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// SPDX-License-Identifier: GPL-3.0-or-later
// File: ./src/tui/network.rs
// Manages background network operations for the TUI.
//
// This actor no longer accepts high-level "intent" actions like ToggleTask or
// MarkCancelled. Those behaviors are computed by the TUI using the in-memory
// store, and the TUI now sends explicit CRUD actions (CreateTask/UpdateTask/etc.)
// for persistence. The network actor therefore acts as a dumb persistence
// pipeline: attempt online operation, otherwise journal the action and return
// status events so the UI can react.
use crate::cache::Cache;
use crate::client::RustyClient;
use crate::context::AppContext;
use crate::controller::TaskController;
use crate::storage::{LocalCalendarRegistry, LocalStorage};
use crate::store::TaskStore;
use crate::tui::action::{Action, AppEvent};
use std::sync::Arc;
use tokio::sync::{
Mutex,
mpsc::{Receiver, Sender},
};
pub struct NetworkActorConfig {
pub url: String,
pub user: String,
pub pass: String,
pub allow_insecure: bool,
pub enable_local_mode: bool,
pub default_cal: Option<String>,
}
fn apply_local_mode_filter(
calendars: &mut Vec<crate::model::CalendarListEntry>,
enable_local_mode: bool,
) {
if !enable_local_mode {
calendars.retain(|c| !c.href.starts_with("local://"));
}
}
async fn merge_results_into_store(
store: &Arc<Mutex<TaskStore>>,
results: &[(String, Vec<crate::model::Task>)],
) {
let mut s = store.lock().await;
for (href, tasks) in results {
s.insert(href.clone(), tasks.clone());
}
}
pub async fn run_network_actor(
ctx: Arc<dyn AppContext>,
config: NetworkActorConfig,
mut action_rx: Receiver<Action>,
event_tx: Sender<AppEvent>,
) {
let NetworkActorConfig {
url,
user,
pass,
allow_insecure,
enable_local_mode,
default_cal: _default_cal,
} = config;
// ------------------------------------------------------------------
// 0. INITIALIZE CONTROLLER (Lightweight reconstruction for the actor context)
// ------------------------------------------------------------------
// Create a minimal controller instance for background tasks like pruning local trash.
let store = Arc::new(Mutex::new(TaskStore::new(ctx.clone())));
let client_container = Arc::new(Mutex::new(None));
let controller = TaskController::new(store.clone(), client_container.clone(), ctx.clone());
// PRUNE TRASH on startup (best-effort; report error to event channel)
if let Err(e) = controller.prune_trash().await {
let _ = event_tx
.send(AppEvent::Error(
rust_i18n::t!("error_trash_prune", error = e.to_string()).to_string(),
))
.await;
}
// ------------------------------------------------------------------
// 1. LOAD CACHE IMMEDIATELY
// ------------------------------------------------------------------
if let Ok(mut cached_cals) = Cache::load_calendars(ctx.as_ref()) {
// Load local registry and merge
if enable_local_mode && let Ok(locals) = LocalCalendarRegistry::load(ctx.as_ref()) {
for loc in locals {
if !cached_cals.iter().any(|c| c.href == loc.href) {
cached_cals.push(loc);
}
}
}
apply_local_mode_filter(&mut cached_cals, enable_local_mode);
let _ = event_tx
.send(AppEvent::CalendarsLoaded(cached_cals.clone()))
.await;
let mut cached_tasks = Vec::new();
// Load tasks for all local calendars
for cal in &cached_cals {
if cal.href.starts_with("local://") {
if let Ok(mut tasks) = LocalStorage::load_for_href(ctx.as_ref(), &cal.href) {
crate::journal::Journal::apply_to_tasks(ctx.as_ref(), &mut tasks, &cal.href);
cached_tasks.push((cal.href.clone(), tasks));
}
} else if let Ok((mut tasks, _)) = Cache::load(ctx.as_ref(), &cal.href) {
crate::journal::Journal::apply_to_tasks(ctx.as_ref(), &mut tasks, &cal.href);
cached_tasks.push((cal.href.clone(), tasks));
}
}
if !cached_tasks.is_empty() {
merge_results_into_store(&store, &cached_tasks).await;
let _ = event_tx.send(AppEvent::TasksLoaded(cached_tasks)).await;
}
}
// ------------------------------------------------------------------
// 1. CONNECT & SYNC
// ------------------------------------------------------------------
let client: RustyClient =
match RustyClient::new(ctx.clone(), &url, &user, &pass, allow_insecure, Some("TUI")) {
Ok(c) => c,
Err(e) => {
let _ = event_tx.send(AppEvent::Error(e.to_string())).await;
return;
}
};
let _ = event_tx
.send(AppEvent::Status {
key: "connecting".to_string(),
human: rust_i18n::t!("connecting").to_string(),
})
.await;
let mut calendars = match client.get_calendars().await {
Ok((cals, _)) => cals,
Err(e) => {
let err_str = e.to_string();
if err_str.contains("InvalidCertificate") {
let mut helpful_msg = rust_i18n::t!("error_invalid_tls_detailed")
.trim()
.to_string();
let config_path = crate::config::Config::get_path_string(ctx.as_ref())
.unwrap_or_else(|_| "path unknown".to_string());
let config_advice = rust_i18n::t!("error_tls_config_advice").trim().to_string();
if !allow_insecure {
helpful_msg.push('\n');
helpful_msg.push_str(rust_i18n::t!("error_tls_self_hosted").trim());
}
helpful_msg.push_str("\n\n");
helpful_msg.push_str(&config_advice);
helpful_msg.push_str("\n ");
helpful_msg.push_str(&config_path);
let _ = event_tx.send(AppEvent::Error(helpful_msg)).await;
return;
} else {
let _ = event_tx
.send(AppEvent::Status {
key: "sync_warning".to_string(),
human: rust_i18n::t!("sync_warning", msg = err_str).to_string(),
})
.await;
vec![]
}
}
};
apply_local_mode_filter(&mut calendars, enable_local_mode);
// Merge locals again after network discovery
if enable_local_mode && let Ok(locals) = LocalCalendarRegistry::load(ctx.as_ref()) {
for loc in locals {
if !calendars.iter().any(|c| c.href == loc.href) {
calendars.push(loc);
}
}
}
let _ = event_tx
.send(AppEvent::CalendarsLoaded(calendars.clone()))
.await;
let _ = event_tx
.send(AppEvent::Status {
key: "syncing".to_string(),
human: rust_i18n::t!("syncing").to_string(),
})
.await;
// Load tasks again with validated calendars list
let mut cached_results = Vec::new();
for cal in &calendars {
if cal.href.starts_with("local://") {
if let Ok(mut tasks) = LocalStorage::load_for_href(ctx.as_ref(), &cal.href) {
crate::journal::Journal::apply_to_tasks(ctx.as_ref(), &mut tasks, &cal.href);
cached_results.push((cal.href.clone(), tasks));
}
} else if let Ok((mut tasks, _)) = Cache::load(ctx.as_ref(), &cal.href) {
crate::journal::Journal::apply_to_tasks(ctx.as_ref(), &mut tasks, &cal.href);
cached_results.push((cal.href.clone(), tasks));
}
}
if !cached_results.is_empty() {
merge_results_into_store(&store, &cached_results).await;
let _ = event_tx.send(AppEvent::TasksLoaded(cached_results)).await;
}
match client.get_all_tasks(&calendars).await {
Ok(results) => {
merge_results_into_store(&store, &results).await;
let _ = event_tx.send(AppEvent::TasksLoaded(results)).await;
let client_container = Arc::new(tokio::sync::Mutex::new(Some(client.clone())));
let controller = TaskController::new(store.clone(), client_container, ctx.clone());
// Trigger a full sync pass which handles settings first, then uploads any pending changes.
if let Ok((_warns, _synced, config_changed)) = controller.sync_and_update_store().await
&& config_changed
&& let Ok(cfg) = crate::config::Config::load(ctx.as_ref())
{
let _ = event_tx.send(AppEvent::ConfigUpdated(Box::new(cfg))).await;
}
let _ = event_tx
.send(AppEvent::Status {
key: "ready".to_string(),
human: rust_i18n::t!("ready").to_string(),
})
.await;
}
Err(e) => {
let _ = event_tx
.send(AppEvent::Status {
key: "sync_warning".to_string(),
human: rust_i18n::t!("sync_warning", msg = e).to_string(),
})
.await;
}
}
// ------------------------------------------------------------------
// 2. ACTION LOOP
// ------------------------------------------------------------------
while let Some(action) = action_rx.recv().await {
match action {
Action::Quit => break,
Action::SwitchCalendar(href) => match client.get_tasks(&href).await {
Ok(t) => {
merge_results_into_store(&store, &[(href.clone(), t.clone())]).await;
let _ = event_tx.send(AppEvent::TasksLoaded(vec![(href, t)])).await;
}
Err(e) => {
let _ = event_tx.send(AppEvent::Error(e.to_string())).await;
}
},
Action::IsolateCalendar(href) => match client.get_tasks(&href).await {
Ok(t) => {
merge_results_into_store(&store, &[(href.clone(), t.clone())]).await;
let _ = event_tx.send(AppEvent::TasksLoaded(vec![(href, t)])).await;
}
Err(e) => {
let _ = event_tx.send(AppEvent::Error(e.to_string())).await;
}
},
Action::ToggleCalendarVisibility(href) => match client.get_tasks(&href).await {
Ok(t) => {
merge_results_into_store(&store, &[(href.clone(), t.clone())]).await;
let _ = event_tx.send(AppEvent::TasksLoaded(vec![(href, t)])).await;
}
Err(e) => {
let _ = event_tx
.send(AppEvent::Error(
rust_i18n::t!("error_fetch_failed", error = e.to_string()).to_string(),
))
.await;
}
},
Action::PersistBatch(actions) => {
// To keep the network actor's store in sync, apply actions here too
let mut s = store.lock().await;
for action in &actions {
match action {
crate::journal::Action::Create(t) | crate::journal::Action::Update(t) => {
s.update_or_add_task(t.clone());
}
crate::journal::Action::Delete(t) => {
let _ = s.delete_task(&t.uid);
}
crate::journal::Action::Move(t, target) => {
let _ = s.move_task(&t.uid, target.clone());
}
}
}
drop(s);
let client_container = Arc::new(Mutex::new(Some(client.clone())));
let controller = TaskController::new(store.clone(), client_container, ctx.clone());
match controller.persist_changes(actions).await {
Ok(_) => {
let controller_clone = controller.clone();
let event_tx_clone = event_tx.clone();
let ctx_clone = ctx.clone();
tokio::spawn(async move {
if let Ok((_warns, synced_tasks, config_changed)) =
controller_clone.sync_and_update_store().await
{
if config_changed
&& let Ok(cfg) = crate::config::Config::load(ctx_clone.as_ref())
{
let _ = event_tx_clone
.send(AppEvent::ConfigUpdated(Box::new(cfg)))
.await;
}
// Send TaskSynced events instead of TasksLoaded to update metadata
// without overwriting the UI's optimistic state!
for sync_task in synced_tasks {
let _ = event_tx_clone
.send(AppEvent::TaskSynced {
uid: sync_task.uid,
href: sync_task.href,
etag: sync_task.etag,
sequence: sync_task.sequence,
})
.await;
}
let _ = event_tx_clone
.send(AppEvent::Status {
key: "status_saved".to_string(),
human: rust_i18n::t!("status_saved").to_string(),
})
.await;
}
});
}
Err(e) => {
let _ = event_tx.send(AppEvent::Error(e)).await;
}
}
}
Action::Refresh => {
let _ = event_tx
.send(AppEvent::Status {
key: "syncing".to_string(),
human: rust_i18n::t!("syncing").to_string(),
})
.await;
let mut calendars = match client.get_calendars().await {
Ok((c, _)) => c,
Err(e) => {
let _ = event_tx.send(AppEvent::Error(e.to_string())).await;
vec![]
}
};
apply_local_mode_filter(&mut calendars, enable_local_mode);
// Merge local calendars from registry
if enable_local_mode && let Ok(locals) = LocalCalendarRegistry::load(ctx.as_ref()) {
for loc in locals {
if !calendars.iter().any(|c| c.href == loc.href) {
calendars.push(loc);
}
}
}
let _ = event_tx
.send(AppEvent::CalendarsLoaded(calendars.clone()))
.await;
match client.get_all_tasks(&calendars).await {
Ok(results) => {
merge_results_into_store(&store, &results).await;
let _ = event_tx.send(AppEvent::TasksLoaded(results)).await;
let client_container =
Arc::new(tokio::sync::Mutex::new(Some(client.clone())));
let controller =
TaskController::new(store.clone(), client_container, ctx.clone());
// Trigger a full sync pass which handles settings first, then uploads any pending changes.
if let Ok((_warns, _synced, config_changed)) =
controller.sync_and_update_store().await
&& config_changed
&& let Ok(cfg) = crate::config::Config::load(ctx.as_ref())
{
let _ = event_tx.send(AppEvent::ConfigUpdated(Box::new(cfg))).await;
}
let _ = event_tx
.send(AppEvent::Status {
key: "refreshed".to_string(),
human: rust_i18n::t!("refreshed").to_string(),
})
.await;
}
Err(e) => {
let _ = event_tx.send(AppEvent::Error(e.to_string())).await;
}
}
}
Action::MigrateLocal(source_href, target_href) => {
let _ = event_tx
.send(AppEvent::Status {
key: "migrating_local".to_string(),
human: rust_i18n::t!("migrating_local").to_string(),
})
.await;
// FIX: Load tasks from disk. The client is dumb; we must provide the data.
if let Ok(local_tasks) = LocalStorage::load_for_href(ctx.as_ref(), &source_href) {
match client.migrate_tasks(local_tasks, &target_href).await {
Ok(count) => {
let human = if count == 1 {
rust_i18n::t!("migration_complete_moved.one").to_string()
} else {
rust_i18n::t!("migration_complete_moved.other", count = count)
.to_string()
};
let _ = event_tx
.send(AppEvent::Status {
key: "migration_complete".to_string(),
human,
})
.await;
// Trigger refresh to show moved tasks
let _ = event_tx
.send(AppEvent::Status {
key: "refreshing".to_string(),
human: rust_i18n::t!("refreshing").to_string(),
})
.await;
// (Existing refresh logic usually follows here or user presses 'r')
}
Err(e) => {
let _ = event_tx.send(AppEvent::Error(e.to_string())).await;
}
}
} else {
let _ = event_tx
.send(AppEvent::Error(
rust_i18n::t!("failed_to_load_local_tasks").to_string(),
))
.await;
}
}
// Any other actions are ignored by the network actor; the TUI/store
// layer is responsible for computing state changes and emitting explicit
// persistence commands.
_ => {}
}
}
}