Versie 0.2.0

client/ui/activity.js

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+// Generated, do not edit. sha256:88f1ff40757f8e5095efe909c3a45c2f437406121459c4091bd0b4d3c80eac8c
+import { localDate } from '../../shared/time.js';
+
+const DAY_MS = 86400000;
+
+const dayMs = iso => {
+  const d = localDate(iso);
+  return d ? Date.UTC(Number(d.slice(0, 4)), Number(d.slice(5, 7)) - 1, Number(d.slice(8, 10))) : null;
+};
+
+export function activityItems({ accountIds, trades = [], transfers = [], interest = [], valuations = [],
+  schedules = [], accounts = [], reservations = [], interestDue = [] }) {
+  const ids = new Set(accountIds);
+  const items = [];
+  const add = (at, accountId, kind, dir, table = null, id = null, assetId = null) => {
+    const x = dayMs(at);
+    if (x != null && ids.has(accountId)) items.push({ x, accountId, kind, dir, table, id, assetId });
+  };
+  for (const r of trades) {
+    if (r.type === 'buy') add(r.occurredAt, r.toAccountId, 'buy', 1, 'trades', r.id, r.assetId);
+    else if (r.type === 'sell') add(r.occurredAt, r.fromAccountId, 'sell', -1, 'trades', r.id, r.assetId);
+  }
+  for (const r of transfers) {
+    add(r.occurredAt, r.fromAccountId, 'transferOut', -1, 'transfers', r.id, r.assetId);
+    add(r.occurredAt, r.toAccountId, 'transferIn', 1, 'transfers', r.id, r.assetId);
+  }
+  for (const r of interest) add(r.occurredAt, r.toAccountId, 'interest', 1, 'interest', r.id, r.assetId);
+  for (const r of valuations) add(r.rateAt || r.valuedOn, r.accountId, 'balance', 0, 'valuations', r.id, r.assetId);
+  for (const s of schedules) {
+    add(s.startsOn, s.accountId, 'agreementStart', 0);
+    if (s.endsOn) add(s.endsOn, s.accountId, 'agreementEnd', 0);
+  }
+  for (const r of reservations) add(r.occurredAt, r.fromAccountId ?? r.toAccountId, 'reservation', 0, 'reservations', r.id, r.assetId);
+  for (const p of interestDue) add(p.periodEnd, p.accountId, 'interestDue', 0);
+  for (const a of accounts) {
+    if (a.createdAt) add(a.createdAt, a.id, 'accountOpened', 0);
+    if (a.closedAt) add(a.closedAt, a.id, 'accountClosed', 0);
+    if (a.updatedAt) add(a.updatedAt, a.id, 'accountChanged', 0);
+  }
+  return items;
+}
+
+export function heartbeat(items, todayIso, fromIso = null) {
+  const from = fromIso ? dayMs(fromIso) : null;
+  if (from != null) items = items.filter(it => it.x >= from);
+  if (!items.length) return null;
+  const byDay = new Map();
+  for (const it of items) {
+    if (!byDay.has(it.x)) byDay.set(it.x, []);
+    byDay.get(it.x).push(it);
+  }
+  const today = dayMs(todayIso);
+  const last = Math.max(...byDay.keys(), today);
+  const first = Math.min(from ?? Math.min(...byDay.keys(), today) - DAY_MS, last - DAY_MS);
+  const points = [];
+  for (let x = first; x <= last; x += DAY_MS) {
+    const day = byDay.get(x) || [];
+    const up = day.filter(i => i.dir > 0).length;
+    const down = day.filter(i => i.dir < 0).length;
+    points.push([x, up || down ? (up >= down ? Math.sqrt(up) : -Math.sqrt(down)) : 0]);
+  }
+  return { points, byDay };
+}