use super::{scope, Entity, Node, Result, Scope};
use std::collections::BTreeMap;
use std::io::Seek;
use std::ops::Deref;
use std::path::Path;
use drawbridge_jose::jws::Jws;
use drawbridge_jose::MediaTyped;
use drawbridge_type::TreeContent::{Directory, File};
use drawbridge_type::{TagEntry, TagName, Tree, TreeEntry, TreePath};
use anyhow::Context;
use ureq::serde::Serialize;
#[derive(Clone, Debug)]
pub struct Tag<'a, S: Scope>(Entity<'a, S, scope::Tag>);
impl<'a, S: Scope> Deref for Tag<'a, S> {
type Target = Entity<'a, S, scope::Tag>;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl<'a, S: Scope> Tag<'a, S> {
pub fn new(entity: Entity<'a, S, scope::Repository>, name: &TagName) -> Self {
Tag(entity.child(&name.to_string()))
}
pub fn create(&self, entry: &TagEntry<impl Serialize>) -> Result<bool> {
let mime = match entry {
TagEntry::Unsigned(..) => TreeEntry::<()>::TYPE,
TagEntry::Signed(..) => Jws::TYPE,
}
.parse()
.expect("failed to parse tag entry media type");
self.0.create_json(&mime, entry)
}
pub fn create_from_path_unsigned(
&self,
path: impl AsRef<Path>,
) -> Result<(bool, BTreeMap<TreePath, bool>)> {
let tree = Tree::from_path_sync(path)?;
let tag_created = self.create(&TagEntry::Unsigned(tree.root()))?;
let tree_created = tree
.into_iter()
.map(|(path, TreeEntry { meta, content, .. })| {
let node = Node::new(self.child("tree"), &path);
let created = match content {
File(mut file) => {
file.rewind().context("failed to rewind file")?;
node.create_from(&meta, file)?
}
Directory(buf) => node.create_from(&meta, buf.as_slice())?,
};
Ok((path, created))
})
.collect::<Result<_>>()?;
Ok((tag_created, tree_created))
}
pub fn get(&self) -> Result<TagEntry> {
self.0.get_json(u64::MAX).map(|(_, v)| v)
}
pub fn path(&self, path: &TreePath) -> Node<'a, S> {
Node::new(self.child("tree"), path)
}
}