseResponse } from '../types/courses.types';
+import {listCourseResponse, getCourseResponse } from '../types/courses.types';
 import { UnauthorizedError, ValidationError, ForbiddenError } from '../middleware/errorHandler';
 
 export class CoursesService {

Backend/src/types/CoursesInstructor.types.ts

@@ -0,0 +1,91 @@
+import { Course, Prisma, User } from '@prisma/client';
+
+export interface createCourses{
+    data: Prisma.CourseCreateInput;
+}
+
+export interface createCourseResponse {
+    code: number;
+    message: string;
+    data: Course;
+}
+
+export interface ListMyCourseResponse {
+    code: number;
+    message: string;
+    data: Course[];
+    total: number;
+}
+
+export interface GetMyCourseResponse {
+    code: number;
+    message: string;
+    data: Course;
+}
+
+export interface UpdateMyCourse{
+    data: Prisma.CourseUpdateInput;
+}
+
+export interface UpdateMyCourseResponse {
+    code: number;
+    message: string;
+    data: Course;
+}
+
+export interface DeleteMyCourseResponse {
+    code: number;
+    message: string;
+}
+
+export interface submitCourseResponse {
+    code: number;
+    message: string;
+}
+
+export interface submitCourse{
+    courseId: number;
+    submitted_by: number;
+}
+
+export interface submitCourseResponse {
+    code: number;
+    message: string;
+}
+
+export interface listCourseinstructorResponse {
+    code: number;
+    message: string;
+    data: User[];
+    total: number;
+}
+
+export interface addinstructorCourse{
+    user_id: number;
+    course_id: number;
+}
+
+export interface addinstructorCourseResponse {
+    code: number;
+    message: string;
+}
+
+export interface removeinstructorCourse{
+    user_id: number;
+    course_id: number;
+}
+
+export interface removeinstructorCourseResponse {
+    code: number;
+    message: string;
+}
+
+export interface setprimaryCourseInstructor{
+    user_id: number;
+    course_id: number;
+}
+
+export interface setprimaryCourseInstructorResponse {
+    code: number;
+    message: string;
+}

Backend/src/types/courses.types.ts

@@ -1,16 +1,9 @@
 import { Course, Prisma } from '@prisma/client';
 
 // Use Prisma's CourseCreateInput for creating courses
-export interface createCourse {
-    data: Prisma.CourseCreateInput;
-}
 
 // Response type uses Prisma's Course model
-export interface createCourseResponse {
+
-    code: number;
-    message: string;
-    data: Course;
-}
 
 export interface listCourseResponse {
     code: number;

Backend/src/validators/CoursesInstructor.validator.ts

@@ -0,0 +1,6 @@
+import Joi from "joi";
+
+export const addInstructorCourseValidator = Joi.object({
+    user_id: Joi.number().required(),
+    course_id: Joi.number().required(),
+});