Add hentai-foundry support

app/logical/sources/strategies.rb

@@ -10,7 +10,8 @@ module Sources
         Strategies::ArtStation,
         Strategies::Nijie,
         Strategies::Pawoo,
-        Strategies::Moebooru
+        Strategies::Moebooru,
+        Strategies::HentaiFoundry
       ]
     end
 

app/logical/sources/strategies/hentai_foundry.rb

@@ -0,0 +1,112 @@
+# Image URLs
+#
+# * https://pictures.hentai-foundry.com/a/Afrobull/795025/Afrobull-795025-kuroeda.png
+#
+# Page URLs
+#
+# * https://www.hentai-foundry.com/pictures/user/Afrobull/795025/kuroeda
+# * https://www.hentai-foundry.com/pictures/user/Afrobull/795025o
+#
+# Preview URLs
+#
+# * https://thumbs.hentai-foundry.com/thumb.php?pid=795025&size=350
+#
+# Profile URLs
+#
+# * https://www.hentai-foundry.com/user/kajinman/profile
+# * https://www.hentai-foundry.com/pictures/user/kajinman
+# * https://www.hentai-foundry.com/pictures/user/kajinman/scraps
+# * https://www.hentai-foundry.com/user/J-likes-to-draw/profile
+
+module Sources
+  module Strategies
+    class HentaiFoundry < Base
+      BASE_URL =    %r!\Ahttps?://(?:www\.)?hentai-foundry\.com!i
+      PAGE_URL =    %r!#{BASE_URL}/pictures/user/(?<artist_name>[\w-]+)/(?<illust_id>\d+)(?:/[\w-]*)?(\?[\w=]*)?\z!i
+      PROFILE_URL = %r!#{BASE_URL}/(?:pictures/)?user/(?<artist_name>[\w-]+)(?:/[a-z]*)?\z!i
+      IMAGE_URL =   %r!\Ahttps?://pictures\.hentai-foundry\.com/\w/(?<artist_name>[\w-]+)/(?<illust_id>\d+)/[\w-]+\.\w+\z!i
+
+      def domains
+        ["hentai-foundry.com"]
+      end
+
+      def site_name
+        "Hentai Foundry"
+      end
+
+      def image_urls
+        image = page&.search("#picBox img")
+
+        return [] unless image
+
+        image.to_a.map { |img| URI.join(page_url, img["src"]).to_s }
+      end
+
+      def preview_urls
+        image_urls.map do
+          "https://thumbs.hentai-foundry.com/thumb.php?pid=#{illust_id}&size=250"
+        end
+      end
+
+      def page_url
+        return nil if illust_id.blank? || artist_name.blank?
+        "https://www.hentai-foundry.com/pictures/user/#{artist_name}/#{illust_id}"
+      end
+
+      def page
+        return nil if page_url.blank?
+
+        doc = Cache.get("hentai-foundry:#{page_url}", 1.minute) do
+          HTTParty.get("#{page_url}?enterAgree=1").body
+        end
+
+        Nokogiri::HTML(doc)
+      end
+
+      def tags
+        tags = page&.search(".boxbody [rel='tag']") || []
+
+        tags.map do |tag|
+          [tag.text, URI.join(page_url, tag.attr("href")).to_s]
+        end
+      end
+
+      def artist_name
+        urls.map { |url| url[PROFILE_URL, :artist_name] || url[PAGE_URL, :artist_name] || url[IMAGE_URL, :artist_name] }.compact.first
+      end
+
+      def canonical_url
+        image_url
+      end
+
+      def profile_url
+        return nil if artist_name.blank?
+        "https://www.hentai-foundry.com/user/#{artist_name}"
+      end
+
+      def artist_commentary_title
+        page&.search("#picBox .imageTitle")&.text
+      end
+
+      def artist_commentary_desc
+        page&.search("#descriptionBox .picDescript")&.to_html
+      end
+
+      def dtext_artist_commentary_desc
+        DText.from_html(artist_commentary_desc).gsub(/\A[[:space:]]+|[[:space:]]+\z/, "").gsub(/\n+/, "\n")
+      end
+
+      def normalizable_for_artist_finder?
+        artist_name.present?
+      end
+
+      def normalized_for_artist_finder?
+        url =~ PROFILE_URL
+      end
+
+      def illust_id
+        url[PAGE_URL, :illust_id] || url[IMAGE_URL, :illust_id]
+      end
+    end
+  end
+end

test/unit/sources/hentai_foundry_test.rb

@@ -0,0 +1,89 @@
+require 'test_helper'
+
+module Sources
+  class HentaiFoundryTest < ActiveSupport::TestCase
+    context "The source for a hentai foundry picture" do
+      setup do
+        @image_1 = Sources::Strategies.find("https://www.hentai-foundry.com/pictures/user/Afrobull/795025/kuroeda")
+        @image_2 = Sources::Strategies.find("https://pictures.hentai-foundry.com/a/Afrobull/795025/Afrobull-795025-kuroeda.png")
+      end
+
+      should "get the illustration id" do
+        assert_equal("795025", @image_1.illust_id)
+        assert_equal("795025", @image_2.illust_id)
+      end
+
+      should "get the artist name" do
+        assert_equal("Afrobull", @image_1.artist_name)
+        assert_equal("Afrobull", @image_2.artist_name)
+      end
+
+      should "get the artist commentary title" do
+        assert_equal("kuroeda", @image_1.artist_commentary_title)
+        assert_equal("kuroeda", @image_2.artist_commentary_title)
+      end
+
+      should "get profile url" do
+        assert_equal("https://www.hentai-foundry.com/user/Afrobull", @image_1.profile_url)
+        assert_equal("https://www.hentai-foundry.com/user/Afrobull", @image_2.profile_url)
+      end
+
+      should "get the image url" do
+        assert_equal("https://pictures.hentai-foundry.com/a/Afrobull/795025/Afrobull-795025-kuroeda.png", @image_1.image_url)
+        assert_equal("https://pictures.hentai-foundry.com/a/Afrobull/795025/Afrobull-795025-kuroeda.png", @image_2.image_url)
+      end
+
+      should "get the canonical url" do
+        assert_equal("https://pictures.hentai-foundry.com/a/Afrobull/795025/Afrobull-795025-kuroeda.png", @image_1.canonical_url)
+        assert_equal("https://pictures.hentai-foundry.com/a/Afrobull/795025/Afrobull-795025-kuroeda.png", @image_2.canonical_url)
+      end
+
+      should "download an image" do
+        assert_downloaded(1_349_887, @image_1.image_url)
+        assert_downloaded(1_349_887, @image_2.image_url)
+      end
+
+      should "get the tags" do
+        assert_equal([["elf", "https://www.hentai-foundry.com/search/index?query=elf&search_in=keywords"]], @image_1.tags)
+        assert_equal([["elf", "https://www.hentai-foundry.com/search/index?query=elf&search_in=keywords"]], @image_2.tags)
+      end
+
+      should "find the correct artist" do
+        @artist = FactoryBot.create(:artist, name: "Afrobull", url_string: @image_1.url)
+        assert_equal([@artist], @image_1.artists)
+        assert_equal([@artist], @image_2.artists)
+      end
+    end
+
+    context "An artist profile url" do
+      setup do
+        @site = Sources::Strategies.find("https://www.hentai-foundry.com/user/Afrobull/profile")
+      end
+
+      should "get the profile url" do
+        assert_equal("https://www.hentai-foundry.com/user/Afrobull", @site.profile_url)
+      end
+
+      should "get the artist name" do
+        assert_equal("Afrobull", @site.artist_name)
+      end
+
+      should "get the normalized url" do
+        assert_equal("https://www.hentai-foundry.com/user/Afrobull", @site.normalize_for_artist_finder)
+      end
+    end
+
+    context "A deleted picture" do
+      setup do
+        @image = Sources::Strategies.find("https://www.hentai-foundry.com/pictures/user/faustsketcher/279498")
+        @artist = FactoryBot.create(:artist, name: "faustsketcher", url_string: @image.url)
+      end
+
+      should "still find the artist name" do
+        assert_equal("faustsketcher", @image.artist_name)
+        assert_equal("https://www.hentai-foundry.com/user/faustsketcher", @image.profile_url)
+        assert_equal([@artist], @image.artists)
+      end
+    end
+  end
+end