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•Created by sp00ktober on 3/15/2024 in #djs-questions

Modals in Node-Red using Discord JS

A little offtopic but its based on discord.js, i hope to find some support here anyways. In node red i try to show a modal with text input in response to a slash command. for this i took the example from the webpage and modified it to fit into node red, here is my code:

// Create the modal
const modal = new discordjsBuilders.ModalBuilder()
    .setCustomId('myModal')
    .setTitle('My Modal');

// Add components to modal

// Create the text input components
const favoriteColorInput = new discordjsBuilders.TextInputBuilder()
    .setCustomId('favoriteColorInput')
    // The label is the prompt the user sees for this input
    .setLabel("What's your favorite color?")
    // Short means only a single line of text
    .setStyle(discordApiTypesV9.TextInputStyle.Short);

const hobbiesInput = new discordjsBuilders.TextInputBuilder()
    .setCustomId('hobbiesInput')
    .setLabel("What's some of your favorite hobbies?")
    // Paragraph means multiple lines of text.
    .setStyle(discordApiTypesV9.TextInputStyle.Paragraph);

// An action row only holds one text input,
// so you need one action row per text input.
const firstActionRow = new discordjsBuilders.ActionRowBuilder().addComponents(favoriteColorInput);
const secondActionRow = new discordjsBuilders.ActionRowBuilder().addComponents(hobbiesInput);

// Add inputs to the modal
modal.addComponents(firstActionRow, secondActionRow);

// Show the modal to the user
msg.interactionObject.showModal(modal);

// Create the modal
const modal = new discordjsBuilders.ModalBuilder()
    .setCustomId('myModal')
    .setTitle('My Modal');

// Add components to modal

// Create the text input components
const favoriteColorInput = new discordjsBuilders.TextInputBuilder()
    .setCustomId('favoriteColorInput')
    // The label is the prompt the user sees for this input
    .setLabel("What's your favorite color?")
    // Short means only a single line of text
    .setStyle(discordApiTypesV9.TextInputStyle.Short);

const hobbiesInput = new discordjsBuilders.TextInputBuilder()
    .setCustomId('hobbiesInput')
    .setLabel("What's some of your favorite hobbies?")
    // Paragraph means multiple lines of text.
    .setStyle(discordApiTypesV9.TextInputStyle.Paragraph);

// An action row only holds one text input,
// so you need one action row per text input.
const firstActionRow = new discordjsBuilders.ActionRowBuilder().addComponents(favoriteColorInput);
const secondActionRow = new discordjsBuilders.ActionRowBuilder().addComponents(hobbiesInput);

// Add inputs to the modal
modal.addComponents(firstActionRow, secondActionRow);

// Show the modal to the user
msg.interactionObject.showModal(modal);

Last line produces this error: TypeError: Cannot read properties of undefined (reading 'rest') The msg.interactionObject is a copy of the interaction object from the discord.js examples callbacks. I modified the node red version to not send deferReply() too early (before my own flow code comes), basically here: https://github.com/Markoudstaal/node-red-contrib-discord-advanced/blob/6dedf30e2f88c616ac28992b733dbff37b23796a/discord/discordInteraction.js#L58 still i dont understand the error i get, ideas?

5 replies

CC#

•Created by sp00ktober on 3/24/2023 in #help

❔ nested generic interface throws cast exception when added to list

Im working on a mod project and for this i need to handle different updates which are represented by individual classes that all inherit from the same generic interfaces. To accomplish the handling i also wrote a generic interface which can then be implemented by a class that should handle one specific class. In the end i want to have a list of handlers over which i can iterate to process the updates. This is my interface signature

internal interface IComponentUpdateHandler<T, H, C> where T : IComponentMetaclass where H : IComponentUpdate<T> where C : IComponentData<T>

internal interface IComponentUpdateHandler<T, H, C> where T : IComponentMetaclass where H : IComponentUpdate<T> where C : IComponentData<T>

These are the interfaces for the update and data interfaces

public interface IComponentUpdate<C> where C : IComponentMetaclass
public interface IComponentData<C> where C : IComponentMetaclass

public interface IComponentUpdate<C> where C : IComponentMetaclass
public interface IComponentData<C> where C : IComponentMetaclass

This is the signature of one of my handler classes

internal class InventoryModificationState_Handler : IComponentUpdateHandler<InventoryModificationState, InventoryModificationState.Update, InventoryModificationState.Data>

internal class InventoryModificationState_Handler : IComponentUpdateHandler<InventoryModificationState, InventoryModificationState.Update, InventoryModificationState.Data>

These are the signatures of the update and data classes

public class Update : IComponentUpdate<InventoryModificationState>
public class Data : IComponentData<InventoryModificationState>

public class Update : IComponentUpdate<InventoryModificationState>
public class Data : IComponentData<InventoryModificationState>

This is the signature of the base class

public class InventoryModificationState : IComponentMetaclass, IComponentFactory

public class InventoryModificationState : IComponentMetaclass, IComponentFactory

This is how i create the List and fill it with values

 private List<IComponentUpdateHandler<IComponentMetaclass, IComponentUpdate<IComponentMetaclass>, IComponentData<IComponentMetaclass>>> handler { get; set; }
 private ComponentUpdateManager()
 {
     handler = new List<IComponentUpdateHandler<IComponentMetaclass, IComponentUpdate<IComponentMetaclass>, IComponentData<IComponentMetaclass>>>
     {
         new InventoryModificationState_Handler(),
         new PlayerCraftingInteractionState_Handler()
     };
 }

 private List<IComponentUpdateHandler<IComponentMetaclass, IComponentUpdate<IComponentMetaclass>, IComponentData<IComponentMetaclass>>> handler { get; set; }
 private ComponentUpdateManager()
 {
     handler = new List<IComponentUpdateHandler<IComponentMetaclass, IComponentUpdate<IComponentMetaclass>, IComponentData<IComponentMetaclass>>>
     {
         new InventoryModificationState_Handler(),
         new PlayerCraftingInteractionState_Handler()
     };
 }

Im happy for any input as im stuck on this for some hours now 😄

27 replies

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