support for twitter downloads

app/logical/sources/strategies/twitter.rb

@@ -0,0 +1,53 @@
+module Sources::Strategies
+  class Twitter < Base
+    def self.url_match?(url)
+      url =~ %r!https?://mobile\.twitter\.com/\w+/status/\d+!
+    end
+
+    def tags
+      []
+    end
+
+    def site_name
+      "Twitter"
+    end
+
+    def get
+      agent.get(url) do |page|
+        @artist_name, @profile_url = get_profile_from_page(page)
+        @image_url = get_image_url_from_page(page)
+      end
+    end
+
+    def get_profile_from_page(page)
+      links = page.search("a.profile-link")
+      if links.any?
+        profile_url = "https://twitter.com" + links[0]["href"]
+        artist_name = links[0].search("span")[0].text
+      else
+        profile_url = nil
+        artist_name = nil
+      end
+
+      return [artist_name, profile_url].compact
+    end
+
+    def get_image_url_from_page(page)
+      divs = page.search("div.media")
+
+      if divs.any?
+        image_url = divs.search("img")[0]["src"] + ":large"
+      else
+        image_url = nil
+      end
+
+      return image_url
+    end
+
+    private
+
+    def agent
+      @agent ||= Mechanize.new
+    end
+  end
+end