1 files changed, 61 insertions, 0 deletions
diff --git a/_plugins/generate-media-permalink.rb b/_plugins/generate-media-permalink.rb
new file mode 100644
index 0000000..db49286
--- /dev/null
+++ b/_plugins/generate-media-permalink.rb
@@ -0,0 +1,61 @@
+module Jekyll
+  class MediaPermalinkGenerator < Generator
+    safe true
+
+    MEDIA_EXTENSION = {
+      'podcasts' => 'ogg',
+      'screencasts' => 'mkv'
+    }
+
+    def generate(site)
+      site.collections.each do |name, collection|
+        if ['podcasts', 'screencasts'].include? name then
+          collection.docs.each do |document|
+            date = document.data['date'].strftime('%Y-%m-%d')
+            slug = document.data['slug']
+            extension = MEDIA_EXTENSION[name]
+            file = "#{date}-#{slug}.#{extension}"
+            media =  "resources/#{name}/#{file}"
+            torrent = "#{media}.torrent"
+            media_link = document.url.gsub(/html$/, extension)
+            torrent_link = "#{media_link}.torrent"
+            media_page = GeneratedSymlinkResourcePage.new(site, site.source, '', media_link)
+            torrent_page = GeneratedSymlinkResourcePage.new(site, site.source, '', torrent_link)
+            media_page.data['source'] = media
+            media_page.data['slug'] = slug
+            media_page.data['extension'] = extension
+            torrent_page.data['source'] = torrent
+            torrent_page.data['slug'] = slug
+            torrent_page.data['extension'] = "#{extension}.torrent"
+            site.pages << media_page
+            site.pages << torrent_page
+          end
+        end
+      end
+    end
+  end
+
+  class GeneratedSymlinkResourcePage < Jekyll::Page
+    def read_yaml(*)
+      @data ||= {
+        "generated" => true
+      }
+    end
+
+    def write(dest)
+      source = @data['source']
+      slug = @data['slug']
+      extension = @data['extension']
+      path = destination(dest)
+      path_dirname = File.dirname(path)
+      FileUtils.mkdir_p(path_dirname)
+      stdout = `ln -fs ../../../../#{source} #{path_dirname}/#{slug}.#{extension}`
+      unless $?.success? then
+        raise "Error when running 'ln' command: #{$?}"
+      end
+      unless stdout == '' then
+        raise "Unexpected output of 'ln': #{stdout}"
+      end
+    end
+  end
+end