Files
notedeck/src/actionbar.rs
2024-10-15 12:35:06 -04:00

136 lines
3.9 KiB
Rust

use crate::{
note::NoteRef,
notecache::NoteCache,
notes_holder::{NotesHolder, NotesHolderStorage},
route::{Route, Router},
thread::Thread,
};
use enostr::{NoteId, Pubkey, RelayPool};
use nostrdb::{Ndb, Transaction};
#[derive(Debug, Eq, PartialEq, Copy, Clone)]
pub enum BarAction {
Reply(NoteId),
Quote(NoteId),
OpenThread(NoteId),
}
#[derive(Default)]
pub struct NoteActionResponse {
pub bar_action: Option<BarAction>,
pub open_profile: Option<Pubkey>,
}
pub struct NewNotes {
pub id: [u8; 32],
pub notes: Vec<NoteRef>,
}
pub enum NotesHolderResult {
NewNotes(NewNotes),
}
/// open_thread is called when a note is selected and we need to navigate
/// to a thread It is responsible for managing the subscription and
/// making sure the thread is up to date. In a sense, it's a model for
/// the thread view. We don't have a concept of model/view/controller etc
/// in egui, but this is the closest thing to that.
fn open_thread(
ndb: &Ndb,
txn: &Transaction,
router: &mut Router<Route>,
note_cache: &mut NoteCache,
pool: &mut RelayPool,
threads: &mut NotesHolderStorage<Thread>,
selected_note: &[u8; 32],
) -> Option<NotesHolderResult> {
router.route_to(Route::thread(NoteId::new(selected_note.to_owned())));
let root_id = crate::note::root_note_id_from_selected_id(ndb, note_cache, txn, selected_note);
Thread::open(ndb, note_cache, txn, pool, threads, root_id)
}
impl BarAction {
#[allow(clippy::too_many_arguments)]
pub fn execute(
self,
ndb: &Ndb,
router: &mut Router<Route>,
threads: &mut NotesHolderStorage<Thread>,
note_cache: &mut NoteCache,
pool: &mut RelayPool,
txn: &Transaction,
) -> Option<NotesHolderResult> {
match self {
BarAction::Reply(note_id) => {
router.route_to(Route::reply(note_id));
router.navigating = true;
None
}
BarAction::OpenThread(note_id) => {
open_thread(ndb, txn, router, note_cache, pool, threads, note_id.bytes())
}
BarAction::Quote(note_id) => {
router.route_to(Route::quote(note_id));
router.navigating = true;
None
}
}
}
/// Execute the BarAction and process the BarResult
pub fn execute_and_process_result(
self,
ndb: &Ndb,
router: &mut Router<Route>,
threads: &mut NotesHolderStorage<Thread>,
note_cache: &mut NoteCache,
pool: &mut RelayPool,
txn: &Transaction,
) {
if let Some(br) = self.execute(ndb, router, threads, note_cache, pool, txn) {
br.process(ndb, note_cache, txn, threads);
}
}
}
impl NotesHolderResult {
pub fn new_notes(notes: Vec<NoteRef>, id: [u8; 32]) -> Self {
NotesHolderResult::NewNotes(NewNotes::new(notes, id))
}
pub fn process<N: NotesHolder>(
&self,
ndb: &Ndb,
note_cache: &mut NoteCache,
txn: &Transaction,
storage: &mut NotesHolderStorage<N>,
) {
match self {
// update the thread for next render if we have new notes
NotesHolderResult::NewNotes(new_notes) => {
let holder = storage
.notes_holder_mutated(ndb, note_cache, txn, &new_notes.id)
.get_ptr();
new_notes.process(holder);
}
}
}
}
impl NewNotes {
pub fn new(notes: Vec<NoteRef>, id: [u8; 32]) -> Self {
NewNotes { notes, id }
}
/// Simple helper for processing a NewThreadNotes result. It simply
/// inserts/merges the notes into the thread cache
pub fn process<N: NotesHolder>(&self, thread: &mut N) {
// threads are chronological, ie reversed from reverse-chronological, the default.
let reversed = true;
thread.get_view().insert(&self.notes, reversed);
}
}