refactor(frontend) : split useMachineDetailData into focused composables

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

app/composables/useMachineDetailProducts.ts

@@ -0,0 +1,132 @@
+/**
+ * Machine detail — product display sub-composable.
+ *
+ * Handles product resolution, display helpers, supplier info,
+ * and machine-level direct product links.
+ */
+
+import { computed } from 'vue'
+import { useProducts } from '~/composables/useProducts'
+import {
+  resolveProductReference as _resolveProductReference,
+  getProductDisplay as _getProductDisplay,
+  getProductSuppliersLabel,
+  getProductPriceLabel,
+} from '~/shared/utils/productDisplayUtils'
+import {
+  resolveConstructeurs,
+  uniqueConstructeurIds,
+} from '~/shared/constructeurUtils'
+
+type AnyRecord = Record<string, unknown>
+
+interface MachineDetailProductsDeps {
+  machineProductLinks: Ref<AnyRecord[]>
+  productDocumentsMap: Ref<Map<string, AnyRecord[]>>
+  constructeurs: Ref<unknown[]>
+}
+
+export function useMachineDetailProducts(deps: MachineDetailProductsDeps) {
+  const { machineProductLinks, productDocumentsMap, constructeurs } = deps
+  const { products, loadProducts } = useProducts()
+
+  // ---------------------------------------------------------------------------
+  // Computed
+  // ---------------------------------------------------------------------------
+
+  const productInventory = computed(() => products.value || [])
+
+  const productById = computed(() => {
+    const map = new Map<string, AnyRecord>()
+    ;(productInventory.value as AnyRecord[]).forEach((product: AnyRecord) => {
+      if (product?.id) map.set(product.id as string, product)
+    })
+    return map
+  })
+
+  // ---------------------------------------------------------------------------
+  // Helpers
+  // ---------------------------------------------------------------------------
+
+  const findProductById = (productId: string | null | undefined): AnyRecord | null => {
+    if (!productId) return null
+    return productById.value.get(productId) || null
+  }
+
+  const resolveProductReference = (source: AnyRecord) =>
+    _resolveProductReference(source, findProductById as any)
+  const getProductDisplay = (source: AnyRecord) =>
+    _getProductDisplay(source, findProductById as any)
+
+  // ---------------------------------------------------------------------------
+  // Machine direct products
+  // ---------------------------------------------------------------------------
+
+  const machineDirectProducts = computed(() => {
+    return machineProductLinks.value.map((link) => {
+      const productObj = link.product as AnyRecord | string | null
+      let resolved: AnyRecord | null = null
+      let productId: string | null = null
+
+      if (typeof productObj === 'string') {
+        productId = productObj.split('/').pop() || null
+        resolved = productId ? findProductById(productId) : null
+      } else if (productObj && typeof productObj === 'object') {
+        productId = (productObj as AnyRecord)?.id as string | null
+        // Prefer the embedded product from the structure endpoint — it has richer
+        // data (typeProduct as object, supplierPrice, constructeurs) than the
+        // global products cache which may store typeProduct as an IRI string.
+        const cached = productId ? findProductById(productId) : null
+        resolved = productObj as AnyRecord
+        if (cached) {
+          // Merge: use embedded as base, overlay any non-null cached fields
+          resolved = { ...resolved, ...Object.fromEntries(
+            Object.entries(cached as AnyRecord).filter(([, v]) => v != null && v !== ''),
+          ) }
+          // But always prefer the embedded typeProduct when it's an object
+          if (productObj.typeProduct && typeof productObj.typeProduct === 'object') {
+            resolved.typeProduct = productObj.typeProduct
+          }
+        }
+      }
+
+      const cIds = uniqueConstructeurIds(
+        resolved?.constructeurs,
+        resolved?.constructeurIds,
+      )
+      const resolvedConstructeurs = resolveConstructeurs(
+        cIds,
+        resolved?.constructeurs as any[] || [],
+        constructeurs.value as any,
+      )
+
+      return {
+        id: (resolved?.id as string) || productId || null,
+        linkId: (link.id as string) || (typeof link['@id'] === 'string' ? link['@id'].split('/').pop() : null) || null,
+        name: (resolved?.name as string) || 'Produit inconnu',
+        reference: (resolved?.reference as string) || null,
+        supplierLabel: resolvedConstructeurs.length
+          ? resolvedConstructeurs.map((c) => c.name).filter(Boolean).join(', ') || null
+          : getProductSuppliersLabel(resolved),
+        priceLabel: resolved ? getProductPriceLabel(resolved) : null,
+        groupLabel: ((resolved?.typeProduct as AnyRecord)?.name as string) || '',
+        documents: productId ? (productDocumentsMap.value.get(productId) || []) : [],
+      }
+    })
+  })
+
+  return {
+    // Computed
+    productInventory,
+    productById,
+    machineDirectProducts,
+
+    // Helpers
+    findProductById,
+    resolveProductReference,
+    getProductDisplay,
+
+    // Loading
+    loadProducts,
+  }
+}