Add Plurk support

app/helpers/icon_helper.rb

@@ -247,6 +247,8 @@ module IconHelper
       image_icon_tag("pixiv-fanbox-logo.png", **options)
     when "Pixiv Sketch"
       image_icon_tag("pixiv-sketch-logo.png", **options)
+    when "Plurk"
+      image_icon_tag("plurk-logo.png", **options)
     when "Privatter"
       image_icon_tag("privatter-logo.png", **options)
     when "Sakura.ne.jp"

app/logical/sources/strategies.rb

@@ -19,6 +19,7 @@ module Sources
         Strategies::Skeb,
         Strategies::Lofter,
         Strategies::Foundation,
+        Strategies::Plurk,
       ]
     end
 

app/logical/sources/strategies/plurk.rb

@@ -0,0 +1,97 @@
+# Image URLs
+#
+# * https://images.plurk.com/5wj6WD0r6y4rLN0DL3sqag.jpg
+#
+# Page URLs
+#
+# * https://www.plurk.com/p/om6zv4
+#
+# Profile URLs
+#
+# * https://www.plurk.com/redeyehare
+
+module Sources
+  module Strategies
+    class Plurk < Base
+      BASE_URL    = %r{\Ahttps?://(?:www\.)?plurk\.com}i
+      PAGE_URL    = %r{#{BASE_URL}(?:/m)?/p/(?<illust_id>\w+)}i
+      PROFILE_URL = %r{#{BASE_URL}/\w+}i
+      IMAGE_URL =   %r{https?://images\.plurk\.com/\w+\.\w+}i
+
+      def domains
+        ["plurk.com"]
+      end
+
+      def site_name
+        "Plurk"
+      end
+
+      def image_urls
+        return [url] if url =~ IMAGE_URL
+        images = page&.search(".bigplurk .content a img, .response.highlight_owner .content a img").to_a.map { |img| img["alt"] }
+        # the above returns both the "main" images, and any other art the artist might have posted in the replies
+
+        if images.empty?
+          # in case of adult posts, we fall back to the internal api, which doesn't show replies
+          images = images_from_internal_api
+        end
+
+        images
+      end
+
+      def page_url
+        return nil if illust_id.blank?
+
+        "https://plurk.com/p/#{illust_id}"
+      end
+
+      def illust_id
+        urls.map { |u| u[PAGE_URL, :illust_id] }.compact.first
+      end
+
+      def page
+        return nil if page_url.blank?
+
+        response = http.cache(1.minute).get(page_url)
+        return nil unless response.status == 200
+
+        response.parse
+      end
+
+      def images_from_internal_api
+        internal_api = page&.search("body script")&.select {|s| s.text =~ /plurk =/ }.to_a.compact.first&.text
+        return [] unless internal_api.present?
+        internal_api.scan(/(#{IMAGE_URL})/).flatten.compact.uniq.filter { |img| img !~ %r{/mx_\w+}i }
+      end
+
+      def tag_name
+        page&.at(".bigplurk .user a")&.[](:href)&.gsub(%r{^/}, "")
+      end
+
+      def artist_name
+        page&.at(".bigplurk .user a")&.text
+      end
+
+      def profile_url
+        return nil if artist_name.blank?
+        "https://www.plurk.com/#{tag_name}"
+      end
+
+      def artist_commentary_desc
+        page&.search(".bigplurk .content .text_holder, .response.highlight_owner .content .text_holder")&.to_html
+      end
+
+      def dtext_artist_commentary_desc
+        DText.from_html(artist_commentary_desc) do |element|
+          if element.name == "a"
+            element.content = ""
+          end
+        end.gsub(/\A[[:space:]]+|[[:space:]]+\z/, "")
+      end
+
+      def normalize_for_source
+        page_url
+      end
+    end
+  end
+end

app/models/artist_url.rb

@@ -108,7 +108,7 @@ class ArtistUrl < ApplicationRecord
   def priority
     sites = %w[
       Pixiv Twitter
-      ArtStation BCY Deviant\ Art Hentai\ Foundry Foundation Nico\ Seiga Nijie pawoo.net Pixiv\ Fanbox Pixiv\ Sketch Tinami Tumblr
+      ArtStation baraag.net BCY Deviant\ Art Hentai\ Foundry Foundation Nico\ Seiga Nijie pawoo.net Pixiv\ Fanbox Pixiv\ Sketch Plurk Tinami Tumblr
       Ask.fm Booth.pm Facebook Fantia FC2 Gumroad Instagram Ko-fi Livedoor Lofter Mihuashi Mixi.jp Patreon Piapro.jp Picarto Privatter Sakura.ne.jp Stickam Skeb Twitch Weibo Youtube
       Amazon Circle.ms DLSite Doujinshi.org Erogamescape Mangaupdates Melonbooks Toranoana Wikipedia
     ]

test/unit/sources/plurk_test.rb

@@ -0,0 +1,67 @@
+require "test_helper"
+
+module Sources
+  class PlurkTest < ActiveSupport::TestCase
+    context "The source for a Plurk picture" do
+      setup do
+        @post_url = "https://www.plurk.com/p/om6zv4"
+        @adult_post_url = "https://www.plurk.com/p/omc64y"
+        @image_url = "https://images.plurk.com/5wj6WD0r6y4rLN0DL3sqag.jpg"
+        @profile_url = "https://www.plurk.com/redeyehare"
+        @post1 = Sources::Strategies.find(@post_url)
+        @post2 = Sources::Strategies.find(@image_url)
+        @post3 = Sources::Strategies.find(@profile_url)
+        @post4 = Sources::Strategies.find(@adult_post_url)
+      end
+
+      should "not raise errors" do
+        assert_nothing_raised { @post1.to_h }
+        assert_nothing_raised { @post2.to_h }
+        assert_nothing_raised { @post3.to_h }
+        assert_nothing_raised { @post4.to_h }
+      end
+
+      should "get the artist name" do
+        assert_equal("紅眼兔", @post1.artist_name)
+        assert_equal("redeyehare", @post1.tag_name)
+        assert_equal("BOW99", @post4.tag_name)
+      end
+
+      should "get profile url" do
+        assert_equal(@profile_url, @post1.profile_url)
+      end
+
+      should "get the image url" do
+        assert_equal(@image_url, @post1.image_url)
+        assert_equal(@image_url, @post2.image_url)
+      end
+
+      should "get the image urls for an adult post" do
+        images = ["https://images.plurk.com/yfnumBJqqoQt50Em6xKwf.png",
+                  "https://images.plurk.com/5NaqqO3Yi6bQW1wKXq1Dc2.png",
+                  "https://images.plurk.com/3HzNcbMhCozHPk5YY8j9fI.png",
+                  "https://images.plurk.com/2e0duwn8BpSW9MGuUvbrim.png",
+                  "https://images.plurk.com/1OuiMDp82hYPEUn64CWFFB.png",
+                  "https://images.plurk.com/3F3KzZOabeMYkgTeseEZ0r.png",
+                  "https://images.plurk.com/7onKKTAIXkY4pASszrBys8.png",
+                  "https://images.plurk.com/6aotmjLGbtMLiI3slN7ODv.png",
+                  "https://images.plurk.com/6pzn7jE2nkj9EV7H25L0x1.png",
+                  "https://images.plurk.com/yA8egjDuhy0eNG9yxRj1d.png",]
+        assert_equal(images, @post4.image_urls)
+      end
+
+      should "download an image" do
+        assert_downloaded(627_697, @post1.image_url)
+        assert_downloaded(627_697, @post2.image_url)
+        assert_downloaded(520_122, @post4.image_url)
+      end
+
+      should "find the correct artist" do
+        @artist = FactoryBot.create(:artist, name: "redeyehare", url_string: @profile_url)
+        assert_equal([@artist], @post1.artists)
+        @adult_artist = FactoryBot.create(:artist, name: "bow", url_string: "https://www.plurk.com/BOW99")
+        assert_equal([@adult_artist], @post4.artists)
+      end
+    end
+  end
+end