artists: normalize fc2.com profile urls.

app/logical/source/url.rb

@@ -28,6 +28,7 @@ module Source
       Source::URL::DeviantArt,
       Source::URL::Fanbox,
       Source::URL::Fantia,
+      Source::URL::Fc2,
       Source::URL::Foundation,
       Source::URL::HentaiFoundry,
       Source::URL::Lofter,

app/logical/source/url/fc2.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+class Source::URL::Fc2 < Source::URL
+  attr_reader :username, :profile_url
+
+  def self.match?(url)
+    url.domain.in?(%w[fc2.com fc2blog.net fc2blog.us])
+  end
+
+  def site_name
+    "FC2"
+  end
+
+  def parse
+    case [*host.split("."), *path_segments]
+
+    # http://silencexs.blog.fc2.com
+    # http://silencexs.blog106.fc2.com
+    in username, /blog\d*/, "fc2", "com", *rest
+      @username = username
+      @profile_url = "http://#{username}.blog.fc2.com"
+
+    # http://794ancientkyoto.web.fc2.com
+    # http://yorokobi.x.fc2.com
+    # https://lilish28.bbs.fc2.com
+    # http://jpmaid.h.fc2.com
+    # http://toritokaizoku.web.fc2.com/tori.html (404: http://toritokaizoku.web.fc2.com)
+    in username, ("bbs" | "web" | "h" | "x") => subsite, "fc2", "com", *rest
+      @username = username
+      @subsite = subsite
+      @profile_url = ["http://#{username}.#{subsite}.fc2.com", *rest].join("/")
+
+    # http://swordsouls.blog131.fc2blog.net
+    # http://swordsouls.blog131.fc2blog.us
+    in username, /blog\d*/, "fc2blog", ("net" | "us") => tld, *rest
+      @username = username
+      @profile_url = "http://#{username}.blog.fc2blog.#{tld}"
+
+    else
+    end
+  end
+end

app/models/artist_url.rb

@@ -23,10 +23,6 @@ class ArtistURL < ApplicationRecord
 
     url = Source::URL.parse(url)&.profile_url || url
     url = url.sub(%r{^https://}, "http://")
-    url = url.sub(%r{^http://blog-imgs-\d+\.fc2}, "http://blog.fc2")
-    url = url.sub(%r{^http://blog-imgs-\d+-\w+\.fc2}, "http://blog.fc2")
-    url = url.sub(%r{^http://blog\d*\.fc2\.com/(?:\w/){,3}(\w+)}, "http://\\1.blog.fc2.com")
-
     url = url.gsub(%r{/+\Z}, "")
     url + "/"
   end

test/unit/artist_url_test.rb

@@ -71,13 +71,8 @@ class ArtistURLTest < ActiveSupport::TestCase
     end
 
     should "normalize fc2 urls" do
-      url = create(:artist_url, url: "http://blog55.fc2.com/monet")
-      assert_equal("http://blog55.fc2.com/monet", url.url)
-      assert_equal("http://monet.blog.fc2.com/", url.normalized_url)
-
-      url = create(:artist_url, url: "http://blog-imgs-55.fc2.com/monet")
-      assert_equal("http://blog-imgs-55.fc2.com/monet", url.url)
-      assert_equal("http://monet.blog.fc2.com/", url.normalized_url)
+      url = create(:artist_url, url: "http://silencexs.blog106.fc2.com/")
+      assert_equal("http://silencexs.blog.fc2.com/", url.normalized_url)
     end
 
     should "normalize deviant art artist urls" do