work-flow/src/Workflow.Api/Endpoints/WorkflowDefinition/UpdateEdgeEndpoint.cs

using FastEndpoints;
using MediatR;
using Workflow.Application.Features.WorkflowDefinitions.Commands;
using Workflow.Application.Features.WorkflowDefinitions.DTOs;
using Workflow.Domain.Enums;

namespace Workflow.Api.Endpoints.WorkflowDefinition;

public class UpdateEdgeEndpoint : Endpoint<UpdateEdgeRequest, WorkflowEdgeDto>
{
    private readonly IMediator _mediator;

    public UpdateEdgeEndpoint(IMediator mediator) => _mediator = mediator;

    public override void Configure()
    {
        Put("/workflow-definitions/{DefinitionId}/edges/{EdgeId}");
        Summary(s =>
        {
            s.Summary = "Update an edge in a workflow definition";
        });
    }

    public override async Task HandleAsync(UpdateEdgeRequest req, CancellationToken ct)
    {
        var command = new UpdateEdgeCommand(req.EdgeId, (EdgeType)req.EdgeType, req.Label, req.Condition, req.Order);
        var result = await _mediator.Send(command, ct);
        await Send.OkAsync(result, ct);
    }
}

public class UpdateEdgeRequest
{
    public Guid DefinitionId { get; set; }
    public Guid EdgeId { get; set; }
    public int EdgeType { get; set; }
    public string? Label { get; set; }
    public string? Condition { get; set; }
    public int Order { get; set; }
}