feat: Add virtualized heatmap grid component with dynamic columns, filtering, and row selection.

src/app/(dashboard)/grid/page.tsx

@@ -1,4 +1,4 @@
-import { getAvailableNomenclature, getFournisseurs, getGridData, getMagasins } from "@/features/grid/actions";
+import { getFournisseurs, getGridData, getMagasins } from "@/features/grid/actions";
 import { GridClient } from "@/features/grid/components/grid-client";
 import { SupplierSelectionLanding } from "@/features/grid/components/supplier-selection-landing";
 
@@ -22,11 +22,10 @@ export default async function GridPage({ searchParams }: GridPageProps) {
         code3: params.code3 || null,
     };
 
-    // 1. Fetch available suppliers, stores & nomenclature hierarchy
-    const [fournisseurs, magasins, nomenclature] = await Promise.all([
+    // 1. Fetch available suppliers & stores
+    const [fournisseurs, magasins] = await Promise.all([
         getFournisseurs(),
         getMagasins(),
-        getAvailableNomenclature()
     ]);
 
     // 2. If no supplier selected, show compact selection UI
@@ -48,7 +47,6 @@ export default async function GridPage({ searchParams }: GridPageProps) {
             fournisseurs={fournisseurs}
             magasins={magasins}
             magasin={magasin}
-            nomenclature={nomenclature}
         />
     );
 }

src/features/grid/components/grid-client.tsx

@@ -22,10 +22,9 @@ interface GridClientProps {
     fournisseurs: { code: string; nom: string }[];
     magasins: { code: string; nom: string }[];
     magasin: string;
-    nomenclature: any; // Type defined in components if needed
 }
 
-export function GridClient({ initialRows, nomFournisseur, fournisseurs, magasins, magasin, nomenclature }: GridClientProps) {
+export function GridClient({ initialRows, nomFournisseur, fournisseurs, magasins, magasin }: GridClientProps) {
     const setRows = useGridStore((s) => s.setRows);
     const setActiveGridQuery = useGridStore((s) => s.setActiveGridQuery);
     const searchParams = useSearchParams();
@@ -121,7 +120,7 @@ export function GridClient({ initialRows, nomFournisseur, fournisseurs, magasins
 
             {/* Filters */}
             <div className="shrink-0 print:hidden">
-                <GridFilterBar fournisseurs={fournisseurs} magasins={magasins} nomenclature={nomenclature} />
+                <GridFilterBar fournisseurs={fournisseurs} magasins={magasins} />
             </div>
 
             {/* Bulk toolbar (contextual) */}

src/features/grid/components/grid-filter-bar.tsx

@@ -22,15 +22,25 @@ import { NomenclatureFilter } from "./nomenclature-filter";
 interface GridFilterBarProps {
     fournisseurs: { code: string; nom: string }[];
     magasins: { code: string; nom: string }[];
-    nomenclature: any;
 }
 
-export function GridFilterBar({ fournisseurs, magasins, nomenclature }: GridFilterBarProps) {
+export function GridFilterBar({ fournisseurs, magasins }: GridFilterBarProps) {
     const { filters, setFilter, rows, draftChanges } = useGridStore();
     const router = useRouter();
     const searchParams = useSearchParams();
     const [isRefreshing, setIsRefreshing] = React.useState(false);
 
+    // Options nomenclature (famille) construites depuis les rows chargées
+    const code3Options = useMemo(() => {
+        const map = new Map<string, string>();
+        rows.forEach(r => {
+            if (r.code3 && r.libelle3) map.set(r.code3, r.libelle3);
+        });
+        return Array.from(map.entries())
+            .map(([code, label]) => ({ code, label }))
+            .sort((a, b) => a.code.localeCompare(b.code, undefined, { numeric: true }));
+    }, [rows]);
+
     // Compute dynamic counts and present Gammes
     const { gammeCounts, activeGammes } = React.useMemo(() => {
         const counts: Record<string, number> = { Total: 0 };
@@ -195,7 +205,7 @@ export function GridFilterBar({ fournisseurs, magasins, nomenclature }: GridFilt
             </div>
 
             {/* Nomenclature filter */}
-            <NomenclatureFilter hierarchy={nomenclature} />
+            <NomenclatureFilter options={code3Options} />
         </div>
     );
 }

src/features/grid/components/heatmap-grid.tsx

@@ -178,7 +178,23 @@ GridRow.displayName = "GridRow";
 
 export function HeatmapGrid({ onSelectionChange }: HeatmapGridProps) {
     // L'abonnement doit être minimal ici ! PAS de draftChanges ni de setDraftGamme.
-    const { rows, filters, displayDensity } = useGridStore();
+    const { rows, filters, displayDensity, draftChanges } = useGridStore();
+
+    // Filtre client-side par code3 (famille) et codeGamme
+    const filteredData = useMemo(() => {
+        const { code3, codeGamme } = filters;
+        if (!code3 && !codeGamme) return rows;
+        return rows.filter(r => {
+            if (code3 && r.code3 !== code3) return false;
+            if (codeGamme) {
+                const g = draftChanges[r.codein] ?? r.codeGamme ?? "";
+                const norm = g.trim() === "" ? "Aucune" : g;
+                if (norm !== codeGamme) return false;
+            }
+            return true;
+        });
+    }, [rows, filters, draftChanges]);
+
     const [sorting, setSorting] = useState<SortingState>([]);
     const [rowSelection, setRowSelection] = useState<RowSelectionState>({});
     const { columnVisibility, setColumnVisibility, columnSizing, setColumnSizing } = useGridStore();
@@ -351,12 +367,17 @@ export function HeatmapGrid({ onSelectionChange }: HeatmapGridProps) {
         {
             accessorKey: "libelle3",
             header: "Famille",
-            size: 160,
-            cell: ({ getValue }) => (
-                <span className="text-[12px] truncate block text-left w-full opacity-70" style={{ color: "var(--text-secondary)" }}>
-                    {getValue<string>()}
-                </span>
-            ),
+            size: 200,
+            cell: ({ row }) => {
+                const code = row.original.code3;
+                const label = row.original.libelle3;
+                const display = code && label ? `${code} — ${label}` : (label || code || "");
+                return (
+                    <span className="text-[12px] truncate block text-left w-full opacity-70" style={{ color: "var(--text-secondary)" }} title={display}>
+                        {display}
+                    </span>
+                );
+            },
         },
         {
             accessorKey: "score",
@@ -452,7 +473,7 @@ export function HeatmapGrid({ onSelectionChange }: HeatmapGridProps) {
     ], [MONTHS_12]); // Dépendances extrêmement stables : pas de re-render du header !
 
     const table = useReactTable({
-        data: rows,
+        data: filteredData,
         columns,
         state: { sorting, globalFilter: filters.search, rowSelection, columnVisibility, columnSizing },
         onSortingChange: setSorting,

src/features/grid/components/nomenclature-filter.tsx

@@ -1,67 +1,18 @@
 "use client";
 
 import * as React from "react";
-import { useRouter, useSearchParams } from "next/navigation";
 import { cn } from "@/lib/utils";
 import { ChevronDown, Filter } from "lucide-react";
+import { useGridStore } from "@/features/grid/store/use-grid-store";
 
 interface NomenclatureFilterProps {
-    hierarchy: any;
+    options: { code: string; label: string }[];
     className?: string;
 }
 
-export function NomenclatureFilter({ hierarchy, className }: NomenclatureFilterProps) {
-    const router = useRouter();
-    const searchParams = useSearchParams();
-
-    const selected1 = searchParams.get("code1");
-    const selected2 = searchParams.get("code2");
-    const selected3 = searchParams.get("code3");
-
-    // Valeur composite pour le select : "type:code"
-    const currentValue = selected3 ? `code3:${selected3}` :
-        selected2 ? `code2:${selected2}` :
-            selected1 ? `code1:${selected1}` : "";
-
-    const updateFilter = (value: string) => {
-        const params = new URLSearchParams(searchParams.toString());
-
-        // Reset all nomenclature filters
-        params.delete("code1");
-        params.delete("code2");
-        params.delete("code3");
-
-        if (value) {
-            const [type, code] = value.split(":");
-            params.set(type, code);
-        }
-
-        router.push(`/grid?${params.toString()}`);
-    };
-
-    // Aplatir la hiérarchie pour le menu unique et trier par code
-    const options: { label: string; value: string; level: number; code: string }[] = [];
-
-    // Sort Secteurs
-    const sortedSecteurs = Object.entries(hierarchy).sort((a, b) => a[0].localeCompare(b[0], undefined, { numeric: true }));
-
-    sortedSecteurs.forEach(([c1, s]: [string, any]) => {
-        options.push({ label: s.label, value: `code1:${c1}`, level: 0, code: c1 });
-
-        // Sort Rayons
-        const sortedRayons = Object.entries(s.children).sort((a, b) => a[0].localeCompare(b[0], undefined, { numeric: true }));
-
-        sortedRayons.forEach(([c2, r]: [string, any]) => {
-            options.push({ label: r.label, value: `code2:${c2}`, level: 1, code: c2 });
-
-            // Sort Familles
-            const sortedFamilles = [...r.children].sort((a, b) => a.code.localeCompare(b.code, undefined, { numeric: true }));
-
-            sortedFamilles.forEach((f: any) => {
-                options.push({ label: f.label, value: `code3:${f.code}`, level: 2, code: f.code });
-            });
-        });
-    });
+export function NomenclatureFilter({ options, className }: NomenclatureFilterProps) {
+    const code3 = useGridStore((s) => s.filters.code3);
+    const setFilter = useGridStore((s) => s.setFilter);
 
     return (
         <div className={cn("relative group", className)}>
@@ -70,19 +21,15 @@ export function NomenclatureFilter({ hierarchy, className }: NomenclatureFilterP
             </div>
 
             <select
-                value={currentValue}
-                onChange={(e) => updateFilter(e.target.value)}
+                value={code3 ?? ""}
+                onChange={(e) => setFilter("code3", e.target.value || null)}
                 className="apple-input pr-12 appearance-none w-full min-w-[240px]"
                 style={{ fontSize: "12px", height: "36px", paddingLeft: "36px" }}
             >
                 <option value="">Toute la nomenclature</option>
-                {options.map((opt, idx) => (
-                    <option
-                        key={`${opt.value}-${idx}`}
-                        value={opt.value}
-                        style={{ paddingLeft: `${opt.level * 12}px` }}
-                    >
-                        {"\u00A0".repeat(opt.level * 4)}{opt.label}
+                {options.map((opt) => (
+                    <option key={opt.code} value={opt.code}>
+                        {opt.code} — {opt.label}
                     </option>
                 ))}
             </select>