Side A is a coherent, self-contained bugfix: it replaces a silently wrong fallback (unwrap_or(0)) with an explicit invariant check, fixes the actual 0-based vs 1-based indexing bug, updates docs, and adds concrete regression tests verifying the fix. Side B's diff references new modules (crate::html::vote, crate::pair) and routes that are never defined in the shown patch, making it appear incomplete/non-compiling as presented, and mixes unrelated dependency additions (rand, urlencoding) and generated Cargo.lock churn with the actual feature work.
constitution · epochs · watch · epoch 3
comparison
c_6a02ffb06a41 (tommy-mor) vs c_939729b4d9a6 (tommy-mor)
download prompt · raw event · cmp_a73dfb0ed25068
council reasoning
B ships a real user-facing vote-compare flow (route, CTA, slider JS/CSS, post-vote `next` navigation) plus reusable form infrastructure (`$form:i32` holes and tests), whereas A only tightens rank-history indexing from optional 1-based `unwrap_or(0)` to required 0-based `expect` with matching docs/tests. B’s design surface and lasting product value outweigh A’s focused correctness cleanup.
Side B adds substantive new infrastructure: typed form-template substitution (`$form:i32`) with tests, a `next` navigation flow after recording votes, new routing/hooks for a vote page, and supporting UI behavior (slider initialization and redirect handling). Side A mainly tightens an invariant by replacing `unwrap_or(0)` with `expect(...)`, updates documentation/tests to enforce 0-based thread indices, and always renders the post link; these are useful correctness and clarity improvements but are narrower in lasting impact.
sides
A — c_6a02ffb06a41 (tommy-mor)
message
[3bc88847] removed optional
diff preview
diff --git a/server/src/api/rpc.rs b/server/src/api/rpc.rs
index ba93ca87182d49f57dffc8220f604ffa150f9a6c..5049a26b096bd8435d6eb9e75ccb751b6f489061 100644
--- a/server/src/api/rpc.rs
+++ b/server/src/api/rpc.rs
@@ -1337,8 +1337,7 @@ pub async fn handle_rpc_batch(
.ingests_by_scope_thread
.get(&(scope.clone(), e.thread.clone()))
.and_then(|q| q.iter().rev().position(|id| id == &e.post_id))
- .map(|i| i + 1)
- .unwrap_or(0);
+ .expect("rank history post_id must be in ingests_by_scope_thread for (scope, thread)");
RankHistoryRow {
ts: e.ts,
scope_rank: e.scope_rank,
diff --git a/server/src/html/garden.rs b/server/src/html/garden.rs
index 319feb15a6b68d2b5df98b4289fedbc9bdd048d3..23245d6fdfc9019b199ab8417150faf5f3297067 100644
--- a/server/src/html/garden.rs
+++ b/server/src/html/garden.rs
@@ -450,6 +450,7 @@ struct RankHistoryEntryView {
scope_total: usize,
scope_rank_delta: i32,
thread: String,
+ /// 0-based index as [`crate::html::forum::ingest::thread_post_index_in_scope`] / `/t/tag/N`.
thread_post_index: usize,
caused_by: Vec<crate::reducer::VoteData>,
}
@@ -573,11 +574,11 @@ fn build_rank_history(
})
.unwrap_or_default();
- let thread_post_index = reduced.ingests_by_scope_thread
+ let thread_post_index = reduced
+ .ingests_by_scope_thread
.get(&(scope.clone(), e.thread.clone()))
.and_then(|q| q.iter().rev().position(|id| id == &e.post_id))
- .map(|i| i + 1)
- .unwrap_or(0);
+ .expect("rank history post_id must be in ingests_by_scope_thread for (scope, thread)");
RankHistoryEntryView {
ts: e.ts,
@@ -704,11 +705,9 @@ async fn render_scope_view(
span class="muted" { (ago) (label) }
" · "
a href=(thread_href(&e.thread)) { "#" (e.thread) }
- @if e.thread_post_index > 0 {
- " "
- a href=(format!("{}/{}", thread_href(&e.thread), e.thread_post_index)) {
- span class="muted" { "post #" (e.thread_post_index) }
- }
+ " "
+ a href=(format!("{}/{}", thread_href(&e.thread), e.thread_post_index)) {
+ span class="muted" { "post #" (e.thread_post_index) }
}
}
@if e.caused_by.is_empty() {
diff --git a/server/tests/integration.rs b/server/tests/integration.rs
index d4c5bfe9c6f1c71dc61878bd8c5e729b1b7c69ef..9766adb43ad315a64f5df17b79f66718ce149509 100644
--- a/server/tests/integration.rs
+++ b/server/tests/integration.rs
@@ -1322,6 +1322,11 @@ async fn test_rank_history() {
assert_eq!(entry["scope_rank_delta"], 0, "delta is 0 on first appearance");
let caused_by = entry["caused_by"].as_array().unwrap();
assert_eq!(caused_by.len(), 2, "both votes in the ingest touched rust");
+ assert_eq!(
+ entry["thread_post_index"],
+ 0,
+ "rank history links use same 0-based index as /t/hist-test/0"
+ );
ingest(
"00000000-0000-0000-0000-000000000002:rig:test/model",
@@ -1349,6 +1354,16 @@ async fn test_rank_history() {
assert_eq!(caused_by2.len(), 1);
assert!(caused_by2[0]["a"].as_str().unwrap().ends_with("python") ||
caused_by2[0]["b"].as_str().unwrap().ends_with("python"));
+ assert_eq!(
+ hist2[0]["thread_post_index"],
+ 0,
+ "first hist-test post is chronological index 0"
+ );
+ assert_eq!(
+ hist2[1]["thread_post_index"],
+ 1,
+ "second ingest is chronological index 1"
+ );
let hist_rust2 = rpc_batch(
&client,
diff --git a/types/src/lib.rs b/types/src/lib.rs
index edbb923e4d7d41ad82dfc254c3bd697562383527..49abba8ea9f786ef68e3157d2a5d309e15e09ba0 100644
--- a/types/src/lib.rs
+++ b/types/src/lib.rs
@@ -253,7 +253,7 @@ pub struct FeedPost {
/// Primary thread tag (without #), if the ingest declared one.
#[serde(skip_serializing_if = "Option::is_none")]
pub thread: Option<String>,
- /// 1-indexed chronological position of this post within the thread.
+ /// 1-based display ordinal for this post within the thread (feed only; URLs use 0-based paths).
#[serde(skip_serializing_if = "Option::is_none")]
pub thread_post_index: Option<usize>,
/// Full raw body of the ingest document.
@@ -628,7 +628,7 @@ pub struct RankHistoryRow {
pub score: f64,
/// Thread tag of the ingest that triggered this rank change.
pub thread: String,
- /// 1-indexed chronological position of this post within the thread.
+ /// 0-indexed chronological position of this post within the thread (same as `/t/tag/N` routes).
pub thread_post_index: usize,
/// Votes from this ingest that directly touched this item. Empty when change was transitive.
pub caused_by: Vec<VoteRow>,
B — c_939729b4d9a6 (tommy-mor)
message
[7964b28f] fix
diff preview
diff --git a/Cargo.lock b/Cargo.lock
index 8c43fb75c472b102e6e1d3b837dce3355be898f2..e55d87f32ab32064686431c7082ef8c9ca872d63 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -923,6 +923,15 @@ version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+[[package]]
+name = "ppv-lite86"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
+dependencies = [
+ "zerocopy",
+]
+
[[package]]
name = "prettyplease"
version = "0.2.37"
@@ -980,6 +989,36 @@ version = "6.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
+[[package]]
+name = "rand"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca0ecfa931c29007047d1bc58e623ab12e5590e8c7cc53200d5202b69266d8a"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom 0.2.17",
+]
+
[[package]]
name = "regex-automata"
version = "0.4.14"
@@ -1270,6 +1309,7 @@ dependencies = [
"dotenvy",
"futures-util",
"maud",
+ "rand",
"reqwest",
"serde",
"serde_json",
@@ -1280,6 +1320,7 @@ dependencies = [
"tower-http 0.5.2",
"tracing",
"tracing-subscriber",
+ "urlencoding",
]
[[package]]
@@ -1656,6 +1697,12 @@ dependencies = [
"serde",
]
+[[package]]
+name = "urlencoding"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da"
+
[[package]]
name = "utf8_iter"
version = "1.0.4"
@@ -2052,6 +2099,26 @@ dependencies = [
"synstructure",
]
+[[package]]
+name = "zerocopy"
+version = "0.8.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b065d4f0e55f82fae73202e189638116a87c55ab6b8e6c2721e13dd9d854ad1"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b631b19d36a892ab55420c92dbc83ccd79274f25be714855d3074aa71cab639"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
[[package]]
name = "zerofrom"
version = "0.1.8"
diff --git a/server/Cargo.toml b/server/Cargo.toml
index c940acb687fb141d21760a3d6656172013cf6f41..6fb7bf52fa58f46f5e8fb0f7fd395247b57506d7 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -20,6 +20,8 @@ reqwest = { version = "0.12", features = ["json"] }
dotenvy = "0.15"
async-stream = "0.3"
futures-util = { version = "0.3", default-features = false, features = ["std"] }
+rand = "0.8"
+urlencoding = "2"
[dev-dependencies]
reqwest = { version = "0.12", features = ["json"] }
diff --git a/server/src/api/ui_html.rs b/server/src/api/ui_html.rs
index e649a7d192feade465e19ce6187a829f6ec74372..06001212820101e0cc953d3687dea64f85e60787 100644
--- a/server/src/api/ui_html.rs
+++ b/server/src/api/ui_html.rs
@@ -47,6 +47,7 @@ pub async fn post_ui_html(
ratio_left,
ratio_right,
scope,
+ next,
} => {
let parent = parent_from_scope(&scope);
if let Err(e) = state
@@ -56,9 +57,19 @@ pub async fn post_ui_html(
return ui_js_warn(&e).into_response();
}
let tree = state.tree.read().await;
+ if !next.trim().is_empty() {
+ drop(tree);
+ return JsBuilder::new()
+ .raw(&format!(
+ "window.location.href={};",
+ js_string_literal(next.trim())
+ ))
+ .into_response();
+ }
let empty = crate::reducer::NodeState::default();
let node = tree.get(&parent).unwrap_or(&empty);
let panel = ranking_panel(&parent, node, &tree);
+ drop(tree);
JsBuilder::new()
.morph_selector("#ranking-panel", panel)
.into_response()
@@ -126,6 +137,7 @@ mod tests {
ratio_left: 3,
ratio_right: 1,
scope: String::new(),
+ next: String::new(),
}
);
}
diff --git a/server/src/form_template.rs b/server/src/form_template.rs
index b9bc3982a125e94e67c99175ea9055979541abba..bd4a7195a6eaabfed55333bab5640708ea108b81 100644
--- a/server/src/form_template.rs
+++ b/server/src/form_template.rs
@@ -7,19 +7,30 @@ pub fn template_json_compact<T: Serialize>(v: &T) -> serde_json::Result<String>
serde_json::to_string(v)
}
-/// Recursively walk the JSON AST and replace `{"$form": "key"}` with the submitted
-/// string for `key` (empty if missing). Other keys are unchanged.
+/// Recursively walk the JSON AST and replace form holes with submitted values.
+///
+/// - `{"$form": "key"}` → string (empty if missing)
+/// - `{"$form:i32": "key"}` → JSON number (0 if missing or unparseable)
pub fn substitute_form_vars(val: &mut Value, form_data: &HashMap<String, String>) {
match val {
Value::Object(map) => {
if map.len() == 1 {
- if let Some(Value::String(field_name)) = map.get("$form") {
- let submitted = form_data
- .get(field_name.as_str())
- .map(|s| s.as_str())
- .unwrap_or("");
- *val = Value::String(submitted.to_string());
- return;
+ if let Some((hole_key, Value::String(field_name))) = map.iter().next() {
+ if let Some(form_type) = hole_key.strip_prefix("$form") {
+ let submitted = form_data
+ .get(field_name.as_str())
+ .map(|s| s.as_str())
+ .unwrap_or("");
+ *val = match form_type {
+ "" => Value::String(submitted.to_string()),
+ ":i32" => {
+ let n: i32 = submitted.trim().parse().unwrap_or(0);
+ Value::Number(n.into())
+ }
+ _ => Value::String(submitted.to_string()),
+ };
+ return;
+ }
}
}
for v in map.values_mut() {
@@ -62,6 +73,45 @@ mod tests {
text: String,
}
+ #[test]
+ fn i32_holes_become_numbers() {
+ let json = r#"{
+ "ratio_left": {"$form:i32": "ratio_left"},
+ "ratio_right": {"$form:i32": "ratio_right"}
+ }"#;
+ let mut form = HashMap::new();
+ form.insert("ratio_left".into(), "75".into());
+ form.insert("ratio_right".into(), "25".into());
+ let v = fill_template_from_form(json, &form).unwrap();
+ assert_eq!(v["ratio_left"], 75);
+ assert_eq!(v["ratio_right"], 25);
+
+ #[derive(Debug, Deserialize, PartialEq, Eq)]
+ struct Ratios {
+ ratio_left: i32,
+ ratio_right: i32,
+ }
+ let r: Ratios = serde_json::from_value(v).unwrap();
+ assert_eq!(
+ r,
+ Ratios {
+ ratio_left: 75,
+ ratio_right: 25,
+ }
+ );
+ }
+
+ #[test]
+ fn i32_hole_missing_or_bad_defaults_to_zero() {
+ let json = r#"{"n": {"$form:i32": "missing"}}"#;
+ let v = fill_template_from_form(json, &HashMap::new()).unwrap();
+ assert_eq!(v["n"], 0);
+ let mut form = HashMap::new();
+ form.insert("missing".into(), "nope".into());
+ let v = fill_template_from_form(json, &form).unwrap();
+ assert_eq!(v["n"], 0);
+ }
+
#[test]
fn holes_become_strings() {
let json = r#"{
diff --git a/server/src/html/mod.rs b/server/src/html/mod.rs
index 3bf9fc7e92e50beed24e2c25106a77421038c90b..61cdbc094819ddedb755572c59456ec0d6617619 100644
--- a/server/src/html/mod.rs
+++ b/server/src/html/mod.rs
@@ -20,6 +20,8 @@ use crate::{
ui_action::UI_RPC_FIELD,
};
+pub mod vote;
+
const SORTER_CSS: &str = include_str!("../../static/sorter.css");
const SORTER_UI_JS: &str = include_str!("../../static/sorter_ui.js");
@@ -131,7 +133,7 @@ fn layout(title: &str, body: Markup, views: u64) -> Markup {
}
}
-fn item_href(id: &ItemId) -> String {
+pub(crate) fn item_href(id: &ItemId) -> String {
id.browse_href()
}
@@ -309,11 +311,23 @@ async fn item_page(state: AppState, uri: Uri, item: ItemId) -> Markup {
let empty_node = NodeState::default();
let node = tree.get(&item).unwrap_or(&empty_node);
+ let child_count = node.children.len();
+ let vote_link = if child_count >= 2 {
+ Some(vote::vote_href(&item))
+ } else {
+ None
+ };
+
let body = html! {
h1 { "sorter" }
(input_panel("", None))
(breadcrumb_path(&item))
(entity_section(&item, node, false))
+ @if let Some(href) = vote_link {
+ p class="vote-cta" {
+ a class="btn-primary" href=(href) data-testid="vote-children" { "Vote on children" }
+ }
+ }
(ranking_panel(&item, node, &tree))
};
layout("sorter2", body, views)
diff --git a/server/src/lib.rs b/server/src/lib.rs
index da5f3ebecec1794b05a2a69cc78379551b2ad769..7f7e28c8ac3758de87f1f8e073b24be4132d38da 100644
--- a/server/src/lib.rs
+++ b/server/src/lib.rs
@@ -4,6 +4,7 @@ pub mod events;
pub mod fetch;
pub mod form_template;
pub mod html;
+pub mod pair;
pub mod parser;
pub mod path_types;
pub mod ranking;
@@ -33,6 +34,7 @@ pub fn create_app(state: AppState) -> Router {
.route("/static/:filename", get(crate::html::serve_static))
.route("/~/*item_path", get(crate::html::browse))
.route("/", get(crate::html::home))
+ .route("/vote", get(crate::html::vote::vote_page))
.route("/ui", post(crate::api::ui_html::post_ui_html))
.with_state(state)
.layer(TraceLayer::new_for_http())
diff --git a/server/src/ui_action.rs b/server/src/ui_action.rs
index 2047713762c932ac9bc325fe15624f2aecb3364d..53581e1362bfcc5dfb4ae3069c41ea6f7be41437 100644
--- a/server/src/ui_action.rs
+++ b/server/src/ui_action.rs
@@ -31,6 +31,9 @@ pub enum HtmlUiAction {
/// Parent node [`ItemId`] string; empty = tree root.
#[serde(default)]
scope: String,
+ /// After vote, navigate here (vote compare page).
+ #[serde(default)]
+ next: String,
},
/// Parse pasted Reddit URL/path; redirect to subreddit ranking on success.
ParseQuery {
@@ -70,6 +73,36 @@ pub fn parse_html_ui_from_form(
mod tests {
use super::*;
+ #[test]
+ fn record_vote_round_trip_with_typed_ratio_holes() {
+ let template = serde_json::json!({
+ "action": "record_vote",
+ "a": "x",
+ "b": "y",
+ "ratio_left": {"$form:i32": "ratio_left"},
+ "ratio_right": {"$form:i32": "ratio_right"},
+ "scope": "parent",
+ });
+ let mut form = HashMap::new();
+ form.insert(
+ UI_RPC_FIELD.to_string(),
+ serde_json::to_string(&template).unwrap(),
+ );
+ form.insert("ratio_left".into(), "60".into());
+ form.
… preview truncated; 4,992 characters omittedHardlinks — judgments / attempts / prompt
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