Minecraft-Phantom-Panel/Web/Phantom.Web/Shared/InstanceCommandInput.razor

@using Phantom.Web.Services.Instances
@using Phantom.Common.Data.Web.Users
@using Phantom.Common.Data.Replies
@inherits Phantom.Web.Components.PhantomComponent
@inject InstanceManager InstanceManager

<Form Model="form" OnSubmit="ExecuteCommand">
  <label for="command-input" class="form-label">Instance Name</label>
  <div class="input-group flex-nowrap">
    <span class="input-group-text" style="padding-top: 0.3rem;">/</span>
    <input id="command-input" class="form-control" type="text" placeholder="command" @bind="form.Command" @bind:event="oninput" disabled="@(Disabled || form.SubmitModel.IsSubmitting)" @ref="commandInputElement" />
    <FormButtonSubmit Label="Execute" class="btn btn-primary" disabled="@(Disabled || string.IsNullOrWhiteSpace(form.Command))" />
  </div>
  <FormSubmitError />
</Form>

@code {

  [Parameter, EditorRequired]
  public Guid AgentGuid { get; set; }
  
  [Parameter, EditorRequired]
  public Guid InstanceGuid { get; set; }

  [Parameter]
  public bool Disabled { get; set; }

  private readonly SendCommandFormModel form = new ();

  private sealed class SendCommandFormModel : FormModel {
    public string Command { get; set; } = string.Empty;
  }

  private ElementReference commandInputElement;

  private async Task ExecuteCommand(EditContext context) {
    await form.SubmitModel.StartSubmitting();

    var loggedInUserGuid = await GetUserGuid();
    if (loggedInUserGuid == null || !await CheckPermission(Permission.ControlInstances)) {
      form.SubmitModel.StopSubmitting("You do not have permission to execute commands.");
      return;
    }

    var result = await InstanceManager.SendCommandToInstance(loggedInUserGuid.Value, AgentGuid, InstanceGuid, form.Command, CancellationToken);
    if (result.Is(SendCommandToInstanceResult.Success)) {
      form.Command = string.Empty;
      form.SubmitModel.StopSubmitting();
    }
    else {
      form.SubmitModel.StopSubmitting(result.ToSentence(Messages.ToSentence));
    }

    await commandInputElement.FocusAsync(preventScroll: true);
  }

}