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use anyhow::{anyhow, bail, Context, Ok};
use jellycommon::{DirectoryInfo, ItemInfo};
use log::info;
use std::{ffi::OsStr, fs::File, path::PathBuf, sync::Arc};
pub struct Library {
pub root: Arc<Node>,
}
#[derive(Debug, Clone)]
pub enum Node {
Directory(Arc<Directory>),
Item(Arc<Item>),
}
#[derive(Debug, Clone)]
pub struct Directory {
pub lib_path: PathBuf,
pub identifier: String,
pub data: DirectoryInfo,
pub children: Vec<Arc<Node>>,
}
#[derive(Debug, Clone)]
pub struct Item {
pub fs_path: PathBuf,
pub lib_path: PathBuf,
pub identifier: String,
pub data: ItemInfo,
}
impl Library {
pub fn open(path: &str) -> anyhow::Result<Self> {
Ok(Self {
root: Node::from_path(path.into(), PathBuf::new(), true).context("indexing root")?,
})
}
pub fn nested(&self, path: &str) -> anyhow::Result<Arc<Node>> {
let mut n = self.root.clone();
if path == "" {
return Ok(n);
}
for seg in path.split("/") {
n = n
.get_directory()?
.child_by_ident(seg)
.ok_or(anyhow!("does not exist"))?;
}
Ok(n)
}
}
impl Node {
pub fn get_directory(&self) -> anyhow::Result<Arc<Directory>> {
match self {
Node::Directory(d) => Ok(d.clone()),
Node::Item(_) => bail!("not a directory"),
}
}
pub fn get_item(&self) -> anyhow::Result<Arc<Item>> {
match self {
Node::Item(i) => Ok(i.clone()),
Node::Directory(_) => bail!("not an item"),
}
}
pub fn title(&self) -> &str {
match self {
Node::Directory(d) => &d.data.name,
Node::Item(i) => &i.data.title,
}
}
pub fn identifier(&self) -> &str {
match self {
Node::Directory(d) => &d.identifier,
Node::Item(i) => &i.identifier,
}
}
pub fn from_path(
path: PathBuf,
mut lib_path: PathBuf,
root: bool,
) -> anyhow::Result<Arc<Node>> {
if path.is_dir() {
let mpath = path.join("directory.json");
let data: DirectoryInfo =
serde_json::from_reader(File::open(mpath).context("metadata missing")?)?;
let identifier = path.file_name().unwrap().to_str().unwrap().to_string();
if !root {
lib_path = lib_path.join(identifier.clone());
}
let children = path
.read_dir()?
.filter_map(|e| {
let e = e.unwrap();
// TODO
if ((e.path().extension() != Some(OsStr::new("mkv"))
&& e.path().extension() != Some(OsStr::new("webm")))
|| e.metadata().unwrap().is_dir())
&& !e.path().ends_with("directory.json")
{
Some(e.path())
} else {
None
}
})
.map(|e| {
Node::from_path(e.clone(), lib_path.clone(), false)
.context(format!("loading {e:?}"))
})
.into_iter()
.collect::<anyhow::Result<Vec<_>>>()?;
Ok(Node::Directory(Arc::new(Directory {
lib_path,
children,
data,
identifier,
}))
.into())
} else if path.is_file() {
info!("loading {path:?}");
let datafile = File::open(path.clone()).context("cant load metadata")?;
let data: ItemInfo = serde_json::from_reader(datafile).context("invalid metadata")?;
let identifier = path
.with_extension("")
.file_name()
.unwrap()
.to_str()
.unwrap()
.to_string();
Ok(Node::Item(Arc::new(Item {
fs_path: path.clone(),
lib_path: lib_path.join(identifier.clone()),
data,
identifier,
}))
.into())
} else {
bail!("did somebody really put a fifo or socket in the library?!")
}
}
}
impl Item {
pub fn path(&self) -> String {
self.lib_path.to_str().unwrap().to_string()
}
}
impl Directory {
pub fn path(&self) -> String {
self.lib_path.to_str().unwrap().to_string()
}
pub fn child_by_ident(&self, i: &str) -> Option<Arc<Node>> {
self.children
.iter()
.find(|e| e.identifier() == i)
.map(|e| e.to_owned())
}
}
|
