initial commit

Features/Setting/SystemUser/Cqrs/ChangeRoleHandler.cs

@@ -0,0 +1,47 @@
+using Indotalent.Data.Entities;
+using MediatR;
+using Microsoft.AspNetCore.Identity;
+
+namespace Indotalent.Features.Setting.SystemUser.Cqrs;
+
+public class ChangeRoleResponse
+{
+    public bool IsSuccess { get; set; }
+    public string Message { get; set; } = string.Empty;
+}
+
+public class ChangeRoleRequest
+{
+    public string UserId { get; set; } = string.Empty;
+    public List<string> Roles { get; set; } = new();
+}
+
+public record ChangeRoleCommand(ChangeRoleRequest Data) : IRequest<ChangeRoleResponse>;
+
+public class ChangeRoleHandler : IRequestHandler<ChangeRoleCommand, ChangeRoleResponse>
+{
+    private readonly UserManager<ApplicationUser> _userManager;
+
+    public ChangeRoleHandler(UserManager<ApplicationUser> userManager)
+    {
+        _userManager = userManager;
+    }
+
+    public async Task<ChangeRoleResponse> Handle(ChangeRoleCommand request, CancellationToken cancellationToken)
+    {
+        var user = await _userManager.FindByIdAsync(request.Data.UserId);
+        if (user == null) return new ChangeRoleResponse { IsSuccess = false, Message = "User not found" };
+
+        var currentRoles = await _userManager.GetRolesAsync(user);
+
+        var removeResult = await _userManager.RemoveFromRolesAsync(user, currentRoles);
+        if (!removeResult.Succeeded) return new ChangeRoleResponse { IsSuccess = false, Message = "Remove role fail" };
+
+        var addResult = await _userManager.AddToRolesAsync(user, request.Data.Roles);
+        return new ChangeRoleResponse
+        {
+            IsSuccess = true,
+            Message = "Roles updated successfully"
+        };
+    }
+}