add popular posts API endpoint

functions/hits.js

@@ -17,7 +17,7 @@ exports.handler = async (event) => {
     return {
       statusCode: 400,
       body: JSON.stringify({
-        message: "Page slug required.",
+        message: "Parameter `slug` is required.",
       }),
     };
   }
@@ -40,7 +40,6 @@ exports.handler = async (event) => {
         Pragma: "no-cache",
         "Access-Control-Allow-Methods": "GET",
         "Access-Control-Allow-Origin": "*",
-        "x-fauna-ts": result.ts.toString().slice(0, -3),
       },
       body: JSON.stringify({
         slug: result.data.slug,

functions/popular.js

@@ -0,0 +1,51 @@
+"use strict";
+
+const faunadb = require("faunadb"),
+  q = faunadb.query;
+const numeral = require("numeral");
+const pluralize = require("pluralize");
+require("dotenv").config();
+
+exports.handler = async () => {
+  try {
+    const client = new faunadb.Client({
+      secret: process.env.FAUNADB_SERVER_SECRET,
+    });
+
+    const result = await client.query(
+      q.Map(
+        q.Paginate(q.Documents(q.Collection("hits"))),
+        q.Lambda((x) => q.Select("data", q.Get(x)))
+      )
+    );
+
+    const posts = result.data.sort((a, b) => {
+      return a.hits > b.hits ? -1 : 1;
+    });
+
+    posts.forEach((p) => {
+      p.pretty_hits = numeral(p.hits).format("0,0");
+      p.pretty_unit = pluralize("hit", p.hits);
+      p.url = "https://jarv.is/" + p.slug + "/";
+    });
+
+    return {
+      statusCode: 200,
+      headers: {
+        "Content-Type": "application/json; charset=utf-8",
+        "Access-Control-Allow-Methods": "GET",
+        "Access-Control-Allow-Origin": "*",
+      },
+      body: JSON.stringify(posts),
+    };
+  } catch (error) {
+    console.error(error);
+
+    return {
+      statusCode: 400,
+      body: JSON.stringify({
+        message: error.message,
+      }),
+    };
+  }
+};