Adds Categories API.

Adds specs.

lib/podcast_index.rb

@@ -9,6 +9,7 @@
 require_relative "podcast_index/api/search"
 require_relative "podcast_index/api/recent"
 require_relative "podcast_index/api/value"
+require_relative "podcast_index/api/categories"
 require_relative "podcast_index/podcast"
 require_relative "podcast_index/episode"
 require_relative "podcast_index/soundbite"

lib/podcast_index/api/categories.rb

@@ -0,0 +1,14 @@
+module PodcastIndex
+  module Api
+    class Categories
+      extend Request
+
+      class << self
+        def list
+          response = get("/categories/list", pretty: false)
+          JSON.parse(response.body)
+        end
+      end
+    end
+  end
+end

spec/fixtures/files/categories/list_response.json

@@ -0,0 +1 @@
+{"status":"true","feeds":[{"id":1,"name":"Arts"},{"id":2,"name":"Books"},{"id":3,"name":"Design"},{"id":4,"name":"Fashion"},{"id":5,"name":"Beauty"},{"id":6,"name":"Food"},{"id":7,"name":"Performing"},{"id":8,"name":"Visual"},{"id":9,"name":"Business"},{"id":10,"name":"Careers"},{"id":11,"name":"Entrepreneurship"},{"id":12,"name":"Investing"},{"id":13,"name":"Management"},{"id":14,"name":"Marketing"},{"id":15,"name":"Non-Profit"},{"id":16,"name":"Comedy"},{"id":17,"name":"Interviews"},{"id":18,"name":"Improv"},{"id":19,"name":"Stand-Up"},{"id":20,"name":"Education"},{"id":21,"name":"Courses"},{"id":22,"name":"How-To"},{"id":23,"name":"Language"},{"id":24,"name":"Learning"},{"id":25,"name":"Self-Improvement"},{"id":26,"name":"Fiction"},{"id":27,"name":"Drama"},{"id":28,"name":"History"},{"id":29,"name":"Health"},{"id":30,"name":"Fitness"},{"id":31,"name":"Alternative"},{"id":32,"name":"Medicine"},{"id":33,"name":"Mental"},{"id":34,"name":"Nutrition"},{"id":35,"name":"Sexuality"},{"id":36,"name":"Kids"},{"id":37,"name":"Family"},{"id":38,"name":"Parenting"},{"id":39,"name":"Pets"},{"id":40,"name":"Animals"},{"id":41,"name":"Stories"},{"id":42,"name":"Leisure"},{"id":43,"name":"Animation"},{"id":44,"name":"Manga"},{"id":45,"name":"Automotive"},{"id":46,"name":"Aviation"},{"id":47,"name":"Crafts"},{"id":48,"name":"Games"},{"id":49,"name":"Hobbies"},{"id":50,"name":"Home"},{"id":51,"name":"Garden"},{"id":52,"name":"Video-Games"},{"id":53,"name":"Music"},{"id":54,"name":"Commentary"},{"id":55,"name":"News"},{"id":56,"name":"Daily"},{"id":57,"name":"Entertainment"},{"id":58,"name":"Government"},{"id":59,"name":"Politics"},{"id":60,"name":"Buddhism"},{"id":61,"name":"Christianity"},{"id":62,"name":"Hinduism"},{"id":63,"name":"Islam"},{"id":64,"name":"Judaism"},{"id":65,"name":"Religion"},{"id":66,"name":"Spirituality"},{"id":67,"name":"Science"},{"id":68,"name":"Astronomy"},{"id":69,"name":"Chemistry"},{"id":70,"name":"Earth"},{"id":71,"name":"Life"},{"id":72,"name":"Mathematics"},{"id":73,"name":"Natural"},{"id":74,"name":"Nature"},{"id":75,"name":"Physics"},{"id":76,"name":"Social"},{"id":77,"name":"Society"},{"id":78,"name":"Culture"},{"id":79,"name":"Documentary"},{"id":80,"name":"Personal"},{"id":81,"name":"Journals"},{"id":82,"name":"Philosophy"},{"id":83,"name":"Places"},{"id":84,"name":"Travel"},{"id":85,"name":"Relationships"},{"id":86,"name":"Sports"},{"id":87,"name":"Baseball"},{"id":88,"name":"Basketball"},{"id":89,"name":"Cricket"},{"id":90,"name":"Fantasy"},{"id":91,"name":"Football"},{"id":92,"name":"Golf"},{"id":93,"name":"Hockey"},{"id":94,"name":"Rugby"},{"id":95,"name":"Running"},{"id":96,"name":"Soccer"},{"id":97,"name":"Swimming"},{"id":98,"name":"Tennis"},{"id":99,"name":"Volleyball"},{"id":100,"name":"Wilderness"},{"id":101,"name":"Wrestling"},{"id":102,"name":"Technology"},{"id":103,"name":"True Crime"},{"id":104,"name":"TV"},{"id":105,"name":"Film"},{"id":106,"name":"After-Shows"},{"id":107,"name":"Reviews"},{"id":108,"name":"Climate"},{"id":109,"name":"Weather"},{"id":110,"name":"Tabletop"},{"id":111,"name":"Role-Playing"},{"id":112,"name":"Cryptocurrency"}],"count":112,"description":"Categories list."}

spec/podcast_index/api/categories_spec.rb

@@ -0,0 +1,16 @@
+RSpec.describe PodcastIndex::Api::Categories do
+  describe ".list" do
+    subject(:response) { described_class.list }
+
+    let(:fixture) { file_fixture("categories/list_response.json").read }
+
+    before do
+      stub_request(:get, %r{/categories/list})
+        .to_return(body: fixture, status: 200)
+    end
+
+    it "returns the body of the response" do
+      expect(response.dig("feeds", 0, "name")).to eq "Arts"
+    end
+  end
+end