decorators & tree model

app/decorators/application_decorator.rb

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+class ApplicationDecorator < Drapper::Base
+  # Lazy Helpers
+  #   PRO: Call Rails helpers without the h. proxy
+  #        ex: number_to_currency(model.price)
+  #   CON: Add a bazillion methods into your decorator's namespace
+  #        and probably sacrifice performance/memory
+  #  
+  #   Enable them by uncommenting this line:
+  #   lazy_helpers
+
+  # Shared Decorations
+  #   Consider defining shared methods common to all your models.
+  #   
+  #   Example: standardize the formatting of timestamps
+  #
+  #   def formatted_timestamp(time)
+  #     h.content_tag :span, time.strftime("%a %m/%d/%y"), 
+  #                   :class => 'timestamp' 
+  #   end
+  # 
+  #   def created_at
+  #     formatted_timestamp(model.created_at)
+  #   end
+  # 
+  #   def updated_at
+  #     formatted_timestamp(model.updated_at)
+  #   end
+end

app/decorators/commit_decorator.rb

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+class CommitDecorator < ApplicationDecorator
+  decorates :commit
+
+  def breadcrumbs
+
+  end
+end

app/decorators/tree_decorator.rb

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+class TreeDecorator < ApplicationDecorator
+  decorates :tree
+
+  def breadcrumbs(max_links = 2)
+    if path
+      part_path = ""
+      parts = path.split("\/")
+
+      yield(h.link_to("..", "#", :remote => :true)) if parts.count > max_links
+
+      parts.each do |part|
+        part_path = File.join(part_path, part) unless part_path.empty?
+        part_path = part if part_path.empty?
+
+        next unless parts.last(2).include?(part) if parts.count > max_links
+        yield(h.link_to(h.truncate(part, :length => 40), h.tree_file_project_ref_path(project, ref, :path => part_path), :remote => :true))
+      end
+    end
+  end
+
+  def up_dir?
+    !!path
+  end
+
+  def up_dir_path
+    file = File.join(path, "..")
+    h.tree_file_project_ref_path(project, ref, file)
+  end
+
+  def history_path
+    h.project_commits_path(project, :path => path, :ref => ref)
+  end
+end