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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) 2024 metamuffin <metamuffin.org>
*/
use super::{
account::session::Session,
layout::LayoutPage,
node::{DatabaseNodeUserDataExt, NodeCard},
};
use crate::{
database::DataAcid,
routes::ui::{error::MyResult, layout::DynLayoutPage},
};
use anyhow::Context;
use chrono::{Datelike, Utc};
use jellybase::{
database::{redb::ReadableTable, TableExt, T_NODE, T_USER_NODE},
CONF,
};
use jellycommon::{user::WatchedState, Rating};
use rocket::{get, State};
use tokio::fs::read_to_string;
#[get("/")]
pub fn r_home(sess: Session, db: &State<DataAcid>) -> MyResult<DynLayoutPage> {
let mut items = {
let txn = db.begin_read()?;
let nodes = txn.open_table(T_NODE)?;
let node_users = txn.open_table(T_USER_NODE)?;
let i = nodes
.iter()?
.map(|a| {
let (x, y) = a.unwrap();
let (x, y) = (x.value().to_owned(), y.value().0);
let z = node_users
.get(&(sess.user.name.as_str(), x.as_str()))
.unwrap()
.map(|z| z.value().0)
.unwrap_or_default();
let y = y.public;
(x, y, z)
})
.collect::<Vec<_>>();
drop(nodes);
i
};
let random = (0..16)
.flat_map(|i| Some(items[cheap_daily_random(i).checked_rem(items.len())?].clone()))
.collect::<Vec<_>>();
let toplevel = T_NODE
.get(&db, "library")?
.context("root node missing")?
.public
.children
.into_iter()
.map(|n| db.get_node_with_userdata(&n, &sess))
.collect::<anyhow::Result<Vec<_>>>()?
.into_iter()
.collect::<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 (id, node, udata) in &toplevel {
li { @NodeCard { id, node, udata } }
}}
@if !continue_watching.is_empty() {
h2 { "Continue Watching" }
ul.children.hlist {@for (id, node, udata) in &continue_watching {
li { @NodeCard { id, node, udata } }
}}
}
@if !watchlist.is_empty() {
h2 { "Watchlist" }
ul.children.hlist {@for (id, node, udata) in &watchlist {
li { @NodeCard { id, node, udata } }
}}
}
h2 { "Today's Picks" }
ul.children.hlist {@for (id, node, udata) in &random {
li { @NodeCard { id, node, udata } }
}}
h2 { "Latest Releases" }
ul.children.hlist {@for (id, node, udata) in &latest {
li { @NodeCard { id, node, udata } }
}}
@if !top_rated.is_empty() {
h2 { "Top Rated" }
ul.children.hlist {@for (id, node, udata) in &top_rated {
li { @NodeCard { id, 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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