feat: Implement cuser management with role updates, activation, and deactivation.

Backend/src/services/usermanagement.service.ts

@@ -6,7 +6,6 @@ import jwt from 'jsonwebtoken';
 import {
     ListUsersResponse,
     GetUserResponse,
-    ActivateAccount,
     UpdateUser,
     UpdateRoleResponse,
     DeactivateAccountResponse,
@@ -58,6 +57,48 @@ export class UserManagementService {
         }
     }
 
+    async updateUserRole(id: number, role_id: number): Promise<UpdateRoleResponse> {
+        try {
+            const user = await prisma.user.findUnique({ where: { id } });
+            if (!user) throw new UnauthorizedError('User not found');
+
+            const role = await prisma.role.findUnique({ where: { id: role_id } });
+            if (!role) throw new UnauthorizedError('Role not found');
+
+            await prisma.user.update({
+                where: { id },
+                data: { role_id }
+            });
+
+            return {
+                code: 200,
+                message: 'User role updated successfully'
+            };
+        } catch (error) {
+            logger.error('Failed to update user role', { error });
+            throw error;
+        }
+    }
+
+    async deleteUser(id: number): Promise<DeactivateAccountResponse> {
+        try {
+            const user = await prisma.user.findUnique({ where: { id } });
+            if (!user) throw new UnauthorizedError('User not found');
+
+            await prisma.user.update({
+                where: { id },
+                data: { is_deactivated: true }
+            });
+            return {
+                code: 200,
+                message: 'User deactivated successfully'
+            };
+        } catch (error) {
+            logger.error('Failed to deactivate user', { error });
+            throw error;
+        }
+    }
+
     async deactivateAccount(token: string): Promise<DeactivateAccountResponse> {
         try {
             // Decode JWT token to get user ID