Merge branch 'wiki'

Conflicts:
	app/views/layouts/_project_menu.html.haml

app/controllers/wikis_controller.rb

@@ -0,0 +1,68 @@
+class WikisController < ApplicationController
+  before_filter :project
+  before_filter :add_project_abilities
+  before_filter :authorize_read_wiki!
+  before_filter :authorize_write_wiki!, :except => [:show, :destroy]
+  before_filter :authorize_admin_wiki!, :only => :destroy
+  layout "project"
+  
+  def show
+    if params[:old_page_id]
+      @wiki = @project.wikis.find(params[:old_page_id])
+    else
+      @wiki = @project.wikis.where(:slug => params[:id]).order("created_at").last
+    end
+    respond_to do |format|
+      if @wiki
+        format.html
+      else
+        @wiki = @project.wikis.new(:slug => params[:id])
+        format.html { render "edit" }
+      end
+    end
+  end
+
+  def edit
+    @wiki = @project.wikis.where(:slug => params[:id]).order("created_at").last
+    @wiki = Wiki.regenerate_from @wiki
+  end
+
+  def create
+    @wiki = @project.wikis.new(params[:wiki])
+    @wiki.user = current_user
+
+    respond_to do |format|
+      if @wiki.save
+        format.html { redirect_to [@project, @wiki], notice: 'Wiki was successfully updated.' }
+      else
+        format.html { render action: "edit" }
+      end
+    end
+  end
+
+  def history
+    @wikis = @project.wikis.where(:slug => params[:id]).order("created_at")
+  end
+  
+  def destroy
+    @wikis = @project.wikis.where(:slug => params[:id]).delete_all
+
+    respond_to do |format|
+      format.html { redirect_to project_wiki_path(@project, :index), notice: "Page was successfully deleted" }
+    end
+  end
+
+  protected 
+
+  def authorize_read_wiki!
+    can?(current_user, :read_wiki, @project)
+  end
+
+  def authorize_write_wiki!
+    can?(current_user, :write_wiki, @project)
+  end
+
+  def authorize_admin_wiki!
+    can?(current_user, :admin_wiki, @project)
+  end
+end