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website/src/handlers/posts.rs

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Rust
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use std::sync::Arc;
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use axum::{extract::Path, response::Html, Extension};
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use cached::proc_macro::cached;
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use pulldown_cmark::{html, Options, Parser};
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use tracing::log::*;
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use super::{Error, Result};
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use crate::{handlers::PageContext, Post, State};
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pub async fn view(Path(path): Path<String>, Extension(state): Extension<Arc<State>>) -> Result {
let post = path.trim_end_matches('/');
info!("Requested post: {}", post);
let res = render_post(&state, post).await.ok_or(Error::NotFound)?;
Ok(Html(res.into()))
}
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#[cached(time = 60, key = "String", convert = r"{ path.to_owned() }")]
async fn render_post(state: &State, path: &str) -> Option<String> {
let post = state.posts.iter().find(|p| p.slug == path)?;
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let options = Options::all();
let parser = Parser::new_ext(&post.content, options);
let mut out = String::new();
html::push_html(&mut out, parser);
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let ctx = tera::Context::from_serialize(PageContext { content: out }).ok()?;
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let res = match state.tera.render("post.html", &ctx) {
Ok(res) => res,
Err(e) => {
error!("Failed rendering post: {}", e);
return None;
}
};
Some(res)
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}
pub async fn index(Extension(state): Extension<Arc<State>>) -> Result {
let mut ctx = tera::Context::new();
ctx.insert("posts", &state.posts);
let res = state.tera.render("postsindex.html", &ctx).map_err(|e| {
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error!("Failed rendering posts index: {:?}", e);
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Error::NotFound
})?;
Ok(Html(res.into()))
}