62 lines
1.8 KiB
Rust
62 lines
1.8 KiB
Rust
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use crate::generator::posts::parse::{parse_post, prepare_post, PostContent, PostMetadata};
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use crate::generator::{content_path, HtmlContent, Post};
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use compute_graph::rule::{Input, InputVisitable, Rule};
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use std::fs;
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use std::path::PathBuf;
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pub fn list_post_files() -> anyhow::Result<Vec<PathBuf>> {
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let posts_path = content_path("posts/");
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let mut paths = vec![];
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for ent in fs::read_dir(posts_path)? {
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let Ok(ent) = ent else {
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continue;
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};
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let Ok(ty) = ent.file_type() else {
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continue;
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};
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if ty.is_dir() {
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paths.push(find_index(ent.path()).expect("folder posts must have index file"));
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} else {
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paths.push(ent.path());
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}
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}
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Ok(paths)
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}
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fn find_index(path: PathBuf) -> Option<PathBuf> {
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let dir = fs::read_dir(path).ok()?;
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dir.flatten()
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.find(|e| e.path().file_stem().unwrap().eq_ignore_ascii_case("index"))
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.map(|e| e.path())
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}
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#[derive(InputVisitable)]
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pub struct ParsePost(pub PathBuf);
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impl Rule for ParsePost {
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type Output = Post<HtmlContent>;
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fn evaluate(&mut self) -> Self::Output {
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match parse_post(self.0.clone()) {
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Ok(post) => prepare_post(post),
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Err(e) => {
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let path = self.0.to_string_lossy();
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panic!("Failed to parse post {path}: {e}")
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}
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}
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}
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fn node_label(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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write!(f, "{}", self.0.file_stem().unwrap().to_string_lossy())
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}
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}
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#[derive(InputVisitable)]
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pub struct ExtractMetadata<C: PostContent>(pub Input<Post<C>>);
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impl<C: PostContent + 'static> Rule for ExtractMetadata<C> {
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type Output = PostMetadata;
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fn evaluate(&mut self) -> Self::Output {
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self.input_0().metadata.clone()
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}
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}
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