"""QuoteTable — watchlist tickers as a full-width styled data table (empty-state landing page)."""
import streamlit as st
import streamlit.components.v1 as components
from concurrent.futures import ThreadPoolExecutor, as_completed
from services.data_service import get_company_info
from utils.security import escape_html
def _fetch_info(sym: str) -> tuple[str, dict]:
return sym, get_company_info(sym) or {}
def render_quotetable(watchlist: list[str]) -> None:
"""Render watchlist tickers as a styled quote table.
Shows Symbol · Sector · Last · Δ · % Day · Volume. Clicking a row sets
st.session_state["ticker"] and reruns. Uses the same hidden-input JS
pattern as the sidebar watchlist.
"""
# Process any pending row click — always clear stale state
clicked = st.session_state.get("_qt_click", "")
if clicked:
st.session_state["_qt_click"] = ""
if clicked in watchlist:
st.session_state["ticker"] = clicked
st.rerun()
st.text_input("qt_click_receiver", key="_qt_click", label_visibility="collapsed")
# Fetch all tickers in parallel
infos: dict[str, dict] = {}
with ThreadPoolExecutor(max_workers=min(len(watchlist), 8)) as pool:
futures = {pool.submit(_fetch_info, sym): sym for sym in watchlist}
for future in as_completed(futures):
sym, info = future.result()
infos[sym] = info
# Build row data
rows_html = ""
for sym in watchlist:
try:
info = infos.get(sym, {})
price = (
info.get("regularMarketPrice")
or info.get("currentPrice")
or info.get("previousClose")
)
prev = info.get("regularMarketPreviousClose") or info.get("previousClose")
sector = info.get("sector") or info.get("quoteType") or ""
vol = info.get("volume")
sym_e = escape_html(sym)
sector_e = escape_html(sector)
if price is not None and prev and prev > 0:
chg = price - prev
pct = chg / prev * 100
sign = "+" if chg >= 0 else "−"
arrow = "▲" if chg >= 0 else "▼"
chg_cls = "pos" if chg >= 0 else "neg"
px_str = "$" + f"{price:,.2f}"
chg_str = arrow + " " + f"{abs(chg):.2f}"
pct_str = sign + f"{abs(pct):.2f}%"
elif price is not None:
chg_cls = "flat"
px_str = "$" + f"{price:,.2f}"
chg_str = "—"
pct_str = "—"
else:
chg_cls = "flat"
px_str = "—"
chg_str = "—"
pct_str = "—"
if vol is not None:
if vol >= 1_000_000:
vol_str = f"{vol/1_000_000:.1f}M"
elif vol >= 1_000:
vol_str = f"{vol/1_000:.0f}K"
else:
vol_str = str(vol)
else:
vol_str = "—"
rows_html += (
""
"| " + sym_e + " | "
"" + sector_e + " | "
"" + px_str + " | "
"" + chg_str + " | "
"" + pct_str + " | "
"" + vol_str + " | "
"
"
)
except Exception:
sym_e = escape_html(sym)
rows_html += (
""
"| " + sym_e + " | "
"— | "
"— | "
"— | "
"— | "
"— | "
"
"
)
n = len(watchlist)
height = 40 + 36 + n * 47 + 24 # card-head + thead + rows + buffer
html = (
""
""
"
"
"
"
""
"| Symbol | Sector | "
"Last | Δ | "
"% Day | Volume | "
"
"
"" + rows_html + ""
"
"
"