83 lines
2.5 KiB
Rust
83 lines
2.5 KiB
Rust
use std::collections::HashMap;
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use futures::{Future, finished};
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use assets::*;
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use article_resource::ArticleResource;
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use state::State;
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use web::{Lookup, Resource};
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lazy_static! {
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static ref LOOKUP_MAP: HashMap<String, Box<Fn() -> Box<Resource + Sync + Send> + Sync + Send>> = {
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let mut lookup_map = HashMap::new();
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lookup_map.insert(
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format!("/_assets/style-{}.css", StyleCss::checksum()),
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Box::new(|| Box::new(StyleCss) as Box<Resource + Sync + Send>)
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as Box<Fn() -> Box<Resource + Sync + Send> + Sync + Send>
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);
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lookup_map.insert(
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format!("/_assets/script-{}.js", ScriptJs::checksum()),
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Box::new(|| Box::new(ScriptJs) as Box<Resource + Sync + Send>)
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as Box<Fn() -> Box<Resource + Sync + Send> + Sync + Send>
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);
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lookup_map.insert(
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format!("/_assets/amatic-sc-v9-latin-regular.woff"),
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Box::new(|| Box::new(AmaticFont) as Box<Resource + Sync + Send>)
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as Box<Fn() -> Box<Resource + Sync + Send> + Sync + Send>
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);
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lookup_map
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};
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}
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#[derive(Clone)]
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pub struct WikiLookup {
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state: State
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}
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impl WikiLookup {
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pub fn new(state: State) -> WikiLookup {
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WikiLookup { state }
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}
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}
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impl Lookup for WikiLookup {
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type Resource = Box<Resource + Send + Sync>;
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type Error = Box<::std::error::Error + Send + Sync>;
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type Future = Box<Future<Item = Option<Self::Resource>, Error = Self::Error>>;
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fn lookup(&self, path: &str, _query: Option<&str>, _fragment: Option<&str>) -> Self::Future {
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assert!(path.starts_with("/"));
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if path.starts_with("/_") {
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// Reserved namespace
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return Box::new(finished(
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LOOKUP_MAP.get(path).map(|x| x())
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));
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}
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let mut split = path[1..].split('/');
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let slug = split.next().expect("Always at least one element");
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if split.next() != None {
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// Currently disallow any URLs of the form /slug/...
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return Box::new(finished(None));
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}
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if let Ok(article_id) = slug.parse() {
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let state = self.state.clone();
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Box::new(self.state.get_article_revision_by_id(article_id)
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.and_then(|x| Ok(x.map(move |article|
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Box::new(ArticleResource::new(state, article)) as Box<Resource + Sync + Send>
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)))
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)
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} else {
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Box::new(finished(None))
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}
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}
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}
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