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jimniels/netlify-analytics-digest.js

Last active October 2, 2022 17:08
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Example code that pulls data from the Netlify Analytics API (unofficial, v2) and creates HTML that can be sent in an email. Read more: https://blog.jim-nielsen.com/2022/netlify-analytics-email-digest/
Raw
netlify-analytics-digest.js
const fetch = require("node-fetch");
const now = Date.now();
const oneDayAgo = now - 24 * 60 * 60 * 1000;
const { NETLIFY_BLOG_SITE_ID, NETLIFY_TOKEN } = process.env;
exports.handler = async function (event) {
try {
// Fetch the data
const sources = await fetchNetlify(
`ranking/sources?from=${oneDayAgo}&to=${now}&limit=100&timezone=-0700&resolution=hour`
);
const pages = await fetchNetlify(
`ranking/pages?from=${oneDayAgo}&to=${now}&limit=10&timezone=-0700&resolution=hour`
);
// Render the email
const html = renderEmail({ sources, pages });
// Response with the email's contents
return {
statusCode: 200,
body: html,
};
} catch (e) {
console.error(e);
return {
statusCode: 400,
body: JSON.stringify({ errors: [e.toString()] }),
};
}
};
// Fetch data from Netlify API
function fetchNetlify(path) {
return fetch(
`https://analytics.services.netlify.com/v2/${NETLIFY_BLOG_SITE_ID}/${path}`,
{
headers: {
Authorization: `Bearer ${NETLIFY_TOKEN}`,
},
}
).then((res) => {
if (res.ok) {
return res.json();
}
throw new Error(
`Failed to connect to Netlify: ${res.status}: ${res.statusText}`
);
});
}
// Render an HTML email with the data from Netlify's Analytics API
function renderEmail({ sources, pages }) {
const renderDate = (d) =>
new Date(d).toLocaleString("en-US", {
timeZone: "America/Denver",
timeZoneName: "short",
});
const styles = {
html: "font-family: ui-sans-serif, Helvetica Neue, sans-serif;",
ul: "margin: 0; padding: 0; list-style-type: none;",
li: "display: flex; justify-content: space-between; align-items: center; padding: 12px 0;border-top: 1px solid #eee;",
};
return /*html*/`<!doctype html>
<html style="${styles.html}">
<head>
<meta charset="UTF-8">
<title>Analytics digest</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body style="max-width: 400px; margin: 0 auto; background: white; padding: 0 12px;">
<h1>Analytics digest</h1>
<p>
<time>
${renderDate(oneDayAgo)}
</time>
→
<time>
${renderDate(now)}
</time>
</p>
<h2>Top Sources</h2>
<ul style="${styles.ul}">
${sources.data
// Ignore "" (uknown sources and/or direct traffic)
// as well as anything that's not double digits
.filter(({ count, resource }) => resource && count >= 10)
.map(
({ count, resource }) => /*html*/ `
<li style="${styles.li}">
<a style="flex-grow: 2;" href="http://${resource}">
${resource}
</a>
<span style="font-size: 90%; margin-right: 8px; text-align: right;">${count.toLocaleString()}</span>
<a style="font-size: 80%; text-decoration: none;" href="https://www.google.com/search?q=blog.jim-nielsen.com&as_sitesearch=${resource}&as_qdr=m">
🔍
</a>
</li>`
)
.join("")}
</ul>
<h2>Top Pages</h2>
<ul style="${styles.ul}">
${pages.data
.map(
({ count, resource }) => /*html*/ `
<li style="${styles.li}">
<a href="https://blog.jim-nielsen.com${resource}">
${resource}
</a>
<span>${count}</span>
</li>`
)
.join("")}
</ul>
</body>
</html>`;
}
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