You are a constitutional council ranking individual git commits for ownership allocation. Compare these two commits. Decide which contributed more lasting value to the project. Judge substance, not spectacle: - Prefer correct, lasting design and real bugfixes over churn, formatting, renames, or generated noise. - Prefer clarity and necessity over sheer line count. A small precise change can beat a large diffuse one. - Do not favor a side merely because its patch is longer or noisier. - Weight what the change does for the project, not the contributor's name. Return ONLY a JSON object: {"winner": "A" or "B", "ratio": "N:M", "explanation": "..."} The explanation must cite concrete differences in the patches (1-3 sentences). Side A — contributor: tommy-mor Side A — commit message: [8d5328d3] -theme Side A — unified diff (full patch): diff --git a/server/src/api/ui_html.rs b/server/src/api/ui_html.rs index 82b2aa51d21ada1d0d849d3ddfc3a81e4241d861..e74e42e0f0ffc4224f5ef5421b486a5f35434999 100644 --- a/server/src/api/ui_html.rs +++ b/server/src/api/ui_html.rs @@ -73,11 +73,7 @@ pub async fn post_ui_html( 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()) - }; + let dest = item.browse_href(); JsBuilder::new() .raw(&format!( "window.location.href={};", diff --git a/server/src/html/mod.rs b/server/src/html/mod.rs index c973cb718ac74b95570dabea76e24459417790b9..a8353c6de0cd6d268219e552b7ca1ba4e3000585 100644 --- a/server/src/html/mod.rs +++ b/server/src/html/mod.rs @@ -1,13 +1,10 @@ use axum::{ body::Body, extract::{Path, State}, - http::{header, HeaderValue, StatusCode, Uri}, + http::{header, StatusCode, Uri}, response::{IntoResponse, Response}, - Form, }; -use axum_extra::extract::cookie::CookieJar; use maud::{html, Markup, DOCTYPE}; -use serde::Deserialize; use crate::{ form_template::template_json_compact, @@ -15,96 +12,25 @@ use crate::{ path_types::ItemId, ranking::{top_bottom, RankedItem}, reducer::{GroupState, NodeState}, - state::{parse_item_param, AppState}, + state::AppState, ui_action::UI_RPC_FIELD, }; -const THEME_DEFAULT_CSS: &str = include_str!("../../static/theme_default.css"); -const THEME_RETRO_CSS: &str = include_str!("../../static/theme_retro.css"); +const SORTER_CSS: &str = include_str!("../../static/sorter.css"); const SORTER_UI_JS: &str = include_str!("../../static/sorter_ui.js"); -pub const SORTER_THEME_COOKIE: &str = "sorter-theme"; - -pub fn normalize_theme(raw: &str) -> &'static str { - match raw { - "retro" => "retro", - _ => "default", - } -} - -pub fn theme_from_jar(jar: &CookieJar) -> &'static str { - jar.get(SORTER_THEME_COOKIE) - .map(|c| normalize_theme(c.value())) - .unwrap_or("default") -} - -pub fn theme_next_from_uri(uri: &Uri) -> String { - uri.path_and_query() - .map(|pq| pq.as_str().to_string()) - .filter(|s| !s.is_empty()) - .unwrap_or_else(|| "/".to_string()) -} - -pub fn theme_cookie_header_value(theme: &str) -> HeaderValue { - let t = normalize_theme(theme); - let s = format!("{SORTER_THEME_COOKIE}={t}; Path=/; SameSite=Lax; Max-Age=31536000"); - HeaderValue::from_str(&s).expect("theme cookie must be ASCII") -} - -fn sanitize_theme_next(next: Option<&str>) -> String { - let s = next.unwrap_or("/").trim(); - if s.starts_with('/') && !s.starts_with("//") && s.len() < 8192 { - s.to_string() - } else { - "/".to_string() - } -} - -#[derive(Debug, Deserialize)] -pub struct ThemeForm { - theme: String, - next: Option, -} - -pub async fn post_theme(Form(form): Form) -> impl IntoResponse { - let theme = normalize_theme(&form.theme); - let next = sanitize_theme_next(form.next.as_deref()); - let loc = - HeaderValue::try_from(next.as_str()).unwrap_or_else(|_| HeaderValue::from_static("/")); - Response::builder() - .status(StatusCode::SEE_OTHER) - .header(header::LOCATION, loc) - .header(header::SET_COOKIE, theme_cookie_header_value(theme)) - .body(Body::empty()) - .expect("theme redirect response") -} - pub async fn serve_static(Path(filename): Path) -> impl IntoResponse { - if filename == "sorter_ui.js" { - return Response::builder() - .status(StatusCode::OK) - .header(header::CONTENT_TYPE, "text/javascript; charset=utf-8") - .header(header::CACHE_CONTROL, "public, max-age=3600") - .body(SORTER_UI_JS.to_string()) - .unwrap() - .into_response(); - } - - let theme = filename - .strip_prefix("theme_") - .and_then(|s| s.strip_suffix(".css")); - - let css = match theme { - Some("default") => THEME_DEFAULT_CSS, - Some("retro") => THEME_RETRO_CSS, + let (content_type, body) = match filename.as_str() { + "sorter.css" => ("text/css; charset=utf-8", SORTER_CSS), + "sorter_ui.js" => ("text/javascript; charset=utf-8", SORTER_UI_JS), _ => return (StatusCode::NOT_FOUND, "static file not found").into_response(), }; Response::builder() .status(StatusCode::OK) - .header(header::CONTENT_TYPE, "text/css; charset=utf-8") + .header(header::CONTENT_TYPE, content_type) .header(header::CACHE_CONTROL, "public, max-age=3600") - .body(css.to_string()) + .body(body.to_string()) .unwrap() .into_response() } @@ -162,8 +88,7 @@ fn asset_version() -> &'static str { V.get_or_init(|| { use std::hash::{Hash, Hasher}; let mut h = std::collections::hash_map::DefaultHasher::new(); - THEME_DEFAULT_CSS.hash(&mut h); - THEME_RETRO_CSS.hash(&mut h); + SORTER_CSS.hash(&mut h); SORTER_UI_JS.hash(&mut h); format!("{:x}", h.finish()) }) @@ -176,9 +101,9 @@ pub fn now_ms() -> i64 { t.as_millis() as i64 } -fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str) -> Markup { +fn layout(title: &str, body: Markup, views: u64) -> Markup { let ver = asset_version(); - let css_href = format!("/static/theme_{theme}.css?v={ver}"); + let css_href = format!("/static/sorter.css?v={ver}"); let js_src = format!("/static/sorter_ui.js?v={ver}"); html! { (DOCTYPE) @@ -187,7 +112,7 @@ fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str) meta charset="utf-8"; meta name="viewport" content="width=device-width, initial-scale=1"; title { (title) } - link rel="stylesheet" href=(css_href) id="theme-stylesheet"; + link rel="stylesheet" href=(css_href); script src="https://unpkg.com/idiomorph@0.3.0/dist/idiomorph.min.js" {} } body class="home" { @@ -196,21 +121,6 @@ fn layout(title: &str, body: Markup, views: u64, theme: &str, theme_next: &str) } div id="errors" {} (body) - div id="controls" { - a href="https://github.com/sortersocial/sorter2" id="src-link" { "src" } - form id="sorter-theme-form" method="post" action="/theme" data-navigate="full" { - input type="hidden" name="next" value=(theme_next); - select id="theme-select" name="theme" onchange="this.form.submit()" aria-label="Theme" { - @for (val, label) in [("default", "default"), ("retro", "retro")] { - @if theme == val { - option value=(val) selected { (label) } - } @else { - option value=(val) { (label) } - } - } - } - } - } script src=(js_src) {} } } @@ -218,11 +128,7 @@ 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()) - } + id.browse_href() } fn segment_label(seg: &str) -> &str { @@ -361,39 +267,10 @@ pub fn vote_panel(parent: &ItemId) -> Markup { } -fn query_param(uri: &Uri, key: &str) -> Option { - let q = uri.query()?; - q.split('&').find_map(|pair| { - let mut it = pair.splitn(2, '='); - if it.next()? == key { - Some(it.next().unwrap_or("").to_string()) - } else { - None - } - }) -} - -pub async fn home( - State(state): State, - jar: CookieJar, - uri: Uri, -) -> impl IntoResponse { +async fn item_page(state: AppState, uri: Uri, item: ItemId) -> Markup { let path = uri.path().to_string(); state.views.increment(path.clone()); let views = state.views.get_views(&path); - let theme = theme_from_jar(&jar); - let theme_next = theme_next_from_uri(&uri); - - 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(); @@ -408,5 +285,14 @@ pub async fn home( (vote_panel(&item)) (ranking_panel(&item, group)) }; - layout("sorter2", body, views, theme, &theme_next) + layout("sorter2", body, views) +} + +pub async fn home(State(state): State, uri: Uri) -> impl IntoResponse { + item_page(state, uri, ItemId::root()).await +} + +pub async fn browse(State(state): State, uri: Uri) -> impl IntoResponse { + let item = ItemId::from_browse_uri(uri.path()).unwrap_or(ItemId::root()); + item_page(state, uri, item).await } diff --git a/server/src/lib.rs b/server/src/lib.rs index 14e7cfbc38feb5d07aff859b64bce6e2ec45cf91..cd56743192919cf4dcea539b3d8873a21fb7e72b 100644 --- a/server/src/lib.rs +++ b/server/src/lib.rs @@ -30,9 +30,9 @@ pub fn create_app(state: AppState) -> Router { Router::new() .route("/healthz", get(|| async { "ok" })) .route("/static/:filename", get(crate::html::serve_static)) + .route("/~/*item_path", get(crate::html::browse)) .route("/", get(crate::html::home)) .route("/ui", post(crate::api::ui_html::post_ui_html)) - .route("/theme", post(crate::html::post_theme)) .with_state(state) .layer(TraceLayer::new_for_http()) } diff --git a/server/src/path_types.rs b/server/src/path_types.rs index b5c41444f7bcd4d8d289ed3af464bc3f14d0df99..12dce9888f5cd4e1a0974d12d6468368d0f775b9 100644 --- a/server/src/path_types.rs +++ b/server/src/path_types.rs @@ -90,6 +90,50 @@ impl ItemId { paths } + /// Full URL for the browser location bar after `/~/`. + pub fn to_browse_url(&self) -> String { + if self.is_root() { + return String::new(); + } + if self.as_str().contains("://") { + return self.as_str().to_string(); + } + if self + .segments() + .first() + .is_some_and(|s| s.contains('.')) + { + format!("https://{}", self.as_str()) + } else { + self.as_str().to_string() + } + } + + /// App route, e.g. `/~/https://reddit.com/r/rust`. + pub fn browse_href(&self) -> String { + if self.is_root() { + "/".to_string() + } else { + format!("/~/{}", self.to_browse_url()) + } + } + + /// Parse the tail after `/~/` in a request path. + pub fn from_browse_tail(tail: &str) -> ItemId { + let raw = normalize_browse_tail(tail); + if raw.is_empty() { + return ItemId::root(); + } + ItemId::from_url(&raw) + .or_else(|| ItemId::parse(&raw)) + .unwrap_or_else(|| ItemId::opaque(raw)) + } + + pub fn from_browse_uri(path: &str) -> Option { + path.strip_prefix("/~/") + .map(ItemId::from_browse_tail) + } + fn canonicalize(raw: &str) -> Option { let s = raw.trim(); if s.is_empty() { @@ -155,6 +199,21 @@ fn normalize_host(host: &str) -> String { } } +fn normalize_browse_tail(tail: &str) -> String { + let t = tail.trim(); + if t.is_empty() { + return String::new(); + } + // Some HTTP stacks collapse `https://` → `https:/` inside a path segment. + if t.starts_with("https:/") && !t.starts_with("https://") { + return format!("https://{}", &t[7..]); + } + if t.starts_with("http:/") && !t.starts_with("http://") { + return format!("http://{}", &t[6..]); + } + t.to_string() +} + fn normalize_reddit_host_path(s: &str) -> String { let (host, path) = s.split_once('/').unwrap_or((s, "")); let host = normalize_host(host); @@ -252,4 +311,22 @@ mod tests { ); assert!(ItemId::from_legacy_scope("").is_root()); } + + #[test] + fn browse_href_wraps_canonical_path() { + let id = ItemId::parse("reddit.com/r/rust").unwrap(); + assert_eq!(id.browse_href(), "/~/https://reddit.com/r/rust"); + } + + #[test] + fn from_browse_tail_parses_full_url() { + let id = ItemId::from_browse_tail("https://reddit.com/r/AmITheAsshole"); + assert_eq!(id.as_str(), "reddit.com/r/amitheasshole"); + } + + #[test] + fn from_browse_uri_strips_prefix() { + let id = ItemId::from_browse_uri("/~/https://reddit.com/r/rust").unwrap(); + assert_eq!(id.as_str(), "reddit.com/r/rust"); + } } diff --git a/server/static/sorter_ui.js b/server/static/sorter_ui.js index 9c475d8e076ba527aaf7a25c177d0d651bd46ca9..d9b016f197547f37ca4b2bcdd7ee6b673d0fb3f0 100644 --- a/server/static/sorter_ui.js +++ b/server/static/sorter_ui.js @@ -24,7 +24,6 @@ var f = e.target; if (!f || f.tagName !== 'FORM') return; if ((f.method || 'get').toLowerCase() !== 'post') return; - if (f.id === 'sorter-theme-form') return; if (f.getAttribute('data-navigate') === 'full') return; e.preventDefault(); await postUiForm(f); diff --git a/server/static/theme_default.css b/server/static/theme_default.css deleted file mode 100644 index 1bf8ac7a25207336c019f93cd4119bd0e06229f0..0000000000000000000000000000000000000000 --- a/server/static/theme_default.css +++ /dev/null @@ -1,186 +0,0 @@ -:root { - --bg: #0f1115; - --fg: #e8eaed; - --muted: #9aa0a6; - --accent: #7cacf8; - --panel: #1a1d24; - --border: #2a2f3a; -} - -* { - box-sizing: border-box; -} - -body { - margin: 0; - font-family: system-ui, -apple-system, sans-serif; - background: var(--bg); - color: var(--fg); - line-height: 1.5; -} - -.muted { - color: var(--muted); -} - -.small { - font-size: 0.875rem; -} - -.view-meta { - position: fixed; - top: 0.5rem; - right: 0.5rem; - font-size: 0.75rem; -} - -#controls { - position: fixed; - bottom: 0; - left: 0; - right: 0; - display: flex; - gap: 1rem; - align-items: center; - padding: 0.75rem 1rem; - background: var(--panel); - border-top: 1px solid var(--border); - font-size: 0.875rem; -} - -#controls a { - color: var(--accent); -} - -.demo-panel { - max-width: 40rem; - margin: 4rem auto 6rem; - padding: 2rem; - background: var(--panel); - border: 1px solid var(--border); - border-radius: 8px; -} - -.demo-panel h1 { - margin-top: 0; -} - -.btn-primary { - background: var(--accent); - color: #0f1115; - border: none; - padding: 0.5rem 1rem; - border-radius: 4px; - font-size: 1rem; - cursor: pointer; -} - -.btn-primary:hover { - filter: brightness(1.1); -} - -code { - font-size: 0.85em; - background: var(--bg); - padding: 0.1em 0.35em; - border-radius: 3px; -} - -.vote-fields { - display: flex; - flex-direction: column; - gap: 0.75rem; - margin-bottom: 1rem; -} - -.vote-fields label { - display: flex; - flex-direction: column; - gap: 0.25rem; -} - -.vote-fields input { - padding: 0.4rem 0.5rem; - border: 1px solid var(--border); - border-radius: 4px; - background: var(--bg); - color: var(--fg); -} - -.rank-list { - margin: 0; - padding-left: 0; - list-style: none; -} - -.rank-list li { - margin-bottom: 0.35rem; -} - -.rank-num { - color: var(--muted); -} - -#parser-input { - width: 100%; - padding: 0.5rem; - border: 1px solid var(--border); - border-radius: 4px; - background: var(--bg); - color: var(--fg); - font-size: 1rem; - font-family: inherit; - resize: vertical; -} - -#parser-form .btn-primary { - margin-top: 0.5rem; -} - -.breadcrumbs { - font-size: 0.875rem; - margin-bottom: 1rem; - color: var(--muted); -} - -.breadcrumbs a { - color: var(--accent); - text-decoration: none; -} - -.breadcrumbs a:hover { - text-decoration: underline; -} - -.breadcrumbs .separator { - color: var(--muted); -} - -.rank-list a { - color: var(--accent); - text-decoration: none; -} - -.rank-list a:hover { - text-decoration: underline; -} - -.entity-card h2 { - margin-top: 0; -} - -.scope-name { - color: var(--accent); - font-weight: 600; -} - -.rank-heading { - margin: 0.75rem 0 0.25rem; - text-transform: uppercase; - letter-spacing: 0.04em; -} - -.rank-gap { - text-align: center; - margin: 0.25rem 0; -} diff --git a/server/static/theme_retro.css b/server/static/theme_retro.css deleted file mode 100644 index ceee99494b873a6e658857be97f02ee739db85e9..0000000000000000000000000000000000000000 --- a/server/static/theme_retro.css +++ /dev/null @@ -1,5 +0,0 @@ -@import url("/static/theme_default.css"); - -:root { - --accent: #f4a261; -} diff --git a/server/tests/integration_ui.rs b/server/tests/integration_ui.rs index f7ac9c26bf9f9277ad5f5708603224c095165fb8..df7d9ab357531c5146d0b326c149fdaa6b531a4a 100644 --- a/server/tests/integration_ui.rs +++ b/server/tests/integration_ui.rs @@ -70,6 +70,22 @@ async fn post_ui_record_vote_morphs_ranking_and_persists() { assert_eq!(ranked[0].item.as_str(), "alpha"); } +#[tokio::test] +async fn browse_url_renders_subreddit_page() { + let (addr, _tmp) = start_test_server().await; + let client = reqwest::Client::new(); + let html = client + .get(format!("http://{addr}/~/https://reddit.com/r/rust")) + .send() + .await + .unwrap() + .text() + .await + .unwrap(); + assert!(html.contains("ranking-panel")); + assert!(html.contains("/~/https://reddit.com/r/rust")); +} + #[tokio::test] async fn post_ui_parse_query_redirects_to_subreddit() { let (addr, _tmp) = start_test_server().await; @@ -93,5 +109,5 @@ async fn post_ui_parse_query_redirects_to_subreddit() { .unwrap(); assert!(body.contains("window.location.href")); - assert!(body.contains("/?item=reddit.com/r/rust")); + assert!(body.contains("/~/https://reddit.com/r/rust")); } Side B — contributor: tommy-mor Side B — commit message: [1531154d] dequeue -> vec Side B — unified diff (full patch): diff --git a/server/src/projection_apply.rs b/server/src/projection_apply.rs index 9c8990a8af927f35d3344c8d0872a516aba56b86..ad404bacb8bcdd5ae0e682cff97f974fd44528ea 100644 --- a/server/src/projection_apply.rs +++ b/server/src/projection_apply.rs @@ -6,8 +6,6 @@ //! batch as the (non-idempotent) edge merges guarantees exactly-once application //! across replay. -use std::collections::BTreeSet; - use crate::{ event_log::EventLogError, events::{Event, EventRecord}, @@ -44,7 +42,6 @@ pub fn apply_records( let db = projection_store.db(); let mut batch = db.batch(); - let mut vote_parents: BTreeSet = BTreeSet::new(); let mut last_seq = 0u64; for record in records { @@ -70,7 +67,6 @@ pub fn apply_records( *ts, ) .map_err(|e| EventLogError::Apply(e.to_string()))?; - vote_parents.insert(parent); } Event::NodeEnsured { id } => { let parsed = parse_event_id(id)?; @@ -85,11 +81,5 @@ pub fn apply_records( .commit_with(durable::Durability::DisableWal) .map_err(|e| EventLogError::Apply(e.to_string()))?; - for parent in vote_parents { - projection_store - .trim_recent_votes(&parent) - .map_err(|e| EventLogError::Apply(e.to_string()))?; - } - Ok(()) } diff --git a/server/src/projection_store.rs b/server/src/projection_store.rs index 8576d671f351004426207894ac35594ddb0f70cf..9a8953d010029d3639dc3987687554bab8b7663e 100644 --- a/server/src/projection_store.rs +++ b/server/src/projection_store.rs @@ -18,7 +18,7 @@ use crate::{ const PROJECTION_CURSOR_KEY: &str = "cursor"; const PROJECTION_SCHEMA_KEY: &str = "schema_version"; -const PROJECTION_SCHEMA_VERSION: u64 = 3; +const PROJECTION_SCHEMA_VERSION: u64 = 4; #[derive(Debug, thiserror::Error)] pub enum ProjectionStoreError { @@ -142,16 +142,6 @@ impl ProjectionStore { Ok(tree) } - /// Cap a node's recent-vote window after applying votes (best-effort, blind). - pub(crate) fn trim_recent_votes(&self, parent: &ItemId) -> Result<(), ProjectionStoreError> { - node(parent).recent_votes().truncate_back( - &self.db, - crate::storage_schema::RECENT_VOTES_CAP, - Durability::DisableWal, - )?; - Ok(()) - } - /// Cache Reddit display content outside the event log (must be evicted per policy). pub fn put_ephemeral_content( &self, diff --git a/server/src/reducer.rs b/server/src/reducer.rs index 0c75c85150bb9e5f578bbadf58b3e43f8a80be4b..759918b8c0eb8f8bf1ed0911d8877adaa55c8ea6 100644 --- a/server/src/reducer.rs +++ b/server/src/reducer.rs @@ -1,4 +1,4 @@ -use std::collections::{HashMap, HashSet, VecDeque}; +use std::collections::{HashMap, HashSet}; use serde::{Deserialize, Serialize}; @@ -52,7 +52,7 @@ pub struct GroupState { pub idx_to_item: Vec, pub edges: HashMap<(usize, usize), f64>, pub voted_pairs: HashSet<(usize, usize)>, - pub recent_votes: VecDeque, + pub recent_votes: Vec, } impl GroupState { @@ -62,7 +62,7 @@ impl GroupState { idx_to_item: Vec::new(), edges: HashMap::new(), voted_pairs: HashSet::new(), - recent_votes: VecDeque::with_capacity(200), + recent_votes: Vec::new(), } } @@ -111,10 +111,7 @@ impl GroupState { self.add_edge_weight(b_idx, a_idx, w_a); self.add_edge_weight(a_idx, b_idx, w_b); - self.recent_votes.push_front(vote); - while self.recent_votes.len() > 200 { - self.recent_votes.pop_back(); - } + self.recent_votes.push(vote); } } diff --git a/server/src/storage_dto.rs b/server/src/storage_dto.rs index 9dfb13c53efe4389277625a6ab3bfc18f566a453..3fd6db5cb909ac4896bd8a3ecace796de5f08781 100644 --- a/server/src/storage_dto.rs +++ b/server/src/storage_dto.rs @@ -39,7 +39,7 @@ pub struct StoredEntityDataV1 { pub link_url: Option, } -/// One vote stored in a node's `recent_votes` deque. +/// One vote stored in a node's `recent_votes` list. #[derive(Debug, Clone, Serialize, Deserialize)] pub struct StoredVoteV1 { pub version: u32, diff --git a/server/src/storage_schema.rs b/server/src/storage_schema.rs index bd26e665e084b95b10fdfff091c31e8dc84d07b8..5d2bb1d56927fb61c7c6d2d8602bd6882327f862 100644 --- a/server/src/storage_schema.rs +++ b/server/src/storage_schema.rs @@ -2,13 +2,13 @@ //! durable collections instead of one blob per node. //! //! A vote updates a handful of keys: a few edge-weight merges, a voted-pair flag, -//! a recent-vote deque push, and child-link set entries. The in-memory +//! a recent-vote list append, and child-link set entries. The in-memory //! [`crate::reducer::GroupState`] is reconstructed from these keys on read for //! rank-centrality. use std::collections::{BTreeSet, HashMap, HashSet}; -use durable::{Batch, Db, Deque, Durable, Leaf, Map, Sum}; +use durable::{Batch, Db, Durable, Leaf, List, Map, Sum}; use crate::{ path_types::ItemId, @@ -38,8 +38,8 @@ pub struct NodeSchema { pub edges: Map>, /// Voted pairs `(min, max) -> true`. pub voted_pairs: Map>, - /// Recent votes, newest at the front (capped on write). - pub recent_votes: Deque>, + /// Recent votes, append-only oldest-first (cap applied on read). + pub recent_votes: List>, /// When ephemeral Reddit display content was last fetched (ms); absent after eviction. pub fetched_at: Leaf, } @@ -55,7 +55,7 @@ pub struct Store { pub view_meta: Map>, } -/// Cap on the per-node recent-vote window (matches the in-memory reducer). +/// Max recent votes returned when loading a node (query-time cap only). pub const RECENT_VOTES_CAP: u64 = 200; fn id_key(id: &ItemId) -> String { @@ -148,11 +148,14 @@ fn build_group_state( } } - // Deque is front=newest; in-memory VecDeque is also front=newest. - let mut recent_votes = std::collections::VecDeque::new(); - for stored in np.recent_votes().iter(db)? { - recent_votes.push_back(decode_vote(stored).map_err(durable::Error::Deserialize)?); - } + // List is index order (oldest first); keep the newest RECENT_VOTES_CAP entries. + let stored = np.recent_votes().iter(db)?; + let cap = RECENT_VOTES_CAP as usize; + let start = stored.len().saturating_sub(cap); + let recent_votes = stored[start..] + .iter() + .map(|s| decode_vote(s.clone()).map_err(durable::Error::Deserialize)) + .collect::, _>>()?; Ok(GroupState { item_to_idx, @@ -248,7 +251,7 @@ pub fn vote_writes( }; batch.write(pnode.voted_pairs().key(&(lo, hi)).set(&true)); - // Recent votes (newest at front). + // Recent votes (append-only; cap on read). let stored = encode_vote(&VoteData { ts, a: a_id, @@ -260,7 +263,7 @@ pub fn vote_writes( delegate: None, thread_tag: "default".to_string(), }); - batch.push_front(&pnode.recent_votes(), &stored)?; + batch.push(&pnode.recent_votes(), &stored)?; Ok(()) } @@ -314,6 +317,35 @@ mod tests { assert!(load_node_state(&db, &parent).unwrap().is_none()); } + #[test] + fn load_caps_recent_votes_at_query_time() { + let dir = tempfile::tempdir().unwrap(); + let db = Db::open(dir.path()).unwrap(); + let parent = ItemId::root(); + + let mut batch = db.batch(); + for i in 0..RECENT_VOTES_CAP + 10 { + vote_writes(&mut batch, &parent, "alpha", "beta", 1, 0, i as i64).unwrap(); + } + batch.commit().unwrap(); + + assert_eq!( + node(&parent).recent_votes().len(&db).unwrap(), + RECENT_VOTES_CAP + 10 + ); + + let node_state = load_node_state(&db, &parent).unwrap().unwrap(); + assert_eq!(node_state.local_ranking.recent_votes.len(), RECENT_VOTES_CAP as usize); + assert_eq!( + node_state.local_ranking.recent_votes.first().map(|v| v.ts), + Some(10) + ); + assert_eq!( + node_state.local_ranking.recent_votes.last().map(|v| v.ts), + Some(RECENT_VOTES_CAP as i64 + 9) + ); + } + #[test] fn missing_node_is_none() { let dir = tempfile::tempdir().unwrap();