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use chrono::prelude::*;
use color_eyre::eyre::{eyre, Result, WrapErr};
use glob::glob;
use std::{cmp::Ordering, path::PathBuf};
use tokio::fs;
pub mod frontmatter;
#[derive(Eq, PartialEq, Debug, Clone)]
pub struct Post {
pub front_matter: frontmatter::Data,
pub link: String,
pub body_html: String,
pub date: DateTime<FixedOffset>,
pub mentions: Vec<mi::WebMention>,
}
impl Into<jsonfeed::Item> for Post {
fn into(self) -> jsonfeed::Item {
let mut result = jsonfeed::Item::builder()
.title(self.front_matter.title)
.content_html(self.body_html)
.id(format!("https://christine.website/{}", self.link))
.url(format!("https://christine.website/{}", self.link))
.date_published(self.date.to_rfc3339())
.author(
jsonfeed::Author::new()
.name("Christine Dodrill")
.url("https://christine.website")
.avatar("https://christine.website/static/img/avatar.png"),
);
let mut tags: Vec<String> = vec![];
if let Some(series) = self.front_matter.series {
tags.push(series);
}
if let Some(mut meta_tags) = self.front_matter.tags {
tags.append(&mut meta_tags);
}
if tags.len() != 0 {
result = result.tags(tags);
}
if let Some(image_url) = self.front_matter.image {
result = result.image(image_url);
}
result.build().unwrap()
}
}
impl Ord for Post {
fn cmp(&self, other: &Self) -> Ordering {
self.partial_cmp(&other).unwrap()
}
}
impl PartialOrd for Post {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.date.cmp(&other.date))
}
}
impl Post {
pub fn detri(&self) -> String {
self.date.format("M%m %d %Y").to_string()
}
}
async fn read_post(dir: &str, fname: PathBuf) -> Result<Post> {
let body = fs::read_to_string(fname.clone())
.await
.wrap_err_with(|| format!("can't read {:?}", fname))?;
let (front_matter, content_offset) = frontmatter::Data::parse(body.clone().as_str())
.wrap_err_with(|| format!("can't parse frontmatter of {:?}", fname))?;
let body = &body[content_offset..];
let date = NaiveDate::parse_from_str(&front_matter.clone().date, "%Y-%m-%d")
.map_err(|why| eyre!("error parsing date in {:?}: {}", fname, why))?;
let link = format!("{}/{}", dir, fname.file_stem().unwrap().to_str().unwrap());
let body_html = crate::app::markdown::render(&body)
.wrap_err_with(|| format!("can't parse markdown for {:?}", fname))?;
let date: DateTime<FixedOffset> =
DateTime::<Utc>::from_utc(NaiveDateTime::new(date, NaiveTime::from_hms(0, 0, 0)), Utc)
.with_timezone(&Utc)
.into();
let mentions: Vec<mi::WebMention> = match std::env::var("MI_TOKEN") {
Ok(token) => mi::Client::new(token.to_string(), crate::APPLICATION_NAME.to_string())?
.mentioners(format!("https://christine.website/{}", link))
.await
.map_err(|why| tracing::error!("error: can't load mentions for {}: {}", link, why))
.unwrap_or(vec![]),
Err(_) => vec![],
};
Ok(Post {
front_matter,
link,
body_html,
date,
mentions,
})
}
pub async fn load(dir: &str) -> Result<Vec<Post>> {
let futs = glob(&format!("{}/*.markdown", dir))?
.filter_map(Result::ok)
.map(|fname| read_post(dir, fname));
let mut result: Vec<Post> = futures::future::join_all(futs)
.await
.into_iter()
.map(Result::unwrap)
.collect();
if result.len() == 0 {
Err(eyre!("no posts loaded"))
} else {
result.sort();
result.reverse();
Ok(result)
}
}
#[cfg(test)]
mod tests {
use super::*;
use color_eyre::eyre::Result;
#[tokio::test]
async fn blog() {
let _ = pretty_env_logger::try_init();
load("blog").await.expect("posts to load");
}
#[tokio::test]
async fn gallery() -> Result<()> {
let _ = pretty_env_logger::try_init();
load("gallery").await?;
Ok(())
}
#[tokio::test]
async fn talks() -> Result<()> {
let _ = pretty_env_logger::try_init();
load("talks").await?;
Ok(())
}
}
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