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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 crate::{DATABASE, session::Session};
use anyhow::{Result, anyhow};
use jellycommon::{Asset, LocalTrack, NodeID, PeopleGroup, SourceTrackKind, TrackSource};
use jellyimport_asset_token::AssetInner;
pub fn get_node_backdrop(_session: &Session, id: NodeID) -> Result<Asset> {
// TODO perm
let node = DATABASE
.get_node(id)?
.ok_or(anyhow!("node does not exist"))?;
let mut asset = node.backdrop.clone();
if asset.is_none() {
if let Some(parent) = node.parents.last().copied() {
let parent = DATABASE
.get_node(parent)?
.ok_or(anyhow!("node does not exist"))?;
asset = parent.backdrop.clone();
}
};
Ok(asset.unwrap_or_else(|| {
AssetInner::Assets(format!("fallback-{:?}.avif", node.kind).into()).ser()
}))
}
pub fn get_node_poster(_session: &Session, id: NodeID) -> Result<Asset> {
// TODO perm
let node = DATABASE
.get_node(id)?
.ok_or(anyhow!("node does not exist"))?;
let mut asset = node.poster.clone();
if asset.is_none() {
if let Some(parent) = node.parents.last().copied() {
let parent = DATABASE
.get_node(parent)?
.ok_or(anyhow!("node does not exist"))?;
asset = parent.poster.clone();
}
};
Ok(asset.unwrap_or_else(|| {
AssetInner::Assets(format!("fallback-{:?}.avif", node.kind).into()).ser()
}))
}
pub fn get_node_person_asset(
_session: &Session,
id: NodeID,
group: PeopleGroup,
index: usize,
) -> Result<Asset> {
// TODO perm
let node = DATABASE
.get_node(id)?
.ok_or(anyhow!("node does not exist"))?;
let app = node
.people
.get(&group)
.ok_or(anyhow!("group has no members"))?
.get(index)
.ok_or(anyhow!("person does not exist"))?;
let asset = app
.person
.headshot
.to_owned()
.unwrap_or(AssetInner::Assets("fallback-Person.avif".into()).ser());
Ok(asset)
}
pub async fn get_node_thumbnail(_session: &Session, id: NodeID, t: f64) -> Result<Asset> {
let node = DATABASE
.get_node(id)?
.ok_or(anyhow!("node does not exist"))?;
let media = node.media.as_ref().ok_or(anyhow!("no media"))?;
let (thumb_track_index, _thumb_track) = media
.tracks
.iter()
.enumerate()
.find(|(_i, t)| matches!(t.kind, SourceTrackKind::Video { .. }))
.ok_or(anyhow!("no video track to create a thumbnail of"))?;
let source = media
.tracks
.get(thumb_track_index)
.ok_or(anyhow!("no source"))?;
let thumb_track_source = source.source.clone();
if t < 0. || t > media.duration {
Err(anyhow!("thumbnail instant not within media duration"))?
}
let step = 8.;
let t = (t / step).floor() * step;
let asset = match thumb_track_source {
TrackSource::Local(a) => {
let AssetInner::LocalTrack(LocalTrack { path, .. }) = AssetInner::deser(&a.0)? else {
return Err(anyhow!("track set to wrong asset type").into());
};
// the track selected might be different from thumb_track
jellytranscoder::thumbnail::create_thumbnail(&path, t).await?
}
TrackSource::Remote(_) => {
// // TODO in the new system this is preferrably a property of node ext for regular fed
// let session = fed
// .get_session(
// thumb_track
// .federated
// .last()
// .ok_or(anyhow!("federation broken"))?,
// )
// .await?;
// async_cache_file("fed-thumb", (id.0, t as i64), |out| {
// session.node_thumbnail(out, id.0.into(), 2048, t)
// })
// .await?
todo!()
}
};
Ok(AssetInner::Cache(asset).ser())
}
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