Initial Typescript models.

pages/api/websites/[id]/stats.ts

@@ -0,0 +1,91 @@
+import { getWebsiteStats } from 'queries';
+import { methodNotAllowed, ok, unauthorized } from 'next-basics';
+import { allowQuery } from 'lib/auth';
+import { useAuth, useCors } from 'lib/middleware';
+import { TYPE_WEBSITE } from 'lib/constants';
+import { WebsiteStats } from 'interface/api/models';
+import { NextApiRequestQueryBody } from 'interface/api/nextApi';
+import { NextApiResponse } from 'next';
+
+export interface WebsiteStatsReqeustQuery {
+  id: string;
+  type: string;
+  start_at: number;
+  end_at: number;
+  url: string;
+  referrer: string;
+  os: string;
+  browser: string;
+  device: string;
+  country: string;
+}
+
+export default async (
+  req: NextApiRequestQueryBody<WebsiteStatsReqeustQuery>,
+  res: NextApiResponse<WebsiteStats>,
+) => {
+  await useCors(req, res);
+  await useAuth(req, res);
+
+  if (req.method === 'GET') {
+    if (!(await allowQuery(req, TYPE_WEBSITE))) {
+      return unauthorized(res);
+    }
+
+    const {
+      id: websiteId,
+      start_at,
+      end_at,
+      url,
+      referrer,
+      os,
+      browser,
+      device,
+      country,
+    } = req.query;
+
+    const startDate = new Date(+start_at);
+    const endDate = new Date(+end_at);
+
+    const distance = end_at - start_at;
+    const prevStartDate = new Date(+start_at - distance);
+    const prevEndDate = new Date(+end_at - distance);
+
+    const metrics = await getWebsiteStats(websiteId, {
+      start_at: startDate,
+      end_at: endDate,
+      filters: {
+        url,
+        referrer,
+        os,
+        browser,
+        device,
+        country,
+      },
+    });
+    const prevPeriod = await getWebsiteStats(websiteId, {
+      start_at: prevStartDate,
+      end_at: prevEndDate,
+      filters: {
+        url,
+        referrer,
+        os,
+        browser,
+        device,
+        country,
+      },
+    });
+
+    const stats = Object.keys(metrics[0]).reduce((obj, key) => {
+      obj[key] = {
+        value: Number(metrics[0][key]) || 0,
+        change: Number(metrics[0][key]) - Number(prevPeriod[0][key]) || 0,
+      };
+      return obj;
+    }, {});
+
+    return ok(res, stats);
+  }
+
+  return methodNotAllowed(res);
+};