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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2025 metamuffin <metamuffin.org>
*/
use super::{
account::session::Session,
layout::LayoutPage,
node::{DatabaseNodeUserDataExt, NodeCard},
};
use crate::{
database::Database,
routes::ui::{error::MyResult, layout::DynLayoutPage},
};
use anyhow::Context;
use chrono::{Datelike, Utc};
use jellybase::CONF;
use jellycommon::{user::WatchedState, NodeID, Rating};
use rocket::{get, State};
use tokio::fs::read_to_string;
#[get("/")]
pub fn r_home(sess: Session, db: &State<Database>) -> MyResult<DynLayoutPage> {
let mut items = db.list_nodes_with_udata(&sess.user.name)?;
let random = (0..16)
.flat_map(|i| Some(items[cheap_daily_random(i).checked_rem(items.len())?].clone()))
.collect::<Vec<_>>();
let toplevel = db
.get_node_children(NodeID::from_slug("library"))
.context("root node missing")?
.into_iter()
.map(|n| db.get_node_with_userdata(n, &sess))
.collect::<anyhow::Result<Vec<_>>>()?;
items.sort_by_key(|(n, _)| {
n.ratings
.get(&Rating::Tmdb)
.map(|x| (*x * -1000.) as i32)
.unwrap_or(0)
});
let top_rated = items
.iter()
.take(16)
.filter(|(n, _)| n.ratings.contains_key(&Rating::Tmdb))
.map(|k| k.to_owned())
.collect::<Vec<_>>();
items.sort_by_key(|(n, _)| n.release_date.map(|d| -d).unwrap_or(i64::MAX));
let latest = items
.iter()
.take(16)
.map(|k| k.to_owned())
.collect::<Vec<_>>();
let continue_watching = items
.iter()
.filter(|(_, u)| matches!(u.watched, WatchedState::Progress(_)))
.map(|k| k.to_owned())
.collect::<Vec<_>>();
let watchlist = items
.iter()
.filter(|(_, u)| matches!(u.watched, WatchedState::Pending))
.map(|k| k.to_owned())
.collect::<Vec<_>>();
Ok(LayoutPage {
title: "Home".to_string(),
content: markup::new! {
h2 { "Explore " @CONF.brand }
ul.children.hlist {@for (node, udata) in &toplevel {
li { @NodeCard { node, udata } }
}}
@if !continue_watching.is_empty() {
h2 { "Continue Watching" }
ul.children.hlist {@for (node, udata) in &continue_watching {
li { @NodeCard { node, udata } }
}}
}
@if !watchlist.is_empty() {
h2 { "Watchlist" }
ul.children.hlist {@for (node, udata) in &watchlist {
li { @NodeCard { node, udata } }
}}
}
h2 { "Today's Picks" }
ul.children.hlist {@for (node, udata) in &random {
li { @NodeCard { node, udata } }
}}
h2 { "Latest Releases" }
ul.children.hlist {@for (node, udata) in &latest {
li { @NodeCard { node, udata } }
}}
@if !top_rated.is_empty() {
h2 { "Top Rated" }
ul.children.hlist {@for (node, udata) in &top_rated {
li { @NodeCard { node, udata } }
}}
}
},
..Default::default()
})
}
#[get("/", rank = 2)]
pub async fn r_home_unpriv() -> MyResult<DynLayoutPage<'static>> {
let front = read_to_string(CONF.asset_path.join("front.htm")).await?;
Ok(LayoutPage {
title: "Home".to_string(),
content: markup::new! {
@markup::raw(&front)
},
..Default::default()
})
}
fn cheap_daily_random(i: usize) -> usize {
xorshift(xorshift(Utc::now().num_days_from_ce() as u64) + i as u64) as usize
}
fn xorshift(mut x: u64) -> u64 {
x ^= x << 13;
x ^= x >> 7;
x ^= x << 17;
x
}
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