api/popular: cross-reference with RSS feed to get post titles

functions/popular.js

@@ -4,14 +4,19 @@ const faunadb = require("faunadb"),
   q = faunadb.query;
 const numeral = require("numeral");
 const pluralize = require("pluralize");
+const rssParser = require("rss-parser");
 require("dotenv").config();
 
 exports.handler = async () => {
   try {
+    const parser = new rssParser({
+      timeout: 3000,
+    });
     const client = new faunadb.Client({
       secret: process.env.FAUNADB_SERVER_SECRET,
     });
 
+    const feed = await parser.parseURL("https://jarv.is/feed.xml");
     const result = await client.query(
       q.Map(
         q.Paginate(q.Documents(q.Collection("hits"))),
@@ -19,14 +24,27 @@ exports.handler = async () => {
       )
     );
 
-    const posts = result.data.sort((a, b) => {
+    let posts = result.data;
-      return a.hits > b.hits ? -1 : 1;
-    });
 
-    posts.forEach((p) => {
+    posts.map((p) => {
+      // match URLs from RSS feed with db to populate some metadata
+      let match = feed.items.find((x) => x.link === "https://jarv.is/" + p.slug + "/");
+      if (match) {
+        p.title = match.title;
+        p.url = match.link;
+        p.date = match.isoDate;
+      }
+
+      // add comma-separated numbers and proper pluralization on the backend
       p.pretty_hits = numeral(p.hits).format("0,0");
       p.pretty_unit = pluralize("hit", p.hits);
-      p.url = "https://jarv.is/" + p.slug + "/";
+
+      return p;
+    });
+
+    // sort by hits (descending)
+    posts.sort((a, b) => {
+      return a.hits > b.hits ? -1 : 1;
     });
 
     return {

package.json

@@ -43,6 +43,7 @@
     "modern-normalize": "1.1.0",
     "numeral": "^2.0.6",
     "pluralize": "^8.0.0",
+    "rss-parser": "^3.12.0",
     "twemoji": "13.1.0",
     "twemoji-emojis": "13.1.0"
   },

yarn.lock

@@ -2973,7 +2973,7 @@ entities@^1.1.1:
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
   integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==
 
-entities@^2.0.0:
+entities@^2.0.0, entities@^2.0.3:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/entities/-/entities-2.2.0.tgz#098dc90ebb83d8dffa089d55256b351d34c4da55"
   integrity sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==
@@ -7206,6 +7206,14 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
+rss-parser@^3.12.0:
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/rss-parser/-/rss-parser-3.12.0.tgz#b8888699ea46304a74363fbd8144671b2997984c"
+  integrity sha512-aqD3E8iavcCdkhVxNDIdg1nkBI17jgqF+9OqPS1orwNaOgySdpvq6B+DoONLhzjzwV8mWg37sb60e4bmLK117A==
+  dependencies:
+    entities "^2.0.3"
+    xml2js "^0.4.19"
+
 run-parallel@^1.1.9:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.2.0.tgz#66d1368da7bdf921eb9d95bd1a9229e7f21a43ee"
@@ -7249,7 +7257,7 @@ safe-regex@^1.1.0:
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
-sax@~1.2.4:
+sax@>=0.6.0, sax@~1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
@@ -8733,6 +8741,19 @@ write-file-atomic@^3.0.3:
     signal-exit "^3.0.2"
     typedarray-to-buffer "^3.1.5"
 
+xml2js@^0.4.19:
+  version "0.4.23"
+  resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.23.tgz#a0c69516752421eb2ac758ee4d4ccf58843eac66"
+  integrity sha512-ySPiMjM0+pLDftHgXY4By0uswI3SPKLDw/i3UXbnO8M/p28zqexCUoPmQFrYD+/1BzhGJSs2i1ERWKJAtiLrug==
+  dependencies:
+    sax ">=0.6.0"
+    xmlbuilder "~11.0.0"
+
+xmlbuilder@~11.0.0:
+  version "11.0.1"
+  resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-11.0.1.tgz#be9bae1c8a046e76b31127726347d0ad7002beb3"
+  integrity sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA==
+
 "xtend@>=4.0.0 <4.1.0-0", xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"