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-rw-r--r--src/library.rs133
1 files changed, 65 insertions, 68 deletions
diff --git a/src/library.rs b/src/library.rs
index d650733..ea0b9ed 100644
--- a/src/library.rs
+++ b/src/library.rs
@@ -1,119 +1,116 @@
-use std::{fs::File, path::PathBuf, str::FromStr, sync::Arc};
-
-use anyhow::{bail, Context, Ok};
-use chashmap::CHashMap;
-use serde::{Deserialize, Serialize};
+use crate::metadata::{DirectoryInfo, ItemInfo};
+use anyhow::{anyhow, bail, Context, Ok};
+use std::{ffi::OsStr, fs::File, path::PathBuf, sync::Arc};
pub struct Library {
- path: PathBuf,
- cache: CHashMap<String, LibNode>, // TODO
+ root: Arc<Node>,
}
#[derive(Debug, Clone)]
-pub enum LibNode {
- Directory(Arc<LibDirectory>),
- Item(Arc<LibItem>),
+pub enum Node {
+ Directory(Arc<Directory>),
+ Item(Arc<Item>),
}
#[derive(Debug, Clone)]
-pub struct LibDirectory {
- pub path: PathBuf,
- pub child_names: Vec<String>,
- pub data: LibDirectoryData,
+pub struct Directory {
+ pub identifier: String,
+ pub data: DirectoryInfo,
+ pub children: Vec<Arc<Node>>,
}
#[derive(Debug, Clone)]
-pub struct LibItem {
- pub data: LibItemData,
-}
-
-#[derive(Debug, Clone, Deserialize, Serialize)]
-pub struct LibDirectoryData {
- pub name: String,
-}
-
-#[derive(Debug, Clone, Deserialize, Serialize)]
-pub struct LibItemData {
- title: String,
+pub struct Item {
+ pub identifier: String,
+ pub data: ItemInfo,
}
impl Library {
pub fn open(path: &str) -> anyhow::Result<Self> {
Ok(Self {
- path: PathBuf::from_str(path).unwrap(),
- cache: CHashMap::new(),
+ root: Node::from_path(path.into()).context("indexing root")?,
})
}
- pub fn root(&self) -> anyhow::Result<Arc<LibNode>> {
- LibNode::from_path(self.path.clone())
- }
- pub fn nested(&self, path: &str) -> anyhow::Result<Arc<LibNode>> {
- let mut n = self.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()?.get_child(seg)?
+ n = n
+ .get_directory()?
+ .child_by_ident(seg)
+ .ok_or(anyhow!("does not exist"))?;
}
Ok(n)
}
}
-impl LibNode {
- pub fn get_directory(&self) -> anyhow::Result<&LibDirectory> {
+impl Node {
+ pub fn get_directory(&self) -> anyhow::Result<&Directory> {
match self {
- LibNode::Directory(d) => Ok(d),
- LibNode::Item(_) => bail!("not a directory"),
+ Node::Directory(d) => Ok(d),
+ Node::Item(_) => bail!("not a directory"),
}
}
pub fn title(&self) -> &str {
match self {
- LibNode::Directory(d) => &d.data.name,
- LibNode::Item(i) => &i.data.title,
+ 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) -> anyhow::Result<Arc<LibNode>> {
+ pub fn from_path(path: PathBuf) -> anyhow::Result<Arc<Node>> {
if path.is_dir() {
let mpath = path.join("directory.json");
- let data: LibDirectoryData =
+ let data: DirectoryInfo =
serde_json::from_reader(File::open(mpath).context("metadata missing")?)?;
- let child_names = path
+ let children = path
.read_dir()?
- .map(|e| e.unwrap().file_name().to_str().unwrap().to_string())
- .filter(|e| !e.ends_with(".json"))
- .collect();
- Ok(LibNode::Directory(Arc::new(LibDirectory {
- path,
- child_names,
+ .map(|e| e.unwrap().path())
+ .filter(|e| e.extension() != Some(OsStr::new("json")))
+ .map(|e| Node::from_path(e.clone()).context(format!("loading {e:?}")))
+ .into_iter()
+ .collect::<anyhow::Result<Vec<_>>>()?;
+
+ Ok(Node::Directory(Arc::new(Directory {
+ children,
data,
+ identifier: path.file_name().unwrap().to_str().unwrap().to_string(),
}))
.into())
} else if path.is_file() {
let mpath = path.clone().with_extension("metadata.json");
- let data: LibItemData =
- serde_json::from_reader(File::open(mpath).context("metadata missing")?)
- .context("invalid metadata")?;
- Ok(LibNode::Item(Arc::new(LibItem { data })).into())
+ let datafile = File::open(mpath.clone())
+ .context(format!("metadata missing, tried path {mpath:?}"))?;
+ let data: ItemInfo = serde_json::from_reader(datafile).context("invalid metadata")?;
+ Ok(Node::Item(Arc::new(Item {
+ data,
+ identifier: path
+ .with_extension("")
+ .file_name()
+ .unwrap()
+ .to_str()
+ .unwrap()
+ .to_string(),
+ }))
+ .into())
} else {
bail!("did somebody really put a fifo or socket in the library?!")
}
}
}
-impl LibDirectory {
- pub fn get_child(&self, p: &str) -> anyhow::Result<Arc<LibNode>> {
- if p.contains("..") || p.starts_with("/") {
- bail!("no! dont do that.")
- }
- let path = self.path.join(p);
- // if !path.exists() {bail!("does not exist");}
- LibNode::from_path(path)
- }
- pub fn child_nodes(&self) -> anyhow::Result<Vec<Arc<LibNode>>> {
- let mut o = vec![];
- for name in &self.child_names {
- o.push(self.get_child(&name)?)
- }
- Ok(o)
+impl Directory {
+ pub fn child_by_ident(&self, i: &str) -> Option<Arc<Node>> {
+ self.children
+ .iter()
+ .find(|e| e.identifier() == i)
+ .map(|e| e.to_owned())
}
}