93 lines
2.7 KiB
Rust
93 lines
2.7 KiB
Rust
pub mod json;
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use std::{collections::HashSet, path::PathBuf};
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use anyhow::Context;
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use async_trait::async_trait;
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use bytes::Bytes;
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use futures::stream::BoxStream;
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use librqbit_core::magnet::Magnet;
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use librqbit_core::Id20;
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use serde::{Deserialize, Deserializer, Serialize, Serializer};
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use crate::{
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session::TorrentId, torrent_state::ManagedTorrentHandle, AddTorrent, AddTorrentOptions,
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};
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#[derive(Serialize, Deserialize, Clone)]
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pub struct SerializedTorrent {
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#[serde(
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serialize_with = "serialize_info_hash",
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deserialize_with = "deserialize_info_hash"
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)]
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info_hash: Id20,
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#[serde(skip)]
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torrent_bytes: Bytes,
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trackers: HashSet<String>,
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output_folder: PathBuf,
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only_files: Option<Vec<usize>>,
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is_paused: bool,
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}
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impl SerializedTorrent {
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pub fn info_hash(&self) -> &Id20 {
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&self.info_hash
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}
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pub fn into_add_torrent(self) -> anyhow::Result<(AddTorrent<'static>, AddTorrentOptions)> {
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let add_torrent = if !self.torrent_bytes.is_empty() {
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AddTorrent::TorrentFileBytes(self.torrent_bytes)
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} else {
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let magnet =
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Magnet::from_id20(self.info_hash, self.trackers.into_iter().collect()).to_string();
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AddTorrent::from_url(magnet)
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};
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let opts = AddTorrentOptions {
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paused: self.is_paused,
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output_folder: Some(
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self.output_folder
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.to_str()
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.context("broken path")?
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.to_owned(),
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),
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only_files: self.only_files,
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overwrite: true,
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..Default::default()
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};
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Ok((add_torrent, opts))
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}
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}
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// TODO: make this info_hash first, ID-second.
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#[async_trait]
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pub trait SessionPersistenceStore: core::fmt::Debug + Send + Sync {
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async fn next_id(&self) -> anyhow::Result<TorrentId>;
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async fn store(&self, id: TorrentId, torrent: &ManagedTorrentHandle) -> anyhow::Result<()>;
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async fn delete(&self, id: TorrentId) -> anyhow::Result<()>;
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async fn get(&self, id: TorrentId) -> anyhow::Result<SerializedTorrent>;
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async fn update_metadata(
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&self,
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id: TorrentId,
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torrent: &ManagedTorrentHandle,
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) -> anyhow::Result<()>;
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async fn stream_all(
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&self,
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) -> anyhow::Result<BoxStream<'_, anyhow::Result<(TorrentId, SerializedTorrent)>>>;
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}
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pub type BoxSessionPersistenceStore = Box<dyn SessionPersistenceStore>;
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fn serialize_info_hash<S>(id: &Id20, serializer: S) -> Result<S::Ok, S::Error>
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where
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S: Serializer,
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{
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id.as_string().serialize(serializer)
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}
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fn deserialize_info_hash<'de, D>(deserializer: D) -> Result<Id20, D::Error>
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where
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D: Deserializer<'de>,
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{
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Id20::deserialize(deserializer)
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}
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