feat: clear Shopify IDs from Sheets to allow product recreation

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

src/app/api/creation/clear-ids/route.ts

@@ -0,0 +1,93 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { getServerSession } from 'next-auth'
+import { authOptions } from '@/lib/auth'
+
+async function getAccessToken(): Promise<string | null> {
+  const email = process.env.GOOGLE_SERVICE_ACCOUNT_EMAIL
+  const rawKey = process.env.GOOGLE_SERVICE_ACCOUNT_KEY
+  if (!email || !rawKey) return null
+
+  const privateKey = rawKey.replace(/\\n/g, '\n')
+  const now = Math.floor(Date.now() / 1000)
+  const header = Buffer.from(JSON.stringify({ alg: 'RS256', typ: 'JWT' })).toString('base64url')
+  const payload = Buffer.from(JSON.stringify({
+    iss: email,
+    scope: 'https://www.googleapis.com/auth/spreadsheets',
+    aud: 'https://oauth2.googleapis.com/token',
+    iat: now,
+    exp: now + 3600,
+  })).toString('base64url')
+
+  const { createSign } = await import('crypto')
+  const sign = createSign('RSA-SHA256')
+  sign.update(`${header}.${payload}`)
+  const signature = sign.sign(privateKey, 'base64url')
+  const jwt = `${header}.${payload}.${signature}`
+
+  const tokenRes = await fetch('https://oauth2.googleapis.com/token', {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+    body: new URLSearchParams({ grant_type: 'urn:ietf:params:oauth:grant-type:jwt-bearer', assertion: jwt }),
+  })
+  if (!tokenRes.ok) return null
+  const { access_token } = await tokenRes.json() as { access_token: string }
+  return access_token
+}
+
+// POST /api/creation/clear-ids?tab=SOL CARRELAGE
+// Efface la colonne A (ID Shopify) de toutes les lignes produit d'un onglet
+export async function POST(req: NextRequest) {
+  const session = await getServerSession(authOptions)
+  if (!session) return NextResponse.json({ error: 'Non authentifié' }, { status: 401 })
+
+  const tab = new URL(req.url).searchParams.get('tab')
+  if (!tab) return NextResponse.json({ error: 'tab requis' }, { status: 400 })
+
+  const apiKey = process.env.GOOGLE_API_KEY
+  const sheetId = process.env.GOOGLE_SHEETS_ID
+  if (!apiKey || !sheetId) return NextResponse.json({ error: 'Config Google manquante' }, { status: 500 })
+
+  // Lire les données de l'onglet
+  const range = encodeURIComponent(`${tab}!A1:A500`)
+  const res = await fetch(
+    `https://sheets.googleapis.com/v4/spreadsheets/${sheetId}/values/${range}?key=${apiKey}`,
+  )
+  if (!res.ok) return NextResponse.json({ error: `Sheets read error: ${res.status}` }, { status: 502 })
+
+  const data = await res.json() as { values?: string[][] }
+  const rows = data.values ?? []
+
+  // Trouver la ligne d'en-tête (contient "ID" en col A)
+  const headerRowIdx = rows.findIndex(r => (r[0] ?? '').trim() === 'ID')
+  if (headerRowIdx === -1) return NextResponse.json({ error: 'Onglet non reconnu (pas de colonne ID)' }, { status: 400 })
+
+  // Identifier les lignes produit qui ont un ID Shopify (numérique)
+  const clearValues: string[][] = []
+  const startRow = headerRowIdx + 2 // 1-indexed, skip header row
+  for (let i = headerRowIdx + 1; i < rows.length; i++) {
+    const cell = (rows[i]?.[0] ?? '').trim()
+    clearValues.push([cell && /^\d+$/.test(cell) ? '' : cell])
+  }
+
+  if (clearValues.length === 0) return NextResponse.json({ cleared: 0 })
+
+  const accessToken = await getAccessToken()
+  if (!accessToken) return NextResponse.json({ error: 'Impossible d\'obtenir le token Google' }, { status: 500 })
+
+  const writeRange = `${tab}!A${startRow}:A${startRow + clearValues.length - 1}`
+  const writeRes = await fetch(
+    `https://sheets.googleapis.com/v4/spreadsheets/${sheetId}/values/${encodeURIComponent(writeRange)}?valueInputOption=RAW`,
+    {
+      method: 'PUT',
+      headers: { Authorization: `Bearer ${accessToken}`, 'Content-Type': 'application/json' },
+      body: JSON.stringify({ range: writeRange, majorDimension: 'ROWS', values: clearValues }),
+    },
+  )
+  if (!writeRes.ok) {
+    const err = await writeRes.text()
+    return NextResponse.json({ error: `Sheets write error: ${err}` }, { status: 502 })
+  }
+
+  const cleared = clearValues.filter(r => r[0] === '').length
+  return NextResponse.json({ cleared, tab })
+}