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use std::path::PathBuf;
use std::convert::TryInto;
use anyhow::Context;
use anyhow::Result;
use crate::client::Client;
use crate::ipfs_client::IpfsClient;
mod device;
use device::Device;
mod state;
use state::*;
#[derive(Debug, getset::Getters, getset::MutGetters)]
pub struct Profile {
state: ProfileState,
#[getset(get = "pub", get_mut = "pub")]
client: Client,
}
impl Profile {
pub async fn create(state_dir: &StateDir, name: &str) -> Result<Self> {
let bootstrap = vec![]; // TODO
let mdns = true; // TODO
let keypair = ipfs::Keypair::generate_ed25519();
let options = ipfs::IpfsOptions {
ipfs_path: Self::ipfs_path(state_dir).await?,
keypair,
bootstrap,
mdns,
kad_protocol: None,
listening_addrs: vec![],
span: Some(tracing::trace_span!("distrox-ipfs")),
};
let keypair = options.keypair.clone();
let (ipfs, fut): (ipfs::Ipfs<_>, _) = ipfs::UninitializedIpfs::<_>::new(options)
.start()
.await?;
tokio::task::spawn(fut);
Self::new(ipfs, name.to_string(), keypair).await
}
pub async fn new_inmemory(name: &str) -> Result<Self> {
let mut opts = ipfs::IpfsOptions::inmemory_with_generated_keys();
opts.mdns = true;
let keypair = opts.keypair.clone();
let (ipfs, fut): (ipfs::Ipfs<_>, _) = ipfs::UninitializedIpfs::<_>::new(opts).start().await.unwrap();
tokio::task::spawn(fut);
Self::new(ipfs, format!("inmemory-{}", name), keypair).await
}
async fn new(ipfs: IpfsClient, profile_name: String, keypair: libp2p::identity::Keypair) -> Result<Self> {
let client = Client::new(ipfs);
let state = ProfileState::new(profile_name, keypair);
Ok(Profile { state, client })
}
pub fn head(&self) -> Option<&cid::Cid> {
self.state.profile_head().as_ref()
}
pub async fn connect(&self, peer: ipfs::MultiaddrWithPeerId) -> Result<()> {
self.client.connect(peer).await
}
pub async fn post_text(&mut self, text: String) -> Result<cid::Cid> {
let parent = self.state
.profile_head()
.as_ref()
.map(cid::Cid::clone)
.into_iter()
.collect::<Vec<cid::Cid>>();
let new_cid = self.client.post_text_node(parent, text).await?;
self.state.update_head(new_cid.clone())?;
Ok(new_cid)
}
async fn ipfs_path(state_dir: &StateDir) -> Result<PathBuf> {
let path = state_dir.ipfs();
tokio::fs::create_dir_all(&path).await?;
Ok(path)
}
pub fn config_path(name: &str) -> String {
format!("distrox-{}", name)
}
pub fn config_file_path(name: &str) -> Result<PathBuf> {
xdg::BaseDirectories::with_prefix("distrox")
.map_err(anyhow::Error::from)
.and_then(|dirs| {
let name = Self::config_path(name);
dirs.place_config_file(name)
.map_err(anyhow::Error::from)
})
}
pub fn state_dir_path(name: &str) -> Result<StateDir> {
log::debug!("Getting state directory path");
xdg::BaseDirectories::with_prefix("distrox")
.context("Fetching 'distrox' XDG base directory")
.map_err(anyhow::Error::from)
.and_then(|dirs| {
dirs.create_state_directory(name)
.map(StateDir::from)
.with_context(|| format!("Creating 'distrox' XDG state directory for '{}'", name))
.map_err(anyhow::Error::from)
})
}
pub async fn save(&self) -> Result<()> {
let state_dir_path = Self::state_dir_path(self.state.profile_name())?;
log::trace!("Saving to {:?}", state_dir_path.display());
ProfileStateSaveable::new(&self.state)
.context("Serializing profile state")?
.save_to_disk(&state_dir_path)
.await
.context("Saving state to disk")
.map_err(anyhow::Error::from)
}
pub async fn load(name: &str) -> Result<Self> {
let state_dir_path = Self::state_dir_path(name)?;
log::trace!("state_dir_path = {:?}", state_dir_path.display());
let state: ProfileState = ProfileStateSaveable::load_from_disk(&state_dir_path)
.await?
.try_into()
.context("Parsing profile state")?;
log::debug!("Loading state finished");
let bootstrap = vec![]; // TODO
let mdns = true; // TODO
let keypair = state.keypair().clone();
log::debug!("Configuring IPFS backend");
let options = ipfs::IpfsOptions {
ipfs_path: Self::ipfs_path(&state_dir_path).await?,
keypair,
bootstrap,
mdns,
kad_protocol: None,
listening_addrs: vec![],
span: Some(tracing::trace_span!("distrox-ipfs")),
};
log::debug!("Starting IPFS backend");
let (ipfs, fut): (ipfs::Ipfs<_>, _) = ipfs::UninitializedIpfs::<_>::new(options)
.start()
.await?;
tokio::task::spawn(fut);
log::debug!("Profile loading finished");
Ok(Profile {
state,
client: Client::new(ipfs),
})
}
pub async fn exit(self) -> Result<()> {
self.client.exit().await
}
pub fn add_device(&mut self, d: Device) -> Result<()> {
self.state.add_device(d)
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::convert::TryFrom;
#[tokio::test]
async fn test_create_profile() {
let _ = env_logger::try_init();
let profile = Profile::new_inmemory("test-create-profile").await;
assert!(profile.is_ok());
let exit = profile.unwrap().exit().await;
assert!(exit.is_ok(), "Not cleanly exited: {:?}", exit);
}
#[tokio::test]
async fn test_create_profile_and_helloworld() {
let _ = env_logger::try_init();
let profile = Profile::new_inmemory("test-create-profile-and-helloworld").await;
assert!(profile.is_ok());
let profile = profile.unwrap();
assert!(profile.head().is_none());
}
}
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