lib/servel/index.rb in servel-0.20.0 vs lib/servel/index.rb in servel-0.21.0

@@ -1,21 +1,44 @@
 class Servel::Index
   extend Servel::Instrumentation
+  RENDER_CACHE = LruRedux::ThreadSafeCache.new(100)
 
-  def initialize(url_root:, url_path:)
+  def initialize(url_root:, url_path:, fs_path:)
     @url_root = url_root
     @url_path = url_path
+    @fs_path = fs_path
   end
 
   def render
-    Servel::HamlContext.render('index.haml', locals)
+    RENDER_CACHE.getset(render_cache_key) { Servel::HamlContext.render('index.haml', locals) }
   end
 
+  def render_cache_key
+    @render_cache_key ||= [@fs_path.to_s, @fs_path.mtime.to_i].join("-")
+  end
+
   def locals
+    children = @fs_path.children.map { |path| Servel::EntryFactory.for(path) }.compact
+
     {
       url_root: @url_root,
-      url_path: @url_path
+      url_path: @url_path,
+      special_entries: special_entries.to_json,
+      directory_entries: children.select(&:directory?).to_json,
+      file_entries: children.select(&:file?).to_json
     }
+  end
+
+  def special_entries
+    list = []
+    list << Servel::EntryFactory.home("/") if @url_root != ""
+
+    unless @url_path == "/"
+      list << Servel::EntryFactory.top(@url_root == "" ? "/" : @url_root)
+      list << Servel::EntryFactory.parent("../")
+    end
+
+    list
   end
 
   instrument :render, :locals
 end
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