feat: map prix marché as compare_at_price (barré) on Shopify

When Prix remisé is set: price = remisé, compare_at_price = marché
When no remise: price = marché, compare_at_price = null
Diff now detects compareAtPrice changes to trigger updates

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/lib/googleSheets.ts

@@ -59,7 +59,9 @@ export function parseSheetRows(rows: string[][]): SyncProduct[] {
       const publie = get(row, idx.publie).toLowerCase()
       const status = publie.includes('inac') || publie === 'non' || publie === 'false' ? 'draft' : 'active'
 
-      const prixRemise = get(row, idx.prixRemise).replace(',', '.')
+      const rawRemise = get(row, idx.prixRemise).replace(',', '.')
+      const prixRemise = parseFloat(rawRemise || '0')
+      const hasRemise = !isNaN(prixRemise) && prixRemise > 0
       const longueur = get(row, idx.longueur)
       const largeur = get(row, idx.largeur)
       const specificFields = extractSpecificFields(headers, row)
@@ -69,11 +71,12 @@ export function parseSheetRows(rows: string[][]): SyncProduct[] {
         handle: normalizeHandle(ref),
         title: get(row, idx.nom) || ref,
         description: '',
-        price: price.toFixed(2),
+        price: hasRemise ? prixRemise.toFixed(2) : price.toFixed(2),
+        compareAtPrice: hasRemise ? price.toFixed(2) : undefined,
         stock: parseInt(get(row, idx.stock) || '0', 10) || 0,
         weightKg: parseFloat(get(row, idx.poids).replace(',', '.') || '0') || undefined,
         status,
-        prixRemise: prixRemise || undefined,
+        prixRemise: hasRemise ? prixRemise.toFixed(2) : undefined,
         marque: get(row, idx.marque) || undefined,
         famille: get(row, idx.famille) || undefined,
         sousFamille: get(row, idx.sousFamille) || undefined,

src/lib/shopifySync.ts

@@ -20,6 +20,7 @@ export function getConfig() {
 interface ShopifyVariant {
   id: number
   price: string
+  compare_at_price: string | null
   sku: string
   inventory_quantity: number
 }
@@ -42,6 +43,7 @@ function toSyncProduct(p: ShopifyAPIProduct): ShopifyProductFull {
     title: p.title,
     description: p.body_html ?? '',
     price: p.variants[0]?.price ?? '0.00',
+    compareAtPrice: p.variants[0]?.compare_at_price ?? undefined,
     stock: p.variants[0]?.inventory_quantity ?? 0,
     status: p.status === 'active' ? 'active' : 'draft',
     images: (p.images ?? []).map(i => i.src),
@@ -93,6 +95,7 @@ export async function createShopifyProduct(product: SyncProduct): Promise<string
 
   const variant: Record<string, unknown> = {
     price: product.price,
+    compare_at_price: product.compareAtPrice ?? null,
     sku: product.ref,
     inventory_management: 'shopify',
   }
@@ -179,7 +182,7 @@ export async function updateShopifyProduct(
       title: product.title,
       body_html: product.description,
       status: product.status,
-      variants: [{ id: variantId, price: product.price }],
+      variants: [{ id: variantId, price: product.price, compare_at_price: product.compareAtPrice ?? null }],
     },
   }
 

src/lib/syncDiff.ts

@@ -1,6 +1,6 @@
 import type { SyncProduct, ShopifyProductFull, SyncChange, DiffResult } from '@/types/sync'
 
-const COMPARABLE_FIELDS = ['title', 'description', 'price', 'status'] as const
+const COMPARABLE_FIELDS = ['title', 'description', 'price', 'compareAtPrice', 'status'] as const
 
 function getChangedFields(
   sheet: SyncProduct,

src/types/sync.ts

@@ -10,6 +10,7 @@ export interface SyncProduct {
   stock: number        // colonne E
   weightKg?: number    // poids en kg pour l'expédition
   status: 'active' | 'draft'  // colonne F : "inactif"/"inactif" → draft, tout autre → active
+  compareAtPrice?: string
   // Champs enrichis
   prixRemise?: string
   marque?: string