Files
tuliprox/backend/src/processing/processor/playlist.rs
T

595 lines
26 KiB
Rust

use crate::model::{AppConfig, ConfigInput, ConfigRename};
use crate::utils::epg;
use crate::utils::m3u;
use crate::utils::xtream;
use crate::Config;
use std::collections::{HashMap, HashSet};
use std::path::PathBuf;
use std::sync::Arc;
use std::thread;
use tokio::sync::Mutex;
use crate::messaging::send_message;
use crate::model::Epg;
use crate::model::{ConfigTarget, ProcessTargets};
use crate::model::{Mapping};
use crate::model::FetchedPlaylist;
use crate::model::{InputStats, PlaylistStats, SourceStats, TargetStats};
use crate::processing::parser::xmltv::flatten_tvguide;
use crate::processing::playlist_watch::process_group_watch;
use crate::processing::processor::epg::process_playlist_epg;
use crate::processing::processor::sort::sort_playlist;
use crate::processing::processor::trakt::process_trakt_categories_for_target;
use crate::processing::processor::xtream_series::playlist_resolve_series;
use crate::processing::processor::xtream_vod::playlist_resolve_vod;
use crate::repository::playlist_repository::persist_playlist;
use crate::utils::debug_if_enabled;
use crate::utils::StepMeasure;
use deunicode::deunicode;
use log::{debug, error, info, log_enabled, trace, warn, Level};
use reqwest::Client;
use shared::error::{get_errors_notify_message, notify_err, TuliproxError, TuliproxErrorKind};
use shared::foundation::filter::{get_field_value, set_field_value, ValueAccessor, ValueProvider};
use shared::model::{CounterModifier, FieldGetAccessor, FieldSetAccessor, InputType, ItemField, MsgKind, PlaylistEntry, PlaylistGroup, PlaylistItem, ProcessingOrder, UUIDType, XtreamCluster};
use shared::utils::default_as_default;
use std::time::Instant;
fn is_valid(pli: &PlaylistItem, target: &ConfigTarget) -> bool {
let provider = ValueProvider { pli };
target.filter(&provider)
}
#[allow(clippy::unnecessary_wraps)]
fn filter_playlist(playlist: &mut [PlaylistGroup], target: &ConfigTarget) -> Option<Vec<PlaylistGroup>> {
debug!("Filtering {} groups", playlist.len());
let mut new_playlist = Vec::with_capacity(128);
for pg in playlist.iter_mut() {
let channels = pg.channels.iter()
.filter(|&pli| is_valid(pli, target)).cloned().collect::<Vec<PlaylistItem>>();
trace!("Filtered group {} has now {}/{} items", pg.title, channels.len(), pg.channels.len());
if !channels.is_empty() {
new_playlist.push(PlaylistGroup {
id: pg.id,
title: pg.title.clone(),
channels,
xtream_cluster: pg.xtream_cluster,
});
}
}
Some(new_playlist)
}
fn assign_channel_no_playlist(new_playlist: &mut [PlaylistGroup]) {
let assigned_chnos: HashSet<u32> = new_playlist.iter().flat_map(|g| &g.channels)
.filter(|c| !c.header.chno.is_empty())
.map(|c| c.header.chno.as_str())
.flat_map(str::parse::<u32>).collect();
let mut chno = 1;
for group in new_playlist {
for chan in &mut group.channels {
if chan.header.chno.is_empty() {
while assigned_chnos.contains(&chno) {
chno += 1;
}
chan.header.chno = chno.to_string();
chno += 1;
}
}
}
}
fn exec_rename(pli: &mut PlaylistItem, rename: Option<&Vec<ConfigRename>>) {
if let Some(renames) = rename {
if !renames.is_empty() {
let result = pli;
for r in renames {
let value = get_field_value(result, r.field);
let cap = r.pattern.replace_all(value.as_str(), &r.new_name);
if log_enabled!(log::Level::Debug) && *value != cap {
debug_if_enabled!("Renamed {}={} to {}", &r.field, value, cap);
}
let value = cap.into_owned();
set_field_value(result, r.field, value);
}
}
}
}
fn rename_playlist(playlist: &mut [PlaylistGroup], target: &ConfigTarget) -> Option<Vec<PlaylistGroup>> {
match &target.rename {
Some(renames) => {
if !renames.is_empty() {
let mut new_playlist: Vec<PlaylistGroup> = Vec::with_capacity(playlist.len());
for g in playlist {
let mut grp = g.clone();
for r in renames {
if matches!(r.field, ItemField::Group) {
let cap = r.pattern.replace_all(&grp.title, &r.new_name);
debug_if_enabled!("Renamed group {} to {} for {}", &grp.title, cap, target.name);
grp.title = cap.into_owned();
}
}
grp.channels.iter_mut().for_each(|pli| exec_rename(pli, target.rename.as_ref()));
new_playlist.push(grp);
}
return Some(new_playlist);
}
None
}
_ => None
}
}
fn map_channel(mut channel: PlaylistItem, mapping: &Mapping) -> PlaylistItem {
if let Some(mapper) = &mapping.mapper {
if !mapper.is_empty() {
let header = &channel.header;
let channel_name = if mapping.match_as_ascii { deunicode(&header.name) } else { header.name.to_string() };
if mapping.match_as_ascii && log_enabled!(Level::Trace) { trace!("Decoded {} for matching to {}", &header.name, &channel_name); }
let ref_chan = &mut channel;
let templates = mapping.templates.as_ref();
for m in mapper {
if let Some(script) = m.t_script.as_ref() {
if let Some(filter) = &m.t_filter {
let provider = ValueProvider { pli: ref_chan };
if filter.filter(&provider) {
let mut accessor = ValueAccessor { pli: ref_chan };
script.eval(&mut accessor, templates);
}
}
}
}
}
}
channel
}
fn map_playlist(playlist: &mut [PlaylistGroup], target: &ConfigTarget) -> Option<Vec<PlaylistGroup>> {
if let Some(mappings) = target.mapping.load().as_ref() {
let new_playlist: Vec<PlaylistGroup> = playlist.iter().map(|playlist_group| {
let mut grp = playlist_group.clone();
mappings.iter().filter(|&mapping| mapping.mapper.as_ref().is_some_and(|v| !v.is_empty()))
.for_each(|mapping|
grp.channels = grp.channels.drain(..).map(|chan| map_channel(chan, mapping)).collect());
grp
}).collect();
// if the group names are changed, restructure channels to the right groups
// we use
let mut new_groups: Vec<PlaylistGroup> = Vec::with_capacity(128);
let mut grp_id: u32 = 0;
for playlist_group in new_playlist {
for channel in &playlist_group.channels {
let cluster = &channel.header.xtream_cluster;
let title = &channel.header.group;
if let Some(grp) = new_groups.iter_mut().find(|x| *x.title == **title) {
grp.channels.push(channel.clone());
} else {
grp_id += 1;
new_groups.push(PlaylistGroup {
id: grp_id,
title: title.to_string(),
channels: vec![channel.clone()],
xtream_cluster: *cluster,
});
}
}
}
Some(new_groups)
} else {
None
}
}
fn map_playlist_counter(target: &ConfigTarget, playlist: &mut [PlaylistGroup]) {
if let Some(guard) = &*target.mapping.load() {
let mappings = guard.as_ref();
for mapping in mappings {
if let Some(counter_list) = &mapping.t_counter {
for counter in counter_list {
for plg in &mut *playlist {
for channel in &mut plg.channels {
let provider = ValueProvider { pli: channel };
if counter.filter.filter(&provider) {
let cntval = counter.value.fetch_add(1, core::sync::atomic::Ordering::SeqCst);
let padded_cntval = if counter.padding > 0 {
format!("{:0width$}", cntval, width = counter.padding as usize)
} else {
cntval.to_string()
};
let new_value = if counter.modifier == CounterModifier::Assign {
padded_cntval
} else {
let value = channel.header.get_field(&counter.field).map_or_else(String::new, |field_value| field_value.to_string());
if counter.modifier == CounterModifier::Suffix {
format!("{value}{}{padded_cntval}", counter.concat)
} else {
format!("{padded_cntval}{}{value}", counter.concat)
}
};
channel.header.set_field(&counter.field, new_value.as_str());
}
}
}
}
}
}
}
}
// If no input is enabled but the user set the target as command line argument,
// we force the input to be enabled.
// If there are enabled input, then only these are used.
fn is_input_enabled(input: &ConfigInput, user_targets: &ProcessTargets) -> bool {
let input_enabled = input.enabled;
let input_id = input.id;
(!user_targets.enabled && input_enabled) || user_targets.has_input(input_id)
}
fn is_target_enabled(target: &ConfigTarget, user_targets: &ProcessTargets) -> bool {
(!user_targets.enabled && target.enabled) || (user_targets.enabled && user_targets.has_target(target.id))
}
async fn process_source(client: Arc<reqwest::Client>, cfg: Arc<AppConfig>, source_idx: usize, user_targets: Arc<ProcessTargets>) -> (Vec<InputStats>, Vec<TargetStats>, Vec<TuliproxError>) {
let sources = cfg.sources.load();
let mut errors = vec![];
let mut input_stats = HashMap::<String, InputStats>::new();
let mut target_stats = Vec::<TargetStats>::new();
if let Some(source) = sources.get_source_at(source_idx) {
let mut source_playlists = Vec::with_capacity(128);
// Download the sources
let mut source_downloaded = false;
for input in &source.inputs {
if is_input_enabled(input, &user_targets) {
let config = cfg.config.load();
let working_dir = &config.working_dir;
source_downloaded = true;
let start_time = Instant::now();
let (mut playlistgroups, mut error_list) = match input.input_type {
InputType::M3u => m3u::get_m3u_playlist(Arc::clone(&client), &config, input, working_dir).await,
InputType::Xtream => xtream::get_xtream_playlist(&config, Arc::clone(&client), input, working_dir).await,
InputType::M3uBatch | InputType::XtreamBatch => (vec![], vec![])
};
let (tvguide, mut tvguide_errors) = if error_list.is_empty() {
epg::get_xmltv(Arc::clone(&client), input, working_dir).await
} else {
(None, vec![])
};
errors.append(&mut error_list);
errors.append(&mut tvguide_errors);
let group_count = playlistgroups.len();
let channel_count = playlistgroups.iter()
.map(|group| group.channels.len())
.sum();
let input_name = &input.name;
if playlistgroups.is_empty() {
info!("Source is empty {input_name}");
errors.push(notify_err!(format!("Source is empty {input_name}")));
} else {
playlistgroups.iter_mut().for_each(PlaylistGroup::on_load);
source_playlists.push(
FetchedPlaylist {
input,
playlistgroups,
epg: tvguide,
}
);
}
let elapsed = start_time.elapsed().as_secs();
input_stats.insert(input_name.to_string(), create_input_stat(group_count, channel_count, error_list.len(),
input.input_type, input_name, elapsed));
}
}
if source_downloaded {
if source_playlists.is_empty() {
debug!("Source at index {source_idx} is empty");
errors.push(notify_err!(format!("Source at {source_idx} is empty")));
} else {
debug_if_enabled!("Source has {} groups", source_playlists.iter().map(|fpl| fpl.playlistgroups.len()).sum::<usize>());
for target in &source.targets {
if is_target_enabled(target, &user_targets) {
match process_playlist_for_target(&cfg, Arc::clone(&client), &mut source_playlists, target, &mut input_stats, &mut errors).await {
Ok(()) => {
target_stats.push(TargetStats::success(&target.name));
}
Err(mut err) => {
target_stats.push(TargetStats::failure(&target.name));
errors.append(&mut err);
}
}
}
}
}
}
}
(input_stats.into_values().collect(), target_stats, errors)
}
fn create_input_stat(group_count: usize, channel_count: usize, error_count: usize, input_type: InputType, input_name: &str, secs_took: u64) -> InputStats {
InputStats {
name: input_name.to_string(),
input_type,
error_count,
raw_stats: PlaylistStats {
group_count,
channel_count,
},
processed_stats: PlaylistStats {
group_count: 0,
channel_count: 0,
},
secs_took,
}
}
async fn process_sources(client: Arc<reqwest::Client>, config: &Arc<AppConfig>, user_targets: Arc<ProcessTargets>) -> (Vec<SourceStats>, Vec<TuliproxError>) {
let mut handle_list = vec![];
let thread_num = config.config.load().threads;
let sources = config.sources.load();
let process_parallel = thread_num > 1 && sources.sources.len() > 1;
if process_parallel && log_enabled!(Level::Debug) {
debug!("Using {thread_num} threads");
}
let errors = Arc::new(Mutex::<Vec<TuliproxError>>::new(vec![]));
let stats = Arc::new(Mutex::<Vec<SourceStats>>::new(vec![]));
for (index, _) in sources.sources.iter().enumerate() {
// We're using the file lock this way on purpose
let source_lock_path = PathBuf::from(format!("source_{index}"));
let Ok(update_lock) = config.file_locks.try_write_lock(&source_lock_path).await else {
warn!("The update operation for the source at index {index} was skipped because an update is already in progress.");
continue;
};
let shared_errors = errors.clone();
let shared_stats = stats.clone();
let cfg = config.clone();
let usr_trgts = user_targets.clone();
if process_parallel {
let http_client = Arc::clone(&client);
let handles = &mut handle_list;
let process = move || {
// TODO better way ?
match tokio::runtime::Runtime::new() {
Ok(rt) => {
rt.block_on(async {
let (input_stats, target_stats, mut res_errors) = process_source(Arc::clone(&http_client), cfg, index, usr_trgts).await;
shared_errors.lock().await.append(&mut res_errors);
let process_stats = SourceStats::new(input_stats, target_stats);
shared_stats.lock().await.push(process_stats);
});
},
Err(err) => error!("Could not create runtime !!! {err}"),
}
};
handles.push(thread::spawn(process));
if handles.len() >= thread_num as usize {
handles.drain(..).for_each(|handle| { let _ = handle.join(); });
}
} else {
let (input_stats, target_stats, mut res_errors) = process_source(Arc::clone(&client), cfg, index, usr_trgts).await;
shared_errors.lock().await.append(&mut res_errors);
let process_stats = SourceStats::new(input_stats, target_stats);
shared_stats.lock().await.push(process_stats);
}
drop(update_lock);
}
for handle in handle_list {
let _ = handle.join();
}
if let (Ok(s), Ok(e)) = (Arc::try_unwrap(stats), Arc::try_unwrap(errors)) {
(s.into_inner(), e.into_inner())
} else {
(vec![], vec![])
}
}
pub type ProcessingPipe = Vec<fn(playlist: &mut [PlaylistGroup], target: &ConfigTarget) -> Option<Vec<PlaylistGroup>>>;
fn get_processing_pipe(target: &ConfigTarget) -> ProcessingPipe {
match &target.processing_order {
ProcessingOrder::Frm => vec![filter_playlist, rename_playlist, map_playlist],
ProcessingOrder::Fmr => vec![filter_playlist, map_playlist, rename_playlist],
ProcessingOrder::Rfm => vec![rename_playlist, filter_playlist, map_playlist],
ProcessingOrder::Rmf => vec![rename_playlist, map_playlist, filter_playlist],
ProcessingOrder::Mfr => vec![map_playlist, filter_playlist, rename_playlist],
ProcessingOrder::Mrf => vec![map_playlist, rename_playlist, filter_playlist]
}
}
fn duplicate_hash(item: &PlaylistItem) -> UUIDType {
item.get_uuid()
}
fn execute_pipe<'a>(target: &ConfigTarget, pipe: &ProcessingPipe, fpl: &FetchedPlaylist<'a>, duplicates: &mut HashSet<UUIDType>) -> FetchedPlaylist<'a> {
let mut new_fpl = FetchedPlaylist {
input: fpl.input,
playlistgroups: fpl.playlistgroups.clone(), // we need to clone, because of multiple target definitions, we cant change the initial playlist.
epg: fpl.epg.clone(),
};
if target.options.as_ref().is_some_and(|opt| opt.remove_duplicates) {
for group in &mut new_fpl.playlistgroups {
// `HashSet::insert` returns true for first insert, otherweise false
group.channels.retain(|item| duplicates.insert(duplicate_hash(item)));
}
}
for f in pipe {
if let Some(groups) = f(&mut new_fpl.playlistgroups, target) {
new_fpl.playlistgroups = groups;
}
}
new_fpl
}
// This method is needed, because of duplicate group names in different inputs.
// We merge the same group names considering cluster together.
fn flatten_groups(playlistgroups: Vec<PlaylistGroup>) -> Vec<PlaylistGroup> {
let mut sort_order: Vec<PlaylistGroup> = vec![];
let mut idx: usize = 0;
let mut group_map: HashMap<(String, XtreamCluster), usize> = HashMap::new();
for group in playlistgroups {
let key = (group.title.to_string(), group.xtream_cluster);
match group_map.entry(key) {
std::collections::hash_map::Entry::Vacant(v) => {
v.insert(idx);
idx += 1;
sort_order.push(group);
}
std::collections::hash_map::Entry::Occupied(o) => {
if let Some(pl_group) = sort_order.get_mut(*o.get()) {
pl_group.channels.extend(group.channels);
}
}
}
}
sort_order
}
async fn process_playlist_for_target(app_config: &AppConfig,
client: Arc<reqwest::Client>,
playlists: &mut [FetchedPlaylist<'_>],
target: &ConfigTarget,
stats: &mut HashMap<String, InputStats>,
errors: &mut Vec<TuliproxError>) -> Result<(), Vec<TuliproxError>> {
let pipe = get_processing_pipe(target);
debug_if_enabled!("Processing order is {}", &target.processing_order);
let mut duplicates: HashSet<UUIDType> = HashSet::new();
let mut processed_fetched_playlists: Vec<FetchedPlaylist> = vec![];
debug!("Executing processing pipes");
let mut step = StepMeasure::new("Pipes processed");
for provider_fpl in playlists.iter_mut() {
let mut processed_fpl = execute_pipe(target, &pipe, provider_fpl, &mut duplicates);
playlist_resolve_series(app_config, Arc::clone(&client), target, errors, &pipe, provider_fpl, &mut processed_fpl).await;
playlist_resolve_vod(app_config, Arc::clone(&client), target, errors, &mut processed_fpl).await;
// stats
let input_stats = stats.get_mut(&processed_fpl.input.name);
if let Some(stat) = input_stats {
stat.processed_stats.group_count = processed_fpl.playlistgroups.len();
stat.processed_stats.channel_count = processed_fpl.playlistgroups.iter()
.map(|group| group.channels.len())
.sum();
}
processed_fetched_playlists.push(processed_fpl);
}
step.tick("Processed epg");
let (new_epg, mut new_playlist) = process_epg(&mut processed_fetched_playlists);
if new_playlist.is_empty() {
info!("Playlist is empty: {}", &target.name);
Ok(())
} else {
// Process Trakt categories
step.tick("Processing Trakt categories");
trakt_playlist(&client, target, errors, &mut new_playlist).await;
step.tick("Merged playlists");
let mut flat_new_playlist = flatten_groups(new_playlist);
step.tick("Sorted playlists");
sort_playlist(target, &mut flat_new_playlist);
step.tick("Assigned channel number");
assign_channel_no_playlist(&mut flat_new_playlist);
step.tick("Assigned channel counter");
map_playlist_counter(target, &mut flat_new_playlist);
step.tick("Processed group watches");
let config = app_config.config.load();
process_watch(&config, &client, target, &flat_new_playlist);
step.tick("Persisting playlists");
let result = persist_playlist(app_config, &mut flat_new_playlist, flatten_tvguide(&new_epg).as_ref(), target).await;
step.stop();
result
}
}
async fn trakt_playlist(client: &Arc<Client>, target: &ConfigTarget, errors: &mut Vec<TuliproxError>, playlist: &mut Vec<PlaylistGroup>) {
match process_trakt_categories_for_target(Arc::clone(client), playlist, target).await {
Ok(trakt_categories) => {
if !trakt_categories.is_empty() {
info!("Adding {} Trakt categories to playlist", trakt_categories.len());
playlist.extend(trakt_categories);
}
}
Err(trakt_errors) => {
warn!("Trakt processing failed with {} errors", trakt_errors.len());
errors.extend(trakt_errors);
}
}
}
fn process_epg(processed_fetched_playlists: &mut Vec<FetchedPlaylist>) -> (Vec<Epg>, Vec<PlaylistGroup>) {
let mut new_playlist = vec![];
let mut new_epg = vec![];
// each fetched playlist can have its own epgl url.
// we need to process each input epg.
for fp in processed_fetched_playlists {
process_playlist_epg(fp, &mut new_epg);
new_playlist.append(&mut fp.playlistgroups);
}
(new_epg, new_playlist)
}
fn process_watch(cfg: &Config, client: &Arc<reqwest::Client>, target: &ConfigTarget, new_playlist: &Vec<PlaylistGroup>) {
if let Some(watches) = &target.watch {
if default_as_default().eq_ignore_ascii_case(&target.name) {
error!("cant watch a target with no unique name");
} else {
for pl in new_playlist {
if watches.iter().any(|r| r.is_match(&pl.title)) {
process_group_watch(client, cfg, &target.name, pl);
}
}
}
}
}
pub async fn exec_processing(client: Arc<reqwest::Client>, cfg: Arc<AppConfig>, targets: Arc<ProcessTargets>) {
let start_time = Instant::now();
let (stats, errors) = process_sources(Arc::clone(&client), &cfg, targets.clone()).await;
// log errors
for err in &errors {
error!("{}", err.message);
}
let config = cfg.config.load();
let messaging = config.messaging.as_ref();
if let Ok(stats_msg) = serde_json::to_string(&serde_json::Value::Object(serde_json::map::Map::from_iter([("stats".to_string(), serde_json::to_value(stats).unwrap())]))) {
// print stats
info!("{stats_msg}");
// send stats
send_message(&client, &MsgKind::Stats, messaging, stats_msg.as_str());
}
// send errors
if let Some(message) = get_errors_notify_message!(errors, 255) {
if let Ok(error_msg) = serde_json::to_string(&serde_json::Value::Object(serde_json::map::Map::from_iter([("errors".to_string(), serde_json::Value::String(message))]))) {
send_message(&client, &MsgKind::Error, messaging, error_msg.as_str());
}
}
let elapsed = start_time.elapsed().as_secs();
info!("🌷 Update process finished! Took {elapsed} secs.");
}
#[cfg(test)]
mod tests {
// #[test]
// fn test_jaro_winkeler() {
// let data = [("yessport5", "heyessport5gold"), ("yessport5", "heyesport5gold")];
//
// data.iter().for_each(|(first, second)|
// println!("jaro_winkler {} = {} => {}", first, second, strsim::jaro_winkler(first, second)));
// // println!("jaro {}", strsim::jaro(data.0, data.1));
// // println!("levenhstein {}", strsim::levenshtein(data.0, data.1));
// // println!("damerau_levenshtein {:?}", strsim::damerau_levenshtein(data.0, data.1));
// // println!("osa distance {:?}", strsim::osa_distance(data.0, data.1));
// // println!("sorensen dice {:?}", strsim::sorensen_dice(data.0, data.1));
// }
}