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use super::send_method;
use crate::{
connectors::Connector,
errors,
internal::Client,
token,
types::{
input_file::{Album, GroupMedia, InputFile, Photo, Thumb, Video},
message::{self, Message},
parameters::{ChatId, ImplicitChatId, NotificationState},
},
Multipart,
};
#[derive(Debug, Clone)]
#[must_use = "methods do nothing unless turned into a future"]
pub struct SendMediaGroup<'a, C> {
client: &'a Client<C>,
token: token::Ref<'a>,
chat_id: ChatId<'a>,
media: &'a [GroupMedia<'a>],
disable_notification: Option<bool>,
reply_to_message_id: Option<message::Id>,
}
impl<'a, C> SendMediaGroup<'a, C> {
pub(crate) fn new(
client: &'a Client<C>,
token: token::Ref<'a>,
chat_id: impl ImplicitChatId<'a>,
media: &'a [GroupMedia<'a>],
) -> Self {
Self {
client,
token,
chat_id: chat_id.into(),
media,
disable_notification: None,
reply_to_message_id: None,
}
}
pub fn notification(mut self, state: NotificationState) -> Self {
self.disable_notification = Some(state.is_disabled());
self
}
pub fn reply_to_message_id(mut self, id: message::Id) -> Self {
self.reply_to_message_id = Some(id);
self
}
}
impl<C: Connector> SendMediaGroup<'_, C> {
pub async fn call(self) -> Result<Vec<Message>, errors::MethodCall> {
let mut multipart = Multipart::new(4 + self.media.len())
.chat_id("chat_id", self.chat_id)
.maybe_string("disabled_notification", self.disable_notification)
.maybe_string("reply_to_message_id", self.reply_to_message_id);
for (index, media) in self.media.iter().enumerate() {
match media {
GroupMedia::Photo(Photo {
media: InputFile::File { filename, bytes },
..
}) => {
let name = format!("photo_{}", index);
multipart =
multipart.file_owned_name(name, filename, bytes);
}
GroupMedia::Video(Video {
media: InputFile::File { filename, bytes },
thumb,
..
}) => {
let name = format!("video_{}", index);
multipart =
multipart.file_owned_name(name, filename, bytes);
if let Some(Thumb(InputFile::File { filename, bytes })) =
thumb
{
let name = format!("thumb_{}", index);
multipart =
multipart.file_owned_name(name, filename, bytes);
}
}
_ => (),
}
}
let media = Album(self.media);
let (boundary, body) = multipart.json("media", &media).finish();
send_method(
self.client,
self.token,
"sendMediaGroup",
Some(boundary),
body,
)
.await
}
}