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path: root/src/app/mod.rs
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use crate::{post::Post, signalboost::Person};
use color_eyre::eyre::Result;
use serde::Deserialize;
use std::{fs, path::PathBuf};
use tracing::{error, instrument};

pub mod markdown;
pub mod poke;

#[derive(Clone, Deserialize)]
pub struct Config {
    #[serde(rename = "clackSet")]
    pub(crate) clack_set: Vec<String>,
    pub(crate) signalboost: Vec<Person>,
    pub(crate) port: u16,
    #[serde(rename = "resumeFname")]
    pub(crate) resume_fname: PathBuf,
    #[serde(rename = "webMentionEndpoint")]
    pub(crate) webmention_url: String,
    #[serde(rename = "miToken")]
    pub(crate) mi_token: String,
}

#[instrument]
async fn patrons() -> Result<Option<patreon::Users>> {
    use patreon::*;
    let creds: Credentials = envy::prefixed("PATREON_")
        .from_env()
        .unwrap_or(Credentials::default());
    let cli = Client::new(creds);

    match cli.campaign().await {
        Ok(camp) => {
            let id = camp.data[0].id.clone();

            match cli.pledges(id).await {
                Ok(users) => Ok(Some(users)),
                Err(why) => {
                    error!("error getting pledges: {}", why);
                    Ok(None)
                }
            }
        }
        Err(why) => {
            error!("error getting patreon campaign: {}", why);
            Ok(None)
        }
    }
}

pub const ICON: &'static str = "https://christine.website/static/img/avatar.png";

pub struct State {
    pub cfg: Config,
    pub signalboost: Vec<Person>,
    pub resume: String,
    pub blog: Vec<Post>,
    pub gallery: Vec<Post>,
    pub talks: Vec<Post>,
    pub everything: Vec<Post>,
    pub jf: jsonfeed::Feed,
    pub sitemap: Vec<u8>,
    pub patrons: Option<patreon::Users>,
    pub mi: mi::Client,
}

pub async fn init(cfg: PathBuf) -> Result<State> {
    let cfg: Config = serde_dhall::from_file(cfg).parse()?;
    let sb = cfg.signalboost.clone();
    let resume = fs::read_to_string(cfg.resume_fname.clone())?;
    let resume: String = markdown::render(&resume)?;
    let mi = mi::Client::new(cfg.mi_token.clone(), crate::APPLICATION_NAME.to_string())?;
    let blog = crate::post::load("blog").await?;
    let gallery = crate::post::load("gallery").await?;
    let talks = crate::post::load("talks").await?;
    let mut everything: Vec<Post> = vec![];

    {
        let blog = blog.clone();
        let gallery = gallery.clone();
        let talks = talks.clone();
        everything.extend(blog.iter().cloned());
        everything.extend(gallery.iter().cloned());
        everything.extend(talks.iter().cloned());
    };

    everything.sort();
    everything.reverse();

    let everything: Vec<Post> = everything.into_iter().take(20).collect();

    let mut jfb = jsonfeed::Feed::builder()
        .title("Christine Dodrill's Blog")
        .description("My blog posts and rants about various technology things.")
        .author(
            jsonfeed::Author::new()
                .name("Christine Dodrill")
                .url("https://christine.website")
                .avatar(ICON),
        )
        .feed_url("https://christine.website/blog.json")
        .user_comment("This is a JSON feed of my blogposts. For more information read: https://jsonfeed.org/version/1")
        .home_page_url("https://christine.website")
        .icon(ICON)
        .favicon(ICON);

    for post in &everything {
        let post = post.clone();
        jfb = jfb.item(post.clone().into());
    }

    let mut sm: Vec<u8> = vec![];
    let smw = sitemap::writer::SiteMapWriter::new(&mut sm);
    let mut urlwriter = smw.start_urlset()?;
    for url in &[
        "https://christine.website/resume",
        "https://christine.website/contact",
        "https://christine.website/",
        "https://christine.website/blog",
        "https://christine.website/signalboost",
    ] {
        urlwriter.url(*url)?;
    }

    for post in &everything {
        urlwriter.url(format!("https://christine.website/{}", post.link))?;
    }

    urlwriter.end()?;

    Ok(State {
        mi,
        cfg,
        signalboost: sb,
        resume,
        blog,
        gallery,
        talks,
        everything,
        jf: jfb.build(),
        sitemap: sm,
        patrons: patrons().await?,
    })
}

#[cfg(test)]
mod tests {
    use color_eyre::eyre::Result;
    #[tokio::test]
    async fn init() -> Result<()> {
        super::init("./config.dhall".into()).await?;
        Ok(())
    }
}