ruma-client-api 0.22.1

Types for the endpoints in the Matrix client-server API.
Documentation 
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use std::collections::BTreeMap;

#[cfg(feature = "unstable-msc2654")]
use js_int::UInt;
use ruma_common::{OwnedEventId, serde::from_raw_json_value};
use serde::{Deserialize, Deserializer};
use serde_json::value::RawValue as RawJsonValue;

use super::{
    Ephemeral, JoinedRoom, LeftRoom, RoomAccountData, RoomSummary, State, StateEvents, Timeline,
    UnreadNotificationsCount,
};

#[derive(Debug, Deserialize)]
struct StateDeHelper {
    state: Option<StateEvents>,
    state_after: Option<StateEvents>,
    #[serde(rename = "org.matrix.msc4222.state_after")]
    state_after_unstable: Option<StateEvents>,
}

impl<'de> Deserialize<'de> for State {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        let StateDeHelper { state, state_after, state_after_unstable } =
            StateDeHelper::deserialize(deserializer)?;

        Ok(state_after
            .or(state_after_unstable)
            .map(Self::After)
            .or_else(|| state.map(Self::Before))
            .unwrap_or_default())
    }
}

#[derive(Debug, Deserialize)]
struct LeftRoomDeHelper {
    #[serde(default)]
    timeline: Timeline,
    #[serde(default)]
    account_data: RoomAccountData,
}

impl<'de> Deserialize<'de> for LeftRoom {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        let json = Box::<RawJsonValue>::deserialize(deserializer)?;

        let state = from_raw_json_value(&json)?;
        let LeftRoomDeHelper { timeline, account_data } = from_raw_json_value(&json)?;

        Ok(Self { timeline, state, account_data })
    }
}

#[derive(Debug, Deserialize)]
struct JoinedRoomDeHelper {
    #[serde(default)]
    summary: RoomSummary,
    #[serde(default)]
    unread_notifications: UnreadNotificationsCount,
    #[serde(default)]
    unread_thread_notifications: BTreeMap<OwnedEventId, UnreadNotificationsCount>,
    #[serde(default)]
    timeline: Timeline,
    #[serde(default)]
    account_data: RoomAccountData,
    #[serde(default)]
    ephemeral: Ephemeral,
    #[cfg(feature = "unstable-msc2654")]
    #[serde(rename = "org.matrix.msc2654.unread_count")]
    unread_count: Option<UInt>,
}

impl<'de> Deserialize<'de> for JoinedRoom {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        let json = Box::<RawJsonValue>::deserialize(deserializer)?;

        let state = from_raw_json_value(&json)?;
        let JoinedRoomDeHelper {
            summary,
            unread_notifications,
            unread_thread_notifications,
            timeline,
            account_data,
            ephemeral,
            #[cfg(feature = "unstable-msc2654")]
            unread_count,
        } = from_raw_json_value(&json)?;

        Ok(Self {
            summary,
            unread_notifications,
            unread_thread_notifications,
            timeline,
            state,
            account_data,
            ephemeral,
            #[cfg(feature = "unstable-msc2654")]
            unread_count,
        })
    }
}