From 8dce8c4df4edd5f693812d61e91bfd9202de90a1 Mon Sep 17 00:00:00 2001
From: Matthias Kretschmann <m@kretschmann.io>
Date: Sat, 15 Sep 2018 22:26:04 +0200
Subject: [PATCH] add rss feed

---
 .travis.yml      |  2 +-
 content/meta.yml |  4 +--
 gatsby-config.js | 73 ++++++++++++++++++++++++++++++++++++++++++++++--
 package.json     |  1 +
 4 files changed, 75 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 67c2eca4..6abe4d23 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ install:
 
 script:
   - npm test
-  - travis_wait 30 npm run build
+  - npm run build
 
 after_success:
   - pip install --user awscli
diff --git a/content/meta.yml b/content/meta.yml
index 708a32d4..5e4ec9e0 100644
--- a/content/meta.yml
+++ b/content/meta.yml
@@ -20,8 +20,8 @@ author:
     github:             https://github.com/kremalicious
     facebook:           https://facebook.com/matthiaskretschmann
     googleplus:         https://plus.google.com/+MatthiasKretschmann
-    rss:                https://kremalicious.com/feed.xml
-    jsonfeed:           http://kremalicious.com/feed.json
+    rss:                /feed.xml
+    jsonfeed:           /feed.json
     avatar:             ../src/images/avatar.jpg
     bitcoin:            171qDmKEXm9YBgBLXyGjjPvopP5o9htQ1V
     ether:              "0x339dbC44d39bf1961E385ed0Ae88FC6069b87Ea1"
diff --git a/gatsby-config.js b/gatsby-config.js
index 3a67cf71..b4c84f78 100644
--- a/gatsby-config.js
+++ b/gatsby-config.js
@@ -2,14 +2,17 @@ const path = require('path')
 const fs = require('fs')
 const yaml = require('js-yaml')
 const meta = yaml.load(fs.readFileSync('./content/meta.yml', 'utf8'))
-const { url } = meta
+const { title, tagline, url, author } = meta
 
 // required for gatsby-plugin-meta-redirect
 require('regenerator-runtime/runtime')
 
 module.exports = {
   siteMetadata: {
-    siteUrl: `${url}`
+    title: `${title}`,
+    description: `${tagline}`,
+    siteUrl: `${url}`,
+    author: `${author.name}`
   },
   plugins: [
     {
@@ -116,6 +119,64 @@ module.exports = {
         siteUrl: `${url}`
       }
     },
+    {
+      resolve: 'gatsby-plugin-feed',
+      options: {
+        query: `
+          {
+            site {
+              siteMetadata {
+                title
+                description
+                siteUrl
+                site_url: siteUrl
+                author
+              }
+            }
+          }
+        `,
+        feeds: [
+          {
+            serialize: ({ query: { site, allMarkdownRemark } }) => {
+              return allMarkdownRemark.edges.map(edge => {
+                return Object.assign({}, edge.node.frontmatter, {
+                  description: feedContent(edge),
+                  url: site.siteMetadata.siteUrl + edge.node.fields.slug,
+                  author: site.siteMetadata.author,
+                  guid: site.siteMetadata.siteUrl + edge.node.fields.slug
+                })
+              })
+            },
+            query: `
+              {
+                allMarkdownRemark(
+                  limit: 20,
+                  sort: { order: DESC, fields: [fields___date] }
+                ) {
+                  edges {
+                    node {
+                      html
+                      fields { slug, date }
+                      frontmatter {
+                        title
+                        image {
+                          childImageSharp {
+                            resize(width: 960, quality: 80) {
+                              src
+                            }
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            `,
+            output: '/feed.xml'
+          }
+        ]
+      }
+    },
     'gatsby-plugin-react-helmet',
     'gatsby-transformer-yaml',
     'gatsby-plugin-sharp',
@@ -126,3 +187,11 @@ module.exports = {
     'gatsby-plugin-meta-redirect'
   ]
 }
+
+const feedContent = edge => {
+  const { image } = edge.node.frontmatter
+
+  return image
+    ? `<img src="${image.childImageSharp.resize.src}" /><br />${edge.node.html}`
+    : edge.node.html
+}
diff --git a/package.json b/package.json
index 0878de8c..f690246f 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
     "gatsby-awesome-pagination": "^0.1.1",
     "gatsby-image": "^2.0.0-rc.2",
     "gatsby-plugin-catch-links": "^2.0.2-rc.1",
+    "gatsby-plugin-feed": "^1.3.25",
     "gatsby-plugin-lunr": "^1.1.0",
     "gatsby-plugin-matomo": "^0.5.0",
     "gatsby-plugin-meta-redirect": "^1.1.0",