fabaccess-bffh/bffhd/resources/search.rs
Nadja Reitzenstein 2d9f30b55b Run rustfmt
2022-05-05 15:50:44 +02:00

59 lines
1.5 KiB
Rust

use crate::resources::Resource;
use std::collections::HashMap;
use std::sync::Arc;
struct Inner {
id: HashMap<String, Resource>,
}
impl Inner {
pub fn new(resources: impl IntoIterator<Item = Resource>) -> Self {
let mut id = HashMap::new();
for resource in resources {
let old = id.insert(resource.inner.id.clone(), resource);
assert!(old.is_none());
}
Self { id }
}
}
#[derive(Clone)]
pub struct ResourcesHandle {
inner: Arc<Inner>,
}
impl ResourcesHandle {
pub fn new(resources: impl IntoIterator<Item = Resource>) -> Self {
Self {
inner: Arc::new(Inner::new(resources)),
}
}
pub fn list_all(&self) -> impl IntoIterator<Item = &Resource> {
self.inner.id.values()
}
pub fn get_by_id(&self, id: &str) -> Option<&Resource> {
self.inner.id.get(id)
}
pub fn get_by_urn(&self, urn: &str) -> Option<&Resource> {
if let Some(id) = {
let mut parts = urn.split_terminator(':');
let part_urn = parts.next().map(|u| u == "urn").unwrap_or(false);
let part_fabaccess = parts.next().map(|f| f == "fabaccess").unwrap_or(false);
let part_resource = parts.next().map(|r| r == "resource").unwrap_or(false);
if !(part_urn && part_fabaccess && part_resource) {
return None;
}
parts.next().map(|s| s.to_string())
} {
self.get_by_id(&id)
} else {
None
}
}
}