feat: Add API endpoint to create user meal plan

src/modules/users/modules/user-registered-meal-plans/controller/user-registered-meal-plans.controller.ts

@@ -9,6 +9,8 @@ import { GetMyMealPlanSerialization } from "@common/serializers/user-registered-
 import { ControllerMiddleware } from "@lib/decorators/controller-middleware.decorator";
 import { UsersGuardMiddleware } from "modules/users/common/guards/users.guard";
 import { SwaggerGet } from "@lib/decorators/swagger-routes.decorator";
+import { SwaggerPost } from "@lib/decorators/swagger-routes.decorator";
+import { SwaggerRequest } from "@lib/decorators/swagger-request.decorator";
 import { SwaggerResponse } from "@lib/decorators/swagger-response.decorator";
 import { SwaggerSummary } from "@lib/decorators/swagger-summary.decorator";
 import { SwaggerDescription } from "@lib/decorators/swagger-description.decorator";
@@ -23,6 +25,10 @@ export class UsersRegisteredMealPlansController extends BaseController {
 
   setRoutes(): void {
     this.router.get("/", asyncHandler(this.get));
+    this.router.post(
+      "/",
+      asyncHandler(this.create)
+    );
   }
 
   @SwaggerGet()
@@ -46,4 +52,21 @@ export class UsersRegisteredMealPlansController extends BaseController {
       res
     );
   };
+
+
+  @SwaggerPost()
+  @SwaggerResponse(GetMyMealPlanSerialization)
+  @SwaggerRequest({ mealPlan: "string" })
+  @SwaggerSummary("create my meal plan")
+  @SwaggerDescription("Create a new meal plan for the user")
+  create = async (req: userRequest, res: Response) => {
+    const data = await this.userRegisteredMealPlansService.createForUser(req.body, req.jwtPayload.id);
+    return JsonResponse.success(
+      {
+        status: 201,
+        data: serialize(data.toJSON(), GetMyMealPlanSerialization),
+      },
+      res
+    );
+  };
 }

src/modules/users/modules/user-registered-meal-plans/services/user-registered-meal-plans.service.ts

@@ -1,10 +1,35 @@
 import { UserRegisteredMealPlan } from "@common/models/user-registered-meal-plan.model";
 import { CrudService } from "@lib/services/crud.service";
-import { IUpdateUserRegisteredMealPlan } from "../validations/update-user-registered-meal-plan.validation";
+import { MealPlansService } from "../../meal-plans/services/meal-plans.service";
 import { HttpError } from "@lib/error-handling/http-error";
 
 
 export class UserRegisteredMealPlansService extends CrudService(UserRegisteredMealPlan) {
+  private mealPlansService: MealPlansService = new MealPlansService();
+
+  async unregisterCurrentMealPlan(userId: string) {
+    return await this.updateMany({
+      user: userId,
+      isActive: true,
+    }, {
+      isActive: false,
+    });
+  }
+
+  async createForUser(data: any, userId: string) {
+    const mealPlan = await this.mealPlansService.findOneOrFail({
+      _id: data.mealPlan,
+    });
+
+    await this.unregisterCurrentMealPlan(userId);
+    
+    return await this.create({
+      ...data,
+      user: userId,
+      days: mealPlan.days,
+      isActive: true,
+    });
+  }
     async updateForUser(mealPlanProps: {urwId: string; dayNumber: number}, data: any, userId: string) {
         // find workout
         const mealPlan = await this.findOneOrFail({