Add auth and blacklist APIs

server/actions/showStats.js

@@ -0,0 +1,62 @@
+const subDays = require('date-fns/sub_days')
+const startOfDay = require('date-fns/start_of_day')
+const startOfSecond = require('date-fns/start_of_second')
+const StatsAPI = require('../StatsAPI')
+
+function showStats(req, res) {
+  let since, until
+  switch (req.query.period) {
+    case 'last-day':
+      until = startOfDay(new Date())
+      since = subDays(until, 1)
+      break
+    case 'last-week':
+      until = startOfDay(new Date())
+      since = subDays(until, 7)
+      break
+    case 'last-month':
+      until = startOfDay(new Date())
+      since = subDays(until, 30)
+      break
+    default:
+      until = req.query.until
+        ? new Date(req.query.until)
+        : startOfSecond(new Date())
+      since = new Date(req.query.since)
+  }
+
+  if (isNaN(since.getTime())) {
+    return res.status(403).send({ error: '?since is not a valid date' })
+  }
+
+  if (isNaN(until.getTime())) {
+    return res.status(403).send({ error: '?until is not a valid date' })
+  }
+
+  if (until <= since) {
+    return res
+      .status(403)
+      .send({ error: '?until date must come after ?since date' })
+  }
+
+  if (until >= new Date()) {
+    return res.status(403).send({ error: '?until must be a date in the past' })
+  }
+
+  StatsAPI.getStats(since, until).then(
+    stats => {
+      res
+        .set({
+          'Cache-Control': 'public, max-age=60',
+          'Cache-Tag': 'stats'
+        })
+        .send(stats)
+    },
+    error => {
+      console.error(error)
+      res.status(500).send({ error: 'Unable to fetch stats' })
+    }
+  )
+}
+
+module.exports = showStats