feat(core): modernize backend with rusqlite and tokio scheduler

This commit migrates Firelink to use native Rust implementations for state persistence (SQLite) and background scheduling (tokio::spawn + chrono). React's interval pollers are completely removed.
This commit is contained in:
NimBold
2026-06-13 22:40:19 +03:30
parent a2b64aa6d1
commit d6fa8b6865
8 changed files with 815 additions and 214 deletions
+138
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@@ -0,0 +1,138 @@
use rusqlite::{Connection, Result, params};
use std::sync::Mutex;
use std::path::PathBuf;
use tauri::Manager;
pub struct DbState {
pub conn: Mutex<Connection>,
}
pub fn init_db(app_handle: &tauri::AppHandle) -> Result<Connection> {
let app_dir = app_handle.path().app_data_dir().unwrap_or_else(|_| PathBuf::from("."));
if !app_dir.exists() {
let _ = std::fs::create_dir_all(&app_dir);
}
let db_path = app_dir.join("firelink.sqlite");
let conn = Connection::open(db_path)?;
conn.execute(
"CREATE TABLE IF NOT EXISTS downloads (
id TEXT PRIMARY KEY,
status TEXT NOT NULL,
queue_id TEXT NOT NULL,
data TEXT NOT NULL
)",
[],
)?;
conn.execute(
"CREATE TABLE IF NOT EXISTS settings (
id INTEGER PRIMARY KEY CHECK (id = 1),
data TEXT NOT NULL
)",
[],
)?;
conn.execute(
"CREATE TABLE IF NOT EXISTS queues (
id TEXT PRIMARY KEY,
data TEXT NOT NULL
)",
[],
)?;
Ok(conn)
}
// Downloads CRUD
pub fn insert_download(conn: &Connection, id: &str, status: &str, queue_id: &str, data: &str) -> Result<()> {
conn.execute(
"INSERT OR REPLACE INTO downloads (id, status, queue_id, data) VALUES (?1, ?2, ?3, ?4)",
params![id, status, queue_id, data],
)?;
Ok(())
}
pub fn update_download_status(conn: &Connection, id: &str, status: &str) -> Result<()> {
conn.execute(
"UPDATE downloads SET status = ?1 WHERE id = ?2",
params![status, id],
)?;
Ok(())
}
pub fn update_download_data(conn: &Connection, id: &str, data: &str) -> Result<()> {
conn.execute(
"UPDATE downloads SET data = ?1 WHERE id = ?2",
params![data, id],
)?;
Ok(())
}
pub fn delete_download(conn: &Connection, id: &str) -> Result<()> {
conn.execute("DELETE FROM downloads WHERE id = ?1", params![id])?;
Ok(())
}
pub fn get_all_downloads(conn: &Connection) -> Result<Vec<String>> {
let mut stmt = conn.prepare("SELECT data FROM downloads")?;
let iter = stmt.query_map([], |row| row.get(0))?;
let mut res = Vec::new();
for data in iter {
res.push(data?);
}
Ok(res)
}
pub fn get_downloads_by_status(conn: &Connection, status: &str) -> Result<Vec<String>> {
let mut stmt = conn.prepare("SELECT data FROM downloads WHERE status = ?1")?;
let iter = stmt.query_map(params![status], |row| row.get(0))?;
let mut res = Vec::new();
for data in iter {
res.push(data?);
}
Ok(res)
}
// Settings CRUD
pub fn get_settings(conn: &Connection) -> Result<Option<String>> {
let mut stmt = conn.prepare("SELECT data FROM settings WHERE id = 1")?;
let mut iter = stmt.query_map([], |row| row.get(0))?;
if let Some(row) = iter.next() {
Ok(Some(row?))
} else {
Ok(None)
}
}
pub fn save_settings(conn: &Connection, data: &str) -> Result<()> {
conn.execute(
"INSERT OR REPLACE INTO settings (id, data) VALUES (1, ?1)",
params![data],
)?;
Ok(())
}
// Queues CRUD
pub fn insert_queue(conn: &Connection, id: &str, data: &str) -> Result<()> {
conn.execute(
"INSERT OR REPLACE INTO queues (id, data) VALUES (?1, ?2)",
params![id, data],
)?;
Ok(())
}
pub fn delete_queue(conn: &Connection, id: &str) -> Result<()> {
conn.execute("DELETE FROM queues WHERE id = ?1", params![id])?;
Ok(())
}
pub fn get_all_queues(conn: &Connection) -> Result<Vec<String>> {
let mut stmt = conn.prepare("SELECT data FROM queues")?;
let iter = stmt.query_map([], |row| row.get(0))?;
let mut res = Vec::new();
for data in iter {
res.push(data?);
}
Ok(res)
}
+199 -169
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@@ -296,80 +296,14 @@ async fn test_deno(app_handle: tauri::AppHandle) -> Result<String, String> {
#[tauri::command]
async fn open_file(path: String) -> Result<(), String> {
println!("open_file called for path: {}", path);
#[cfg(target_os = "macos")]
{
let status = std::process::Command::new("open")
.arg(&path)
.status();
match status {
Ok(s) if s.success() => Ok(()),
_ => Err(format!("Failed to open file: {:?}", status)),
}
}
#[cfg(target_os = "windows")]
{
let status = std::process::Command::new("cmd")
.arg("/c")
.arg("start")
.arg("")
.arg(&path)
.status();
match status {
Ok(s) if s.success() => Ok(()),
_ => Err(format!("Failed to open file: {:?}", status)),
}
}
#[cfg(target_os = "linux")]
{
let status = std::process::Command::new("xdg-open")
.arg(&path)
.status();
match status {
Ok(s) if s.success() => Ok(()),
_ => Err(format!("Failed to open file: {:?}", status)),
}
}
open::that(&path).map_err(|e| format!("Failed to open file: {}", e))
}
#[tauri::command]
async fn show_in_folder(path: String) -> Result<(), String> {
async fn show_in_folder(app: tauri::AppHandle, path: String) -> Result<(), String> {
println!("show_in_folder called for path: {}", path);
#[cfg(target_os = "macos")]
{
let status = std::process::Command::new("open")
.arg("-R")
.arg(&path)
.status();
match status {
Ok(s) if s.success() => Ok(()),
_ => Err(format!("Failed to show in Finder: {:?}", status)),
}
}
#[cfg(target_os = "windows")]
{
let status = std::process::Command::new("explorer")
.arg("/select,")
.arg(path.replace("/", "\\"))
.status();
match status {
Ok(s) if s.success() => Ok(()),
_ => Err(format!("Failed to show in Explorer: {:?}", status)),
}
}
#[cfg(target_os = "linux")]
{
if let Some(parent) = std::path::Path::new(&path).parent() {
let status = std::process::Command::new("xdg-open")
.arg(parent)
.status();
match status {
Ok(s) if s.success() => Ok(()),
_ => Err(format!("Failed to open folder: {:?}", status)),
}
} else {
Err("No parent folder found".to_string())
}
}
use tauri_plugin_opener::OpenerExt;
app.opener().reveal_item_in_dir(&path).map_err(|e| format!("Failed to reveal in folder: {}", e))
}
use std::collections::HashMap;
@@ -393,6 +327,7 @@ pub struct AppState {
pub aria2_port: u16,
pub aria2_secret: String,
pub media_semaphore: Arc<tokio::sync::Semaphore>,
pub sleep_preventer: Arc<Mutex<Option<keepawake::KeepAwake>>>,
}
#[derive(Clone, Serialize)]
@@ -935,41 +870,25 @@ fn update_dock_badge(_app_handle: tauri::AppHandle, count: i32) {
#[tauri::command]
fn set_prevent_sleep(state: tauri::State<'_, AppState>, prevent: bool) {
#[cfg(target_os = "macos")]
{
let mut tasks = state.tasks.lock().unwrap();
if prevent {
if !tasks.contains_key("sleep_prevent") {
if let Ok(child) = std::process::Command::new("caffeinate")
.arg("-i")
.spawn()
{
tasks.insert("sleep_prevent".to_string(), TaskHandle::Pid(child.id()));
}
}
} else {
if let Some(TaskHandle::Pid(pid)) = tasks.remove("sleep_prevent") {
let _ = std::process::Command::new("kill")
.arg("-15")
.arg(pid.to_string())
.status();
let mut current_preventer = state.sleep_preventer.lock().unwrap();
if prevent {
if current_preventer.is_none() {
if let Ok(keepawake) = keepawake::Builder::default().display(true).reason("Downloading files").create() {
*current_preventer = Some(keepawake);
}
}
} else {
*current_preventer = None;
}
}
#[tauri::command]
fn perform_system_action(action: String) -> Result<(), String> {
let status = match action.as_str() {
"shutdown" => std::process::Command::new("osascript").arg("-e").arg("tell app \"System Events\" to shut down").status(),
"restart" => std::process::Command::new("osascript").arg("-e").arg("tell app \"System Events\" to restart").status(),
"sleep" => std::process::Command::new("osascript").arg("-e").arg("tell app \"System Events\" to sleep").status(),
_ => return Err("Invalid action".to_string())
};
match status {
Ok(_) => Ok(()),
Err(e) => Err(e.to_string())
match action.as_str() {
"shutdown" => system_shutdown::shutdown().map_err(|e| e.to_string()),
"restart" => system_shutdown::reboot().map_err(|e| e.to_string()),
"sleep" => system_shutdown::sleep().map_err(|e| e.to_string()),
_ => Err("Invalid action".to_string())
}
}
@@ -1258,8 +1177,14 @@ pub fn run() {
aria2_port,
aria2_secret: aria2_secret.clone(),
media_semaphore: Arc::new(tokio::sync::Semaphore::new(3)),
sleep_preventer: Arc::new(Mutex::new(None)),
})
.setup(move |app| {
let db_conn = crate::db::init_db(app.handle()).expect("Failed to init db");
app.manage(crate::db::DbState { conn: std::sync::Mutex::new(db_conn) });
crate::scheduler::spawn_scheduler(app.handle().clone());
let resource_dir = app.path().resource_dir().unwrap();
let aria2c_path = resource_dir.join("binaries").join("aria2c");
@@ -1284,86 +1209,140 @@ pub fn run() {
let aria2_port_clone = aria2_port;
let aria2_secret_clone = aria2_secret.clone();
tokio::spawn(async move {
tokio::time::sleep(std::time::Duration::from_millis(500)).await;
let ws_url = format!("ws://127.0.0.1:{}/jsonrpc", aria2_port_clone);
use futures_util::{StreamExt, SinkExt};
use tokio_tungstenite::connect_async;
use tokio_tungstenite::tungstenite::Message;
let (mut ws_stream, _) = match connect_async(&ws_url).await {
Ok(stream) => stream,
Err(e) => {
eprintln!("Failed to connect to aria2 WebSocket: {}", e);
return;
}
};
let mut interval = tokio::time::interval(std::time::Duration::from_millis(1000));
loop {
tokio::time::sleep(std::time::Duration::from_millis(1000)).await;
let state = app_handle_clone.state::<AppState>();
let tasks = state.tasks.clone();
let mut gid_to_id = HashMap::new();
{
let map = tasks.lock().unwrap();
for (id, handle) in map.iter() {
if let TaskHandle::Aria2(gid) = handle {
gid_to_id.insert(gid.clone(), id.clone());
tokio::select! {
_ = interval.tick() => {
let req = serde_json::json!({
"jsonrpc": "2.0",
"id": "progress",
"method": "aria2.tellActive",
"params": [
format!("token:{}", aria2_secret_clone),
["gid", "status", "completedLength", "totalLength", "downloadSpeed"]
]
});
if let Ok(msg) = serde_json::to_string(&req) {
let _ = ws_stream.send(Message::Text(msg.into())).await;
}
}
}
if let Ok(json) = crate::rpc_call(aria2_port_clone, &aria2_secret_clone, "aria2.tellActive", serde_json::json!([["gid", "status", "completedLength", "totalLength", "downloadSpeed"]])).await {
if let Some(arr) = json.get("result").and_then(|r| r.as_array()) {
for item in arr {
if let Some(gid) = item.get("gid").and_then(|v| v.as_str()) {
if let Some(id) = gid_to_id.get(gid) {
let completed = item.get("completedLength").and_then(|v| v.as_str()).and_then(|s| s.parse::<f64>().ok()).unwrap_or(0.0);
let total = item.get("totalLength").and_then(|v| v.as_str()).and_then(|s| s.parse::<f64>().ok()).unwrap_or(1.0);
let speed_bytes = item.get("downloadSpeed").and_then(|v| v.as_str()).and_then(|s| s.parse::<f64>().ok()).unwrap_or(0.0);
msg = ws_stream.next() => {
match msg {
Some(Ok(Message::Text(text))) => {
if let Ok(json) = serde_json::from_str::<serde_json::Value>(text.as_str()) {
let state = app_handle_clone.state::<AppState>();
let tasks = state.tasks.clone();
let fraction = if total > 0.0 { completed / total } else { 0.0 };
let speed = if speed_bytes > 1024.0 * 1024.0 {
format!("{:.1} MB/s", speed_bytes / (1024.0 * 1024.0))
} else if speed_bytes > 1024.0 {
format!("{:.1} KB/s", speed_bytes / 1024.0)
} else {
format!("{:.0} B/s", speed_bytes)
};
let eta = if speed_bytes > 0.0 && total > completed {
let seconds = (total - completed) / speed_bytes;
if seconds > 3600.0 {
format!("{:.0}h {:.0}m", seconds / 3600.0, (seconds % 3600.0) / 60.0)
} else if seconds > 60.0 {
format!("{:.0}m {:.0}s", seconds / 60.0, seconds % 60.0)
} else {
format!("{:.0}s", seconds)
// Process progress
if json.get("id").and_then(|i| i.as_str()) == Some("progress") {
let mut gid_to_id = HashMap::new();
{
let map = tasks.lock().unwrap();
for (id, handle) in map.iter() {
if let TaskHandle::Aria2(gid) = handle {
gid_to_id.insert(gid.clone(), id.clone());
}
}
}
} else {
"-".to_string()
};
let _ = app_handle_clone.emit("download-progress", DownloadProgressEvent {
id: id.clone(),
fraction,
speed,
eta,
});
}
}
}
}
}
if let Some(arr) = json.get("result").and_then(|r| r.as_array()) {
for item in arr {
if let Some(gid) = item.get("gid").and_then(|v| v.as_str()) {
if let Some(id) = gid_to_id.get(gid) {
let completed = item.get("completedLength").and_then(|v| v.as_str()).and_then(|s| s.parse::<f64>().ok()).unwrap_or(0.0);
let total = item.get("totalLength").and_then(|v| v.as_str()).and_then(|s| s.parse::<f64>().ok()).unwrap_or(1.0);
let speed_bytes = item.get("downloadSpeed").and_then(|v| v.as_str()).and_then(|s| s.parse::<f64>().ok()).unwrap_or(0.0);
let fraction = if total > 0.0 { completed / total } else { 0.0 };
let speed = if speed_bytes > 1024.0 * 1024.0 {
format!("{:.1} MB/s", speed_bytes / (1024.0 * 1024.0))
} else if speed_bytes > 1024.0 {
format!("{:.1} KB/s", speed_bytes / 1024.0)
} else {
format!("{:.0} B/s", speed_bytes)
};
if let Ok(json) = crate::rpc_call(aria2_port_clone, &aria2_secret_clone, "aria2.tellStopped", serde_json::json!([0, 100, ["gid", "status", "completedLength", "totalLength"]])).await {
if let Some(arr) = json.get("result").and_then(|r| r.as_array()) {
for item in arr {
if let Some(gid) = item.get("gid").and_then(|v| v.as_str()) {
if let Some(id) = gid_to_id.get(gid) {
let status = item.get("status").and_then(|v| v.as_str()).unwrap_or("");
if status == "complete" {
let _ = app_handle_clone.emit("download-complete", id.clone());
tasks.lock().unwrap().remove(id);
} else if status == "error" {
let comp = item.get("completedLength").and_then(|v| v.as_str()).and_then(|s| s.parse::<f64>().ok()).unwrap_or(0.0);
let tot = item.get("totalLength").and_then(|v| v.as_str()).and_then(|s| s.parse::<f64>().ok()).unwrap_or(1.0);
if comp > 0.0 && comp >= tot {
let _ = app_handle_clone.emit("download-complete", id.clone());
} else {
let _ = app_handle_clone.emit("download-failed", id.clone());
let eta = if speed_bytes > 0.0 && total > completed {
let seconds = (total - completed) / speed_bytes;
if seconds > 3600.0 {
format!("{:.0}h {:.0}m", seconds / 3600.0, (seconds % 3600.0) / 60.0)
} else if seconds > 60.0 {
format!("{:.0}m {:.0}s", seconds / 60.0, seconds % 60.0)
} else {
format!("{:.0}s", seconds)
}
} else {
"-".to_string()
};
let _ = app_handle_clone.emit("download-progress", DownloadProgressEvent {
id: id.clone(),
fraction,
speed,
eta,
});
}
}
}
}
}
// Process Events
if let Some(method) = json.get("method").and_then(|m| m.as_str()) {
if method == "aria2.onDownloadComplete" || method == "aria2.onDownloadError" {
if let Some(params) = json.get("params").and_then(|p| p.as_array()) {
if let Some(event_info) = params.get(0) {
if let Some(gid) = event_info.get("gid").and_then(|g| g.as_str()) {
let mut target_id = None;
{
let map = tasks.lock().unwrap();
for (id, handle) in map.iter() {
if let TaskHandle::Aria2(task_gid) = handle {
if task_gid == gid {
target_id = Some(id.clone());
break;
}
}
}
}
if let Some(id) = target_id {
if method == "aria2.onDownloadComplete" {
let _ = app_handle_clone.emit("download-complete", id.clone());
} else {
let _ = app_handle_clone.emit("download-failed", id.clone());
}
tasks.lock().unwrap().remove(&id);
}
}
}
}
}
tasks.lock().unwrap().remove(id);
}
}
}
Some(Err(e)) => {
eprintln!("WebSocket error: {}", e);
break;
}
None => break, // Stream closed
_ => {} // Ignore binary/ping/pong for now
}
}
}
@@ -1396,9 +1375,60 @@ pub fn run() {
set_keychain_password, get_keychain_password, delete_keychain_password,
check_file_exists, delete_file, toggle_tray_icon, set_extension_pairing_token,
set_extension_frontend_ready, set_concurrent_limit, set_global_speed_limit, remove_download,
parity::get_system_proxy, parity::get_file_category, parity::check_for_updates, parity::is_supported_media
parity::get_system_proxy, parity::get_file_category, parity::check_for_updates, parity::is_supported_media,
db_save_settings, db_load_settings, db_get_all_downloads, db_save_download, db_delete_download, db_get_all_queues, db_save_queue, db_delete_queue
])
.run(tauri::generate_context!())
.expect("error while running tauri application");
}
mod extension_server;
mod db;
mod scheduler;
#[tauri::command]
fn db_save_settings(state: tauri::State<crate::db::DbState>, data: String) -> Result<(), String> {
let conn = state.conn.lock().unwrap();
crate::db::save_settings(&conn, &data).map_err(|e| e.to_string())
}
#[tauri::command]
fn db_load_settings(state: tauri::State<crate::db::DbState>) -> Result<Option<String>, String> {
let conn = state.conn.lock().unwrap();
crate::db::get_settings(&conn).map_err(|e| e.to_string())
}
#[tauri::command]
fn db_get_all_downloads(state: tauri::State<crate::db::DbState>) -> Result<Vec<String>, String> {
let conn = state.conn.lock().unwrap();
crate::db::get_all_downloads(&conn).map_err(|e| e.to_string())
}
#[tauri::command]
fn db_save_download(state: tauri::State<crate::db::DbState>, id: String, status: String, queue_id: String, data: String) -> Result<(), String> {
let conn = state.conn.lock().unwrap();
crate::db::insert_download(&conn, &id, &status, &queue_id, &data).map_err(|e| e.to_string())
}
#[tauri::command]
fn db_delete_download(state: tauri::State<crate::db::DbState>, id: String) -> Result<(), String> {
let conn = state.conn.lock().unwrap();
crate::db::delete_download(&conn, &id).map_err(|e| e.to_string())
}
#[tauri::command]
fn db_get_all_queues(state: tauri::State<crate::db::DbState>) -> Result<Vec<String>, String> {
let conn = state.conn.lock().unwrap();
crate::db::get_all_queues(&conn).map_err(|e| e.to_string())
}
#[tauri::command]
fn db_save_queue(state: tauri::State<crate::db::DbState>, id: String, data: String) -> Result<(), String> {
let conn = state.conn.lock().unwrap();
crate::db::insert_queue(&conn, &id, &data).map_err(|e| e.to_string())
}
#[tauri::command]
fn db_delete_queue(state: tauri::State<crate::db::DbState>, id: String) -> Result<(), String> {
let conn = state.conn.lock().unwrap();
crate::db::delete_queue(&conn, &id).map_err(|e| e.to_string())
}
+86
View File
@@ -0,0 +1,86 @@
use tauri::{Manager, Emitter};
use chrono::{Local, Datelike};
use std::time::Duration;
use serde::Deserialize;
#[derive(Deserialize, Debug)]
struct SchedulerSettings {
enabled: bool,
#[serde(rename = "startTime")]
start_time: String,
#[serde(rename = "stopTimeEnabled")]
stop_time_enabled: bool,
#[serde(rename = "stopTime")]
stop_time: String,
everyday: bool,
#[serde(rename = "selectedDays")]
selected_days: Vec<u32>,
#[serde(rename = "postQueueAction")]
post_queue_action: String,
}
pub fn spawn_scheduler(app_handle: tauri::AppHandle) {
tokio::spawn(async move {
let mut interval = tokio::time::interval(Duration::from_secs(10));
loop {
interval.tick().await;
let settings_opt = {
let state = app_handle.state::<crate::db::DbState>();
let conn = state.conn.lock().unwrap();
crate::db::get_settings(&conn).unwrap_or(None)
};
if let Some(settings_str) = settings_opt {
if let Ok(mut settings) = serde_json::from_str::<serde_json::Value>(&settings_str) {
if let Ok(scheduler) = serde_json::from_value::<SchedulerSettings>(settings.get("scheduler").unwrap_or(&serde_json::json!({})).clone()) {
if !scheduler.enabled {
continue;
}
let now = Local::now();
let current_time = now.format("%H:%M").to_string();
let current_day = now.weekday().num_days_from_sunday();
let allowed_today = scheduler.everyday || scheduler.selected_days.contains(&current_day);
if !allowed_today {
continue;
}
let date_key = now.format("%Y-%m-%d").to_string();
let trigger_key = format!("{}-{}", date_key, current_time);
let last_start_key = settings.get("schedulerLastStartKey").and_then(|v| v.as_str()).unwrap_or("");
let last_stop_key = settings.get("schedulerLastStopKey").and_then(|v| v.as_str()).unwrap_or("");
if scheduler.start_time == current_time && last_start_key != trigger_key {
settings["schedulerLastStartKey"] = serde_json::json!(trigger_key.clone());
settings["schedulerRunning"] = serde_json::json!(true);
let _ = app_handle.emit("schedule-trigger", "start");
if let Ok(updated) = serde_json::to_string(&settings) {
let state = app_handle.state::<crate::db::DbState>();
let conn = state.conn.lock().unwrap();
let _ = crate::db::save_settings(&conn, &updated);
}
}
if scheduler.stop_time_enabled && scheduler.stop_time == current_time && last_stop_key != trigger_key {
settings["schedulerLastStopKey"] = serde_json::json!(trigger_key.clone());
settings["schedulerRunning"] = serde_json::json!(false);
let _ = app_handle.emit("schedule-trigger", "stop");
if let Ok(updated) = serde_json::to_string(&settings) {
let state = app_handle.state::<crate::db::DbState>();
let conn = state.conn.lock().unwrap();
let _ = crate::db::save_settings(&conn, &updated);
}
}
}
}
}
}
});
}