54 lines
1.2 KiB
Rust
54 lines
1.2 KiB
Rust
use axum::extract::State;
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use ruma::{
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api::client::{error::ErrorKind, threads::get_threads},
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uint,
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};
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use crate::{Error, Result, Ruma};
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/// # `GET /_matrix/client/r0/rooms/{roomId}/threads`
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pub(crate) async fn get_threads_route(
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State(services): State<crate::State>, body: Ruma<get_threads::v1::Request>,
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) -> Result<get_threads::v1::Response> {
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let sender_user = body.sender_user.as_ref().expect("user is authenticated");
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// Use limit or else 10, with maximum 100
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let limit = body
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.limit
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.unwrap_or_else(|| uint!(10))
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.try_into()
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.unwrap_or(10)
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.min(100);
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let from = if let Some(from) = &body.from {
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from.parse()
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.map_err(|_| Error::BadRequest(ErrorKind::InvalidParam, ""))?
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} else {
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u64::MAX
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};
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let threads = services
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.rooms
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.threads
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.threads_until(sender_user, &body.room_id, from, &body.include)?
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.take(limit)
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.filter_map(Result::ok)
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.filter(|(_, pdu)| {
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services
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.rooms
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.state_accessor
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.user_can_see_event(sender_user, &body.room_id, &pdu.event_id)
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.unwrap_or(false)
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})
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.collect::<Vec<_>>();
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let next_batch = threads.last().map(|(count, _)| count.to_string());
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Ok(get_threads::v1::Response {
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chunk: threads
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.into_iter()
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.map(|(_, pdu)| pdu.to_room_event())
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.collect(),
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next_batch,
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})
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}
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