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portal/src/app.rs
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use leptos::prelude::*;
use leptos_meta::{provide_meta_context, MetaTags, Stylesheet, Title};
use leptos_router::{
components::{Route, Router, Routes},
hooks::{use_location, use_navigate, use_query_map},
path, NavigateOptions,
};
use serde::{Deserialize, Serialize};
use crate::answers::{Answer, SelfTransitionAnswer, TransitionAnswer};
use crate::auth::{current_user, User};
use crate::content::{is_qualified, Alternative, Question, Responsible, Transition};
use crate::resource::{get_requirement_options, get_resource};
/// The visible site name/wordmark - "portal" is just this codebase's
/// working title, not necessarily what any given deployment is called.
/// Baked in at *build* time (`option_env!`, not `std::env::var`) so the
/// ssr and hydrate targets - compiled separately - end up with the
/// identical value without a runtime round-trip or context-passing
/// between them; set `SITE_NAME` for both `cargo leptos` invocations
/// (ssr and hydrate) to change it, e.g. `SITE_NAME=uhhm`. CSS uppercases
/// the wordmark for display regardless of the source casing here.
const SITE_NAME: &str = match option_env!("SITE_NAME") {
Some(name) => name,
None => "portal",
};
pub fn shell(options: LeptosOptions) -> impl IntoView {
view! {
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
// Two prefers-color-scheme-scoped links, not one SVG with
// an embedded @media query - confirmed via real-device
// testing (see infrastructure's gitea-head.tmpl) that an
// SVG's own internal @media doesn't reliably re-evaluate
// once loaded via <link>/<img> on Safari/iOS.
<link rel="icon" media="(prefers-color-scheme: light)" href="/favicon-light.svg" type="image/svg+xml"/>
<link rel="icon" media="(prefers-color-scheme: dark)" href="/favicon-dark.svg" type="image/svg+xml"/>
<AutoReload options=options.clone()/>
<HydrationScripts options/>
<MetaTags/>
</head>
<body>
<App/>
</body>
</html>
}
}
#[component]
pub fn App() -> impl IntoView {
provide_meta_context();
view! {
<Stylesheet id="leptos" href="/pkg/portal.css"/>
<Title text=SITE_NAME/>
<Router>
<Routes fallback=|| view! { <NotFound/> }>
<Route path=path!("") view=QuestionPage/>
<Route path=path!("/*any") view=QuestionPage/>
</Routes>
</Router>
}
}
#[component]
fn QuestionPage() -> impl IntoView {
let location = use_location();
let query = use_query_map();
let path = Memo::new(move |_| {
let p = location.pathname.get();
if p.is_empty() {
"/".to_string()
} else {
p
}
});
let parent_hash = Memo::new(move |_| query.with(|q| q.get("chain")));
let query_email = Memo::new(move |_| query.with(|q| q.get("email")));
let question = Resource::new(move || path.get(), get_question);
let user = Resource::new(|| (), |_| current_user());
view! {
<Suspense fallback=|| {
view! {
<main class="loading">
<p>"loading…"</p>
</main>
}
}>
{move || {
// Both read unconditionally (not nested inside the match
// below) so Suspense tracks both from the first pass,
// rather than only discovering `user` once `question`
// has already resolved.
let user_res = user.get();
let question_res = question.get();
question_res
.map(|res| match res {
Ok(Some(q)) => {
let current = user_res.and_then(|r| r.ok()).flatten();
view! {
<QuestionView
question=q
parent_hash=parent_hash.get()
query_email=query_email.get()
user=current
/>
}
.into_any()
}
_ => view! { <NotFound/> }.into_any(),
})
}}
</Suspense>
}
}
#[component]
fn QuestionView(
question: Question,
parent_hash: Option<String>,
query_email: Option<String>,
user: Option<User>,
) -> impl IntoView {
let question_id = question.id.clone();
// Generic: any question with `qualifies` set renders this same gate
// instead of its alternatives - "/review" isn't a special case, it's
// just a question that happens to have `qualifies` set.
if !is_qualified(user.as_ref(), &question) {
let signed_in = user.is_some();
return view! {
<Hero
title=question.name.clone()
description=question.description.clone()
show_yes=question_id == "/"
/>
<div class="alternatives">
<section class="alt-card gate-card">
{if signed_in {
view! { <p>"This part of the site is for organizational owners — sign in with that account to take a look."</p> }
.into_any()
} else {
view! {
<a
class="alt-submit"
href=format!("/auth/login?redirect={question_id}")
rel="external"
>
"Sign in"
</a>
}
.into_any()
}}
</section>
</div>
}
.into_any();
}
let question_id_for_note = question_id.clone();
view! {
<Hero
title=question.name.clone()
description=question.description.clone()
show_yes=question_id == "/"
/>
<div class="alternatives">
<For
each={
let parent_hash = parent_hash.clone();
let query_email = query_email.clone();
move || {
// A self_transition alternative has nothing to show
// (no action to submit, no button target) without
// both link params present - hide it rather than
// render a dead-looking empty card for anyone who
// reaches this question the normal way.
let has_link = parent_hash.is_some() && query_email.is_some();
question
.alternatives
.clone()
.into_iter()
.filter(|a| a.self_transition.is_none() || has_link)
.collect::<Vec<_>>()
}
}
key=|a| a.name.clone()
children=move |alt: Alternative| {
view! {
<AlternativeCard
question_id=question_id.clone()
alternative=alt
parent_hash=parent_hash.clone()
query_email=query_email.clone()
/>
}
.into_any()
}
/>
</div>
{question
.responsible
.clone()
.map(|r| {
view! { <ResponsibleNote question_id=question_id_for_note.clone() responsible=r/> }
})}
}
.into_any()
}
/// "Asked by X — contact them if you get stuck", plus a one-click
/// "report this question" action (see `report_question`) - mainly
/// meant for a question that reads as unhelpfully LLM-generated, so
/// whoever's responsible for it hears about it.
#[component]
fn ResponsibleNote(question_id: String, responsible: Responsible) -> impl IntoView {
let report = ServerAction::<ReportQuestion>::new();
let reported = RwSignal::new(false);
Effect::new(move |_| {
if report.value().get().is_some_and(|r| r.is_ok()) {
reported.set(true);
}
});
view! {
<p class="question-responsible">
"Asked by " {responsible.name.clone()} " — "
<a href=format!("mailto:{}", responsible.contact)>"contact them"</a>
" if you get stuck."
{move || {
if reported.get() {
view! { <span class="question-reported">" Reported — thanks."</span> }
.into_any()
} else {
let question_id = question_id.clone();
view! {
<button
type="button"
class="question-report"
disabled=move || report.pending().get()
on:click=move |_| {
report
.dispatch(ReportQuestion {
question_id: question_id.clone(),
reason: None,
});
}
>
" Not helpful? Report this question."
</button>
}
.into_any()
}
}}
</p>
}
}
// Binds the actual "YES - Rasterized Lines" piece live at uhhm.no
// (ported to `public/yes.js`, an ES module now instead of a page-owning
// script) as a typed JS class - the idiomatic wasm-bindgen way to drive
// an existing JS module from Rust, rather than re-implementing canvas
// animation logic here.
#[cfg(feature = "hydrate")]
mod yes {
use wasm_bindgen::prelude::*;
#[wasm_bindgen(module = "/yes.js")]
extern "C" {
#[wasm_bindgen(js_name = RasterizedYES)]
pub type RasterizedYes;
#[wasm_bindgen(constructor, js_class = "RasterizedYES")]
pub fn new() -> RasterizedYes;
#[wasm_bindgen(method)]
pub fn stop(this: &RasterizedYes);
}
}
// Same idiomatic-typed-module approach as `yes` above, for the
// prosekit-backed rich-text requirement kind (`prosekit-editor.js`,
// project root - `#[wasm_bindgen(module = "/x.js")]` resolves relative
// to the crate root, not the `public/` static-asset dir, same as
// `yes.js` below). `mount_editor` hands the editor a container node
// plus the paired
// hidden `<input>` it mirrors its HTML into and fires real `input`
// events on - see `mount_editor`'s call site in `AlternativeCard`, and
// the JS module itself for why a hidden-input bridge rather than a
// bespoke Rust<->JS value channel.
#[cfg(feature = "hydrate")]
mod prosekit {
use wasm_bindgen::prelude::*;
#[wasm_bindgen(module = "/prosekit-editor.js")]
extern "C" {
#[wasm_bindgen(js_name = mountEditor)]
pub fn mount_editor(
container: &web_sys::HtmlDivElement,
hidden: &web_sys::HtmlInputElement,
initial: &str,
);
}
}
#[component]
fn Hero(title: String, description: String, show_yes: bool) -> impl IntoView {
// Only the landing page gets the full interactive piece - it's the
// one page this is actually "the" hero for; other pages (thank-you
// pages, /review) get the plain dark header below. Starts the
// animation once the canvas elements exist, and explicitly stops
// the requestAnimationFrame loop on unmount - the original
// page-owning script never needed this since navigating away meant
// a full document unload, which doesn't happen in an SPA.
let raster_ref: NodeRef<leptos::html::Canvas> = NodeRef::new();
#[cfg(feature = "hydrate")]
if show_yes {
// `on_cleanup` requires Send + Sync (even single-threaded, wasm),
// which a JS-backed value never is - `StoredValue`'s `LocalStorage`
// variant is the established way around this (same pattern
// cnats' WebRTC call state uses for its own non-Send peer map).
let instance: StoredValue<Option<yes::RasterizedYes>, LocalStorage> =
StoredValue::new_local(None);
// Gated on the canvas NodeRef resolving, not just "the Effect
// ran" - on a fresh page load the DOM is already there by the
// time this fires, but navigating back to `/` client-side hit a
// real race: the Effect ran before the new view's <canvas> was
// actually inserted, RasterizedYES::new() (yes.js) did an
// unchecked `document.getElementById(...).getContext(...)` on
// null and threw mid-reactive-update - which then corrupted
// wasm_bindgen_futures' single-threaded executor state badly
// enough to panic ("RefCell already borrowed") on the next
// tick. Waiting for the NodeRef itself guarantees DOM presence
// the same way the prosekit editor's own mount Effect does.
Effect::new(move |_| {
if raster_ref.get().is_none() {
return;
}
instance.set_value(Some(yes::RasterizedYes::new()));
});
on_cleanup(move || {
instance.update_value(|opt| {
if let Some(inst) = opt.take() {
inst.stop();
}
});
});
}
view! {
<header class="hero" class:hero-yes=show_yes>
{show_yes
.then(|| {
view! {
<div class="hero-canvas" aria-hidden="true">
<canvas id="lineCanvas"></canvas>
<canvas id="rasterCanvas" node_ref=raster_ref></canvas>
</div>
}
})}
<div class="hero-copy">
<a class="wordmark" href="/">
{SITE_NAME}
</a>
<h1>{title}</h1>
<p>{description}</p>
</div>
</header>
}
}
#[component]
fn AlternativeCard(
question_id: String,
alternative: Alternative,
parent_hash: Option<String>,
query_email: Option<String>,
) -> impl IntoView {
// A link carrying both ?chain= and ?email= against an alternative
// that declares a self_transition renders as a one-button
// confirmation instead of the normal form - the visitor already
// holds everything the action needs (see
// `answers::self_transition_answer`), there's nothing left to type.
if let (Some(st), Some(item_id), Some(email)) =
(alternative.self_transition.clone(), parent_hash.clone(), query_email)
{
let self_transition = ServerAction::<SelfTransitionAnswer>::new();
let question_id_for_action = question_id.clone();
let alt_name_for_action = alternative.name.clone();
let item_id_for_action = item_id.clone();
let email_for_action = email.clone();
let label = st.label.clone();
return view! {
<section class="alt-card">
<h2>{alternative.name.clone()}</h2>
<p class="alt-description">{alternative.description.clone()}</p>
{move || {
let question_id_for_action = question_id_for_action.clone();
let alt_name_for_action = alt_name_for_action.clone();
let item_id_for_action = item_id_for_action.clone();
let email_for_action = email_for_action.clone();
let label = label.clone();
match self_transition.value().get() {
None => view! {
<button
class="alt-submit"
disabled=move || self_transition.pending().get()
on:click=move |_| {
self_transition.dispatch(SelfTransitionAnswer {
question_id: question_id_for_action.clone(),
alternative: alt_name_for_action.clone(),
item_id: item_id_for_action.clone(),
email: email_for_action.clone(),
});
}
>
{label.clone()}
</button>
}
.into_any(),
Some(Ok(())) => view! { <p>"Done."</p> }.into_any(),
Some(Err(e)) => view! { <p class="resource-error">{e.to_string()}</p> }.into_any(),
}
}}
</section>
}
.into_any();
}
let has_action = alternative.action.is_some();
// File fields don't fit a live-typed RwSignal<String> - they get
// their own map of element refs, read (and uploaded) only at submit
// time, and are excluded from `field_map` below. `select` fields
// don't fit it either (a multi-select's value is a *set* of ids,
// not one string) - they get their own `Vec<String>`-signal map,
// plus a plain (non-reactive, content-derived) record of which
// select fields are `multiple`, read back at submit time to decide
// whether to emit a JSON array or a single string.
let mut field_map: std::collections::HashMap<String, RwSignal<String>> =
std::collections::HashMap::new();
let mut file_refs: std::collections::HashMap<String, NodeRef<leptos::html::Input>> =
std::collections::HashMap::new();
let mut select_field_map: std::collections::HashMap<String, RwSignal<Vec<String>>> =
std::collections::HashMap::new();
let mut select_multi: std::collections::HashMap<String, bool> = std::collections::HashMap::new();
for feature in &alternative.features {
for req in &feature.requirements {
if req.kind == "file" {
file_refs.entry(req.name.clone()).or_insert_with(NodeRef::new);
} else if req.kind == "select" {
select_field_map
.entry(req.name.clone())
.or_insert_with(|| RwSignal::new(Vec::new()));
select_multi.insert(req.name.clone(), req.multiple);
} else {
field_map
.entry(req.name.clone())
.or_insert_with(|| RwSignal::new(String::new()));
}
}
}
// Prefixes field DOM ids with the alternative too, not just the
// question - two alternatives on the same page (e.g. both asking for
// "email") would otherwise mint the same id twice, which is invalid
// HTML and makes <label for=…> pick the wrong input.
let field_prefix = format!(
"{question_id}-{}",
alternative.name.to_lowercase().replace(' ', "-")
);
let submit = ServerAction::<SubmitAnswer>::new();
let navigate = use_navigate();
let question_id_for_submit = question_id.clone();
let alt_name_for_submit = alternative.name.clone();
let parent_hash_for_submit = parent_hash.clone();
let field_map_for_submit = field_map.clone();
let file_refs_for_submit = file_refs.clone();
let select_field_map_for_submit = select_field_map.clone();
let select_multi_for_submit = select_multi.clone();
let on_submit = move |ev: leptos::ev::SubmitEvent| {
ev.prevent_default();
let field_map_for_submit = field_map_for_submit.clone();
let file_refs_for_submit = file_refs_for_submit.clone();
let select_field_map_for_submit = select_field_map_for_submit.clone();
let select_multi_for_submit = select_multi_for_submit.clone();
let question_id_for_submit = question_id_for_submit.clone();
let alt_name_for_submit = alt_name_for_submit.clone();
let parent_hash_for_submit = parent_hash_for_submit.clone();
leptos::task::spawn_local(async move {
let mut map = serde_json::Map::new();
for (name, sig) in field_map_for_submit.iter() {
map.insert(name.clone(), serde_json::Value::String(sig.get()));
}
for (name, sig) in select_field_map_for_submit.iter() {
let ids = sig.get();
let multiple = select_multi_for_submit.get(name).copied().unwrap_or(false);
let value = if multiple {
serde_json::Value::Array(ids.into_iter().map(serde_json::Value::String).collect())
} else {
serde_json::Value::String(ids.into_iter().next().unwrap_or_default())
};
map.insert(name.clone(), value);
}
// Only used under hydrate (file uploads are a browser-only
// concern); referenced unconditionally so an `ssr` build
// doesn't warn about it going unused.
let _ = &file_refs_for_submit;
#[cfg(feature = "hydrate")]
for (name, file_ref) in file_refs_for_submit.iter() {
let Some(input) = file_ref.get_untracked() else {
continue;
};
let Some(files) = input.files() else { continue };
let Some(file) = files.get(0) else { continue };
match upload_file(&file).await {
Ok(key) => {
map.insert(name.clone(), serde_json::Value::String(key));
}
Err(e) => {
leptos::logging::error!("upload of {name} failed: {e:?}");
}
}
}
let responses_json =
serde_json::to_string(&serde_json::Value::Object(map)).unwrap_or_default();
submit.dispatch(SubmitAnswer {
question_id: question_id_for_submit,
alternative: alt_name_for_submit,
parent_hash: parent_hash_for_submit,
responses_json,
});
});
};
Effect::new(move |_| {
if let Some(Ok(result)) = submit.value().get() {
if let Some(next) = result.next {
navigate(
&format!("{next}?chain={}", result.chain_hash),
NavigateOptions::default(),
);
}
}
});
let button_label = alternative
.consequence
.first()
.cloned()
.unwrap_or_else(|| "Send".to_string());
view! {
<section class="alt-card">
<h2>{alternative.name.clone()}</h2>
<p class="alt-description">{alternative.description.clone()}</p>
<div class="features">
<For
each={
let features = alternative.features.clone();
move || features.clone()
}
key=|f| f.name.clone()
children={
let field_map = field_map.clone();
let file_refs = file_refs.clone();
let select_field_map = select_field_map.clone();
let field_prefix = field_prefix.clone();
let question_id = question_id.clone();
let alt_name = alternative.name.clone();
move |feature| {
let field_map = field_map.clone();
let file_refs = file_refs.clone();
let select_field_map = select_field_map.clone();
let field_prefix = field_prefix.clone();
let question_id = question_id.clone();
let alt_name = alt_name.clone();
let resource = feature.resource.clone();
let feature_name = feature.name.clone();
view! {
<div class="feature">
<Show when={
let name = feature.name.clone();
move || !name.is_empty()
}>
<h3>{feature.name.clone()}</h3>
</Show>
<Show when={
let description = feature.description.clone();
move || !description.is_empty()
}>
<p>{feature.description.clone()}</p>
</Show>
{resource.map(|spec| {
view! {
<ResourceFeature
question_id=question_id.clone()
alternative=alt_name.clone()
feature_name=feature_name.clone()
transitions=spec.transitions.clone()
/>
}
})}
<For
each={
let reqs = feature.requirements.clone();
move || reqs.clone()
}
key=|r| r.name.clone()
children={
let field_map = field_map.clone();
let file_refs = file_refs.clone();
let select_field_map = select_field_map.clone();
let field_prefix = field_prefix.clone();
let question_id = question_id.clone();
let alt_name = alt_name.clone();
let feature_name = feature_name.clone();
move |req| {
let field_id = format!("{}-{}", field_prefix, req.name);
let label_for = field_id.clone();
let label_text = view! {
<span class="field-label">
{req.display_label()}
{(!req.optional).then(|| view! { <span class="required">"*"</span> })}
</span>
};
let sig = field_map.get(&req.name).copied().unwrap_or_else(|| RwSignal::new(String::new()));
if req.kind == "select" {
let select_sig = select_field_map
.get(&req.name)
.copied()
.unwrap_or_else(|| RwSignal::new(Vec::new()));
return view! {
<div class="field">
{label_text}
<SelectField
question_id=question_id.clone()
alternative=alt_name.clone()
feature_name=feature_name.clone()
requirement_name=req.name.clone()
multiple=req.multiple
id_field=req.id_field.clone()
sig=select_sig
/>
</div>
}
.into_any();
}
if req.kind == "file" {
let file_ref = file_refs.get(&req.name).copied().unwrap_or_else(NodeRef::new);
return view! {
<label class="field" for=label_for>
{label_text}
<input
id=field_id
type="file"
accept=req.accept.clone().unwrap_or_default()
multiple=req.multiple
required=!req.optional
node_ref=file_ref
/>
</label>
}
.into_any();
}
if req.kind == "prosekit" {
let container_ref: NodeRef<leptos::html::Div> = NodeRef::new();
let hidden_ref: NodeRef<leptos::html::Input> = NodeRef::new();
#[cfg(feature = "hydrate")]
{
Effect::new(move |_| {
let (Some(container), Some(hidden)) =
(container_ref.get(), hidden_ref.get())
else {
return;
};
prosekit::mount_editor(&container, &hidden, &sig.get_untracked());
});
}
return view! {
<label class="field" for=label_for>
{label_text}
<input
id=field_id
type="hidden"
node_ref=hidden_ref
prop:value=move || sig.get()
on:input=move |ev| sig.set(event_target_value(&ev))
/>
<div class="prosekit-wrap" node_ref=container_ref></div>
</label>
}
.into_any();
}
view! {
<label class="field" for=label_for>
{label_text}
<Show
when={
let kind = req.kind.clone();
move || kind == "textarea"
}
fallback={
let kind = req.kind.clone();
let placeholder = req.placeholder.clone().unwrap_or_default();
let field_id = field_id.clone();
let required = !req.optional;
move || {
view! {
<input
id=field_id.clone()
type=kind.clone()
placeholder=placeholder.clone()
required=required
prop:value=move || sig.get()
on:input=move |ev| sig.set(event_target_value(&ev))
/>
}
}
}
>
{
let field_id = field_id.clone();
let placeholder = req.placeholder.clone().unwrap_or_default();
let required = !req.optional;
view! {
<textarea
id=field_id.clone()
placeholder=placeholder.clone()
required=required
prop:value=move || sig.get()
on:input=move |ev| sig.set(event_target_value(&ev))
></textarea>
}
}
</Show>
</label>
}
.into_any()
}
}
/>
</div>
}
.into_any()
}
}
/>
</div>
{has_action
.then(|| {
view! {
<div class="alt-cta">
<For
each=move || alternative.encouragements.clone()
key=|e| e.clone()
children=move |e| view! { <p class="alt-encouragement">{e}</p> }
/>
<form on:submit=on_submit>
<button
type="submit"
class="alt-submit"
disabled=move || submit.pending().get()
>
{button_label.clone()}
</button>
</form>
</div>
}
})}
</section>
}
.into_any()
}
/// Fetches and renders a `Feature`'s `resource` (`content::ResourceSpec`).
/// Fully generic: it has no idea what "/review" or "applicants" are - it
/// just fetches `question_id`/`feature_name`'s data and renders it
/// according to its own shape (see `ResourceValue`), with one button
/// per `transitions` entry when the data looks like a list of answers.
#[component]
fn ResourceFeature(
question_id: String,
alternative: String,
feature_name: String,
transitions: Vec<Transition>,
) -> impl IntoView {
let data = Resource::new(
{
let question_id = question_id.clone();
let alternative = alternative.clone();
let feature_name = feature_name.clone();
move || (question_id.clone(), alternative.clone(), feature_name.clone())
},
// Empty params for now - forwarding sibling requirement values
// as query params (for a resource parameterized by other form
// fields) is deferred, see the resource-backed multi-select
// requirement UI follow-up.
|(q, a, f)| get_resource(q, a, f, std::collections::HashMap::new()),
);
view! {
<div class="resource">
<Suspense fallback=|| view! { <p class="resource-loading">"loading…"</p> }>
{move || {
let question_id = question_id.clone();
let alternative = alternative.clone();
let feature_name = feature_name.clone();
let transitions = transitions.clone();
data.get()
.map(|res| match res {
Ok(value) => {
view! {
<ResourceValue
question_id=question_id
alternative=alternative
feature_name=feature_name
transitions=transitions
value=value
/>
}
.into_any()
}
Err(e) => {
view! { <p class="resource-error">{e.to_string()}</p> }.into_any()
}
})
}}
</Suspense>
</div>
}
}
/// Renders whatever `get_resource` returned, purely from its shape: an
/// array that parses as `answers::Answer` renders as a list (with
/// transition buttons, if any were declared); anything else renders as
/// a plain, read-only dump. No `kind`/render-mode tag anywhere - the
/// data decides.
#[component]
fn ResourceValue(
question_id: String,
alternative: String,
feature_name: String,
transitions: Vec<Transition>,
value: serde_json::Value,
) -> impl IntoView {
if let serde_json::Value::Array(items) = &value {
if let Ok(answers) = serde_json::from_value::<Vec<Answer>>(value.clone()) {
let mut answers = answers;
answers.sort_by(|a, b| {
let open = |s: &str| s != crate::answers::OPEN_STATE;
open(&a.state).cmp(&open(&b.state)).then(b.submitted_ms.cmp(&a.submitted_ms))
});
return view! {
<div class="answer-list">
<For
each=move || answers.clone()
key=|a| a.id.clone()
children={
let question_id = question_id.clone();
let alternative = alternative.clone();
let feature_name = feature_name.clone();
let transitions = transitions.clone();
move |answer: Answer| {
view! {
<AnswerRow
question_id=question_id.clone()
alternative=alternative.clone()
feature_name=feature_name.clone()
transitions=transitions.clone()
answer=answer
/>
}
.into_any()
}
}
/>
</div>
}
.into_any();
}
if items.is_empty() {
return view! { <p class="resource-empty">"Nothing here yet."</p> }.into_any();
}
// A list of plain objects (e.g. a jq-shaped GiteaStarred/Url
// resource) - render as cards rather than dumping raw JSON.
// Generic on purpose, no content-declared "kind": `name`/`title`
// becomes the heading (linked, if `url`/`html_url` is present),
// `description` becomes the body text, and every other non-null
// field becomes a small key/value chip - same idea as
// `AnswerRow`'s `answer-fields`, just for data that isn't an
// `Answer`.
if items.iter().all(|i| i.is_object()) {
let items = items.clone();
return view! {
<div class="item-list">
<For
each=move || items.clone()
key=|item| item.to_string()
children=|item: serde_json::Value| view! { <ItemCard item=item/> }.into_any()
/>
</div>
}
.into_any();
}
}
view! { <pre class="resource-raw">{value.to_string()}</pre> }.into_any()
}
/// Pulls the first present, non-null string field out of a JSON object
/// matching one of `keys`, tried in order - shared between `ItemCard`
/// and `SelectField`'s option rendering, since both need "guess a
/// display label out of an otherwise-arbitrary shaped object" and
/// should agree on the same guesses.
fn text_field(
obj: &serde_json::Map<String, serde_json::Value>,
keys: &[&str],
) -> Option<String> {
keys.iter().find_map(|k| obj.get(*k)).and_then(|v| v.as_str()).map(str::to_string)
}
/// One card in a generic (non-`Answer`) resource list - see
/// `ResourceValue`.
#[component]
fn ItemCard(item: serde_json::Value) -> impl IntoView {
let obj = item.as_object().cloned().unwrap_or_default();
let name = text_field(&obj, &["name", "title"]);
let description = text_field(&obj, &["description"]);
let url = text_field(&obj, &["url", "html_url"]);
let known = ["name", "title", "description", "url", "html_url"];
let extra: Vec<(String, String)> = obj
.iter()
.filter(|(k, v)| !known.contains(&k.as_str()) && !v.is_null())
.map(|(k, v)| {
let text = v.as_str().map(str::to_string).unwrap_or_else(|| v.to_string());
(k.clone(), text)
})
.collect();
view! {
<article class="item-card">
{(name.is_some() || url.is_some())
.then(|| {
view! {
<div class="item-card-title">
{match (name.clone(), url.clone()) {
(Some(n), Some(u)) => {
view! {
<a href=u target="_blank" rel="noopener noreferrer">
{n}
</a>
}
.into_any()
}
(Some(n), None) => view! { <span>{n}</span> }.into_any(),
(None, Some(u)) => {
view! {
<a href=u.clone() target="_blank" rel="noopener noreferrer">
{u.clone()}
</a>
}
.into_any()
}
(None, None) => ().into_any(),
}}
</div>
}
})}
{description.map(|d| view! { <p class="item-card-description">{d}</p> })}
{(!extra.is_empty())
.then(|| {
view! {
<div class="item-card-fields">
<For
each=move || extra.clone()
key=|(k, _)| k.clone()
children=|(k, v)| {
view! {
<span class="item-card-field">
<span class="item-card-field-key">{k}</span>
{v}
</span>
}
.into_any()
}
/>
</div>
}
})}
</article>
}
}
/// A `type: select` requirement's options, fetched from
/// `Requirement.resource` (`get_requirement_options`) and rendered as
/// toggleable buttons - single-select (radio-like: picking one clears
/// any other) or multi-select (checkbox-like: each toggles
/// independently), per `multiple`. `sig` holds the currently-selected
/// id(s); the caller (`AlternativeCard`) reads it back at submit time.
#[component]
fn SelectField(
question_id: String,
alternative: String,
feature_name: String,
requirement_name: String,
multiple: bool,
/// Which field in each item is its stable id - `None` tries `_id`
/// then `id`, matching `Requirement.id_field`'s own default.
id_field: Option<String>,
sig: RwSignal<Vec<String>>,
) -> impl IntoView {
let data = Resource::new(
{
let question_id = question_id.clone();
let alternative = alternative.clone();
let feature_name = feature_name.clone();
let requirement_name = requirement_name.clone();
move || {
(
question_id.clone(),
alternative.clone(),
feature_name.clone(),
requirement_name.clone(),
)
}
},
|(q, a, f, r)| get_requirement_options(q, a, f, r, std::collections::HashMap::new()),
);
view! {
<div class="select-field">
<Suspense fallback=|| view! { <p class="resource-loading">"loading…"</p> }>
{move || {
let id_field = id_field.clone();
data.get()
.map(|res| match res {
Ok(serde_json::Value::Array(items)) if !items.is_empty() => {
view! {
<div class="select-options">
<For
each={
let items = items.clone();
move || items.clone()
}
key=|item| item.to_string()
children={
let id_field = id_field.clone();
move |item: serde_json::Value| {
let obj = item.as_object().cloned().unwrap_or_default();
let id = match &id_field {
Some(f) => obj
.get(f)
.and_then(|v| v.as_str())
.map(str::to_string),
None => text_field(&obj, &["_id", "id"]),
}
.unwrap_or_default();
let display = text_field(&obj, &["name", "title", "label"])
.unwrap_or_else(|| id.clone());
let id_for_selected = id.clone();
let id_for_click = id.clone();
view! {
<button
type="button"
class="select-option"
class:selected=move || {
sig.get().contains(&id_for_selected)
}
on:click=move |_| {
sig.update(|v| {
if let Some(pos) = v
.iter()
.position(|x| x == &id_for_click)
{
v.remove(pos);
} else if multiple {
v.push(id_for_click.clone());
} else {
*v = vec![id_for_click.clone()];
}
});
}
>
{display}
</button>
}
.into_any()
}
}
/>
</div>
}
.into_any()
}
Ok(_) => view! { <p class="resource-empty">"Nothing to pick from yet."</p> }.into_any(),
Err(e) => view! { <p class="resource-error">{e.to_string()}</p> }.into_any(),
})
}}
</Suspense>
</div>
}
}
#[component]
fn AnswerRow(
question_id: String,
alternative: String,
feature_name: String,
transitions: Vec<Transition>,
answer: Answer,
) -> impl IntoView {
let is_open = answer.state == crate::answers::OPEN_STATE;
let responses = answer
.responses
.as_object()
.cloned()
.unwrap_or_default();
let submitted_ms = answer.submitted_ms;
let state = answer.state.clone();
let item_id = answer.id.clone();
let transition = ServerAction::<TransitionAnswer>::new();
view! {
<article class="answer-row" class:decided=move || !is_open>
<div class="answer-fields">
<For
each={
let responses = responses.clone();
move || responses.clone().into_iter().collect::<Vec<_>>()
}
key=|(k, _)| k.clone()
children=move |(key, value)| {
let text = value.as_str().map(str::to_string).unwrap_or_else(|| value.to_string());
view! {
<div class="answer-field">
<span class="answer-field-key">{key}</span>
<span class="answer-field-value">{text}</span>
</div>
}
.into_any()
}
/>
</div>
<div class="answer-meta">
<span class="answer-state">{state}</span>
<span class="answer-time">{format_ms(submitted_ms)}</span>
</div>
<Show when={
let transitions = transitions.clone();
move || is_open && !transitions.is_empty()
}>
<div class="answer-actions">
<For
each={
let transitions = transitions.clone();
move || transitions.clone()
}
key=|t| t.to.clone()
children={
let question_id = question_id.clone();
let alternative = alternative.clone();
let feature_name = feature_name.clone();
let item_id = item_id.clone();
move |t: Transition| {
let question_id = question_id.clone();
let alternative = alternative.clone();
let feature_name = feature_name.clone();
let item_id = item_id.clone();
let to = t.to.clone();
view! {
<button
class="answer-action"
on:click=move |_| {
transition.dispatch(TransitionAnswer {
question_id: question_id.clone(),
alternative: alternative.clone(),
feature_name: feature_name.clone(),
item_id: item_id.clone(),
to: to.clone(),
});
}
disabled=move || transition.pending().get()
>
{t.label.clone()}
</button>
}
.into_any()
}
}
/>
</div>
</Show>
</article>
}
}
fn format_ms(ms: i64) -> String {
#[cfg(feature = "ssr")]
{
use chrono::TimeZone;
chrono::Utc
.timestamp_millis_opt(ms)
.single()
.map(|t| t.format("%Y-%m-%d %H:%M UTC").to_string())
.unwrap_or_else(|| ms.to_string())
}
#[cfg(not(feature = "ssr"))]
{
ms.to_string()
}
}
#[component]
fn NotFound() -> impl IntoView {
view! {
<main class="not-found">
<h1>"Nothing here"</h1>
<a href="/">"back to the start"</a>
</main>
}
}
#[server]
pub async fn get_question(path: String) -> Result<Option<Question>, ServerFnError> {
use crate::server::AppState;
let state = expect_context::<AppState>();
Ok(state.questions.load().get(&path).cloned())
}
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct SubmitResult {
pub next: Option<String>,
pub chain_hash: String,
}
#[server]
pub async fn submit_answer(
question_id: String,
alternative: String,
parent_hash: Option<String>,
responses_json: String,
) -> Result<SubmitResult, ServerFnError> {
use crate::answers::store_answer;
use crate::auth::{User, SESSION_USER_KEY};
use crate::chain::hash_node;
use crate::content::is_qualified;
use crate::events::{emit_answer_submitted, AnswerSubmitted};
use crate::server::AppState;
let state = expect_context::<AppState>();
let question = state
.questions
.load()
.get(&question_id)
.cloned()
.ok_or_else(|| ServerFnError::new("unknown question"))?;
let session: tower_sessions::Session = leptos_axum::extract().await?;
let user = session
.get::<User>(SESSION_USER_KEY)
.await
.map_err(|e| ServerFnError::new(e.to_string()))?;
if !is_qualified(user.as_ref(), &question) {
return Err(ServerFnError::new("not authorized for this question"));
}
let alt = question
.alternatives
.iter()
.find(|a| a.name == alternative)
.ok_or_else(|| ServerFnError::new("unknown alternative"))?;
let next = alt.action.clone();
let record_as = alt.record_as.clone();
let responses: serde_json::Value = serde_json::from_str(&responses_json)
.map_err(|e| ServerFnError::new(format!("invalid responses: {e}")))?;
let parent_hashes: Vec<String> = parent_hash.into_iter().collect();
let timestamp_ms = chrono::Utc::now().timestamp_millis();
let chain_hash = hash_node(&question_id, &parent_hashes, &responses, timestamp_ms);
emit_answer_submitted(
&state.nats,
&AnswerSubmitted {
chain_hash: chain_hash.clone(),
parent_hashes,
question_id: question_id.clone(),
alternative: alternative.clone(),
responses: responses.clone(),
timestamp_ms,
},
)
.await
.map_err(|e| ServerFnError::new(format!("nats publish failed: {e}")))?;
// Best-effort: a bucket-write hiccup shouldn't fail a submission the
// NATS event has already recorded.
if let Some(bucket) = &record_as {
if let Err(e) = store_answer(
&state.jetstream,
bucket,
chain_hash.clone(),
&question_id,
&alternative,
&responses,
timestamp_ms,
)
.await
{
tracing::error!("failed to store answer in {bucket}: {e}");
}
}
Ok(SubmitResult { next, chain_hash })
}
/// Fire-and-forget "this question wasn't helpful" report - a plain log
/// entry in the event store (`aggregate_type: "question_report"`, no
/// state machine, nothing to transition), reviewable via
/// `events::store::load_events(js, "question_report", question_id)` the
/// same way any other aggregate's history is. No auth, same as reading
/// a public question - a report is cheap, low-stakes signal, not
/// something worth gating behind a session.
#[server]
pub async fn report_question(
question_id: String,
reason: Option<String>,
) -> Result<(), ServerFnError> {
use crate::server::AppState;
let state = expect_context::<AppState>();
let occurred_at_ms = chrono::Utc::now().timestamp_millis();
crate::events::store::append_event(
&state.jetstream,
"question_report",
&question_id,
"reported",
serde_json::json!({ "reason": reason }),
occurred_at_ms,
None,
)
.await
.map_err(|e| ServerFnError::new(e.to_string()))?;
Ok(())
}
/// Uploads one file to `POST /upload` and returns its stored object key
/// - the value a `type: file` requirement contributes to
/// `responses_json`, same as any other field. A plain `fetch`, not a
/// Leptos server fn: those aren't built for binary bodies, and the
/// server side is a raw Axum multipart handler (`src/upload.rs`) for
/// the same reason.
#[cfg(feature = "hydrate")]
async fn upload_file(file: &web_sys::File) -> Result<String, wasm_bindgen::JsValue> {
use wasm_bindgen::{JsCast, JsValue};
use wasm_bindgen_futures::JsFuture;
use web_sys::{FormData, Request, RequestInit, Response};
let form = FormData::new()?;
form.append_with_blob("file", file)?;
let opts = RequestInit::new();
opts.set_method("POST");
opts.set_body_opt_form_data(Some(&form));
let request = Request::new_with_str_and_init("/upload", &opts)?;
let window = web_sys::window().ok_or_else(|| JsValue::from_str("no window"))?;
let resp: Response = JsFuture::from(window.fetch_with_request(&request))
.await?
.dyn_into()?;
if !resp.ok() {
return Err(JsValue::from_str(&format!(
"upload failed with status {}",
resp.status()
)));
}
let json = JsFuture::from(resp.json()?).await?;
js_sys::Reflect::get(&json, &JsValue::from_str("key"))?
.as_string()
.ok_or_else(|| JsValue::from_str("upload response had no key"))
}