Add sync command

This command should be used to synchronise the podcast feed.

lib/pod/cli.rb

@@ -89,7 +89,13 @@ def delete(podcast_id)
       puts Pod::Outputs::Text::Delete.call(result)
     end
 
+    desc "sync PODCAST_ID", "Sync the podcast."
     # TODO
-    # desc "sync PODCAST_ID", "Synce the podcast."
+    # method_option :feed, type: :string, default: '', desc: "The feed that should be used."
+    def sync(podcast_id)
+      result = Pod::Commands::Sync.call(podcast_id)
+
+      puts Pod::Outputs::Text::Sync.call(result)
+    end
   end
 end

lib/pod/commands.rb

@@ -9,6 +9,7 @@
 require_relative "commands/archive"
 require_relative "commands/dearchive"
 require_relative "commands/delete"
+require_relative "commands/sync"
 
 module Pod
   module Commands; end

lib/pod/commands/base.rb

@@ -37,6 +37,10 @@ def pod_db_dir
       def parse_options(opts)
         opts.select { |k, v| v != "" && v != [] }
       end
+
+      def escape_double_quotes(str)
+        str.gsub("\"", "\"\"")
+      end
     end
   end
 end

lib/pod/commands/sync.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+require_relative "../feed_parser"
+
+module Pod
+  module Commands
+    class Sync < Base
+      def call(podcast_id)
+        db = Pod::Storage::SQL.new(db: pod_db_dir)
+        podcast = db.query(
+          "select feed from podcasts where id = #{podcast_id}",
+          Pod::Entities::Podcast
+        ).first
+        return build_failure_response(details: :not_found) if podcast.nil?
+
+        parsed_feed = Pod::FeedParser.call(podcast.feed)
+        parsed_feed.episodes.each do |e|
+          db.execute <<-SQL
+              insert or ignore into episodes
+              (title, release_date, podcast_id, duration, link, external_id)
+              values (
+                "#{escape_double_quotes(e.title)}",
+                "#{escape_double_quotes(e.release_date)}",
+                #{podcast_id},
+                "#{escape_double_quotes(e.duration)}",
+                "#{escape_double_quotes(e.link)}",
+                "#{e.external_id}"
+              );
+          SQL
+        end
+        build_success_response(details: :podcast_synchronized)
+      end
+    end
+  end
+end

lib/pod/outputs/text.rb

@@ -9,6 +9,7 @@
 require_relative "text/archive"
 require_relative "text/dearchive"
 require_relative "text/delete"
+require_relative "text/sync"
 
 module Pod
   module Outputs

lib/pod/outputs/text/sync.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+module Pod
+  module Outputs
+    module Text
+      class Sync < ::Pod::Outputs::Base
+        def call
+          case @context[:details]
+          when :podcast_synchronized
+            <<~OUTPUT
+              Podcast successfully synchronized!
+            OUTPUT
+          when :not_found
+            <<~OUTPUT
+              Podcast not found
+            OUTPUT
+          end
+        end
+      end
+    end
+  end
+end

spec/fixtures/soft_skills_engineering_new_eps.xml

@@ -0,0 +1,147 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:atom="http://www.w3.org/2005/Atom">
+  <channel>
+    <title>Soft Skills Engineering</title>
+    <description>It takes more than great code to be a great engineer. Soft Skills Engineering is a weekly advice podcast for software developers about the non-technical stuff that goes into being a great software developer.</description>
+    <itunes:summary>It takes more than great code to be a great engineer. Soft Skills Engineering is a weekly advice podcast for software developers about the non-technical stuff that goes into being a great software developer.</itunes:summary>
+    <atom:link href="https://softskills.audio/feed.xml" rel="self" type="application/rss+xml" />
+
+    <language>en</language>
+    <link>https://softskills.audio/</link>
+    <managingEditor>Jamison Dance and Dave Smith</managingEditor>
+    <webMaster>Jamison Dance and Dave Smith</webMaster>
+    <copyright>2016 Jamison Dance and Dave Smith</copyright>
+    <lastBuildDate>2023-09-11 12:00:00 +0000</lastBuildDate>
+    <itunes:explicit>no</itunes:explicit>
+    <image>
+      <link>https://softskills.audio</link>
+      <url>https://download.softskills.audio/sse-cover-art.png</url>
+      <title>Soft Skills Engineering</title>
+    </image>
+
+    <itunes:new-feed-url>https://softskills.audio/feed.xml</itunes:new-feed-url>
+    <itunes:subtitle>It takes more than great code to be a great engineer. Soft Skills Engineering is a weekly advice podcast for software developers about the non-technical stuff that goes into being a great software developer.</itunes:subtitle>
+    <itunes:author>Jamison Dance and Dave Smith</itunes:author>
+    <itunes:keywords></itunes:keywords>
+    <itunes:owner>
+      <itunes:name>Jamison Dance and Dave Smith</itunes:name>
+      <itunes:email>soft-skills-engineering@googlegroups.com</itunes:email>
+    </itunes:owner>
+    <itunes:image href="https://download.softskills.audio/sse-cover-art.png"></itunes:image>
+    <itunes:category text="Technology" />
+
+      <item>
+        <title>Episode 5: Developer Compensation</title>
+        <pubDate>Mon, 04 Apr 2016 19:00:00 +0000</pubDate>
+        <source url="https://softskills.audio">Soft Skills Engineering</source>
+        <guid isPermaLink="false">c7d52477-3b2f-4d69-a5a4-8f2911ea1dfe</guid>
+        <itunes:author></itunes:author>
+        <itunes:duration>25:33</itunes:duration>
+        <enclosure url="https://chrt.fm/track/FD81F6/dts.podtrac.com/redirect.mp3/download.softskills.audio/sse-005.mp3?source=rss" length="26148907" type="audio/mpeg"/>
+        <itunes:explicit>no</itunes:explicit>
+        <itunes:subtitle></itunes:subtitle>
+        <description>&lt;p&gt;In episode 5, Jamison and Dave answer this question:&lt;/p&gt;
+
+&lt;p&gt;What are common ways developers are compensated? Do developers usually get a bonus? Stock options?&lt;/p&gt;
+
+</description>
+        <link>https://softskills.audio/2016/04/04/episode-5-developer-compensation/</link>
+      </item>
+
+      <item>
+        <title>Episode 4: Should I build my personal brand?</title>
+        <pubDate>Thu, 31 Mar 2016 19:00:00 +0000</pubDate>
+        <source url="https://softskills.audio">Soft Skills Engineering</source>
+        <guid isPermaLink="false">45245e62-2797-4ac3-ada4-d550d12709c3</guid>
+        <itunes:author></itunes:author>
+        <itunes:duration>25:33</itunes:duration>
+        <enclosure url="https://chrt.fm/track/FD81F6/dts.podtrac.com/redirect.mp3/download.softskills.audio/sse-004.mp3?source=rss" length="27917611" type="audio/mpeg"/>
+        <itunes:explicit>no</itunes:explicit>
+        <itunes:subtitle></itunes:subtitle>
+        <description>&lt;p&gt;In episode 4, Jamison and Dave answer this question:&lt;/p&gt;
+
+&lt;p&gt;I have heard a lot about “marketing myself” and my “personal brand”. For example, some people say I should be writing a blog post every week or creating lots of YouTube content. They talk about being a “thought leader”. I love building stuff as an engineer, and obviously I want to have a great job, so how important is this stuff?&lt;/p&gt;
+
+</description>
+        <link>https://softskills.audio/2016/03/31/episode-4-should-i-build-my-personal-brand/</link>
+      </item>
+
+      <item>
+        <title>Episode 3: What to look for in a dev team</title>
+        <pubDate>Mon, 21 Mar 2016 19:00:00 +0000</pubDate>
+        <source url="https://softskills.audio">Soft Skills Engineering</source>
+        <guid isPermaLink="false">103dab3b-0da1-4f8e-883e-59552132c115</guid>
+        <itunes:author></itunes:author>
+        <itunes:duration>25:33</itunes:duration>
+        <enclosure url="https://dts.podtrac.com/redirect.mp3/download.softskills.audio/sse-003.mp3?source=rss" length="30740779" type="audio/mpeg"/>
+        <itunes:explicit>no</itunes:explicit>
+        <itunes:subtitle></itunes:subtitle>
+        <description>&lt;p&gt;In episode 3, Jamison and Dave answer two questions:&lt;/p&gt;
+
+&lt;ol&gt;
+  &lt;li&gt;
+    &lt;p&gt;What should I look for in a dev team?&lt;/p&gt;
+  &lt;/li&gt;
+  &lt;li&gt;
+    &lt;p&gt;I don’t get enough done at work. I work on a small team that has aggressive plans for developing its product, but I don’t feel like I get enough work done or move fast enough for the company.&lt;/p&gt;
+  &lt;/li&gt;
+&lt;/ol&gt;
+
+</description>
+        <link>https://softskills.audio/2016/03/21/episode-3-what-to-look-for-in-a-dev-team/</link>
+      </item>
+
+      <item>
+        <title>Episode 2: Influencing your team and dealing with anger</title>
+        <pubDate>Mon, 14 Mar 2016 19:00:00 +0000</pubDate>
+        <source url="https://softskills.audio">Soft Skills Engineering</source>
+        <guid isPermaLink="false">56d6dca2-d114-468a-953d-3f95b3048f59</guid>
+        <itunes:author></itunes:author>
+        <itunes:duration>25:33</itunes:duration>
+        <enclosure url="https://dts.podtrac.com/redirect.mp3/download.softskills.audio/sse-002.mp3?source=rss" length="34683307" type="audio/mpeg"/>
+        <itunes:explicit>no</itunes:explicit>
+        <itunes:subtitle></itunes:subtitle>
+        <description>&lt;p&gt;In episode 2, Jamison and Dave answer two questions:&lt;/p&gt;
+
+&lt;ol&gt;
+  &lt;li&gt;
+    &lt;p&gt;I work on a team, and I am not the team lead. I have lots of ideas for how to do things better. How can I influence my team without being the team lead, or without stepping on his or her shoes?&lt;/p&gt;
+  &lt;/li&gt;
+  &lt;li&gt;
+    &lt;p&gt;How do you deal with anger at work, both on the receiving and giving end?&lt;/p&gt;
+  &lt;/li&gt;
+&lt;/ol&gt;
+
+</description>
+        <link>https://softskills.audio/2016/03/14/episode-2-influencing-your-team-and-dealing-with-anger/</link>
+      </item>
+
+      <item>
+        <title>Episode 1: Startup Opportunities and Switching Jobs</title>
+        <pubDate>Mon, 07 Mar 2016 19:00:00 +0000</pubDate>
+        <source url="https://softskills.audio">Soft Skills Engineering</source>
+        <guid isPermaLink="false">aea74a8a-e4b3-11e5-9016-001c4211514f</guid>
+        <itunes:author></itunes:author>
+        <itunes:duration>25:33</itunes:duration>
+        <enclosure url="https://dts.podtrac.com/redirect.mp3/download.softskills.audio/sse-001.mp3?source=rss" length="186254" type="audio/mpeg"/>
+        <itunes:explicit>no</itunes:explicit>
+        <itunes:subtitle></itunes:subtitle>
+        <description>&lt;p&gt;Welcome to Soft Skills Engineering, where we answer your questions about non-technical topics in software engineering. Come get some wisdom, or at least some wise cracks.&lt;/p&gt;
+
+&lt;p&gt;In episode 1, Dave and Jamison answer two questions:&lt;/p&gt;
+
+&lt;ol&gt;
+  &lt;li&gt;
+    &lt;p&gt;I’m a developer who gets approached from time to time to work on new software ideas. While I find working on something new and intriguing I have no experience with business. How do I determine how legitimate these opportunities are?&lt;/p&gt;
+  &lt;/li&gt;
+  &lt;li&gt;
+    &lt;p&gt;At my current job, our codebase is a few years old and we use an “older” javascript framework. In my spare time I’ve really really enjoyed using one of the newer paradigms and technical stacks and I wish I had more opportunity to get experience with these technologies. I don’t see a rewrite or even a migration any time soon for our codebase at this company and have been considering taking a job where I’d have opportunity to work with these newer technologies. This despite enjoying my coworkers, and lacking any major complaints at this company. On a scale from 1 to 10 how crazy am I for considering a job change?&lt;/p&gt;
+  &lt;/li&gt;
+&lt;/ol&gt;
+
+</description>
+        <link>https://softskills.audio/2016/03/07/episode-1-startup-opportunities-and-switching-jobs/</link>
+      </item>
+
+  </channel>
+</rss>

spec/pod/commands/sync_spec.rb

@@ -0,0 +1,71 @@
+# frozen_string_literal: true
+
+require_relative "../../support/test_helpers"
+
+RSpec.describe Pod::Commands::Sync do
+  describe "#call", :init_pod do
+    context "when there are new episodes", :populate_db do
+      it "returns a success response and create records for the new episodes" do
+        db = Pod::Storage::SQL.new(db: TestHelpers::Path.db_dir)
+
+        before_episode_titles = db.query(
+          "select title from episodes where podcast_id = 1"
+        ).map { |e| e["title"] }
+        expected_before_episode_titles = TestHelpers::Data
+          .soft_skills_engineering_episodes
+          .map { |e| e[:title] }
+        expect(before_episode_titles).to eq(expected_before_episode_titles)
+
+        allow(
+          Net::HTTP
+        ).to receive(:get)
+          .with(URI("https://softskills.audio/feed.xml"))
+          .and_return(File.new("spec/fixtures/soft_skills_engineering_new_eps.xml").read)
+        result = described_class.call(1)
+
+        expect(result[:status]).to eq(:success)
+        expect(result[:details]).to eq(:podcast_synchronized)
+        after_episode_titles = db.query(
+          "select title from episodes where podcast_id = 1"
+        ).map { |e| e["title"] }
+        expected_after_episode_titles = TestHelpers::Data
+          .all_soft_skills_engineering_episodes
+          .map { |e| e[:title] }
+        expect(after_episode_titles).to eq(expected_after_episode_titles)
+      end
+    end
+
+    context "when the podcast is already up to date", :populate_db do
+      it "returns a success response, but does not create any records" do
+        db = Pod::Storage::SQL.new(db: TestHelpers::Path.db_dir)
+
+        before_episode_titles = db.query(
+          "select title from episodes where podcast_id = 1"
+        ).map { |e| e["title"] }
+
+        allow(
+          Net::HTTP
+        ).to receive(:get)
+          .with(URI("https://softskills.audio/feed.xml"))
+          .and_return(File.new("spec/fixtures/soft_skills_engineering.xml").read)
+        result = described_class.call(1)
+
+        expect(result[:status]).to eq(:success)
+        expect(result[:details]).to eq(:podcast_synchronized)
+        after_episode_titles = db.query(
+          "select title from episodes where podcast_id = 1"
+        ).map { |e| e["title"] }
+        expect(after_episode_titles).to eq(before_episode_titles)
+      end
+    end
+
+    context "when the podcast is not found" do
+      it "returns a failure response and does not create any records" do
+        result = described_class.call(1)
+
+        expect(result[:status]).to eq(:failure)
+        expect(result[:details]).to eq(:not_found)
+      end
+    end
+  end
+end

spec/pod/outputs/text/sync_spec.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+RSpec.describe Pod::Outputs::Text::Sync do
+  describe "#call" do
+    context "when the podcast is successfully synchronized" do
+      it "generates the correct message" do
+        response = described_class.new(status: :success, details: :podcast_synchronized)
+        expected_output = <<~OUTPUT
+          Podcast successfully synchronized!
+        OUTPUT
+
+        msg = response.call
+
+        expect(msg).to eq(expected_output)
+      end
+    end
+
+    context "when the podcast is not found" do
+      it "generates the correct message" do
+        response = described_class.new(status: :success, details: :not_found)
+        expected_output = <<~OUTPUT
+          Podcast not found
+        OUTPUT
+
+        msg = response.call
+
+        expect(msg).to eq(expected_output)
+      end
+    end
+  end
+end

spec/support/test_helpers.rb

@@ -66,6 +66,25 @@ def soft_skills_engineering_episodes
       ]
     end
 
+    def all_soft_skills_engineering_episodes
+      soft_skills_engineering_episodes + [
+        {
+          title: "Episode 4: Should I build my personal brand?",
+          release_date: "2016-03-31T19:00:00Z",
+          duration: "25:33",
+          link: "https://softskills.audio/2016/03/31/episode-4-should-i-build-my-personal-brand/",
+          external_id: "45245e62-2797-4ac3-ada4-d550d12709c3"
+        },
+        {
+          title: "Episode 5: Developer Compensation",
+          release_date: "2016-04-04T19:00:00Z",
+          duration: "25:33",
+          link: "https://softskills.audio/2016/04/04/episode-5-developer-compensation/",
+          external_id: "c7d52477-3b2f-4d69-a5a4-8f2911ea1dfe"
+        }
+      ]
+    end
+
     def fabio_akita
       {
         name: "Akitando",