spirit-tracker/viz/app/search_page.js
Brennan Wilkes (Text Groove) a91406ba11 feat: Better sale priorities
2026-01-21 23:19:54 -08:00

416 lines
14 KiB
JavaScript

import { esc, renderThumbHtml, prettyTs } from "./dom.js";
import { tokenizeQuery, matchesAllTokens, displaySku, keySkuForRow, parsePriceToNumber } from "./sku.js";
import { loadIndex, loadRecent, loadSavedQuery, saveQuery } from "./state.js";
import { aggregateBySku } from "./catalog.js";
import { loadSkuRules } from "./mapping.js";
export function renderSearch($app) {
$app.innerHTML = `
<div class="container">
<div class="header">
<div>
<h1 class="h1">Spirit Tracker Viz</h1>
<div class="small">Search name / url / sku (word AND)</div>
</div>
<a class="btn" href="#/link" style="text-decoration:none;">Link SKUs</a>
</div>
<div class="card">
<input id="q" class="input" placeholder="e.g. bowmore sherry, 303821, sierrasprings..." autocomplete="off" />
<div id="results" class="list"></div>
</div>
</div>
`;
const $q = document.getElementById("q");
const $results = document.getElementById("results");
$q.value = loadSavedQuery();
let aggBySku = new Map();
let allAgg = [];
let indexReady = false;
// canonicalSku -> storeLabel -> url
let URL_BY_SKU_STORE = new Map();
function buildUrlMap(listings, canonicalSkuFn) {
const out = new Map();
for (const r of Array.isArray(listings) ? listings : []) {
if (!r || r.removed) continue;
const skuKey = String(keySkuForRow(r) || "").trim();
if (!skuKey) continue;
const sku = String(canonicalSkuFn ? canonicalSkuFn(skuKey) : skuKey);
if (!sku) continue;
const storeLabel = String(r.storeLabel || r.store || "").trim();
const url = String(r.url || "").trim();
if (!storeLabel || !url) continue;
let m = out.get(sku);
if (!m) out.set(sku, (m = new Map()));
if (!m.has(storeLabel)) m.set(storeLabel, url);
}
return out;
}
function urlForAgg(it, storeLabel) {
const sku = String(it?.sku || "");
const s = String(storeLabel || "");
return URL_BY_SKU_STORE.get(sku)?.get(s) || "";
}
function renderAggregates(items) {
if (!items.length) {
$results.innerHTML = `<div class="small">No matches.</div>`;
return;
}
const limited = items.slice(0, 80);
$results.innerHTML = limited
.map((it) => {
const storeCount = it.stores.size || 0;
const plus = storeCount > 1 ? ` +${storeCount - 1}` : "";
const price = it.cheapestPriceStr ? it.cheapestPriceStr : "(no price)";
const store = it.cheapestStoreLabel || ([...it.stores][0] || "Store");
// link must match the displayed store label
const href = urlForAgg(it, store) || String(it.sampleUrl || "").trim();
const storeBadge = href
? `<a class="badge" href="${esc(
href
)}" target="_blank" rel="noopener noreferrer" onclick="event.stopPropagation()">${esc(store)}${esc(
plus
)}</a>`
: `<span class="badge">${esc(store)}${esc(plus)}</span>`;
return `
<div class="item" data-sku="${esc(it.sku)}">
<div class="itemRow">
<div class="thumbBox">
${renderThumbHtml(it.img)}
</div>
<div class="itemBody">
<div class="itemTop">
<div class="itemName">${esc(it.name || "(no name)")}</div>
<span class="badge mono">${esc(displaySku(it.sku))}</span>
</div>
<div class="metaRow">
<span class="mono price">${esc(price)}</span>
${storeBadge}
</div>
</div>
</div>
</div>
`;
})
.join("");
for (const el of Array.from($results.querySelectorAll(".item"))) {
el.addEventListener("click", () => {
const sku = el.getAttribute("data-sku") || "";
if (!sku) return;
saveQuery($q.value);
location.hash = `#/item/${encodeURIComponent(sku)}`;
});
}
}
function salePctOff(oldRaw, newRaw) {
const oldN = parsePriceToNumber(oldRaw);
const newN = parsePriceToNumber(newRaw);
if (!Number.isFinite(oldN) || !Number.isFinite(newN)) return null;
if (!(oldN > 0)) return null;
if (!(newN < oldN)) return null;
const pct = Math.round(((oldN - newN) / oldN) * 100);
return Number.isFinite(pct) && pct > 0 ? pct : null;
}
function pctChange(oldRaw, newRaw) {
const oldN = parsePriceToNumber(oldRaw);
const newN = parsePriceToNumber(newRaw);
if (!Number.isFinite(oldN) || !Number.isFinite(newN)) return null;
if (!(oldN > 0)) return null;
const pct = Math.round(((newN - oldN) / oldN) * 100);
return Number.isFinite(pct) ? pct : null;
}
function tsValue(r) {
const t = String(r?.ts || "");
const ms = t ? Date.parse(t) : NaN;
if (Number.isFinite(ms)) return ms;
const d = String(r?.date || "");
const ms2 = d ? Date.parse(d) : NaN;
return Number.isFinite(ms2) ? ms2 : 0;
}
// Custom priority:
// - Sales that make this store cheapest (or tied cheapest) are most interesting
// - New unique (no other stores have canonical SKU)
// - Other sales (not cheapest) are demoted
// - Removed
// - Price increases
// - New (available elsewhere)
function rankRecent(r, canonSkuFn) {
const rawSku = String(r?.sku || "");
const sku = String(canonSkuFn ? canonSkuFn(rawSku) : rawSku);
const agg = aggBySku.get(sku) || null;
const storeLabelRaw = String(r?.storeLabel || r?.store || "").trim();
const bestStoreRaw = String(agg?.cheapestStoreLabel || "").trim();
const normStore = (s) => String(s || "").trim().toLowerCase();
// Treat "price_change" as down/up if we can infer direction
let kind = String(r?.kind || "");
if (kind === "price_change") {
const o = parsePriceToNumber(r?.oldPrice || "");
const n = parsePriceToNumber(r?.newPrice || "");
if (Number.isFinite(o) && Number.isFinite(n)) {
if (n < o) kind = "price_down";
else if (n > o) kind = "price_up";
}
}
const pctOff = kind === "price_down" ? salePctOff(r?.oldPrice || "", r?.newPrice || "") : null;
const pctUp = kind === "price_up" ? pctChange(r?.oldPrice || "", r?.newPrice || "") : null;
const isNew = kind === "new";
const storeCount = agg?.stores?.size || 0;
const isNewUnique = isNew && storeCount <= 1;
// For sales: demote if this store is NOT the cheapest available now (per aggregate index)
const newPriceNum = kind === "price_down" || kind === "price_up" ? parsePriceToNumber(r?.newPrice || "") : null;
const bestPriceNum = Number.isFinite(agg?.cheapestPriceNum) ? agg.cheapestPriceNum : null;
const EPS = 0.01;
const priceMatchesBest =
Number.isFinite(newPriceNum) && Number.isFinite(bestPriceNum) ? Math.abs(newPriceNum - bestPriceNum) <= EPS : false;
const storeIsBest = normStore(storeLabelRaw) && normStore(bestStoreRaw) && normStore(storeLabelRaw) === normStore(bestStoreRaw);
const saleIsCheapestHere = kind === "price_down" && storeIsBest && priceMatchesBest;
const saleIsTiedCheapest = kind === "price_down" && !storeIsBest && priceMatchesBest;
let score = 0;
if (kind === "price_down") {
if (saleIsCheapestHere) {
score = 6500 + (pctOff || 0);
} else if (saleIsTiedCheapest) {
score = 5900 + Math.floor((pctOff || 0) * 0.5);
} else {
score = 2400 + Math.min(25, Math.max(0, pctOff || 0));
}
} else if (isNewUnique) {
score = 6000;
} else if (kind === "restored") {
score = 5200;
} else if (kind === "removed") {
score = 3000;
} else if (kind === "price_up") {
score = 2000 + Math.min(99, Math.max(0, pctUp || 0));
} else if (kind === "new") {
score = 1000;
} else {
score = 0;
}
let tie = 0;
if (kind === "price_down") tie = (pctOff || 0) * 100000 + tsValue(r);
else if (kind === "price_up") tie = (pctUp || 0) * 100000 + tsValue(r);
else tie = tsValue(r);
return { sku, kind, pctOff, storeCount, isNewUnique, score, tie };
}
function renderRecent(recent, canonicalSkuFn) {
const items = Array.isArray(recent?.items) ? recent.items : [];
if (!items.length) {
$results.innerHTML = `<div class="small">Type to search…</div>`;
return;
}
const canon = typeof canonicalSkuFn === "function" ? canonicalSkuFn : (x) => x;
// Filter to last 24 hours
const nowMs = Date.now();
const cutoffMs = nowMs - 24 * 60 * 60 * 1000;
function eventMs(r) {
const t = String(r?.ts || "");
const ms = t ? Date.parse(t) : NaN;
if (Number.isFinite(ms)) return ms;
// fallback: date-only => treat as start of day UTC-ish
const d = String(r?.date || "");
const ms2 = d ? Date.parse(d + "T00:00:00Z") : NaN;
return Number.isFinite(ms2) ? ms2 : 0;
}
const inWindow = items.filter((r) => {
const ms = eventMs(r);
return ms >= cutoffMs && ms <= nowMs;
});
if (!inWindow.length) {
$results.innerHTML = `<div class="small">No changes in the last 24 hours.</div>`;
return;
}
const ranked = inWindow
.map((r) => ({ r, meta: rankRecent(r, canon) }))
.sort((a, b) => {
if (b.meta.score !== a.meta.score) return b.meta.score - a.meta.score;
if (b.meta.tie !== a.meta.tie) return b.meta.tie - a.meta.tie;
return String(a.meta.sku || "").localeCompare(String(b.meta.sku || ""));
});
const limited = ranked.slice(0, 140);
$results.innerHTML =
`<div class="small">Recently changed (last 24 hours):</div>` +
limited
.map(({ r, meta }) => {
const kindLabel =
meta.kind === "new"
? "NEW"
: meta.kind === "restored"
? "RESTORED"
: meta.kind === "removed"
? "REMOVED"
: meta.kind === "price_down"
? "PRICE ↓"
: meta.kind === "price_up"
? "PRICE ↑"
: meta.kind === "price_change"
? "PRICE"
: "CHANGE";
const priceLine =
meta.kind === "new" || meta.kind === "restored" || meta.kind === "removed"
? `${esc(r.price || "")}`
: `${esc(r.oldPrice || "")}${esc(r.newPrice || "")}`;
const when = r.ts ? prettyTs(r.ts) : r.date || "";
const sku = meta.sku;
const agg = aggBySku.get(sku) || null;
const img = agg?.img || "";
// show "+N" if the canonical SKU exists in other stores (via SKU mapping)
const storeCount = agg?.stores?.size || 0;
const plus = storeCount > 1 ? ` +${storeCount - 1}` : "";
const href = String(r.url || "").trim();
const storeBadge = href
? `<a class="badge" href="${esc(
href
)}" target="_blank" rel="noopener noreferrer" onclick="event.stopPropagation()">${esc(
(r.storeLabel || "") + plus
)}</a>`
: `<span class="badge">${esc((r.storeLabel || "") + plus)}</span>`;
const dateBadge = when ? `<span class="badge mono">${esc(when)}</span>` : "";
const offBadge =
meta.kind === "price_down" && meta.pctOff !== null
? `<span class="badge" style="margin-left:6px; color:rgba(20,110,40,0.95); background:rgba(20,110,40,0.10); border:1px solid rgba(20,110,40,0.20);">[${esc(
meta.pctOff
)}% Off]</span>`
: "";
const kindBadgeStyle =
meta.kind === "new" && meta.isNewUnique
? ` style="color:rgba(20,110,40,0.95); background:rgba(20,110,40,0.10); border:1px solid rgba(20,110,40,0.20);"`
: "";
return `
<div class="item" data-sku="${esc(sku)}">
<div class="itemRow">
<div class="thumbBox">
${renderThumbHtml(img)}
</div>
<div class="itemBody">
<div class="itemTop">
<div class="itemName">${esc(r.name || "(no name)")}</div>
<span class="badge mono">${esc(displaySku(sku))}</span>
</div>
<div class="metaRow">
<span class="badge"${kindBadgeStyle}>${esc(kindLabel)}</span>
<span class="mono price">${esc(priceLine)}</span>
${offBadge}
${storeBadge}
${dateBadge}
</div>
</div>
</div>
</div>
`;
})
.join("");
for (const el of Array.from($results.querySelectorAll(".item"))) {
el.addEventListener("click", () => {
const sku = el.getAttribute("data-sku") || "";
if (!sku) return;
saveQuery($q.value);
location.hash = `#/item/${encodeURIComponent(sku)}`;
});
}
}
function applySearch() {
if (!indexReady) return;
const tokens = tokenizeQuery($q.value);
if (!tokens.length) return;
const matches = allAgg.filter((it) => matchesAllTokens(it.searchText, tokens));
renderAggregates(matches);
}
$results.innerHTML = `<div class="small">Loading index…</div>`;
Promise.all([loadIndex(), loadSkuRules()])
.then(([idx, rules]) => {
const listings = Array.isArray(idx.items) ? idx.items : [];
allAgg = aggregateBySku(listings, rules.canonicalSku);
aggBySku = new Map(allAgg.map((x) => [String(x.sku || ""), x]));
URL_BY_SKU_STORE = buildUrlMap(listings, rules.canonicalSku);
indexReady = true;
$q.focus();
const tokens = tokenizeQuery($q.value);
if (tokens.length) {
applySearch();
} else {
return loadRecent().then((recent) => renderRecent(recent, rules.canonicalSku));
}
})
.catch((e) => {
$results.innerHTML = `<div class="small">Failed to load: ${esc(e.message)}</div>`;
});
let t = null;
$q.addEventListener("input", () => {
saveQuery($q.value);
if (t) clearTimeout(t);
t = setTimeout(() => {
const tokens = tokenizeQuery($q.value);
if (!tokens.length) {
loadSkuRules()
.then((rules) => loadRecent().then((recent) => renderRecent(recent, rules.canonicalSku)))
.catch(() => {
$results.innerHTML = `<div class="small">Type to search…</div>`;
});
return;
}
applySearch();
}, 50);
});
}