Side A turns the previously stubbed-out Reddit import into a real, working feature: a background worker with OAuth token management, rate-limit handling/backoff, dedup, JSON parsing for both subreddits and post listings, wired into the UI, plus solid unit tests for URL mapping and parsing. Side B is a valuable refactor (bridge-based pair suggestion algorithm, ID-normalization fix, morph-based vote UI, test infra cleanup), but it builds on and refines functionality that side A actually introduced, making A's contribution more foundational and self-contained.
constitution · epochs · watch · epoch 3
comparison
c_c124c217f89c (tommy-mor) vs c_af08bd851e49 (tommy-mor)
download prompt · raw event · cmp_7378dd5a25f791
council reasoning
B delivers the core pairwise-vote product surface (vote.rs UI, in-place morph after record instead of navigation churn) plus lasting algorithmic design in pair.rs (bridge-first unvoted pair selection with tests) and real ID correctness via ItemId::from_storage. A is substantial Reddit ingestion plumbing (worker, OAuth, rate limits, parsers) that replaces a stub, but it is more peripheral integration than B’s ranking-loop and path-normalization work.
Side A implements a substantial new Reddit integration: it adds an asynchronous background fetch broker with request deduplication, OAuth support, rate-limit/backoff handling, JSON parsing into project entities, automatic fetch triggering from browsing and item creation, and supporting tests. Side B contains useful refactoring and new pairwise voting UI logic (including pair selection, morph updates, and item ID normalization), but much of it reorganizes or extends existing UI behavior, whereas Side A introduces a major new subsystem with lasting functionality.
sides
A — c_c124c217f89c (tommy-mor)
message
[8d8230d1] reddit
diff preview
diff --git a/.gitignore b/.gitignore
index 4c7073f9fac0c30fd2050d79a60ef447af58ebeb..ada462e900d24a3a6d08165d158c80f79c35a5a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
data/
repomix-output.xml
dev-data/
+.env
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 7906a8547d56b8e6a48ef59c37aa82a8510fdee9..4677fedcb45292eebebe7e9cf6ce2f5738f18ddf 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -16,6 +16,7 @@ tower = "0.5"
tower-http = { version = "0.5", features = ["trace"] }
tracing = "0.1"
tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+reqwest = { version = "0.12", features = ["json"] }
[dev-dependencies]
reqwest = { version = "0.12", features = ["json"] }
diff --git a/server/src/html/mod.rs b/server/src/html/mod.rs
index 2864407ed6e8ec284a1dc663acf1805534566b62..df6505021d9f446c2b453e20e3eb3cf696a111f9 100644
--- a/server/src/html/mod.rs
+++ b/server/src/html/mod.rs
@@ -272,5 +272,16 @@ pub async fn home(State(state): State<AppState>, uri: Uri) -> impl IntoResponse
pub async fn browse(State(state): State<AppState>, uri: Uri) -> impl IntoResponse {
let item = ItemId::from_browse_uri(uri.path()).unwrap_or(ItemId::root());
+ if item.as_str().starts_with("reddit.com") {
+ let needs_fetch = {
+ let tree = state.tree.read().await;
+ tree.get(&item)
+ .map(|n| n.data.is_none())
+ .unwrap_or(true)
+ };
+ if needs_fetch {
+ state.reddit.request_fetch(item.clone());
+ }
+ }
item_page(state, uri, item).await
}
diff --git a/server/src/reddit.rs b/server/src/reddit.rs
index d203dca09245daf869b3aa942898447700ae69fb..90053ad03b1d7c8e94f325dd4ee64c2b4f7da900 100644
--- a/server/src/reddit.rs
+++ b/server/src/reddit.rs
@@ -1,4 +1,12 @@
-//! Reddit API import (async, decoupled from UI request path).
+//! Reddit API import via a single background worker (rate limits, dedup, backoff).
+
+use std::collections::{HashMap, HashSet};
+use std::sync::Arc;
+use std::time::{Duration, Instant};
+
+use reqwest::{header, Client, StatusCode};
+use serde::Deserialize;
+use tokio::sync::{mpsc, RwLock};
use crate::{
path_types::ItemId,
@@ -10,12 +18,401 @@ pub fn ensure_partial_tree(tree: &mut GlobalTree, id: &ItemId) {
tree.ensure_path(id);
}
-/// Placeholder for Reddit JSON import. Returns entity data when implemented.
-pub async fn fetch_reddit_entity(_id: &ItemId) -> Option<EntityData> {
- None
+pub struct RedditCommand {
+ pub id: ItemId,
+}
+
+#[derive(Clone)]
+pub struct RedditBroker {
+ tx: mpsc::Sender<RedditCommand>,
+}
+
+#[derive(Clone)]
+struct RedditCredentials {
+ client_id: String,
+ client_secret: String,
+}
+
+struct OAuthToken {
+ access_token: String,
+ expires_at: Instant,
+}
+
+impl RedditBroker {
+ pub fn spawn(tree: Arc<RwLock<GlobalTree>>, user_agent: &str) -> Self {
+ let (tx, rx) = mpsc::channel(100);
+
+ let mut headers = header::HeaderMap::new();
+ headers.insert(
+ header::USER_AGENT,
+ header::HeaderValue::from_str(user_agent).expect("valid user agent"),
+ );
+
+ let client = Client::builder()
+ .default_headers(headers)
+ .timeout(Duration::from_secs(15))
+ .build()
+ .expect("reqwest client");
+
+ let creds = RedditCredentials::from_env();
+ tokio::spawn(reddit_worker(rx, tree, client, creds));
+
+ Self { tx }
+ }
+
+ /// Fire-and-forget: queue a fetch; worker updates the tree when done.
+ pub fn request_fetch(&self, id: ItemId) {
+ let _ = self.tx.try_send(RedditCommand { id });
+ }
+}
+
+impl RedditCredentials {
+ fn from_env() -> Option<Self> {
+ let client_id = std::env::var("REDDIT_CLIENT_ID").ok()?;
+ let client_secret = std::env::var("REDDIT_CLIENT_SECRET").ok()?;
+ if client_id.is_empty() || client_secret.is_empty() {
+ return None;
+ }
+ Some(Self {
+ client_id,
+ client_secret,
+ })
+ }
+}
+
+pub fn default_user_agent() -> String {
+ std::env::var("REDDIT_USER_AGENT").unwrap_or_else(|_| {
+ "web:sorter2.social:v0.0.1 (by /u/sorter2)".to_string()
+ })
}
-/// Apply fetched entity data to a node (called from async worker).
-pub fn apply_entity(tree: &mut GlobalTree, id: &ItemId, data: EntityData) {
- tree.set_entity_data(id, data);
+async fn reddit_worker(
+ mut rx: mpsc::Receiver<RedditCommand>,
+ tree: Arc<RwLock<GlobalTree>>,
+ client: Client,
+ creds: Option<RedditCredentials>,
+) {
+ let mut in_flight = HashSet::new();
+ let mut recently_fetched: HashMap<ItemId, Instant> = HashMap::new();
+ let mut current_delay = Duration::from_secs(1);
+ let mut oauth: Option<OAuthToken> = None;
+ let cache_ttl = Duration::from_secs(300);
+
+ while let Some(cmd) = rx.recv().await {
+ let now = Instant::now();
+ recently_fetched.retain(|_, t| now.duration_since(*t) < cache_ttl);
+
+ if in_flight.contains(&cmd.id) || recently_fetched.contains_key(&cmd.id) {
+ continue;
+ }
+
+ in_flight.insert(cmd.id.clone());
+ let fetch_id = cmd.id.clone();
+
+ tokio::time::sleep(current_delay).await;
+
+ if let Some(c) = &creds {
+ oauth = ensure_oauth_token(&client, c, oauth.take()).await;
+ }
+
+ let token = oauth.as_ref().map(|t| t.access_token.as_str());
+ let use_oauth = token.is_some();
+
+ match do_fetch(&client, &fetch_id, use_oauth, token).await {
+ Ok(FetchOutcome::Entity(data)) => {
+ let mut w = tree.write().await;
+ w.set_entity_data(&fetch_id, data);
+ recently_fetched.insert(fetch_id.clone(), Instant::now());
+ current_delay = Duration::from_millis(600);
+ }
+ Ok(FetchOutcome::NotFound) => {
+ recently_fetched.insert(fetch_id.clone(), Instant::now());
+ }
+ Ok(FetchOutcome::RateLimited { reset_secs }) => {
+ let wait = Duration::from_secs(reset_secs.max(1));
+ tracing::warn!(
+ "Reddit rate limit for {}; sleeping {}s",
+ fetch_id,
+ wait.as_secs()
+ );
+ tokio::time::sleep(wait).await;
+ current_delay = (current_delay * 2).min(Duration::from_secs(60));
+ }
+ Err(e) => {
+ tracing::warn!("Reddit fetch failed for {}: {}", fetch_id, e);
+ current_delay = (current_delay * 2).min(Duration::from_secs(60));
+ }
+ }
+
+ in_flight.remove(&fetch_id);
+ }
+}
+
+enum FetchOutcome {
+ Entity(EntityData),
+ NotFound,
+ RateLimited { reset_secs: u64 },
+}
+
+async fn ensure_oauth_token(
+ client: &Client,
+ creds: &RedditCredentials,
+ existing: Option<OAuthToken>,
+) -> Option<OAuthToken> {
+ if let Some(t) = existing {
+ if Instant::now() < t.expires_at - Duration::from_secs(60) {
+ return Some(t);
+ }
+ }
+
+ let resp = client
+ .post("https://www.reddit.com/api/v1/access_token")
+ .basic_auth(&creds.client_id, Some(&creds.client_secret))
+ .form(&[("grant_type", "client_credentials")])
+ .send()
+ .await;
+
+ let resp = match resp {
+ Ok(r) => r,
+ Err(e) => {
+ tracing::warn!("Reddit OAuth token request failed: {e}");
+ return None;
+ }
+ };
+
+ if !resp.status().is_success() {
+ tracing::warn!("Reddit OAuth token HTTP {}", resp.status());
+ return None;
+ }
+
+ #[derive(Deserialize)]
+ struct TokenResponse {
+ access_token: String,
+ expires_in: u64,
+ }
+
+ let body: TokenResponse = match resp.json().await {
+ Ok(b) => b,
+ Err(e) => {
+ tracing::warn!("Reddit OAuth token parse failed: {e}");
+ return None;
+ }
+ };
+
+ Some(OAuthToken {
+ access_token: body.access_token,
+ expires_at: Instant::now() + Duration::from_secs(body.expires_in),
+ })
+}
+
+async fn do_fetch(
+ client: &Client,
+ id: &ItemId,
+ use_oauth: bool,
+ bearer: Option<&str>,
+) -> Result<FetchOutcome, String> {
+ let url = map_item_to_reddit_api(id, use_oauth);
+ if url.is_empty() {
+ return Ok(FetchOutcome::NotFound);
+ }
+
+ let mut req = client.get(&url);
+ if let Some(token) = bearer {
+ req = req.bearer_auth(token);
+ }
+
+ let resp = req.send().await.map_err(|e| e.to_string())?;
+
+ if resp.status() == StatusCode::TOO_MANY_REQUESTS {
+ let reset = rate_limit_reset_secs(&resp);
+ return Ok(FetchOutcome::RateLimited { reset_secs: reset });
+ }
+
+ if resp.status() == StatusCode::SERVICE_UNAVAILABLE {
+ return Err("Reddit unavailable (503)".to_string());
+ }
+
+ if !resp.status().is_success() {
+ return Ok(FetchOutcome::NotFound);
+ }
+
+ if rate_limit_remaining(&resp) == Some(0) {
+ let reset = rate_limit_reset_secs(&resp);
+ return Ok(FetchOutcome::RateLimited { reset_secs: reset });
+ }
+
+ let bytes = resp.bytes().await.map_err(|e| e.to_string())?;
+ Ok(parse_reddit_json(id, &bytes)
+ .map(FetchOutcome::Entity)
+ .unwrap_or(FetchOutcome::NotFound))
+}
+
+fn rate_limit_remaining(resp: &reqwest::Response) -> Option<u64> {
+ resp.headers()
+ .get("x-ratelimit-remaining")
+ .and_then(|v| v.to_str().ok())
+ .and_then(|s| s.parse::<f64>().ok())
+ .map(|f| f.floor() as u64)
+}
+
+fn rate_limit_reset_secs(resp: &reqwest::Response) -> u64 {
+ resp.headers()
+ .get("x-ratelimit-reset")
+ .and_then(|v| v.to_str().ok())
+ .and_then(|s| s.parse::<f64>().ok())
+ .map(|f| f.ceil() as u64)
+ .unwrap_or(5)
+}
+
+/// Map canonical item id to Reddit JSON API URL.
+pub fn map_item_to_reddit_api(id: &ItemId, oauth: bool) -> String {
+ let path = id.as_str();
+ if !path.starts_with("reddit.com/") && path != "reddit.com" {
+ return String::new();
+ }
+
+ let base = if oauth {
+ "https://oauth.reddit.com"
+ } else {
+ "https://www.reddit.com"
+ };
+
+ let segments: Vec<&str> = path.split('/').collect();
+
+ if let Some(i) = segments.iter().position(|&p| p == "comments") {
+ if segments.len() > i + 1 {
+ let api_path = segments[1..=i + 1].join("/");
+ return format!("{base}/{api_path}.json?raw_json=1");
+ }
+ }
+
+ if segments.len() == 3 && segments[1] == "r" {
+ return format!("{base}/r/{}/about.json?raw_json=1", segments[2]);
+ }
+
+ String::new()
+}
+
+fn parse_reddit_json(id: &ItemId, bytes: &[u8]) -> Option<EntityData> {
+ let v: serde_json::Value = serde_json::from_slice(bytes).ok()?;
+ let segments: Vec<&str> = id.as_str().split('/').collect();
+
+ if segments.iter().any(|&p| p == "comments") {
+ parse_post_listing(&v)
+ } else {
+ parse_subreddit_about(&v)
+ }
+}
+
+fn parse_subreddit_about(v: &serde_json::Value) -> Option<EntityData> {
+ let data = v.get("data")?;
+ let title = data
+ .get("title")
+ .or_else(|| data.get("display_name"))
+ .and_then(|t| t.as_str())?
+ .to_string();
+ let body_html = data
+ .get("public_description_html")
+ .or_else(|| data.get("public_description"))
+ .and_then(|t| t.as_str())
+ .map(|s| s.to_string());
+ let thumb_url = data
+ .get("icon_img")
+ .or_else(|| data.get("community_icon"))
+ .and_then(|t| t.as_str())
+ .filter(|s| !s.is_empty())
+ .map(|s| s.to_string());
+
+ Some(EntityData {
+ title,
+ author: None,
+ body_html,
+ thumb_url,
+ })
+}
+
+fn parse_post_listing(v:
… preview truncated; 4,570 characters omittedB — c_af08bd851e49 (tommy-mor)
message
[2bc302c3] refactor
diff preview
diff --git a/server/src/api/ui_html.rs b/server/src/api/ui_html.rs
index 06001212820101e0cc953d3687dea64f85e60787..d2f9769108def7ca2c5857aec8b4319426188a66 100644
--- a/server/src/api/ui_html.rs
+++ b/server/src/api/ui_html.rs
@@ -47,7 +47,7 @@ pub async fn post_ui_html(
ratio_left,
ratio_right,
scope,
- next,
+ vote_compare,
} => {
let parent = parent_from_scope(&scope);
if let Err(e) = state
@@ -57,14 +57,12 @@ pub async fn post_ui_html(
return ui_js_warn(&e).into_response();
}
let tree = state.tree.read().await;
- if !next.trim().is_empty() {
+ if vote_compare {
+ let left = parse_item_param(&a);
+ let right = parse_item_param(&b);
+ let morph = crate::html::vote::vote_recorded_morph(&tree, &parent, &left, &right);
drop(tree);
- return JsBuilder::new()
- .raw(&format!(
- "window.location.href={};",
- js_string_literal(next.trim())
- ))
- .into_response();
+ return morph.into_response();
}
let empty = crate::reducer::NodeState::default();
let node = tree.get(&parent).unwrap_or(&empty);
@@ -137,7 +135,7 @@ mod tests {
ratio_left: 3,
ratio_right: 1,
scope: String::new(),
- next: String::new(),
+ vote_compare: false,
}
);
}
diff --git a/server/src/html/mod.rs b/server/src/html/mod.rs
index 61cdbc094819ddedb755572c59456ec0d6617619..cd578a5fea46a9a1d49e238d08a80c2caf18708d 100644
--- a/server/src/html/mod.rs
+++ b/server/src/html/mod.rs
@@ -65,6 +65,15 @@ impl JsBuilder {
self
}
+ pub(crate) fn morph_inner_selector(mut self, selector: &str, markup: Markup) -> Self {
+ let html = js_string_literal(&markup.into_string());
+ self.snippets.push(format!(
+ "var __el = document.querySelector({sel}); if (__el) {{ Idiomorph.morph(__el, {html}, {{ morphStyle: 'innerHTML' }}); }}",
+ sel = js_string_literal(selector),
+ ));
+ self
+ }
+
pub(crate) fn raw(mut self, js: &str) -> Self {
if !js.is_empty() {
self.snippets.push(js.to_string());
diff --git a/server/src/html/vote.rs b/server/src/html/vote.rs
new file mode 100644
index 0000000000000000000000000000000000000000..89ed621ad861214e147add2062224fc4137ff8ad
--- /dev/null
+++ b/server/src/html/vote.rs
@@ -0,0 +1,306 @@
+//! Pairwise vote UI — `/vote?parent=` with optional `left` / `right`.
+
+use axum::{
+ extract::{Query, State},
+ response::{Html, IntoResponse},
+};
+use maud::{html, Markup};
+use serde::Deserialize;
+
+use crate::{
+ form_template::template_json_compact,
+ html::JsBuilder,
+ pair::{children_of, resolve_pair, suggest_next_pair_in_pool},
+ path_types::ItemId,
+ reducer::{GlobalTree, GroupState, NodeState, VoteData},
+ state::{parse_item_param, AppState},
+ ui_action::UI_RPC_FIELD,
+};
+
+use super::{breadcrumb_path, item_href, layout};
+
+#[derive(Debug, Deserialize)]
+pub struct VoteQuery {
+ pub parent: String,
+ #[serde(default)]
+ pub left: Option<String>,
+ #[serde(default)]
+ pub right: Option<String>,
+}
+
+pub fn vote_href(parent: &ItemId) -> String {
+ format!(
+ "/vote?parent={}",
+ urlencoding::encode(parent.as_str())
+ )
+}
+
+fn vote_compare_href(parent: &ItemId, left: &ItemId, right: &ItemId) -> String {
+ format!(
+ "/vote?parent={}&left={}&right={}",
+ urlencoding::encode(parent.as_str()),
+ urlencoding::encode(left.as_str()),
+ urlencoding::encode(right.as_str()),
+ )
+}
+
+fn display_label(id: &ItemId) -> String {
+ id.segments()
+ .last()
+ .map_or("item".into(), |v| v.to_string())
+}
+
+fn child_title(tree: &GlobalTree, id: &ItemId) -> String {
+ tree.get(id)
+ .and_then(|n| n.data.as_ref())
+ .map(|d| d.title.clone())
+ .unwrap_or_else(|| display_label(id))
+}
+
+fn ratio_pct(ratio_left: i32, ratio_right: i32) -> f64 {
+ let l = ratio_left.max(0) as f64;
+ let r = ratio_right.max(0) as f64;
+ let sum = l + r;
+ if sum <= 0.0 {
+ 50.0
+ } else {
+ (l / sum) * 100.0
+ }
+}
+
+fn ratios_for_page(v: &VoteData, page_left: &ItemId, page_right: &ItemId) -> (i32, i32) {
+ match (v.a.as_str(), v.b.as_str()) {
+ (a, b) if a == page_left.as_str() && b == page_right.as_str() => {
+ (v.ratio_left, v.ratio_right)
+ }
+ (a, b) if a == page_right.as_str() && b == page_left.as_str() => {
+ (v.ratio_right, v.ratio_left)
+ }
+ _ => (v.ratio_left, v.ratio_right),
+ }
+}
+
+fn edge_votes(group: &GroupState, left: &ItemId, right: &ItemId) -> Vec<VoteData> {
+ group
+ .recent_votes
+ .iter()
+ .filter(|v| {
+ (v.a.as_str() == left.as_str() && v.b.as_str() == right.as_str())
+ || (v.a.as_str() == right.as_str() && v.b.as_str() == left.as_str())
+ })
+ .cloned()
+ .collect()
+}
+
+fn vote_edge_history(tree: &GlobalTree, group: &GroupState, left: &ItemId, right: &ItemId) -> Markup {
+ let mut votes = edge_votes(group, left, right);
+ votes.sort_by(|a, b| b.ts.cmp(&a.ts));
+ let legend_left = child_title(tree, left);
+ let legend_right = child_title(tree, right);
+ html! {
+ @if votes.is_empty() {
+ p class="muted vote-edge-empty" { "no votes on this pair yet" }
+ } @else {
+ h3 class="vote-edge-history-title" {
+ "votes on this pair"
+ span class="vote-edge-history-axis muted" { " · " (legend_left) " : " (legend_right) }
+ }
+ ul class="vote-edge-history" {
+ @for v in &votes {
+ @let (r_left, r_right) = ratios_for_page(v, left, right);
+ @let pct = ratio_pct(r_left, r_right);
+ li class="vote-edge-history-row" {
+ div class="vote-edge-meta" {
+ span class="vote-edge-ratio" { (format!("{}:{}", r_left, r_right)) }
+ }
+ div class="ratio-bar vote-edge-bar" aria-hidden="true" {
+ div class="ratio-left" style={(format!("width: {:.3}%;", pct))} {}
+ div class="ratio-right" style={(format!("width: {:.3}%;", 100.0 - pct))} {}
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+fn vote_back_nav(parent: &ItemId) -> Markup {
+ html! {
+ div class="vote-compare-nav" {
+ a class="vote-compare-back muted" href=(item_href(parent)) { "← back to " (display_label(parent)) }
+ }
+ }
+}
+
+fn vote_compare_actions(parent: &ItemId, next: Option<&(ItemId, ItemId)>) -> Markup {
+ let next_href = next.map(|(l, r)| vote_compare_href(parent, l, r));
+ html! {
+ div id="vote-compare-actions" class="vote-compare-actions" {
+ button type="submit" class="btn-primary" data-testid="vote-post" { "post vote" }
+ @if let Some(href) = &next_href {
+ a class="btn-secondary vote-compare-next" data-testid="vote-next-pair" href=(href) { "next pair" }
+ } @else {
+ span class="btn-secondary vote-compare-next is-disabled" { "no next pair" }
+ }
+ }
+ }
+}
+
+/// After recording a vote on the compare page: refresh edge history and next-pair link.
+pub(crate) fn vote_recorded_morph(
+ tree: &GlobalTree,
+ parent: &ItemId,
+ left: &ItemId,
+ right: &ItemId,
+) -> JsBuilder {
+ let pool = children_of(tree, parent);
+ let empty = NodeState::default();
+ let group = tree
+ .get(parent)
+ .unwrap_or(&empty)
+ .local_ranking
+ .clone();
+ let edge_history = vote_edge_history(tree, &group, left, right);
+ let next_pair = suggest_next(&group, left, right, &pool);
+ let actions = vote_compare_actions(parent, next_pair.as_ref());
+ JsBuilder::new()
+ .morph_inner_selector("#vote-edge-history-region", edge_history)
+ .morph_selector("#vote-compare-actions", actions)
+}
+
+fn vote_compare_item_card(tree: &GlobalTree, item: &ItemId, side_class: &str) -> Markup {
+ let href = item_href(item);
+ let title = child_title(tree, item);
+ html! {
+ div class=(format!("vote-compare-side {side_class}")) {
+ a class=(format!("vote-compare-item {side_class}")) href=(href) {
+ @if let Some(row) = crate::render::reddit::child_row_markup(tree, item, &href) {
+ (row)
+ } @else {
+ strong { (title) }
+ }
+ }
+ @if let Some(node) = tree.get(item) {
+ @if crate::render::reddit::is_reddit_post(item) {
+ @if let Some(data) = &node.data {
+ @if let Some(src) = data.image_url.as_ref().or(data.thumb_url.as_ref()) {
+ figure class="vote-compare-figure" {
+ img class="vote-compare-image" src=(src) alt="" loading="lazy";
+ }
+ }
+ @if let Some(author) = &data.author {
+ p class="muted small" { "by " (author) }
+ }
+ }
+ } @else if let Some(data) = &node.data {
+ @if let Some(body) = &data.body_html {
+ div class="vote-compare-item-body" {
+ (maud::PreEscaped(body))
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+
+fn suggest_next(group: &GroupState, left: &ItemId, right: &ItemId, pool: &[ItemId]) -> Option<(ItemId, ItemId)> {
+ suggest_next_pair_in_pool(group, pool, Some((left, right)))
+}
+
+pub async fn vote_page(
+ State(state): State<AppState>,
+ Query(q): Query<VoteQuery>,
+) -> impl IntoResponse {
+ let parent = parse_item_param(&q.parent);
+ let left_param = q.left.as_deref().map(parse_item_param);
+ let right_param = q.right.as_deref().map(parse_item_param);
+
+ let tree = state.tree.read().await;
+ let empty = NodeState::default();
+ let parent_node = tree.get(&parent).unwrap_or(&empty);
+
+ let (left, right) = match resolve_pair(
+ &tree,
+ &parent,
+ left_param.as_ref(),
+ right_param.as_ref(),
+ ) {
+ Ok(p) => p,
+ Err(e) => {
+ let (msg, status) = e.status_message();
+ return (status, msg).into_response();
+ }
+ };
+
+ let pool = children_of(&tree, &parent);
+ let group = &parent_node.local_ranking;
+ let next_pair = suggest_next(group, &left, &right, &pool);
+ let edge_history = vote_edge_history(&tree, group, &left, &right);
+
+ let rpc_json = template_json_compact(&serde_json::json!({
+ "action": "record_vote",
+ "a": left.as_str(),
+ "b": right.as_str(),
+ "ratio_left": {"$form:i32": "ratio_left"},
+ "ratio_right": {"$form:i32": "ratio_right"},
+ "scope": parent.as_str(),
+ "vote_compare": true,
+ }))
+ .expect("vote rpc json");
+
+ let title = format!(
+ "vote — {} vs {}",
+ child_title(&tree, &left),
+ child_title(&tree, &right)
+ );
+
+ let body = html! {
+ section class="vote-compare-shell" {
+ h1 { "compare" }
+ (breadcrumb_path(&parent))
+ p class="muted vote-compare-scope" {
+ "ranking children of "
+ a href=(item_href(&par
… preview truncated; 32,381 characters omittedHardlinks — judgments / attempts / prompt
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