Add recent podcast episodes

We fetch the most recent episodes from both the Giant Robots and Bike
Shed feeds, then list them in the README. The two feeds are combined in
order, so it appears like there's one list even though it comes from
different sources.

Author: nickcharlton

bin/update_readme

@@ -10,5 +10,12 @@ require "github_readme"
 
 readme = Readme.new("profile/README.md")
 blog = RssFeed.new(url: "https://feeds.feedburner.com/GiantRobotsSmashingIntoOtherGiantRobots")
+podcasts = CombinedRssFeed.new(
+  feed_urls: [
+    "https://podcast.thoughtbot.com/rss",
+    "https://bikeshed.thoughtbot.com/rss"
+  ]
+)
 
 readme.update(section: "blog", items: blog.take(5))
+readme.update(section: "podcasts", items: podcasts.take(5))

lib/combined_rss_feed.rb

@@ -0,0 +1,23 @@
+require "rss_feed"
+
+class CombinedRssFeed
+  include Enumerable
+
+  def initialize(feed_urls:)
+    @rss_feeds = feed_urls.map { |url| RssFeed.new(url: url) }
+  end
+
+  def each
+    rss_feeds
+      .map(&:entries)
+      .flatten
+      .compact
+      .sort_by(&:created_at)
+      .reverse!
+      .each { |entry| yield entry }
+  end
+
+  private
+
+  attr_reader :rss_feeds
+end

lib/github_readme.rb

@@ -2,4 +2,7 @@
 
 require "feed_item"
 require "rss_feed"
+require "combined_rss_feed"
 require "readme"
+
+Excon.defaults[:middlewares].push(Excon::Middleware::RedirectFollower)

lib/rss_feed.rb

@@ -2,6 +2,8 @@
 require "excon"
 require "feedjira"
 
+require "feed_item"
+
 class RssFeed
   include Enumerable
 

profile/README.md

@@ -10,6 +10,24 @@ products at every stage of the product lifecycle. Since 2003, we have produced
 high-quality products for over [1,000 clients][3]. We are proud to leave every
 project with a stronger team and improved processes.
 
+<table><tr><td valign="top" width="50%">
+
+### Podcasts
+
+<!-- podcasts starts -->
+[554: Founding a Life Saving Business from your dorm room with Luká Yancopoulos](https://podcast.thoughtbot.com/554)
+
+[451: Making Time for and Managing Focus](https://bikeshed.thoughtbot.com/451)
+
+[450: Javascript-Driven Development?](https://bikeshed.thoughtbot.com/450)
+
+[553: The One with Sami and Chad](https://podcast.thoughtbot.com/553)
+
+[449: Evergreen skills for new-ish developers](https://bikeshed.thoughtbot.com/449)
+
+<!-- podcasts ends -->
+</td><td valign="top" width="50%">
+
 ### Writing
 
 <!-- blog starts -->
@@ -18,6 +36,7 @@ project with a stronger team and improved processes.
 [The digital nomad thoughtbottle](https://thoughtbot.com/blog/the-digital-nomad-thoughtbottle)
 
 <!-- blog ends -->
+</td></tr></table>
 
 [1]: https://thoughtbot.com
 [2]: https://thoughtbot.com/services

spec/combined_rss_feed_spec.rb

@@ -0,0 +1,49 @@
+require "spec_helper"
+require "combined_rss_feed"
+
+RSpec.describe CombinedRssFeed do
+  it "combines a given set of feeds into an ordered list by most recent" do
+    Excon.stub(
+      {host: "podcast.thoughtbot.com"},
+      {status: 200, body: giant_robots_feed}
+    )
+    Excon.stub(
+      {host: "bikeshed.thoughtbot.com"},
+      {status: 200, body: bike_shed_feed}
+    )
+
+    combined_items = described_class.new(
+      feed_urls: [
+        "https://podcast.thoughtbot.com/rss",
+        "https://bikeshed.thoughtbot.com/rss"
+      ]
+    )
+    recent = combined_items.take(3)
+
+    expect(recent).to include(
+      have_attributes(
+        title: "451: Making Time for and Managing Focus",
+        url: "https://bikeshed.thoughtbot.com/451",
+        created_at: match_date(Date.new(2024, 12, 17))
+      ),
+      have_attributes(
+        title: "450: Javascript-Driven Development?",
+        url: "https://bikeshed.thoughtbot.com/450",
+        created_at: match_date(Date.new(2024, 12, 10))
+      ),
+      have_attributes(
+        title: "553: The One with Sami and Chad",
+        url: "https://podcast.thoughtbot.com/553",
+        created_at: match_date(Date.new(2024, 12, 5))
+      )
+    )
+  end
+
+  def giant_robots_feed
+    File.read("spec/fixtures/giant_robots_feed.xml")
+  end
+
+  def bike_shed_feed
+    File.read("spec/fixtures/bike_shed_feed.xml")
+  end
+end

spec/fixtures/bike_shed_feed.xml

@@ -9,3 +9,9 @@
     Excon.stubs.clear
   end
 end
+
+RSpec::Matchers.define :match_date do |expected|
+  match do |actual|
+    expect(expected.strftime("%d-%m-%Y")).to eq(actual.strftime("%d-%m-%Y"))
+  end
+end