feat: init

server/api/stats/counters.get.ts

@@ -0,0 +1,19 @@
+import type { H3Event } from 'h3'
+import { QuerySchema } from '@/schemas/query'
+
+const { select } = SqlBricks
+
+function query2sql(query: Query, event: H3Event): string {
+  const filter = query2filter(query)
+  const { dataset } = useRuntimeConfig(event)
+  // visitors did not consider sampling
+  const sql = select(`SUM(_sample_interval) as visits, COUNT(DISTINCT ${logsMap.ip}) as visitors, COUNT(DISTINCT ${logsMap.referer}) as referers`).from(dataset).where(filter)
+  appendTimeFilter(sql, query)
+  return sql.toString()
+}
+
+export default eventHandler(async (event) => {
+  const query = await getValidatedQuery(event, QuerySchema.parse)
+  const sql = query2sql(query, event)
+  return useWAE(event, sql)
+})