85 lines
3 KiB
Python
85 lines
3 KiB
Python
"""Render a single listing row with trust score, badges, and error states."""
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from __future__ import annotations
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import json
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import streamlit as st
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from app.db.models import Listing, TrustScore, Seller
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from typing import Optional
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def _score_colour(score: int) -> str:
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if score >= 80: return "🟢"
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if score >= 50: return "🟡"
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return "🔴"
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def _flag_label(flag: str) -> str:
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labels = {
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"new_account": "✗ New account",
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"account_under_30_days": "⚠ Account <30d",
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"low_feedback_count": "⚠ Low feedback",
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"suspicious_price": "✗ Suspicious price",
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"duplicate_photo": "✗ Duplicate photo",
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"established_bad_actor": "✗ Bad actor",
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"marketing_photo": "✗ Marketing photo",
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}
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return labels.get(flag, f"⚠ {flag}")
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def render_listing_row(
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listing: Listing,
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trust: Optional[TrustScore],
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seller: Optional[Seller] = None,
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) -> None:
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col_img, col_info, col_score = st.columns([1, 5, 2])
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with col_img:
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if listing.photo_urls:
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# Spec requires graceful 404 handling: show placeholder on failure
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try:
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import requests as _req
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r = _req.head(listing.photo_urls[0], timeout=3, allow_redirects=True)
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if r.status_code == 200:
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st.image(listing.photo_urls[0], width=80)
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else:
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st.markdown("📷 *Photo unavailable*")
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except Exception:
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st.markdown("📷 *Photo unavailable*")
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else:
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st.markdown("📷 *No photo*")
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with col_info:
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st.markdown(f"**{listing.title}**")
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if seller:
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age_str = f"{seller.account_age_days // 365}yr" if seller.account_age_days >= 365 \
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else f"{seller.account_age_days}d"
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st.caption(
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f"{seller.username} · {seller.feedback_count} fb · "
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f"{seller.feedback_ratio*100:.1f}% · member {age_str}"
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)
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else:
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st.caption(f"{listing.seller_platform_id} · *Seller data unavailable*")
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if trust:
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flags = json.loads(trust.red_flags_json or "[]")
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if flags:
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badge_html = " ".join(
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f'<span style="background:#c33;color:#fff;padding:1px 5px;'
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f'border-radius:3px;font-size:11px">{_flag_label(f)}</span>'
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for f in flags
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)
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st.markdown(badge_html, unsafe_allow_html=True)
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if trust.score_is_partial:
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st.caption("⚠ Partial score — some data unavailable")
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else:
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st.caption("⚠ Could not score this listing")
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with col_score:
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if trust:
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icon = _score_colour(trust.composite_score)
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st.metric(label="Trust", value=f"{icon} {trust.composite_score}")
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else:
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st.metric(label="Trust", value="?")
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st.markdown(f"**${listing.price:,.0f}**")
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st.markdown(f"[Open eBay ↗]({listing.url})")
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st.divider()
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