From 7f46d6774effdf14e382d72993320821041e55cd Mon Sep 17 00:00:00 2001
From: bot-frontend <bot-frontend@gendsgn.local>
Date: Sat, 30 May 2026 18:36:32 +0300
Subject: [PATCH] =?UTF-8?q?fix(tradein):=20guard=20=D0=B4=D0=B5=D0=BB?=
 =?UTF-8?q?=D0=B5=D0=BD=D0=B8=D1=8F=20=D0=BD=D0=B0=20median=3D0=20=D0=B2?=
 =?UTF-8?q?=20ListingsCard/DealsCard?=
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При пустой оценке (median_price_rub<=0) CV и «ниже рынка» делились на 0 →
клиент видел «Infinity%»/«NaN%». Обёрнуто в guard m>0 ? ... : «—».
Доп: знак сравнения сделок к рынку — «ниже»/«выше» по знаку diff.

Refs #741
---
 tradein-mvp/frontend/src/components/trade-in/DealsCard.tsx | 7 +++++--
 .../frontend/src/components/trade-in/ListingsCard.tsx      | 7 ++++++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/tradein-mvp/frontend/src/components/trade-in/DealsCard.tsx b/tradein-mvp/frontend/src/components/trade-in/DealsCard.tsx
index 846ecea2..3e83312e 100644
--- a/tradein-mvp/frontend/src/components/trade-in/DealsCard.tsx
+++ b/tradein-mvp/frontend/src/components/trade-in/DealsCard.tsx
@@ -86,8 +86,11 @@ export function DealsCard({ estimate }: Props) {
             <span className="unit">млн ₽</span>
           </div>
           <div className="sub">
-            на {(((estimate.median_price_rub - m) / estimate.median_price_rub) * 100).toFixed(0)}%
-            ниже рынка
+            {estimate.median_price_rub > 0
+              ? `на ${Math.abs(((estimate.median_price_rub - m) / estimate.median_price_rub) * 100).toFixed(0)}% ${
+                  estimate.median_price_rub - m >= 0 ? "ниже" : "выше"
+                } рынка`
+              : "—"}
           </div>
         </div>
         <div className="count-cell">
diff --git a/tradein-mvp/frontend/src/components/trade-in/ListingsCard.tsx b/tradein-mvp/frontend/src/components/trade-in/ListingsCard.tsx
index 8a9e1123..8820700e 100644
--- a/tradein-mvp/frontend/src/components/trade-in/ListingsCard.tsx
+++ b/tradein-mvp/frontend/src/components/trade-in/ListingsCard.tsx
@@ -150,7 +150,12 @@ export function ListingsCard({ estimate, estimateId }: Props) {
             </span>
             <span className="unit">млн</span>
           </div>
-          <div className="sub">CV {(((estimate.range_high_rub - estimate.range_low_rub) / m) * 100).toFixed(1)}%</div>
+          <div className="sub">
+            CV{" "}
+            {m > 0
+              ? `${(((estimate.range_high_rub - estimate.range_low_rub) / m) * 100).toFixed(1)}%`
+              : "—"}
+          </div>
         </div>
       </div>
 
-- 
2.45.3