Side B lays down the actual foundational architecture (ItemId path canonicalization/breadcrumbs, GlobalTree replacing the flat GroupMap, journal worker, parser rewrite) that Side A's commit builds directly on top of (rank_list/tree signature, entity_panel, reddit render module). Side A is a nice incremental feature (reddit post thumbnails/images) but is smaller in scope and depends on B's tree/ItemId infrastructure to even function; B's changes are more foundational and broadly enabling despite being messier/larger.
constitution · epochs · watch · epoch 3
comparison
c_410d9361a866 (tommy-mor) vs c_509fc5155034 (tommy-mor)
download prompt · raw event · cmp_036126a8948289
council reasoning
B replaces flat per-scope GroupMap/settlement with a hierarchical GlobalTree, canonical ItemId paths (parent/breadcrumbs/from_url), journal replay including NodeEnsured, and UI wired to ?item= nodes—core lasting architecture. A only extends that surface with Reddit-specific markup (thumb/image/link fields, render/reddit cards, CSS) and a fixture test, valuable polish but dependent and narrower.
Side B introduces a substantial architectural shift from string-based subreddit scopes to a hierarchical `GlobalTree` keyed by canonical `ItemId`s, updating state management, event replay, URL parsing, voting, breadcrumbs, and persistence to support per-node rankings and navigation. Side A adds valuable Reddit-specific rendering (thumbnails, entity cards, image/link extraction, and tests), but it is primarily a presentation and metadata enhancement layered on top of the existing model, whereas B establishes broader lasting infrastructure used across the application.
sides
A — c_410d9361a866 (tommy-mor)
message
[78964dd7] nice
diff preview
diff --git a/server/src/fetch/html.rs b/server/src/fetch/html.rs
index 9b6c2d0964640a157bca2a6a64cb0820238d8e4f..3e0309ff1c2ac1b17923922d2340ba6710e0f9d1 100644
--- a/server/src/fetch/html.rs
+++ b/server/src/fetch/html.rs
@@ -11,6 +11,9 @@ use crate::{
};
fn entity_panel(node: &NodeState) -> Markup {
+ if let Some(markup) = crate::render::reddit::entity_markup(node) {
+ return markup;
+ }
html! {
@if let Some(data) = &node.data {
div id="entity-panel" class="entity-card" {
diff --git a/server/src/html/mod.rs b/server/src/html/mod.rs
index e88cc43ddc9d8100f7994be6f5960ec4d8f22c55..3bf9fc7e92e50beed24e2c25106a77421038c90b 100644
--- a/server/src/html/mod.rs
+++ b/server/src/html/mod.rs
@@ -153,16 +153,21 @@ pub fn breadcrumb_path(item: &ItemId) -> Markup {
}
}
-fn rank_list(label: &str, items: &[RankedItem], start_rank: usize) -> Markup {
+fn rank_list(label: &str, items: &[RankedItem], start_rank: usize, tree: &GlobalTree) -> Markup {
html! {
@if !items.is_empty() {
h3 class="rank-heading muted small" { (label) }
ol class="rank-list" {
@for (i, r) in items.iter().enumerate() {
- li {
+ @let href = item_href(&r.item);
+ li class=(if crate::render::reddit::is_reddit_post(&r.item) { "reddit-post-row" } else { "" }) {
span class="rank-num" { (start_rank + i) ". " }
- a href=(item_href(&r.item)) {
- strong { (display_label(&r.item)) }
+ @if let Some(row) = crate::render::reddit::child_row_markup(tree, &r.item, &href) {
+ (row)
+ } @else {
+ a href=(href) {
+ strong { (display_label(&r.item)) }
+ }
}
span class="muted" {
" — "
@@ -196,9 +201,14 @@ fn unranked_list(label: &str, items: &[ItemId], tree: &GlobalTree) -> Markup {
h3 class="rank-heading muted small" { (label) }
ul class="rank-list unranked" {
@for it in items {
- li {
- a href=(item_href(it)) {
- strong { (child_label(tree, it)) }
+ @let href = item_href(it);
+ li class=(if crate::render::reddit::is_reddit_post(it) { "reddit-post-row" } else { "" }) {
+ @if let Some(row) = crate::render::reddit::child_row_markup(tree, it, &href) {
+ (row)
+ } @else {
+ a href=(href) {
+ strong { (child_label(tree, it)) }
+ }
}
}
}
@@ -253,7 +263,7 @@ pub fn ranking_panel(item: &ItemId, node: &NodeState, tree: &GlobalTree) -> Mark
} @else {
@for (gi, ranked) in ranked_groups.iter().enumerate() {
@let label = if multi { format!("Ranking group {}", gi + 1) } else { "Ranking".to_string() };
- (rank_list(&label, ranked, 1))
+ (rank_list(&label, ranked, 1, tree))
}
(unranked_list("Unranked", &unranked, tree))
}
diff --git a/server/src/lib.rs b/server/src/lib.rs
index 0677363e0ed21d244bfa065f7ec728549ddd9e50..da5f3ebecec1794b05a2a69cc78379551b2ad769 100644
--- a/server/src/lib.rs
+++ b/server/src/lib.rs
@@ -8,6 +8,7 @@ pub mod parser;
pub mod path_types;
pub mod ranking;
pub mod reddit;
+pub mod render;
pub mod reducer;
pub mod journal;
pub mod state;
diff --git a/server/src/reddit.rs b/server/src/reddit.rs
index 69d979bc7e4a1cb078f70114dc539bdc1986b574..1168ec2afc77c092514eec91b513bac301cbe225 100644
--- a/server/src/reddit.rs
+++ b/server/src/reddit.rs
@@ -608,6 +608,8 @@ fn parse_subreddit_about(v: &Value) -> Option<crate::reducer::EntityData> {
author: None,
body_html,
thumb_url,
+ image_url: None,
+ link_url: None,
})
}
@@ -635,15 +637,64 @@ fn parse_post_listing(v: &Value) -> Option<crate::reducer::EntityData> {
.and_then(|t| t.as_str())
.filter(|s| s.starts_with("http"))
.map(|s| s.to_string());
+ let image_url = reddit_post_image_url(child);
+ let link_url = reddit_post_link_url(child);
Some(crate::reducer::EntityData {
title,
author,
body_html,
thumb_url,
+ image_url,
+ link_url,
})
}
+fn reddit_post_link_url(data: &Value) -> Option<String> {
+ for key in ["url_overridden_by_dest", "url"] {
+ if let Some(u) = data.get(key).and_then(|v| v.as_str()) {
+ if u.starts_with("http") {
+ return Some(u.to_string());
+ }
+ }
+ }
+ None
+}
+
+/// Full-size still for post detail: direct image `url`, else Reddit preview source.
+fn reddit_post_image_url(data: &Value) -> Option<String> {
+ for key in ["url", "url_overridden_by_dest"] {
+ if let Some(u) = data.get(key).and_then(|v| v.as_str()) {
+ if reddit_direct_image_url(u) {
+ return Some(u.to_string());
+ }
+ }
+ }
+ reddit_preview_source_url(data)
+}
+
+fn reddit_preview_source_url(data: &Value) -> Option<String> {
+ data.pointer("/preview/images/0/source/url")
+ .and_then(|v| v.as_str())
+ .filter(|s| s.starts_with("http"))
+ .map(str::to_string)
+}
+
+fn reddit_direct_image_url(url: &str) -> bool {
+ let u = url.to_ascii_lowercase();
+ if u.contains("redgifs.com") {
+ return false;
+ }
+ u.contains("i.redd.it")
+ || u.contains("preview.redd.it")
+ || u.contains("external-preview.redd.it")
+ || u.ends_with(".jpg")
+ || u.ends_with(".jpeg")
+ || u.ends_with(".png")
+ || u.ends_with(".gif")
+ || u.ends_with(".webp")
+}
+
#[cfg(test)]
mod tests {
use super::*;
@@ -672,4 +723,20 @@ mod tests {
.unwrap();
assert_eq!(entity.title, "The Rust Programming Language");
}
+
+ #[test]
+ fn parse_post_listing_extracts_thumb_and_full_preview() {
+ let json = include_str!("../../test/fixtures/reddit/post_preview.json");
+ let v: Value = serde_json::from_str(json).unwrap();
+ let id = ItemId::parse("reddit.com/r/nsfw/comments/1tpy6a1/angel_eyes").unwrap();
+ let entity = entity_view_from_payload(&id, &v).unwrap();
+ assert_eq!(entity.title, "Angel Eyes");
+ assert!(entity.thumb_url.as_ref().unwrap().contains("width=140"));
+ assert!(entity.image_url.as_ref().unwrap().contains("auto=webp"));
+ assert!(!entity.image_url.as_ref().unwrap().contains("redgifs"));
+ assert_eq!(
+ entity.link_url.as_deref(),
+ Some("http://v3.redgifs.com/watch/impossibleprestigioushedgehog")
+ );
+ }
}
diff --git a/server/src/reducer.rs b/server/src/reducer.rs
index 4e42d0369dab50bb2f8ca664aa69b628292f6c07..336e78b77d3ab59361b89af5c9868e13da4ac962 100644
--- a/server/src/reducer.rs
+++ b/server/src/reducer.rs
@@ -122,7 +122,12 @@ pub struct EntityData {
pub title: String,
pub author: Option<String>,
pub body_html: Option<String>,
+ /// Small preview (subreddit listing / child rows).
pub thumb_url: Option<String>,
+ /// Full-size still image for the post detail view.
+ pub image_url: Option<String>,
+ /// Outbound link for link/video posts (`url` / `url_overridden_by_dest`).
+ pub link_url: Option<String>,
}
/// One node in the fractal tree: entity + ranked children.
diff --git a/server/src/render/mod.rs b/server/src/render/mod.rs
new file mode 100644
index 0000000000000000000000000000000000000000..c2c41404abe01c671139658fcccdeced5be388e4
--- /dev/null
+++ b/server/src/render/mod.rs
@@ -0,0 +1,3 @@
+//! Domain-specific HTML fragments for imported entities.
+
+pub mod reddit;
diff --git a/server/src/render/reddit.rs b/server/src/render/reddit.rs
new file mode 100644
index 0000000000000000000000000000000000000000..4a18de93cf57d8395ded3caa373a708f39b3f43f
--- /dev/null
+++ b/server/src/render/reddit.rs
@@ -0,0 +1,64 @@
+//! Reddit post cards: thumbnail in child lists, full image on the post page.
+
+use maud::{html, Markup};
+
+use crate::{
+ path_types::ItemId,
+ reducer::{EntityData, GlobalTree, NodeState},
+};
+
+pub fn is_reddit_post(id: &ItemId) -> bool {
+ id.as_str().starts_with("reddit.com/") && id.as_str().contains("/comments/")
+}
+
+/// Post detail card (`#entity-panel`).
+pub fn entity_markup(node: &NodeState) -> Option<Markup> {
+ if !is_reddit_post(&node.id) {
+ return None;
+ }
+ let data = node.data.as_ref()?;
+ Some(post_entity_card(data))
+}
+
+/// One row in a parent ranking list (thumbnail + title).
+pub fn child_row_markup(tree: &GlobalTree, id: &ItemId, href: &str) -> Option<Markup> {
+ if !is_reddit_post(id) {
+ return None;
+ }
+ let data = tree.get(id)?.data.as_ref()?;
+ Some(html! {
+ @if let Some(thumb) = &data.thumb_url {
+ a class="reddit-post-thumb-link" href=(href) {
+ img class="reddit-post-thumb" src=(thumb) alt="" loading="lazy";
+ }
+ }
+ a href=(href) {
+ strong { (data.title) }
+ }
+ })
+}
+
+fn post_entity_card(data: &EntityData) -> Markup {
+ let image = data.image_url.as_ref().or(data.thumb_url.as_ref());
+ html! {
+ div id="entity-panel" class="entity-card reddit-post" {
+ h2 { (data.title) }
+ @if let Some(author) = &data.author {
+ p class="muted small" { "by " (author) }
+ }
+ @if let Some(url) = &data.link_url {
+ p class="reddit-post-url muted small" {
+ a href=(url) rel="noopener noreferrer" { (url) }
+ }
+ }
+ @if let Some(src) = image {
+ figure class="reddit-post-figure" {
+ img class="reddit-post-image" src=(src) alt="" loading="lazy";
+ }
+ }
+ @if let Some(body) = &data.body_html {
+ div class="entity-body" { (maud::PreEscaped(body)) }
+ }
+ }
+ }
+}
diff --git a/server/static/sorter.css b/server/static/sorter.css
index 1f9f5158414902d43a380dd899232c70d8cf5d63..021918f8e778b84e4b3eac8559fab7d223a3d490 100644
--- a/server/static/sorter.css
+++ b/server/static/sorter.css
@@ -171,6 +171,41 @@ code {
margin-top: 0;
}
+.reddit-post-row {
+ display: flex;
+ align-items: center;
+ gap: 0.6rem;
+}
+
+.reddit-post-thumb-link {
+ flex-shrink: 0;
+ line-height: 0;
+}
+
+.reddit-post-thumb {
+ width: 64px;
+ height: 64px;
+ object-fit: cover;
+ border-radius: 4px;
+ border: 1px solid var(--border);
+}
+
+.reddit-post-url a {
+ word-break: break-all;
+}
+
+.reddit-post-figure {
+ margin: 0.75rem 0;
+}
+
+.reddit-post-image {
+ display: block;
+ max-width: 100%;
+ height: auto;
+ border-radius: 6px;
+ border: 1px solid var(--border);
+}
+
.scope-name {
color: var(--accent);
font-weight: 600;
diff --git a/test/fixtures/reddit/post_preview.json b/test/fixtures/reddit/post_preview.json
new file mode 100644
index 0000000000000000000000000000000000000000..c6ed31ae397dc0f7b6e07e5e010e617df78d9c18
--- /dev/null
+++ b/test/fixtures/reddit/post_preview.json
@@ -0,0 +1,22 @@
+{
+ "kind": "t3",
+ "data": {
+ "title": "Angel Eyes",
+ "permalink": "/r/nsfw/comments/1tpy6a1/angel_eyes/",
+ "author": "alice",
+ "thumbnail": "https://external-preview.redd.it/Kb6Nf5Q4RAucat-2RFcYMeQb2d6vgYNo5EPlf6kGLbs.jpeg?width=140&height=140&auto=webp&s=d7238240ebf191b954ef5f42b0cf61b67aecec88",
+ "url": "http://v3.red
… preview truncated; 410 characters omittedB — c_509fc5155034 (tommy-mor)
message
[88577c56] reconfigure
diff preview
diff --git a/server/src/api/ui_html.rs b/server/src/api/ui_html.rs
index c4ab9d65c7b3cd42a5b4d093ba429993c101e9a8..82b2aa51d21ada1d0d849d3ddfc3a81e4241d861 100644
--- a/server/src/api/ui_html.rs
+++ b/server/src/api/ui_html.rs
@@ -9,7 +9,9 @@ use crate::{
html::{js_string_literal, ranking_panel, JsBuilder},
parser::parse_reddit_url,
parser_render::navigate_panel,
- state::AppState,
+ path_types::ItemId,
+ reddit::ensure_partial_tree,
+ state::{parse_item_param, AppState},
ui_action::{parse_html_ui_from_form, HtmlUiAction},
};
@@ -25,6 +27,10 @@ fn ui_js_warn(msg: &str) -> Response {
.unwrap()
}
+fn parent_from_scope(scope: &str) -> ItemId {
+ parse_item_param(scope)
+}
+
pub async fn post_ui_html(
State(state): State<AppState>,
Form(form): Form<HashMap<String, String>>,
@@ -42,24 +48,36 @@ pub async fn post_ui_html(
ratio_right,
scope,
} => {
+ let parent = parent_from_scope(&scope);
if let Err(e) = state
- .record_vote(&scope, &a, &b, ratio_left, ratio_right)
+ .record_vote(&parent, &a, &b, ratio_left, ratio_right)
.await
{
return ui_js_warn(&e).into_response();
}
- let scope = crate::state::normalize_scope(&scope);
- let groups = state.groups.read().await;
+ let tree = state.tree.read().await;
let empty = crate::reducer::GroupState::new();
- let group = groups.get(&scope).unwrap_or(&empty);
- let panel = ranking_panel(&scope, group);
+ let group = tree
+ .get(&parent)
+ .map(|n| &n.local_ranking)
+ .unwrap_or(&empty);
+ let panel = ranking_panel(&parent, group);
JsBuilder::new()
.morph_selector("#ranking-panel", panel)
.into_response()
}
HtmlUiAction::ParseQuery { query } => match parse_reddit_url(&query) {
- Ok(subreddit) => {
- let dest = format!("/?sub={subreddit}");
+ Ok(item) => {
+ {
+ let mut tree = state.tree.write().await;
+ ensure_partial_tree(&mut tree, &item);
+ }
+ let _ = state.ensure_node(&item).await;
+ let dest = if item.is_root() {
+ "/".to_string()
+ } else {
+ format!("/?item={}", item.as_str())
+ };
JsBuilder::new()
.raw(&format!(
"window.location.href={};",
diff --git a/server/src/events.rs b/server/src/events.rs
index a862370fc840ffe02184a11c578e18239cc9474d..ed5be6b13b9d46e838831d6ce0f96f569b401730 100644
--- a/server/src/events.rs
+++ b/server/src/events.rs
@@ -5,8 +5,8 @@ use serde::{Deserialize, Serialize};
pub enum Event {
/// Page view recorded (path → counter in views.json).
ViewRecorded { path: String, ts: i64 },
- /// Pairwise comparison vote (replayed into the scope's [`crate::reducer::GroupState`] on boot).
- /// `scope` is the ranking subject (e.g. a subreddit); empty string is the default/global scope.
+ /// Pairwise comparison vote (replayed into the parent node's [`crate::reducer::GroupState`] on boot).
+ /// `scope` is the parent [`crate::path_types::ItemId`] string; empty string is the tree root.
VoteRecorded {
ts: i64,
a: String,
@@ -16,4 +16,6 @@ pub enum Event {
#[serde(default)]
scope: String,
},
+ /// Register a node path in the fractal tree (no external fetch).
+ NodeEnsured { id: String },
}
diff --git a/server/src/html/mod.rs b/server/src/html/mod.rs
index 9650d333d29c4ac94ceb407aee3ee00399c7f40b..c973cb718ac74b95570dabea76e24459417790b9 100644
--- a/server/src/html/mod.rs
+++ b/server/src/html/mod.rs
@@ -12,9 +12,10 @@ use serde::Deserialize;
use crate::{
form_template::template_json_compact,
parser_render::navigate_panel,
+ path_types::ItemId,
ranking::{top_bottom, RankedItem},
- reducer::GroupState,
- state::{normalize_scope, AppState},
+ reducer::{GroupState, NodeState},
+ state::{parse_item_param, AppState},
ui_action::UI_RPC_FIELD,
};
@@ -216,6 +217,48 @@ fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str)
}
}
+fn item_href(id: &ItemId) -> String {
+ if id.is_root() {
+ "/".to_string()
+ } else {
+ format!("/?item={}", id.as_str())
+ }
+}
+
+fn segment_label(seg: &str) -> &str {
+ seg
+}
+
+/// Generic breadcrumb trail from an [`ItemId`] path.
+pub fn breadcrumb_path(item: &ItemId) -> Markup {
+ html! {
+ nav class="breadcrumbs" aria-label="Breadcrumb" {
+ a href="/" { "Internet" }
+ @for path in item.breadcrumb_paths() {
+ @let seg = path.segments().last().map_or("", |v| *v);
+ span class="separator" { " / " }
+ a href=(item_href(&path)) { (segment_label(seg)) }
+ }
+ }
+ }
+}
+
+fn entity_panel(node: &NodeState) -> Markup {
+ html! {
+ @if let Some(data) = &node.data {
+ section id="entity-panel" class="demo-panel entity-card" {
+ h2 { (data.title) }
+ @if let Some(author) = &data.author {
+ p class="muted small" { "by " (author) }
+ }
+ @if let Some(body) = &data.body_html {
+ div class="entity-body" { (maud::PreEscaped(body)) }
+ }
+ }
+ }
+ }
+}
+
fn rank_list(label: &str, items: &[RankedItem], start_rank: usize) -> Markup {
html! {
@if !items.is_empty() {
@@ -224,7 +267,9 @@ fn rank_list(label: &str, items: &[RankedItem], start_rank: usize) -> Markup {
@for (i, r) in items.iter().enumerate() {
li {
span class="rank-num" { (start_rank + i) ". " }
- strong { (r.item.as_str()) }
+ a href=(item_href(&r.item)) {
+ strong { (display_label(&r.item)) }
+ }
span class="muted" {
" — "
({ format!("{:.1}%", r.score * 100.0) })
@@ -236,23 +281,30 @@ fn rank_list(label: &str, items: &[RankedItem], start_rank: usize) -> Markup {
}
}
-pub fn ranking_panel(scope: &str, group: &GroupState) -> Markup {
+fn display_label(id: &ItemId) -> String {
+ id.segments()
+ .last()
+ .map_or("Internet", |v| *v)
+ .to_string()
+}
+
+pub fn ranking_panel(item: &ItemId, group: &GroupState) -> Markup {
let total = group.idx_to_item.len();
let (top, bottom) = top_bottom(group, 8);
html! {
section id="ranking-panel" class="demo-panel" {
h2 {
"Ranking"
- @if !scope.is_empty() {
- " — " span class="scope-name" { "r/" (scope) }
+ @if !item.is_root() {
+ " — " span class="scope-name" { (item.as_str()) }
}
}
@if total == 0 {
p class="muted" {
- @if scope.is_empty() {
+ @if item.is_root() {
"No votes yet — compare two items below."
} @else {
- "No votes yet for r/" (scope) " — compare two items below to start the ranking."
+ "No votes yet for " (item.as_str()) " — compare two items below to start the ranking."
}
}
} @else {
@@ -266,7 +318,8 @@ pub fn ranking_panel(scope: &str, group: &GroupState) -> Markup {
}
}
-pub fn vote_panel(scope: &str) -> Markup {
+pub fn vote_panel(parent: &ItemId) -> Markup {
+ let parent_str = parent.as_str();
let rpc = template_json_compact(&serde_json::json!({
"action": "record_vote",
"a": {"$form": "item_a"},
@@ -280,16 +333,17 @@ pub fn vote_panel(scope: &str) -> Markup {
section id="vote-panel" class="demo-panel" {
h2 { "Compare" }
p class="muted small" {
- @if scope.is_empty() {
+ @if parent.is_root() {
"Left item wins at 2:1. Votes append to the JSONL log and update rank centrality."
} @else {
- "Ranking " span class="scope-name" { "r/" (scope) }
+ "Ranking children of "
+ span class="scope-name" { (parent_str) }
". Left item wins at 2:1; each vote updates this ranking."
}
}
form method="post" action="/ui" id="vote-form" {
input type="hidden" name=(UI_RPC_FIELD) value=(rpc);
- input type="hidden" name="scope" value=(scope);
+ input type="hidden" name="scope" value=(parent_str);
div class="vote-fields" {
label {
"Left (wins) "
@@ -329,17 +383,30 @@ pub async fn home(
let views = state.views.get_views(&path);
let theme = theme_from_jar(&jar);
let theme_next = theme_next_from_uri(&uri);
- let scope = normalize_scope(&query_param(&uri, "sub").unwrap_or_default());
- let groups = state.groups.read().await;
- let empty = GroupState::new();
- let group = groups.get(&scope).unwrap_or(&empty);
+ let item_raw = query_param(&uri, "item")
+ .or_else(|| query_param(&uri, "sub").map(|sub| {
+ if sub.is_empty() {
+ String::new()
+ } else {
+ format!("reddit.com/r/{sub}")
+ }
+ }))
+ .unwrap_or_default();
+ let item = parse_item_param(&item_raw);
+
+ let tree = state.tree.read().await;
+ let empty_node = NodeState::default();
+ let node = tree.get(&item).unwrap_or(&empty_node);
+ let group = &node.local_ranking;
let body = html! {
h1 { "sorter2" }
+ (breadcrumb_path(&item))
(navigate_panel("", None))
- (vote_panel(&scope))
- (ranking_panel(&scope, group))
+ (entity_panel(node))
+ (vote_panel(&item))
+ (ranking_panel(&item, group))
};
layout("sorter2", body, views, theme, &theme_next)
}
diff --git a/server/src/journal.rs b/server/src/journal.rs
new file mode 100644
index 0000000000000000000000000000000000000000..b02ca025683621470ffdf8cd85cf9b85c56d024d
--- /dev/null
+++ b/server/src/journal.rs
@@ -0,0 +1,89 @@
+use std::sync::Arc;
+
+use tokio::sync::{mpsc, oneshot, RwLock};
+
+use crate::{
+ event_log::EventLog,
+ events::Event,
+ path_types::ItemId,
+ reducer::{GlobalTree, VoteData},
+};
+
+pub struct JournalCommand {
+ pub parent: ItemId,
+ pub vote: VoteData,
+ pub event: Event,
+ pub reply: oneshot::Sender<Result<(), String>>,
+}
+
+#[derive(Clone)]
+pub struct JournalClient {
+ tx: mpsc::Sender<JournalCommand>,
+}
+
+impl JournalClient {
+ pub fn spawn(tree: Arc<RwLock<GlobalTree>>, event_log: Arc<EventLog>) -> Self {
+ let (tx, rx) = mpsc::channel(64);
+ tokio::spawn(journal_worker(rx, tree, event_log));
+ Self { tx }
+ }
+
+ pub async fn record_vote(
+ &self,
+ parent: ItemId,
+ vote: VoteData,
+ event: Event,
+ ) -> Result<(), String> {
+ let (reply, rx) = oneshot::channel();
+ self.tx
+ .send(JournalCommand {
+ parent,
+ vote,
+ event,
+ reply,
+ })
+ .await
+ .map_err(|_| "journal worker stopped".to_string())?;
+ rx.await
+ .map_err(|_| "journal worker stopped".to_string())?
+ }
+}
+
+async fn journal_worker(
+
… preview truncated; 29,088 characters omittedHardlinks — judgments / attempts / prompt
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