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use super::{CreateForumThread, ForumThread};
use crate::{
Error,
request::{Nullable, TryIntoRequest, attachment::PartialAttachment},
response::{Response, ResponseFuture},
};
use serde::Serialize;
use std::{future::IntoFuture, mem};
use twilight_model::{
channel::message::{AllowedMentions, Component, Embed, MessageFlags},
http::attachment::Attachment,
id::{Id, marker::StickerMarker},
};
use twilight_validate::message::{
MessageValidationError, attachment_filename as validate_attachment_filename,
components as validate_components, content as validate_content, embeds as validate_embeds,
sticker_ids as validate_sticker_ids,
};
/// Contents of the first message in the new forum thread.
#[derive(Serialize)]
pub(super) struct CreateForumThreadMessageFields<'a> {
#[serde(skip_serializing_if = "Option::is_none")]
pub(super) allowed_mentions: Option<Nullable<&'a AllowedMentions>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub(super) attachments: Option<Vec<PartialAttachment<'a>>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub(super) components: Option<&'a [Component]>,
#[serde(skip_serializing_if = "Option::is_none")]
pub(super) content: Option<&'a str>,
#[serde(skip_serializing_if = "Option::is_none")]
pub(super) embeds: Option<&'a [Embed]>,
#[serde(skip_serializing_if = "Option::is_none")]
pub(super) flags: Option<MessageFlags>,
#[serde(skip_serializing_if = "Option::is_none")]
pub(super) payload_json: Option<&'a [u8]>,
#[serde(skip_serializing_if = "Option::is_none")]
pub(super) sticker_ids: Option<&'a [Id<StickerMarker>]>,
}
#[must_use = "requests must be configured and executed"]
pub struct CreateForumThreadMessage<'a>(Result<CreateForumThread<'a>, MessageValidationError>);
impl<'a> CreateForumThreadMessage<'a> {
pub(super) const fn new(inner: CreateForumThread<'a>) -> Self {
Self(Ok(inner))
}
/// Specify the [`AllowedMentions`] for the message.
///
/// Unless otherwise called, the request will use the client's default
/// allowed mentions. Set to `None` to ignore this default.
pub const fn allowed_mentions(mut self, allowed_mentions: Option<&'a AllowedMentions>) -> Self {
if let Ok(inner) = self.0.as_mut() {
inner.fields.message.allowed_mentions = Some(Nullable(allowed_mentions));
}
self
}
/// Attach multiple files to the message.
///
/// Calling this method will clear any previous calls.
///
/// # Errors
///
/// Returns an error of type [`AttachmentFilename`] if any filename is
/// invalid.
///
/// [`AttachmentFilename`]: twilight_validate::message::MessageValidationErrorType::AttachmentFilename
pub fn attachments(mut self, attachments: &'a [Attachment]) -> Self {
if self.0.is_ok() {
let validation = attachments
.iter()
.try_for_each(|attachment| validate_attachment_filename(&attachment.filename));
if let Err(source) = validation {
self.0 = Err(source);
} else if let Ok(inner) = self.0.as_mut() {
let mut manager = mem::take(&mut inner.attachment_manager);
manager = manager.set_files(attachments.iter().collect());
inner.attachment_manager = manager;
}
}
self
}
/// Set the message's list of [`Component`]s.
///
/// Calling this method will clear previous calls.
///
/// Requires a webhook owned by the application.
///
/// # Errors
///
/// Refer to the errors section of
/// [`twilight_validate::component::component`] for a list of errors that
/// may be returned as a result of validating each provided component.
pub fn components(mut self, components: &'a [Component]) -> Self {
self.0 = self.0.and_then(|mut inner| {
validate_components(
components,
inner
.fields
.message
.flags
.is_some_and(|f| f.contains(MessageFlags::IS_COMPONENTS_V2)),
)?;
inner.fields.message.components = Some(components);
Ok(inner)
});
self
}
/// Set the message's content.
///
/// The maximum length is 2000 UTF-16 characters.
///
/// # Errors
///
/// Returns an error of type [`ContentInvalid`] if the content length is too
/// long.
///
/// [`ContentInvalid`]: twilight_validate::message::MessageValidationErrorType::ContentInvalid
pub fn content(mut self, content: &'a str) -> Self {
self.0 = self.0.and_then(|mut inner| {
validate_content(content)?;
inner.fields.message.content = Some(content);
Ok(inner)
});
self
}
/// Set the message's list of embeds.
///
/// Calling this method will clear previous calls.
///
/// The amount of embeds must not exceed [`EMBED_COUNT_LIMIT`]. The total
/// character length of each embed must not exceed [`EMBED_TOTAL_LENGTH`]
/// characters. Additionally, the internal fields also have character
/// limits. Refer to [Discord Docs/Embed Limits] for more information.
///
/// # Errors
///
/// Returns an error of type [`TooManyEmbeds`] if there are too many embeds.
///
/// Otherwise, refer to the errors section of
/// [`twilight_validate::embed::embed`] for a list of errors that may occur.
///
/// [Discord Docs/Embed Limits]: https://discord.com/developers/docs/resources/channel#embed-limits
/// [`EMBED_COUNT_LIMIT`]: twilight_validate::message::EMBED_COUNT_LIMIT
/// [`EMBED_TOTAL_LENGTH`]: twilight_validate::embed::EMBED_TOTAL_LENGTH
/// [`TooManyEmbeds`]: twilight_validate::message::MessageValidationErrorType::TooManyEmbeds
pub fn embeds(mut self, embeds: &'a [Embed]) -> Self {
self.0 = self.0.and_then(|mut inner| {
validate_embeds(embeds)?;
inner.fields.message.embeds = Some(embeds);
Ok(inner)
});
self
}
/// Set the message's flags.
///
/// The only supported flags are [`SUPPRESS_EMBEDS`] and
/// [`SUPPRESS_NOTIFICATIONS`].
///
/// [`SUPPRESS_EMBEDS`]: MessageFlags::SUPPRESS_EMBEDS
/// [`SUPPRESS_NOTIFICATIONS`]: MessageFlags::SUPPRESS_NOTIFICATIONS
pub const fn flags(mut self, flags: MessageFlags) -> Self {
if let Ok(inner) = self.0.as_mut() {
inner.fields.message.flags = Some(flags);
}
self
}
/// JSON encoded body of any additional request fields.
///
/// If this method is called, all other fields are ignored, except for
/// [`attachments`]. See [Discord Docs/Uploading Files].
///
/// # Examples
///
/// See [`ExecuteWebhook::payload_json`] for examples.
///
/// [Discord Docs/Uploading Files]: https://discord.com/developers/docs/reference#uploading-files
/// [`ExecuteWebhook::payload_json`]: crate::request::channel::webhook::ExecuteWebhook::payload_json
/// [`attachments`]: Self::attachments
pub const fn payload_json(mut self, payload_json: &'a [u8]) -> Self {
if let Ok(inner) = self.0.as_mut() {
inner.fields.message.payload_json = Some(payload_json);
}
self
}
/// Set the IDs of up to 3 guild stickers.
///
/// # Errors
///
/// Returns an error of type [`StickersInvalid`] if the length is invalid.
///
/// [`StickersInvalid`]: twilight_validate::message::MessageValidationErrorType::StickersInvalid
pub fn sticker_ids(mut self, sticker_ids: &'a [Id<StickerMarker>]) -> Self {
self.0 = self.0.and_then(|mut inner| {
validate_sticker_ids(sticker_ids)?;
inner.fields.message.sticker_ids = Some(sticker_ids);
Ok(inner)
});
self
}
}
impl IntoFuture for CreateForumThreadMessage<'_> {
type Output = Result<Response<ForumThread>, Error>;
type IntoFuture = ResponseFuture<ForumThread>;
fn into_future(self) -> Self::IntoFuture {
match self.0 {
Ok(inner) => inner.exec(),
Err(source) => ResponseFuture::error(Error::validation(source)),
}
}
}
impl TryIntoRequest for CreateForumThreadMessage<'_> {
fn try_into_request(self) -> Result<crate::request::Request, Error> {
self.0
.map_err(Error::validation)
.and_then(CreateForumThread::try_into_request)
}
}