fix: fetchMetafieldDefinitions + ensureMetafieldDefinition via GraphQL (REST n'expose pas cet endpoint)

src/lib/shopifyMetafields.ts

@@ -43,43 +43,98 @@ export function matchMetafields(columnHeaders: string[], definitions: MetafieldD
   return { matched, unmatched }
 }
 
+/**
+ * Récupère toutes les définitions de métachamps produit via l'API GraphQL Admin.
+ * L'API REST ne dispose pas de cet endpoint — seul GraphQL l'expose.
+ */
 export async function fetchMetafieldDefinitions(): Promise<MetafieldDefinition[]> {
-  const { baseUrl, headers } = getConfig()
-  const res = await fetch(`${baseUrl}/metafield_definitions.json?owner_type=PRODUCT&limit=250`, { headers })
-  if (!res.ok) throw new Error(`Shopify metafield definitions error: ${res.status}`)
+  const domain = process.env.SHOPIFY_STORE_DOMAIN
+  const token = process.env.SHOPIFY_ADMIN_API_TOKEN
+  if (!domain || !token) throw new Error('SHOPIFY_STORE_DOMAIN et SHOPIFY_ADMIN_API_TOKEN requis')
+
+  const query = `{
+    metafieldDefinitions(ownerType: PRODUCT, first: 250) {
+      edges {
+        node {
+          id
+          namespace
+          key
+          name
+          type { name }
+        }
+      }
+    }
+  }`
+
+  const res = await fetch(`https://${domain}/admin/api/2024-01/graphql.json`, {
+    method: 'POST',
+    headers: { 'X-Shopify-Access-Token': token, 'Content-Type': 'application/json' },
+    body: JSON.stringify({ query }),
+  })
+
+  if (!res.ok) throw new Error(`Shopify GraphQL error: ${res.status}`)
   const data = await res.json()
-  return (data.metafield_definitions ?? []).map((d: {
-    id: string | number; namespace: string; key: string; name: string; type: { name: string } | string
+
+  if (data.errors) {
+    // Si les définitions ne sont pas accessibles, on retourne une liste vide
+    // plutôt que de bloquer — l'utilisateur verra toutes les colonnes comme "non matchées"
+    console.warn('[shopifyMetafields] GraphQL errors:', data.errors)
+    return []
+  }
+
+  return (data.data?.metafieldDefinitions?.edges ?? []).map((edge: {
+    node: { id: string; namespace: string; key: string; name: string; type: { name: string } }
   }) => ({
-    id: String(d.id),
-    namespace: d.namespace,
-    key: d.key,
-    name: d.name,
-    type: typeof d.type === 'string' ? d.type : d.type?.name ?? 'single_line_text_field',
+    id: edge.node.id,
+    namespace: edge.node.namespace,
+    key: edge.node.key,
+    name: edge.node.name,
+    type: edge.node.type?.name ?? 'single_line_text_field',
   }))
 }
 
+/**
+ * Crée une définition de métachamp produit via GraphQL si elle n'existe pas encore.
+ */
 export async function ensureMetafieldDefinition(resolution: MetafieldResolution): Promise<void> {
   if (resolution.action !== 'create') return
-  const { baseUrl, headers } = getConfig()
-  const res = await fetch(`${baseUrl}/metafield_definitions.json`, {
+
+  const domain = process.env.SHOPIFY_STORE_DOMAIN
+  const token = process.env.SHOPIFY_ADMIN_API_TOKEN
+  if (!domain || !token) throw new Error('SHOPIFY_STORE_DOMAIN et SHOPIFY_ADMIN_API_TOKEN requis')
+
+  const mutation = `mutation CreateMetafieldDefinition($definition: MetafieldDefinitionInput!) {
+    metafieldDefinitionCreate(definition: $definition) {
+      createdDefinition { id key namespace }
+      userErrors { field message }
+    }
+  }`
+
+  const res = await fetch(`https://${domain}/admin/api/2024-01/graphql.json`, {
     method: 'POST',
-    headers,
+    headers: { 'X-Shopify-Access-Token': token, 'Content-Type': 'application/json' },
     body: JSON.stringify({
-      metafield_definition: {
-        namespace: resolution.namespace,
-        key: resolution.key,
-        name: resolution.columnHeader,
-        type: 'single_line_text_field',
-        owner_type: 'PRODUCT',
+      query: mutation,
+      variables: {
+        definition: {
+          namespace: resolution.namespace,
+          key: resolution.key,
+          name: resolution.columnHeader,
+          type: 'single_line_text_field',
+          ownerType: 'PRODUCT',
+        },
       },
     }),
   })
-  if (!res.ok) {
-    const err = await res.text()
-    if (!err.includes('taken') && !err.includes('already')) {
-      throw new Error(`Shopify create metafield definition error: ${res.status} — ${err}`)
-    }
+
+  if (!res.ok) throw new Error(`Shopify GraphQL metafield create error: ${res.status}`)
+  const data = await res.json()
+  const errors = data.data?.metafieldDefinitionCreate?.userErrors ?? []
+  const isAlreadyTaken = errors.some((e: { message: string }) =>
+    e.message.toLowerCase().includes('taken') || e.message.toLowerCase().includes('already'),
+  )
+  if (errors.length > 0 && !isAlreadyTaken) {
+    throw new Error(`Shopify metafield definition error: ${errors.map((e: { message: string }) => e.message).join(', ')}`)
   }
 }