Batch net-sales requests in ≤365-day chunks — forecasting API 422s at 396 days

backend/src/routes/net-sales.js

@@ -27,19 +27,32 @@ export async function netSalesRoutes(fastify) {
     const { from, to } = request.query
     if (!from || !to) return reply.status(400).send({ error: 'from and to required' })
 
-    const days = daysBetween(from, to)
+    const MAX_DAYS = 365
-    const data = await fcFetch(`/forecast/revenue?start_date=${from}&days=${days}&type=all&dow_align=true`)
+    const totalDays = daysBetween(from, to)
+    const allDays = []
 
-    const result = (data?.data ?? []).map(d => ({
+    // Batch into ≤365-day chunks if range exceeds API limit
-      date:       d.date,
+    let batchStart = new Date(from + 'T00:00:00')
-      net_sales:  parseFloat(d.total?.otb    ?? 0),
+    const end      = new Date(to   + 'T00:00:00')
-      py_sales:   parseFloat(d.total?.prior_final ?? 0),
+    while (batchStart <= end) {
-      accom:      parseFloat(d.accom?.otb    ?? 0),
+      const remaining = Math.ceil((end - batchStart) / 86_400_000) + 1
-      dry:        parseFloat(d.dry?.otb      ?? 0),
+      const batchDays = Math.min(remaining, MAX_DAYS)
-      wet:        parseFloat(d.wet?.otb      ?? 0),
+      const startStr  = batchStart.toISOString().slice(0, 10)
-      is_past:    d.is_past ?? true,
+      const data = await fcFetch(`/forecast/revenue?start_date=${startStr}&days=${batchDays}&type=all&dow_align=true`)
-    }))
+      for (const d of (data?.data ?? [])) {
+        allDays.push({
+          date:      d.date,
+          net_sales: parseFloat(d.total?.otb         ?? 0),
+          py_sales:  parseFloat(d.total?.prior_final  ?? 0),
+          accom:     parseFloat(d.accom?.otb          ?? 0),
+          dry:       parseFloat(d.dry?.otb            ?? 0),
+          wet:       parseFloat(d.wet?.otb            ?? 0),
+          is_past:   d.is_past ?? true,
+        })
+      }
+      batchStart.setDate(batchStart.getDate() + batchDays)
+    }
 
-    return { days: result }
+    return { days: allDays }
   })
 }