fix(ime): pre-fetch and embed real prices on all card faces, remove duplicate chart links and placeholders

backend/ime_metals.py

@@ -4,6 +4,7 @@ import ssl
 import time
 import re
 import threading
+from concurrent.futures import ThreadPoolExecutor
 from typing import Dict, Any, List, Optional
 
 IME_TOKEN = "eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXVCJ9.eyJodHRwOi8vc2NoZW1hcy54bWxzb2FwLm9yZy93cy8yMDA1LzA1L2lkZW50aXR5L2NsYWltcy9uYW1lIjoiMDkzNjMxNDAyNjIiLCJodHRwOi8vc2NoZW1hcy54bWxzb2FwLm9yZy93cy8yMDA1LzA1L2lkZW50aXR5L2NsYWltcy9uYW1laWRlbnRpZmllciI6IjE0ODgiLCJleHAiOjE3ODgzMjQ5MzN9.9r-XUKmRUBQ6uEOZGq09l474ZaDDPazNVUDHuXY2_QmBtS2RU78xJLt753GaGU2SZtpndzNYKWDYaoc58SNyAA"
@@ -16,7 +17,6 @@ _cache_categories = {
     "data": None,
     "last_fetched": 0
 }
-_cache_sub_symbols = {}
 _cache_symbols = {}
 _lock = threading.Lock()
 
@@ -39,7 +39,6 @@ def clean_persian_title(title: str) -> tuple[str, str]:
         return "", ""
     parts = [p.strip() for p in title.split(" - ") if p.strip()]
     if len(parts) >= 3:
-        # Check if middle part is an English symbol code
         if re.search(r'^[A-Za-z0-9_-]+$', parts[1]):
             product = parts[0]
             manufacturer = parts[2]
@@ -49,11 +48,21 @@ def clean_persian_title(title: str) -> tuple[str, str]:
             return parts[0], ""
         return f"{parts[0]} ({parts[1]})", parts[1]
 
-    # Remove any standalone English codes like FTKC-...
     cleaned = re.sub(r'\b[A-Za-z0-9]{3,}-[A-Za-z0-9_-]+\b', '', title)
     cleaned = re.sub(r'\s*-\s*-+\s*', ' - ', cleaned).strip(" -")
     return cleaned or title, ""
 
+def fetch_sub_symbols(sub_id: int) -> tuple[int, List[Dict[str, Any]]]:
+    try:
+        url = f"{BASE_URL}/Symbols/IME/Symbols/GetAll"
+        payload = json.dumps({"PageNumber": 1, "PageSize": 1000, "CategoryId": sub_id}).encode('utf-8')
+        req = urllib.request.Request(url, data=payload, headers=HEADERS)
+        with urllib.request.urlopen(req, context=ctx, timeout=10) as resp:
+            data = json.loads(resp.read().decode('utf-8'))
+            return sub_id, data if isinstance(data, list) else []
+    except:
+        return sub_id, []
+
 def get_ime_categories(ttl_seconds: int = CACHE_TTL) -> List[Dict[str, Any]]:
     now = time.time()
     with _lock:
@@ -67,6 +76,31 @@ def get_ime_categories(ttl_seconds: int = CACHE_TTL) -> List[Dict[str, Any]]:
     with urllib.request.urlopen(req, context=ctx, timeout=12) as resp:
         raw_cats = json.loads(resp.read().decode('utf-8'))
 
+    # Collect subcategories for parallel price enrichment
+    sub_ids = []
+    for root in raw_cats:
+        for sub in root.get("children", []):
+            sub_ids.append(sub.get("id"))
+
+    # Enrich symbols with their latest prices in parallel
+    price_map: Dict[int, Dict[str, Any]] = {}
+    with ThreadPoolExecutor(max_workers=14) as executor:
+        results = list(executor.map(fetch_sub_symbols, sub_ids))
+
+    for s_id, sym_list in results:
+        for s in sym_list:
+            s_num_id = s.get("id")
+            prices = s.get("symbolPrices") or []
+            if prices and s_num_id:
+                last_p = prices[-1]
+                price_map[s_num_id] = {
+                    "id": last_p.get("id"),
+                    "date": last_p.get("date", "").split("T")[0],
+                    "high": last_p.get("high"),
+                    "low": last_p.get("low"),
+                    "mid": last_p.get("mid")
+                }
+
     cleaned = []
     for root in raw_cats:
         root_title = root.get("title", "")
@@ -77,15 +111,18 @@ def get_ime_categories(ttl_seconds: int = CACHE_TTL) -> List[Dict[str, Any]]:
             sub_title = sub.get("title", "")
             symbols = []
             for s in sub.get("symbols", []):
+                s_id = s.get("id")
                 raw_title = s.get("title", "")
                 clean_title, mfr = clean_persian_title(raw_title)
                 product_name = s.get("productName") or clean_title
+                latest_p = price_map.get(s_id)
 
                 symbols.append({
-                    "id": s.get("id"),
+                    "id": s_id,
                     "title": clean_title,
                     "product_name": product_name,
                     "manufacturer": s.get("manufacturer") or mfr,
+                    "latest_price": latest_p,
                     "is_active": s.get("isActive", True),
                     "updated_at": s.get("updatedAt", "")
                 })
@@ -112,58 +149,6 @@ def get_ime_categories(ttl_seconds: int = CACHE_TTL) -> List[Dict[str, Any]]:
 
     return cleaned
 
-def get_ime_subcategory_symbols(sub_id: int, ttl_seconds: int = CACHE_TTL) -> List[Dict[str, Any]]:
-    """
-    Fetches all symbols of a subcategory WITH their latest prices attached.
-    """
-    now = time.time()
-    with _lock:
-        cached = _cache_sub_symbols.get(sub_id)
-        if cached and (now - cached["time"]) < ttl_seconds:
-            return cached["data"]
-
-    url = f"{BASE_URL}/Symbols/IME/Symbols/GetAll"
-    payload = json.dumps({"PageNumber": 1, "PageSize": 1000, "CategoryId": sub_id}).encode('utf-8')
-    req = urllib.request.Request(url, data=payload, headers=HEADERS)
-
-    with urllib.request.urlopen(req, context=ctx, timeout=12) as resp:
-        raw_syms = json.loads(resp.read().decode('utf-8'))
-
-    results = []
-    for s in raw_syms:
-        raw_title = s.get("title", "")
-        clean_title, mfr = clean_persian_title(raw_title)
-        product_name = s.get("productName") or clean_title
-
-        # Latest price from symbolPrices
-        prices = s.get("symbolPrices") or []
-        latest_p = None
-        if prices:
-            last = prices[-1]
-            latest_p = {
-                "id": last.get("id"),
-                "date": last.get("date", "").split("T")[0],
-                "high": last.get("high"),
-                "low": last.get("low"),
-                "mid": last.get("mid")
-            }
-
-        results.append({
-            "id": s.get("id"),
-            "cat_id": s.get("imeCategoryId") or sub_id,
-            "title": clean_title,
-            "product_name": product_name,
-            "manufacturer": s.get("manufacturer") or mfr,
-            "latest_price": latest_p,
-            "total_points": len(prices),
-            "is_active": s.get("isActive", True)
-        })
-
-    with _lock:
-        _cache_sub_symbols[sub_id] = {"time": now, "data": results}
-
-    return results
-
 def get_ime_symbol_detail(symbol_id: int, ttl_seconds: int = CACHE_TTL) -> Dict[str, Any]:
     now = time.time()
     with _lock:
@@ -218,3 +203,6 @@ def get_ime_symbol_detail(symbol_id: int, ttl_seconds: int = CACHE_TTL) -> Dict[
         _cache_symbols[symbol_id] = {"time": now, "data": result}
 
     return result
+
+# Pre-warm cache on boot
+threading.Thread(target=get_ime_categories, daemon=True).start()

frontend/src/components/ImeView.tsx

@@ -5,9 +5,9 @@ import {
   LineChart as LineChartIcon,
   X,
   Loader2,
-  Calendar,
   Building2,
-  TrendingUp,
+  Calendar,
+  Layers,
   ArrowUpRight
 } from "lucide-react";
 import {
@@ -80,17 +80,13 @@ export function ImeView() {
   const [selectedSubId, setSelectedSubId] = useState<number | "ALL">("ALL");
   const [search, setSearch] = useState<string>("");
 
-  // Subcategory price cache (populated when subcategory is clicked)
-  const [subPricesMap, setSubPricesMap] = useState<Record<number, Record<number, ImePricePoint>>>({});
-  const [subLoading, setSubLoading] = useState<boolean>(false);
-
   // Modal Detail
   const [selectedSymbol, setSelectedSymbol] = useState<ImeSymbol | null>(null);
   const [symbolDetail, setSymbolDetail] = useState<ImeSymbolDetail | null>(null);
   const [detailLoading, setDetailLoading] = useState<boolean>(false);
   const [timeframe, setTimeframe] = useState<Timeframe>("ENTIRE");
 
-  // Load categories once on mount (no aggressive interval)
+  // Load enriched categories with embedded latest prices on mount
   useEffect(() => {
     let alive = true;
     setLoading(true);
@@ -117,41 +113,6 @@ export function ImeView() {
     };
   }, []);
 
-  // When a specific subcategory is selected, fetch all its symbols with latest prices attached
-  useEffect(() => {
-    if (selectedSubId === "ALL") return;
-
-    let alive = true;
-    setSubLoading(true);
-
-    fetch(`${API}/api/ime/subcategory/${selectedSubId}/symbols`, { credentials: "include" })
-      .then((r) => {
-        if (!r.ok) throw new Error(`HTTP ${r.status}`);
-        return r.json();
-      })
-      .then((symbols: Array<ImeSymbol & { latest_price?: ImePricePoint }>) => {
-        if (!alive) return;
-        const pMap: Record<number, ImePricePoint> = {};
-        for (const s of symbols) {
-          if (s.latest_price) {
-            pMap[s.id] = s.latest_price;
-          }
-        }
-        setSubPricesMap((prev) => ({
-          ...prev,
-          [selectedSubId as number]: pMap
-        }));
-      })
-      .catch(() => {})
-      .finally(() => {
-        if (alive) setSubLoading(false);
-      });
-
-    return () => {
-      alive = false;
-    };
-  }, [selectedSubId]);
-
   // Fetch symbol detail & full price history when modal opens
   useEffect(() => {
     if (!selectedSymbol) {
@@ -199,9 +160,9 @@ export function ImeView() {
     return cat ? cat.subcategories : [];
   }, [categories, selectedRootId]);
 
-  // Flattened symbols filtered by root, subcategory, and search query (100% clean of English codes)
+  // Flattened symbols filtered by root, subcategory, and search query
   const filteredSymbols = useMemo(() => {
-    let list: Array<ImeSymbol & { rootTitle: string; subTitle: string; subId: number }> = [];
+    let list: Array<ImeSymbol & { rootTitle: string; subTitle: string }> = [];
 
     for (const root of categories) {
       if (selectedRootId !== "ALL" && root.id !== selectedRootId) continue;
@@ -210,15 +171,10 @@ export function ImeView() {
         if (selectedSubId !== "ALL" && sub.id !== selectedSubId) continue;
 
         for (const sym of sub.symbols) {
-          // Look up latest price from subPricesMap if available
-          const priceObj = subPricesMap[sub.id]?.[sym.id] || sym.latest_price;
-
           list.push({
             ...sym,
-            latest_price: priceObj,
             rootTitle: root.title,
             subTitle: sub.title,
-            subId: sub.id
           });
         }
       }
@@ -235,7 +191,7 @@ export function ImeView() {
         s.rootTitle.toLowerCase().includes(q) ||
         s.subTitle.toLowerCase().includes(q)
     );
-  }, [categories, selectedRootId, selectedSubId, search, subPricesMap]);
+  }, [categories, selectedRootId, selectedSubId, search]);
 
   // Filtered prices for modal chart by timeframe
   const chartPoints = useMemo(() => {
@@ -378,12 +334,6 @@ export function ImeView() {
         <span>
           نمایش <strong className="text-foreground">{filteredSymbols.length.toLocaleString()}</strong> نماد معاملاتی
         </span>
-        {subLoading && (
-          <span className="flex items-center gap-1 text-[11px] text-primary">
-            <Loader2 className="w-3 h-3 animate-spin" />
-            <span>در حال بارگذاری قیمت‌های زیردسته...</span>
-          </span>
-        )}
       </div>
 
       {/* Loading state */}
@@ -421,32 +371,33 @@ export function ImeView() {
               {/* LATEST PRICE PROMINENTLY DISPLAYED ON CARD FACE */}
               <div className="mt-4 pt-3 border-t border-border/40 space-y-2">
                 <div className="flex items-baseline justify-between">
-                  <span className="text-[11px] text-muted-foreground">آخرین قیمت:</span>
+                  <span className="text-xs text-muted-foreground">آخرین قیمت:</span>
                   <div className="text-left font-mono">
                     {sym.latest_price?.mid ? (
                       <div>
-                        <div className="text-base font-bold text-primary">
-                          {sym.latest_price.mid.toLocaleString()} <span className="text-[11px] font-normal text-muted-foreground">ریال</span>
+                        <div className="text-lg font-bold text-primary">
+                          {sym.latest_price.mid.toLocaleString()} <span className="text-xs font-normal text-muted-foreground">ریال</span>
                         </div>
-                        <div className="text-[10px] text-muted-foreground">
+                        <div className="text-[11px] text-muted-foreground">
                           {(Math.round(sym.latest_price.mid / 10)).toLocaleString()} تومان
                         </div>
                       </div>
                     ) : (
-                      <span className="text-xs font-semibold text-primary">مشاهده سابقه</span>
+                      <span className="text-xs text-muted-foreground">ثبت معامله ندارد</span>
                     )}
                   </div>
                 </div>
 
-                <div className="flex items-center justify-between text-xs pt-1 border-t border-border/30">
+                <div className="flex items-center justify-between text-xs pt-1.5 border-t border-border/30">
                   <span className="text-[10px] px-2 py-0.5 rounded-md bg-muted/60 text-muted-foreground font-medium">
                     {sym.subTitle || sym.rootTitle}
                   </span>
 
-                  <span className="text-[11px] font-medium text-primary flex items-center gap-1 group-hover:translate-x-[-2px] transition-transform">
-                    <span>نمودار کامل</span>
-                    <ArrowUpRight className="w-3.5 h-3.5" />
-                  </span>
+                  {sym.latest_price?.date && (
+                    <span className="text-[10px] text-muted-foreground font-mono">
+                      {sym.latest_price.date}
+                    </span>
+                  )}
                 </div>
               </div>
             </div>