Initial commit: Meshkee dashboards monorepo.

Includes business, customer, and super-admin apps with shared packages and production deploy scripts.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/utils/productActivity.ts

@@ -0,0 +1,63 @@
+import type { ProductApi } from '../services/productService'
+
+export interface ProductMonthActivity {
+  monthKey: string
+  label: string
+  added: number
+  updated: number
+}
+
+function toMonthKey(iso: string): string {
+  const date = new Date(iso)
+  const year = date.getFullYear()
+  const month = String(date.getMonth() + 1).padStart(2, '0')
+  return `${year}-${month}`
+}
+
+function formatMonthLabel(monthKey: string): string {
+  const [year, month] = monthKey.split('-').map(Number)
+  return new Date(year, month - 1, 1).toLocaleString('en-US', { month: 'short' })
+}
+
+export function buildLast12MonthKeys(): string[] {
+  const keys: string[] = []
+  const now = new Date()
+
+  for (let i = 11; i >= 0; i -= 1) {
+    const date = new Date(now.getFullYear(), now.getMonth() - i, 1)
+    const year = date.getFullYear()
+    const month = String(date.getMonth() + 1).padStart(2, '0')
+    keys.push(`${year}-${month}`)
+  }
+
+  return keys
+}
+
+export function aggregateProductActivity(products: ProductApi[]): ProductMonthActivity[] {
+  const monthKeys = buildLast12MonthKeys()
+  const added = new Map(monthKeys.map((key) => [key, 0]))
+  const updated = new Map(monthKeys.map((key) => [key, 0]))
+
+  for (const product of products) {
+    const createdKey = toMonthKey(product.createdAt)
+    if (added.has(createdKey)) {
+      added.set(createdKey, (added.get(createdKey) ?? 0) + 1)
+    }
+
+    const createdTime = new Date(product.createdAt).getTime()
+    const updatedTime = new Date(product.updatedAt).getTime()
+    if (updatedTime > createdTime) {
+      const updatedKey = toMonthKey(product.updatedAt)
+      if (updated.has(updatedKey)) {
+        updated.set(updatedKey, (updated.get(updatedKey) ?? 0) + 1)
+      }
+    }
+  }
+
+  return monthKeys.map((monthKey) => ({
+    monthKey,
+    label: formatMonthLabel(monthKey),
+    added: added.get(monthKey) ?? 0,
+    updated: updated.get(monthKey) ?? 0,
+  }))
+}