added Revue support (#397)

feat: add Revue support

Author: onurgenes

.env.example

@@ -19,4 +19,7 @@ CONVERTKIT_API_KEY=
 CONVERTKIT_FORM_ID= 
 
 KLAVIYO_API_KEY=
-KLAVIYO_LIST_ID=
+KLAVIYO_LIST_ID=
+
+REVUE_API_URL=https://www.getrevue.co/api/v2/
+REVUE_API_KEY=

README.md

@@ -70,7 +70,7 @@ I wanted it to be nearly as feature-rich as popular blogging templates like [bea
 - Blog templates
 - TOC component
 - Support for nested routing of blog posts
-- Newsletter component with support for mailchimp, buttondown, convertkit and klaviyo
+- Newsletter component with support for mailchimp, buttondown, convertkit, klaviyo and revue
 - Supports [giscus](https://github.com/laymonage/giscus), [utterances](https://github.com/utterance/utterances) or disqus
 - Projects page
 - Preconfigured security headers

data/siteMetadata.js

@@ -27,7 +27,7 @@ const siteMetadata = {
     googleAnalyticsId: '', // e.g. UA-000000-2 or G-XXXXXXX
   },
   newsletter: {
-    // supports mailchimp, buttondown, convertkit, klaviyo
+    // supports mailchimp, buttondown, convertkit, klaviyo, revue
     // Please add your .env file and modify it according to your selection
     provider: 'buttondown',
   },

pages/api/revue.js

@@ -0,0 +1,30 @@
+// eslint-disable-next-line import/no-anonymous-default-export
+export default async (req, res) => {
+  const { email } = req.body
+
+  if (!email) {
+    return res.status(400).json({ error: 'Email is required' })
+  }
+
+  try {
+    const API_KEY = process.env.REVUE_API_KEY
+    const revueRoute = `${process.env.REVUE_API_URL}subscribers`
+
+    const response = await fetch(revueRoute, {
+      method: 'POST',
+      headers: {
+        Authorization: `Token ${API_KEY}`,
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({ email, double_opt_in: false }),
+    })
+
+    if (response.status >= 400) {
+      return res.status(500).json({ error: `There was an error subscribing to the list.` })
+    }
+
+    return res.status(201).json({ error: '' })
+  } catch (error) {
+    return res.status(500).json({ error: error.message || error.toString() })
+  }
+}