feat: enhance GraphQL schemas and service logic

- Added support for creating relation inputs in PrismaCrudGenerator for object types.
- Implemented unauthorized access checks in OrderSchema to ensure user authentication.
- Added logic to prevent duplicate service registrations for users in OrderSchema.
- Updated PayosService to change order status from IN_PROGRESS to WAITING_QUIZ.
- Introduced a new mutation for creating multiple personal milestones in PersonalMilestoneSchema with necessary validation.
- Enhanced QuizSchema to update schedule status to WAITING_INTERVIEW upon quiz attempt creation.

These changes improve the robustness of the GraphQL API by adding necessary validations, enhancing user experience, and ensuring proper state management across various schemas.

src/Order/order.schema.ts

@@ -187,6 +187,9 @@ export class OrderSchema extends PothosSchema {
           if (ctx.isSubscription) {
             throw new Error('Subscription is not allowed')
           }
+          if (!ctx.http.me) {
+            throw new Error('Unauthorized')
+          }
           if (!args.data.service.connect?.id) {
             throw new Error('Service not found')
           }
@@ -197,6 +200,24 @@ export class OrderSchema extends PothosSchema {
           if (!service) {
             throw new Error('Service not found')
           }
+          // check if user has already registered for this service
+          const userService = await this.prisma.schedule.findFirst({
+            where: {
+              AND: [
+                {
+                  customerId: ctx.http.me?.id,
+                },
+                {
+                  managedService: {
+                    serviceId: service.id,
+                  },
+                },
+              ],
+            },
+          })
+          if (userService) {
+            throw new Error('User has already registered for this service')
+          }
           // check if input schedule has order id then throw error
           const schedule = await this.prisma.schedule.findUnique({
             where: { id: args.data.schedule.connect?.id ?? '' },