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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) 2026 metamuffin <metamuffin.org>
*/
use super::error::MyResult;
use anyhow::{Context, anyhow};
use rocket::{get, http::ContentType, response::Redirect};
use std::str::FromStr;
pub const AVIF_QUALITY: u32 = 70;
pub const AVIF_SPEED: u8 = 5;
#[get("/image/<key..>?<size>")]
pub async fn r_image(
_session: A<Session>,
key: A<Asset>,
size: Option<usize>,
) -> MyResult<(ContentType, CacheControlImage)> {
let size = size.unwrap_or(2048);
if !key.0.0.ends_with(".image") {
Err(anyhow!("request to non-image"))?
}
// fit the resolution into a finite set so the maximum cache is finite too.
let width = 2usize.pow(size.clamp(128, 2048).ilog2());
let encoded = jellytranscoder::image::transcode(&key.0.0, AVIF_QUALITY, AVIF_SPEED, width)
.context("transcoding asset")?;
Ok((ContentType::AVIF, CacheControlImage(encoded)))
}
#[get("/n/<id>/image/<slot>?<size>")]
pub async fn r_item_poster(
session: A<Session>,
id: A<NodeID>,
slot: &str,
size: Option<usize>,
) -> MyResult<Redirect> {
let slot = PictureSlot::from_str(slot).map_err(|_| anyhow!("slot invalid"))?;
let node = get_node(&session.0, id.0, false, false, NodeFilterSort::default())?;
let picture = node
.node
.pictures
.get(&slot)
.cloned()
.ok_or(anyhow!("no pic todo"))?;
Ok(Redirect::permanent(rocket::uri!(r_image(picture, size))))
}
#[get("/n/<id>/thumbnail?<t>&<size>")]
pub async fn r_node_thumbnail(
session: A<Session>,
id: A<NodeID>,
t: f64,
size: Option<usize>,
) -> MyResult<Redirect> {
let picture = get_node_thumbnail(&session.0, id.0, t).await?;
Ok(Redirect::permanent(rocket::uri!(r_image(picture, size))))
}
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