Add equities tape to UI

This commit is contained in:
dirtydishes 2025-12-27 19:58:58 -05:00
parent c30429161c
commit 053e8e6cea
3 changed files with 190 additions and 75 deletions

View file

@ -67,6 +67,33 @@ h1 {
color: #4e3e25; color: #4e3e25;
} }
.summary {
display: grid;
gap: 8px;
padding: 16px 20px;
border-radius: 16px;
border: 1px solid var(--panel-border);
background: #fffdf7;
min-width: 220px;
}
.summary-title {
font-size: 0.75rem;
text-transform: uppercase;
letter-spacing: 0.28em;
color: #6f5b39;
}
.summary-value {
font-size: 1rem;
}
.cards {
display: grid;
gap: 28px;
grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.status { .status {
display: grid; display: grid;
gap: 8px; gap: 8px;
@ -77,6 +104,11 @@ h1 {
min-width: 220px; min-width: 220px;
} }
.status-compact {
padding: 12px 16px;
min-width: 180px;
}
.status-dot { .status-dot {
width: 12px; width: 12px;
height: 12px; height: 12px;
@ -130,17 +162,6 @@ h1 {
color: #5b4c34; color: #5b4c34;
} }
.badge {
text-transform: uppercase;
letter-spacing: 0.2em;
font-size: 0.65rem;
padding: 8px 14px;
border-radius: 999px;
border: 1px solid var(--accent);
color: var(--accent);
background: rgba(47, 109, 79, 0.08);
}
.list { .list {
display: grid; display: grid;
gap: 14px; gap: 14px;
@ -172,6 +193,23 @@ h1 {
color: #5b4c34; color: #5b4c34;
} }
.flag {
padding: 2px 8px;
border-radius: 999px;
font-size: 0.7rem;
letter-spacing: 0.1em;
text-transform: uppercase;
border: 1px solid rgba(47, 109, 79, 0.4);
color: #2f6d4f;
background: rgba(47, 109, 79, 0.12);
}
.flag-muted {
border-color: rgba(111, 91, 57, 0.4);
color: #6f5b39;
background: rgba(111, 91, 57, 0.12);
}
.time { .time {
font-size: 0.85rem; font-size: 0.85rem;
color: #6f5b39; color: #6f5b39;

View file

@ -1,25 +1,33 @@
"use client"; "use client";
import { useEffect, useMemo, useRef, useState } from "react"; import { useEffect, useMemo, useRef, useState } from "react";
import type { OptionPrint } from "@islandflow/types"; import type { EquityPrint, OptionPrint } from "@islandflow/types";
const MAX_ITEMS = 60; const MAX_ITEMS = 60;
const LOCAL_HOSTS = new Set(["localhost", "127.0.0.1"]); const LOCAL_HOSTS = new Set(["localhost", "127.0.0.1"]);
type WsStatus = "connecting" | "connected" | "disconnected"; type WsStatus = "connecting" | "connected" | "disconnected";
type OptionMessage = { type MessageType = "option-print" | "equity-print";
type: "option-print";
payload: OptionPrint; type StreamMessage<T> = {
type: MessageType;
payload: T;
}; };
const buildWsUrl = (): string => { type TapeState<T> = {
status: WsStatus;
items: T[];
lastUpdate: number | null;
};
const buildWsUrl = (path: string): string => {
const envBase = process.env.NEXT_PUBLIC_API_URL; const envBase = process.env.NEXT_PUBLIC_API_URL;
if (envBase) { if (envBase) {
const url = new URL(envBase); const url = new URL(envBase);
url.protocol = url.protocol === "https:" ? "wss:" : "ws:"; url.protocol = url.protocol === "https:" ? "wss:" : "ws:";
url.pathname = "/ws/options"; url.pathname = path;
url.search = ""; url.search = "";
url.hash = ""; url.hash = "";
return url.toString(); return url.toString();
@ -30,7 +38,7 @@ const buildWsUrl = (): string => {
const isLocal = LOCAL_HOSTS.has(hostname); const isLocal = LOCAL_HOSTS.has(hostname);
const host = isLocal ? `${hostname}:4000` : window.location.host; const host = isLocal ? `${hostname}:4000` : window.location.host;
return `${wsProtocol}://${host}/ws/options`; return `${wsProtocol}://${host}${path}`;
}; };
const formatPrice = (price: number): string => { const formatPrice = (price: number): string => {
@ -45,25 +53,25 @@ const formatTime = (ts: number): string => {
return new Date(ts).toLocaleTimeString(); return new Date(ts).toLocaleTimeString();
}; };
export default function HomePage() { const statusLabel = (status: WsStatus): string => {
switch (status) {
case "connected":
return "Live";
case "connecting":
return "Connecting";
case "disconnected":
default:
return "Disconnected";
}
};
const useTape = <T,>(path: string, expectedType: MessageType): TapeState<T> => {
const [status, setStatus] = useState<WsStatus>("connecting"); const [status, setStatus] = useState<WsStatus>("connecting");
const [prints, setPrints] = useState<OptionPrint[]>([]); const [items, setItems] = useState<T[]>([]);
const [lastUpdate, setLastUpdate] = useState<number | null>(null); const [lastUpdate, setLastUpdate] = useState<number | null>(null);
const reconnectRef = useRef<number | null>(null); const reconnectRef = useRef<number | null>(null);
const socketRef = useRef<WebSocket | null>(null); const socketRef = useRef<WebSocket | null>(null);
const statusLabel = useMemo(() => {
switch (status) {
case "connected":
return "Live";
case "connecting":
return "Connecting";
case "disconnected":
default:
return "Disconnected";
}
}, [status]);
useEffect(() => { useEffect(() => {
let active = true; let active = true;
@ -74,7 +82,7 @@ export default function HomePage() {
setStatus("connecting"); setStatus("connecting");
const socket = new WebSocket(buildWsUrl()); const socket = new WebSocket(buildWsUrl(path));
socketRef.current = socket; socketRef.current = socket;
socket.onopen = () => { socket.onopen = () => {
@ -90,12 +98,12 @@ export default function HomePage() {
} }
try { try {
const message = JSON.parse(event.data) as OptionMessage; const message = JSON.parse(event.data) as StreamMessage<T>;
if (message.type !== "option-print") { if (!message || message.type !== expectedType) {
return; return;
} }
setPrints((prev) => { setItems((prev) => {
const next = [message.payload, ...prev]; const next = [message.payload, ...prev];
return next.slice(0, MAX_ITEMS); return next.slice(0, MAX_ITEMS);
}); });
@ -137,7 +145,39 @@ export default function HomePage() {
socketRef.current.close(); socketRef.current.close();
} }
}; };
}, []); }, [path, expectedType]);
return { status, items, lastUpdate };
};
type TapeStatusProps = {
status: WsStatus;
lastUpdate: number | null;
};
const TapeStatus = ({ status, lastUpdate }: TapeStatusProps) => {
return (
<div className={`status status-${status} status-compact`}>
<span className="status-dot" />
<span>{statusLabel(status)}</span>
{lastUpdate ? (
<span className="timestamp">Updated {formatTime(lastUpdate)}</span>
) : (
<span className="timestamp">Waiting for data</span>
)}
</div>
);
};
export default function HomePage() {
const options = useTape<OptionPrint>("/ws/options", "option-print");
const equities = useTape<EquityPrint>("/ws/equities", "equity-print");
const lastSeen = useMemo(() => {
return [options.lastUpdate, equities.lastUpdate]
.filter((value): value is number => value !== null)
.sort((a, b) => b - a)[0] ?? null;
}, [options.lastUpdate, equities.lastUpdate]);
return ( return (
<main className="dashboard"> <main className="dashboard">
@ -145,51 +185,87 @@ export default function HomePage() {
<div> <div>
<p className="eyebrow">Realtime flow workspace</p> <p className="eyebrow">Realtime flow workspace</p>
<h1>Islandflow</h1> <h1>Islandflow</h1>
<p className="subtitle">Live option prints streaming from /ws/options.</p> <p className="subtitle">
Options + equities streaming over WebSocket from the local API gateway.
</p>
</div> </div>
<div className={`status status-${status}`}> <div className="summary">
<span className="status-dot" /> <span className="summary-title">Last update</span>
<span>{statusLabel}</span> <span className="summary-value">
{lastUpdate ? ( {lastSeen ? formatTime(lastSeen) : "Waiting for data"}
<span className="timestamp">Updated {formatTime(lastUpdate)}</span> </span>
) : (
<span className="timestamp">Waiting for data</span>
)}
</div> </div>
</header> </header>
<section className="card"> <div className="cards">
<div className="card-header"> <section className="card">
<div> <div className="card-header">
<h2>Options Tape</h2> <div>
<p className="card-subtitle">Newest prints first (max {MAX_ITEMS}).</p> <h2>Options Tape</h2>
<p className="card-subtitle">Newest prints first (max {MAX_ITEMS}).</p>
</div>
<TapeStatus status={options.status} lastUpdate={options.lastUpdate} />
</div> </div>
<span className="badge">Live</span>
</div>
<div className="list"> <div className="list">
{prints.length === 0 ? ( {options.items.length === 0 ? (
<div className="empty">No prints yet. Start ingest-options to populate the tape.</div> <div className="empty">No option prints yet. Start ingest-options.</div>
) : ( ) : (
prints.map((print) => ( options.items.map((print) => (
<div className="row" key={`${print.trace_id}-${print.seq}`}> <div className="row" key={`${print.trace_id}-${print.seq}`}>
<div> <div>
<div className="contract">{print.option_contract_id}</div> <div className="contract">{print.option_contract_id}</div>
<div className="meta"> <div className="meta">
<span>${formatPrice(print.price)}</span> <span>${formatPrice(print.price)}</span>
<span>{formatSize(print.size)}x</span> <span>{formatSize(print.size)}x</span>
<span>{print.exchange}</span> <span>{print.exchange}</span>
{print.conditions?.length ? ( {print.conditions?.length ? (
<span>{print.conditions.join(", ")}</span> <span>{print.conditions.join(", ")}</span>
) : null} ) : null}
</div>
</div> </div>
<div className="time">{formatTime(print.ts)}</div>
</div> </div>
<div className="time">{formatTime(print.ts)}</div> ))
</div> )}
)) </div>
)} </section>
</div>
</section> <section className="card">
<div className="card-header">
<div>
<h2>Equities Tape</h2>
<p className="card-subtitle">Off-exchange flag highlighted.</p>
</div>
<TapeStatus status={equities.status} lastUpdate={equities.lastUpdate} />
</div>
<div className="list">
{equities.items.length === 0 ? (
<div className="empty">No equity prints yet. Start ingest-equities.</div>
) : (
equities.items.map((print) => (
<div className="row" key={`${print.trace_id}-${print.seq}`}>
<div>
<div className="contract">{print.underlying_id}</div>
<div className="meta">
<span>${formatPrice(print.price)}</span>
<span>{formatSize(print.size)}x</span>
<span>{print.exchange}</span>
{print.offExchangeFlag ? (
<span className="flag">Off-Ex</span>
) : (
<span className="flag flag-muted">Lit</span>
)}
</div>
</div>
<div className="time">{formatTime(print.ts)}</div>
</div>
))
)}
</div>
</section>
</div>
</main> </main>
); );
} }

View file

@ -1,4 +1,5 @@
/// <reference types="next" /> /// <reference types="next" />
/// <reference types="next/image-types/global" /> /// <reference types="next/image-types/global" />
// Note: This file is normally generated by Next.js. // NOTE: This file should not be edited
// see https://nextjs.org/docs/app/building-your-application/configuring/typescript for more information.