[Logilogi-svn] SF.net SVN: logilogi: [283] projects

Revision: 283
          http://logilogi.svn.sourceforge.net/logilogi/?rev=283&view=rev
Author:   wybow
Date:     2007-05-20 02:51:03 -0700 (Sun, 20 May 2007)

Log Message:
-----------
Initial import of side-project ogog.org

Added Paths:
-----------
    projects/
    projects/ogog/
    projects/ogog/README
    projects/ogog/Rakefile
    projects/ogog/app/
    projects/ogog/app/controllers/
    projects/ogog/app/controllers/account_controller.rb
    projects/ogog/app/controllers/application.rb
    projects/ogog/app/controllers/doc_controller.rb
    projects/ogog/app/controllers/download_controller.rb
    projects/ogog/app/controllers/feed_controller.rb
    projects/ogog/app/controllers/post_controller.rb
    projects/ogog/app/controllers/user_controller.rb
    projects/ogog/app/helpers/
    projects/ogog/app/helpers/application_helper.rb
    projects/ogog/app/helpers/feed_helper.rb
    projects/ogog/app/helpers/post_helper.rb
    projects/ogog/app/helpers/user_helper.rb
    projects/ogog/app/models/
    projects/ogog/app/models/context.rb
    projects/ogog/app/models/feed.rb
    projects/ogog/app/models/link.rb
    projects/ogog/app/models/membership.rb
    projects/ogog/app/models/post.rb
    projects/ogog/app/models/tag.rb
    projects/ogog/app/models/tagging.rb
    projects/ogog/app/models/user.rb
    projects/ogog/app/models/vote.rb
    projects/ogog/app/views/
    projects/ogog/app/views/account/
    projects/ogog/app/views/account/_login.rhtml
    projects/ogog/app/views/account/forgot.rhtml
    projects/ogog/app/views/account/login.rhtml
    projects/ogog/app/views/account/signup.rhtml
    projects/ogog/app/views/doc/
    projects/ogog/app/views/doc/_slide.rhtml
    projects/ogog/app/views/doc/api.rhtml
    projects/ogog/app/views/doc/tour.rhtml
    projects/ogog/app/views/feed/
    projects/ogog/app/views/feed/_last_post.rhtml
    projects/ogog/app/views/feed/_last_posts.rhtml
    projects/ogog/app/views/feed/claim.rhtml
    projects/ogog/app/views/feed/new.rhtml
    projects/ogog/app/views/feed/show.rhtml
    projects/ogog/app/views/layouts/
    projects/ogog/app/views/layouts/main.rhtml
    projects/ogog/app/views/post/
    projects/ogog/app/views/post/_cloud.rhtml
    projects/ogog/app/views/post/_double_url_bar.rhtml
    projects/ogog/app/views/post/_post.rhtml
    projects/ogog/app/views/post/_post_top_block_score.rhtml
    projects/ogog/app/views/post/_posts.rhtml
    projects/ogog/app/views/post/_rating_bar.rhtml
    projects/ogog/app/views/post/_viewpoints.rhtml
    projects/ogog/app/views/post/index.rhtml
    projects/ogog/app/views/post/rate.rjs
    projects/ogog/app/views/post/viewpoint.rhtml
    projects/ogog/app/views/shared/
    projects/ogog/app/views/shared/_menu.rhtml
    projects/ogog/app/views/shared/_single_url_bar.rhtml
    projects/ogog/app/views/shared/_sponsoring.rhtml
    projects/ogog/app/views/user/
    projects/ogog/app/views/user/_badge.rhtml
    projects/ogog/app/views/user/_badges.rhtml
    projects/ogog/app/views/user/badge.rhtml
    projects/ogog/app/views/user/new.rhtml
    projects/ogog/app/views/user/show.rhtml
    projects/ogog/components/
    projects/ogog/config/
    projects/ogog/config/boot.rb
    projects/ogog/config/daemons.yml
    projects/ogog/config/database.yml.tmpl
    projects/ogog/config/environment.rb.tmpl
    projects/ogog/config/environments/
    projects/ogog/config/environments/development.rb
    projects/ogog/config/environments/production.rb
    projects/ogog/config/environments/test.rb
    projects/ogog/config/routes.rb
    projects/ogog/db/
    projects/ogog/db/migrate/
    projects/ogog/db/migrate/001_initial_schema.rb
    projects/ogog/db/schema.rb
    projects/ogog/doc/
    projects/ogog/doc/CONTRIBUTORS.txt
    projects/ogog/doc/LICENSE.txt
    projects/ogog/doc/README_FOR_APP
    projects/ogog/lib/
    projects/ogog/lib/daemons/
    projects/ogog/lib/daemons/feedharvester.rb
    projects/ogog/lib/daemons/ranking.rb
    projects/ogog/lib/daemons/ranking_ctl
    projects/ogog/lib/extensions/
    projects/ogog/lib/extensions/active_support.rb
    projects/ogog/lib/extensions/array.rb
    projects/ogog/lib/extensions/cgi.rb
    projects/ogog/lib/extensions/fixnum.rb
    projects/ogog/lib/extensions/float.rb
    projects/ogog/lib/extensions/module.rb
    projects/ogog/lib/extensions/nil_class.rb
    projects/ogog/lib/extensions/tabular_form_builder.rb
    projects/ogog/lib/extensions.rb
    projects/ogog/lib/modules/
    projects/ogog/lib/modules/body_builder_module.rb
    projects/ogog/lib/task_helper.rb
    projects/ogog/lib/tasks/
    projects/ogog/lib/tasks/commit.rake
    projects/ogog/lib/tasks/do_check_commit.rake
    projects/ogog/lib/tasks/do_commit.rake
    projects/ogog/lib/tasks/do_dev_db.rake
    projects/ogog/lib/tasks/do_docs.rake
    projects/ogog/lib/tasks/do_update.rake
    projects/ogog/lib/tasks/redo_dev_db.rake
    projects/ogog/log/
    projects/ogog/public/
    projects/ogog/public/.htaccess
    projects/ogog/public/404.html
    projects/ogog/public/500.html
    projects/ogog/public/dispatch.cgi
    projects/ogog/public/dispatch.fcgi
    projects/ogog/public/dispatch.rb
    projects/ogog/public/favicon.ico
    projects/ogog/public/images/
    projects/ogog/public/images/badge-logo.png
    projects/ogog/public/images/badge-logo.svg
    projects/ogog/public/images/bar.jpg
    projects/ogog/public/images/bar.svg
    projects/ogog/public/images/feed.png
    projects/ogog/public/images/logo.jpg
    projects/ogog/public/images/logo.svg
    projects/ogog/public/images/rails.png
    projects/ogog/public/images/req_rec.png
    projects/ogog/public/images/req_rec.svg
    projects/ogog/public/images/skull.png
    projects/ogog/public/images/skull.svg
    projects/ogog/public/images/skulls.jpg
    projects/ogog/public/images/skulls.svg
    projects/ogog/public/images/star.png
    projects/ogog/public/images/star.svg
    projects/ogog/public/images/stars.jpg
    projects/ogog/public/images/stars.svg
    projects/ogog/public/images/tour/
    projects/ogog/public/images/tour/0.png
    projects/ogog/public/images/tour/0.svg
    projects/ogog/public/images/tour/1.png
    projects/ogog/public/images/tour/1.svg
    projects/ogog/public/images/tour/2.png
    projects/ogog/public/images/tour/2.svg
    projects/ogog/public/images/tour/3.png
    projects/ogog/public/images/tour/3.svg
    projects/ogog/public/images/tour/4.png
    projects/ogog/public/images/tour/4.svg
    projects/ogog/public/images/tour/5.png
    projects/ogog/public/images/tour/5.svg
    projects/ogog/public/images/tour/6.png
    projects/ogog/public/images/tour/6.svg
    projects/ogog/public/images/tour/7.png
    projects/ogog/public/images/tour/7.svg
    projects/ogog/public/javascripts/
    projects/ogog/public/javascripts/application.js
    projects/ogog/public/javascripts/controls.js
    projects/ogog/public/javascripts/dragdrop.js
    projects/ogog/public/javascripts/effects.js
    projects/ogog/public/javascripts/prototype.js
    projects/ogog/public/pub/
    projects/ogog/public/pub/test/
    projects/ogog/public/pub/test/lama/
    projects/ogog/public/pub/test/lama/badgedindex.html
    projects/ogog/public/pub/test/lama/feed/
    projects/ogog/public/pub/test/lama/feed/feed.atom
    projects/ogog/public/pub/test/lama/linkedindex.html
    projects/ogog/public/pub/test/lama/posts/
    projects/ogog/public/pub/test/lama/posts/post1.html
    projects/ogog/public/pub/test/lama/posts/post2.html
    projects/ogog/public/pub/test/lama/posts/post3.html
    projects/ogog/public/pub/test/rules.htm
    projects/ogog/public/robots.txt
    projects/ogog/public/source.zip
    projects/ogog/public/stylesheets/
    projects/ogog/public/stylesheets/ogog-ie.css
    projects/ogog/public/stylesheets/ogog-ie6.css
    projects/ogog/public/stylesheets/ogog.css
    projects/ogog/script/
    projects/ogog/script/about
    projects/ogog/script/breakpointer
    projects/ogog/script/console
    projects/ogog/script/destroy
    projects/ogog/script/generate
    projects/ogog/script/performance/
    projects/ogog/script/performance/benchmarker
    projects/ogog/script/performance/profiler
    projects/ogog/script/plugin
    projects/ogog/script/process/
    projects/ogog/script/process/inspector
    projects/ogog/script/process/reaper
    projects/ogog/script/process/spawner
    projects/ogog/script/runner
    projects/ogog/script/server
    projects/ogog/test/
    projects/ogog/test/fixtures/
    projects/ogog/test/fixtures/feeds.yml
    projects/ogog/test/fixtures/memberships.yml
    projects/ogog/test/fixtures/posts.yml
    projects/ogog/test/fixtures/taggings.yml
    projects/ogog/test/fixtures/tags.yml
    projects/ogog/test/fixtures/users.yml
    projects/ogog/test/fixtures/votes.yml
    projects/ogog/test/functional/
    projects/ogog/test/functional/post_controller_test.rb
    projects/ogog/test/integration/
    projects/ogog/test/mocks/
    projects/ogog/test/mocks/development/
    projects/ogog/test/mocks/test/
    projects/ogog/test/test_helper.rb
    projects/ogog/test/unit/
    projects/ogog/test/unit/context_test.rb
    projects/ogog/test/unit/extensions/
    projects/ogog/test/unit/extensions/array_test.rb
    projects/ogog/test/unit/extensions/fixnum_test.rb
    projects/ogog/test/unit/extensions/float_test.rb
    projects/ogog/test/unit/extensions/nil_class_test.rb
    projects/ogog/test/unit/feed_test.rb
    projects/ogog/test/unit/link_test.rb
    projects/ogog/test/unit/membership_test.rb
    projects/ogog/test/unit/post_test.rb
    projects/ogog/test/unit/tag_test.rb
    projects/ogog/test/unit/tagging_test.rb
    projects/ogog/test/unit/user_test.rb
    projects/ogog/test/unit/vote_test.rb
    projects/ogog/tmp/
    projects/ogog/tmp/cache/
    projects/ogog/tmp/pids/
    projects/ogog/tmp/sessions/
    projects/ogog/tmp/sockets/
    projects/ogog/vendor/
    projects/ogog/vendor/plugins/

Added: projects/ogog/README
===================================================================
--- projects/ogog/README	                        (rev 0)
+++ projects/ogog/README	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,5 @@
+The readme is found in:
+doc/README_FOR_APP
+
+and online at:
+http://www.ogog.org/pub/doc/app/

Added: projects/ogog/Rakefile
===================================================================
--- projects/ogog/Rakefile	                        (rev 0)
+++ projects/ogog/Rakefile	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,10 @@
+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require(File.join(File.dirname(__FILE__), 'config', 'boot'))
+
+require 'rake'
+require 'rake/testtask'
+require 'rake/rdoctask'
+
+require 'tasks/rails'

Added: projects/ogog/app/controllers/account_controller.rb
===================================================================
--- projects/ogog/app/controllers/account_controller.rb	                        (rev 0)
+++ projects/ogog/app/controllers/account_controller.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,132 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+
+require "pathname"
+require "cgi"
+
+# load the openid library
+begin
+  require "rubygems"
+  require_gem "ruby-openid", ">= 1.0.2"
+rescue LoadError
+  require "openid"
+end
+
+class AccountController < ApplicationController
+  layout  'main'
+
+  ### Filters
+
+  before_filter :build_bodies,
+      : [:signup, :login, :forgot]
+
+  ### Bodies
+
+  url_bar_body :single_tagless_url_bar
+
+  ### Metheds
+  
+  # Explanation + offer to signup with OpenID
+  #
+  def signup
+  end
+
+  # Help people out with forgotten passwords.
+  #
+  def forgot
+  end
+
+  # Processes the login request, disovers the openid server, and
+  # then redirects.
+  #
+  def login
+    openid_url = params[:account][:openid_url]
+    if request.post?
+      request = consumer.begin(openid_url)
+
+      case request.status
+      when OpenID::SUCCESS
+        return_to = url_for(:action => 'complete')
+        trust_root = url_for(:controller =>'')
+
+        url = request.redirect_url(trust_root, return_to)
+        redirect_to(url)
+        return
+      when OpenID::FAILURE
+        escaped_url = CGI::escape(openid_url)
+        flash[:notice] = "Could not find OpenID server for #{escaped_url}"
+      else
+        flash[:notice] = "An unknown error occured."
+      end      
+    end
+  end
+
+  # Handles the openid server response.
+  #
+  def complete
+    response = consumer.complete(params)
+    
+    case response.status
+    when OpenID::SUCCESS
+      @user = User.get(response.identity_url)
+      
+      flash[:notice] = "Verified as #{response.identity_url}"
+       
+      if @user.nil?
+        # create user object if one does not exist
+        session[:openid_url] = response.identity_url
+        redirect_to new_user_url()
+      else 
+        session[:user_id] = @user.id
+        if request.env["HTTP_REFERER"].nil?
+          redirect_to index_url()
+        else
+          redirect_to :back
+        end
+      end
+      return
+    when OpenID::FAILURE
+      if response.identity_url
+        flash[:notice] = "Verification of #{CGI::escape(response.identity_url)} failed."
+      else
+        flash[:notice] = 'Verification failed.'
+      end
+    when OpenID::CANCEL
+      flash[:notice] = 'Verification cancelled.'
+    else
+      flash[:notice] = 'Unknown response from OpenID server.'
+    end
+    redirect_to :action => 'login'
+  end
+  
+  # Terminates the session.
+  #
+  def logout
+    session[:user_id] = nil
+    User.reset
+    redirect_to :back
+  end
+    
+  private
+
+  # Gets the OpenID::Consumer object.
+  #
+  def consumer
+    # create the OpenID store for storing associations and nonces,
+    # putting it in your app's db directory
+    store_dir = Pathname.new(RAILS_ROOT).join('db').join('openid-store')
+    store = OpenID::FilesystemStore.new(store_dir)
+
+    return OpenID::Consumer.new(session, store)
+  end
+end

Added: projects/ogog/app/controllers/application.rb
===================================================================
--- projects/ogog/app/controllers/application.rb	                        (rev 0)
+++ projects/ogog/app/controllers/application.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,95 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+
+class ApplicationController < ActionController::Base
+  ### Inclusions
+
+  # Pick a unique cookie name to distinguish our session data from others'
+  session :session_key => '_trunk_session_id'
+
+  include BodyBuilderModule # Bodies and body_parts.
+
+  ### Filters
+
+  before_filter :get_user, :resolve_context
+
+  ### Bodies
+
+  body_parts :url_bar, :left, :right
+
+  left_body :menu
+
+  right_body :sponsoring,
+    :except => [:index]
+
+  ### Filter functions
+
+  def get_user
+    if session[:user_id]
+      User.current = User.find(session[:user_id])
+    else
+      User.reset
+    end
+    return true
+  end
+
+  def resolve_context
+    if params[:link_string]
+      begin
+        Context.current = Context.new(Link.new_from_s(params[:link_string]))
+      rescue
+        Context.current = Context.new(Link.new_from_s(params[:link_string].split('/')[-3..-1].join('/')))
+        flash.now[:notice] = 'Only 3 stacked tags can be requested at the same time'
+      end
+      Context.current.resolve
+    else
+      Context.current = Context.new(Tag.or_new_from_s(params[:tag_string]))
+    end
+  end
+
+  ### Body functions
+
+  def menu
+    render_to_string(:partial => 'shared/menu',
+        :locals => {:action => params[:action]})
+  end
+
+  def sponsoring
+    render_to_string(:partial => 'shared/sponsoring')
+  end
+
+  ### Methods
+
+  def single_url_bar
+    url = url_for(params.merge(:only_path => true)).slice(1..-1).split('/')[0...-1].join(' / ')
+    render_to_string(:partial => 'shared/single_url_bar', 
+        :locals => {:url => url, :tag => Context.current.tag})
+  end
+
+  def single_tagless_url_bar
+    url = url_for(params.merge(:only_path => true)).slice(1..-1).split('/').join(' / ')
+    render_to_string(:partial => 'shared/single_url_bar', 
+        :locals => {:url => url, :tag => nil})
+  end
+
+  ### Hacks
+
+  def help
+    Helper.instance
+  end
+
+  class Helper
+    include Singleton
+    include ApplicationHelper
+  end
+end

Added: projects/ogog/app/controllers/doc_controller.rb
===================================================================
--- projects/ogog/app/controllers/doc_controller.rb	                        (rev 0)
+++ projects/ogog/app/controllers/doc_controller.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,52 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+
+class DocController < ApplicationController
+  layout 'main'
+
+  ### Filters
+
+  before_filter :build_bodies
+
+  ### Bodies
+
+  url_bar_body :single_tagless_url_bar
+
+  ### Filter functions
+  
+  ### Methods
+
+  def tour
+    @slide_s = slide_s
+  end
+
+  def faq
+  end
+
+  def api
+  end
+
+  # AJAX
+
+  def slide
+    render :text => slide_s
+  end
+
+  # Private
+  
+  private
+
+  def slide_s
+    render_to_string(:partial => 'slide', :locals => {:page => params[:page].to_i, :max => 7})
+  end
+end

Added: projects/ogog/app/controllers/download_controller.rb
===================================================================
--- projects/ogog/app/controllers/download_controller.rb	                        (rev 0)
+++ projects/ogog/app/controllers/download_controller.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,55 @@
+#--#
+# Copyright: (c) 2006, 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the LogiLogi program. LogiLogi is free software. You
+#   can run/distribute/modify LogiLogi under the terms of the Affero General 
+#   Public License version 1 or any later version. The Affero GPL states that 
+#   running a modified version or a derivative work also requires you to make
+#   the sourcecode of that work available to everyone that can interact with
+#   it. We chose the Affero GPL to ensure that LogiLogi remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+
+class DownloadController < ApplicationController
+  def regenerate_source_archive
+    Zip::ZipFile.open("tmp/source.zip", Zip::ZipFile::CREATE) {|zipfile|
+      globs = Array.new
+      files = Array.new
+      files.push("Rakefile",
+                 "README")
+      globs.push(File.join("app","**", "*.rb"))
+      globs.push(File.join("components","**", "*.rb"))
+      globs.push(File.join("config","**", "*.tmpl"))
+      files.push("config/routes.rb",
+                 "config/environment.rb",
+                 "config/boot.rb",
+                 "config/daemons.yml")
+      globs.push(File.join("config/environments","**", "*.tmpl"))
+      globs.push(File.join("db","**", "*.rb"))
+      files.push("doc/LICENSE.txt",
+                 "doc/README_FOR_APP")
+      globs.push(File.join("lib","**", "*.rb"))
+      globs.push(File.join("lib","**", "*.rake"))
+      globs.push(File.join("public","**", "[^.]*"))
+      globs.push(File.join("script","**", "[^.]*"))
+      globs.push(File.join("test","**", "*.rb"))
+      globs.push(File.join("test","**", "*.yml"))
+      globs.push(File.join("vendor","**", "[^.]*"))
+      globs.each {|glob|
+        files.concat(Dir.glob(glob))
+      }
+      files.each {|file_name|
+        if File.exists?(file_name)
+          zipfile.add(file_name,file_name)
+        end
+      }
+    }
+    File.rename("tmp/source.zip","public/source.zip")
+  end
+
+  def source
+    self.regenerate_source_archive
+    send_file "public/source.zip", :filename => 'source.zip'
+  end
+end

Added: projects/ogog/app/controllers/feed_controller.rb
===================================================================
--- projects/ogog/app/controllers/feed_controller.rb	                        (rev 0)
+++ projects/ogog/app/controllers/feed_controller.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,98 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+
+class FeedController < ApplicationController
+  layout 'main'
+
+  ### Filters
+
+  before_filter :find,
+      :except => [:new, :create]
+  before_filter :build_bodies,
+      :except => [:create, :update]
+
+  ### Bodies
+
+  url_bar_body :single_tagless_url_bar
+
+  ### Filter functions
+  
+  def find
+    @feed = Feed.find(params[:id])
+  end
+
+  ### Body functions
+
+  ### Methods
+
+  # Crud
+
+  def index
+  end
+
+  def new
+  end
+
+  def create
+    @feed = Feed.new(:url => params[:feed][:url])
+    @feed.save
+    @feed.harvest
+    if !@feed.bad?
+      redirect_to claim_feed_url(@feed)
+    else
+      flash[:error] = 'Your feed could not be processed, check the url or the feed-status below'
+      redirect_to feed_url(@feed)
+    end
+  end
+
+  def claim
+    if request.method == :post
+      begin
+        @feed.claim
+        flash[:notice] = 'Successfully claimed feed'
+        redirect_to feed_url(@feed)
+      rescue
+        flash[:error] = $!
+      end
+    end
+  end
+
+  def show
+    @last_posts_s = last_posts_s
+  end
+
+  def edit
+  end
+
+  def update
+  end
+
+  def delete
+  end
+
+  # AJAX
+
+  def last_posts
+    render :text => last_posts_s
+  end
+
+  # Private
+  
+  def last_posts_s
+    pages = Paginator.new(self, @feed.posts.count, 7, params[:page])
+    posts = @feed.posts.find(:all, :limit => pages.items_per_page, :offset => pages.current.offset, 
+        :order => 'published_at DESC')
+    render_to_string(:partial => 'last_posts', :locals => {
+        :pages => pages, :posts => posts, :feed => @feed})
+  end
+end

Added: projects/ogog/app/controllers/post_controller.rb
===================================================================
--- projects/ogog/app/controllers/post_controller.rb	                        (rev 0)
+++ projects/ogog/app/controllers/post_controller.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,118 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+
+class PostController < ApplicationController
+  layout 'main'
+
+  ### Filters
+
+  before_filter :find,
+    :except => [:index, :new_posts, :top_posts]
+  before_filter :build_bodies
+
+  ### Bodies
+
+  url_bar_body :double_url_bar,
+    : [:index]
+  url_bar_body :single_url_bar,
+    :except => [:index]
+
+#  left_body :cloud,
+#    : [:index]
+  left_body :viewpoints,
+    : [:viewpoint]
+
+  ### Filter functions
+  
+  def find
+    @post = Post.find(params[:id])
+  end
+
+  ### Body functions
+
+  def double_url_bar
+    render_to_string(:partial => 'double_url_bar')
+  end
+
+  def cloud
+    tags = Tag.top_tags(Context.current.link.received_tags, :order => "count DESC, word", :limit => 100).
+        sort_by {|tag| tag.word}
+    render_to_string(:partial => 'cloud',
+        :locals => {:tags => tags})
+  end
+
+  def viewpoints
+    render_to_string(:partial => 'viewpoints',
+        :locals => {
+            :post => @post,
+            :taggings => @post.taggings.order_by_score,
+            :current_tagging => @post.tagging_for(Context.current.tag)})
+  end
+
+  ### Methods
+
+  def index
+    @new_posts_s = new_posts_s
+    @top_posts_s = top_posts_s
+  end
+
+  def viewpoint
+  end
+
+  # Misc
+
+  def rate
+    if !params[:score] or !params[:id]
+      raise 'Missing parameter'
+    end
+    @post.rate(params[:score].to_i, Context.current.tag, request.env['REMOTE_ADDR'])
+  end
+
+  # AJAX
+
+  def new_posts
+    render :text => new_posts_s
+  end
+
+  def top_posts
+    render :text => top_posts_s
+  end
+
+  # Private
+
+  private
+
+  def new_posts_s
+    conditions = 'p.published_at >= "' + 1.week.ago.to_s(:db) + '"'
+    received_tags = Context.current.link.received_tags
+    pages = Paginator.new(self, 
+        Tagging.count_posts_for(received_tags, :conditions => conditions), 7, params[:page])
+    posts = Tagging.top_posts_for(received_tags, :conditions => conditions, 
+        :limit => pages.items_per_page, :offset => pages.current.offset)
+    render_to_string(:partial => 'posts', :locals => {
+        :pages => pages, :posts => posts, :update => 'new_posts_s',
+        :action => :new_posts, :link_string => Context.current.link.to_s})
+  end
+
+  def top_posts_s
+    conditions = 'p.published_at < "' + 1.week.ago.to_s(:db) + '"'
+    received_tags = Context.current.link.received_tags
+    pages = Paginator.new(self, 
+        Tagging.count_posts_for(received_tags, :conditions => conditions), 7, params[:page])
+    posts = Tagging.top_posts_for(received_tags,:conditions => conditions,
+        :limit => pages.items_per_page, :offset => pages.current.offset)
+    render_to_string(:partial => 'posts', :locals => {
+        :pages => pages, :posts => posts, :update => 'top_posts_s',
+        :link_string => Context.current.link.to_s, :action => :top_posts})
+  end
+end

Added: projects/ogog/app/controllers/user_controller.rb
===================================================================
--- projects/ogog/app/controllers/user_controller.rb	                        (rev 0)
+++ projects/ogog/app/controllers/user_controller.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,164 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+
+class UserController < ApplicationController
+  layout 'main'
+
+  ### Filters
+
+  before_filter :find
+  before_filter :order_memberships, 
+      : [:show]
+  before_filter :build_bodies
+
+  ### Bodies
+
+  url_bar_body :single_tagless_url_bar
+
+  left_body :cloud,
+      : [:index]
+  left_body :badges,
+      : [:show]
+
+  ### Filter functions
+  
+  def find
+    if params[:openid_url]
+      @user = User.find_by_openid_url(params[:openid_url])
+    else
+      @user = User.find_by_name(params[:id])
+    end
+    if !@user
+      respond_to do |format|
+        format.html do
+          flash[:warning] = 'Requested user does not exist'
+          redirect_to main_url()
+        end
+        format.json do
+          render :json => {}.to_json
+        end
+        format.xml do
+          render :xml => {}.to_xml(:root => 'badge')
+        end
+      end
+      return false
+    end
+  end
+
+  def order_memberships
+    @memberships = @user.memberships.order_by_percentile
+  end
+
+  ### Body functions
+
+  def cloud
+    render_to_string(:partial => 'cloud')
+  end
+
+  def badges
+    render_to_string(:partial => 'badges', 
+        :locals => {:user => @user, :memberships => @memberships})
+  end
+
+  ### CRUD-methods
+
+  def index
+  end
+
+  def new
+    if session[:openid_url]
+      @user = User.new(:name => User.suggest_word_from_openid_url(session[:openid_url]))
+    else
+      flash.now[:warning] = "You need to have cookies enabled to create and use an account. Enable them and login again."
+    end
+  end
+
+  def create
+    if session[:openid_url]
+      begin
+        params[:user][:openid_url] = session[:openid_url]
+        @user = User.new(params[:user])
+        User.transaction(@user) do
+          if @user.save
+            session[:openid_url] = nil
+            session[:user_id] = @user.id
+            redirect_to user_url(:id => @user.name)
+          else
+            flash[:warning] = "User account could not be created! Please retry."
+            redirect_to new_user_url()
+          end
+        end
+      rescue
+        flash[:warning] = "Error creating User. Please try again later."
+        redirect_to new_user_url()
+      end
+    else
+      flash[:warning] = "Your openid_url was lost from the session. Please report this bug."
+      redirect_to new_user_url()
+    end
+  end
+
+  def show
+    @last_posts = @user.last_posts
+  end
+
+  def badge
+    percentile = @user.percentile_for(Context.current.tag)
+    respond_to do |format|
+      format.html 
+      format.json do
+        render :json => {
+            :tag => Context.current.tag.to_s, 
+            :percentile => percentile,
+            :power => @user.voting_power_for(Context.current.tag),
+            :user => @user.name}.to_json
+      end
+      format.xml do
+        render :xml => {
+            :tag => Context.current.tag.to_s, 
+            :percentile => percentile,
+            :power => @user.voting_power_for(Context.current.tag),
+            :user => @user.name}.to_xml(:root => 'badge')
+      end
+      format.png do
+        percentile = percentile.round
+        img = Magick::ImageList.new("#{RAILS_ROOT}/public/images/badge-logo.png")
+    
+        text = Magick::Draw.new
+        text.font_family = 'verdana'
+  
+        text.annotate(img, 0,0,5,7, @user.full_name) {
+          self.pointsize = 10
+          self.gravity = Magick::NorthWestGravity
+        }
+        text.annotate(img, 0,0,5,-3, help.percentile_in_words(percentile) + ' at') {
+          self.pointsize = 10
+          self.gravity = Magick::WestGravity
+        }
+        text.annotate(img, 0,0,0,5, Context.current.tag.to_s) {
+          self.pointsize = 15
+          self.gravity = Magick::SouthGravity
+        }
+        text.annotate(img, 0,0,(percentile == 100 ? 5 : (percentile < 10 ? 16 : 10)),11, percentile.to_s) {
+          self.pointsize = 24
+          self.font_weight = Magick::BoldWeight
+          self.gravity = Magick::NorthEastGravity
+        }
+
+        send_data img.to_blob, :filename => "badge.png",
+                               :disposition => 'inline',
+                               :type => 'image/png'
+      end
+    end
+  end
+end

Added: projects/ogog/app/helpers/application_helper.rb
===================================================================
--- projects/ogog/app/helpers/application_helper.rb	                        (rev 0)
+++ projects/ogog/app/helpers/application_helper.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,128 @@
+# Methods added to this helper will be available to all templates in the application.
+module ApplicationHelper
+  include Rubaidh::TabularForm
+
+  def link_to_tag(tag, options = {})
+    link_to(tag.to_s, index_url({:link_string => tag.to_s}),options) 
+  end
+
+  def link_to_post(string, post, tag, options = {})
+    link_to string, show_url({:tag_string => tag.to_s,
+        :action => 'viewpoint', :id => post}.merge(options))
+  end
+
+  def link_to_user(user)
+    link_to user.name, user_url(:id => user.name)
+  end
+
+  def link_to_feed(feed)
+    link_to feed.title, feed_url(feed)
+  end
+
+  def score_image(score)
+    if score.nil?
+      image = 'star'
+    else
+      image = (score >= 0 ? 'star' : 'skull')
+    end
+    # Below is a hack for the DXImageTransform IE CSS hack
+    return '<div class="score_image score_image_' + image + '">' +
+    image_tag(image + '.png', :class => 'score', :size => '90x90') +
+    '</div>'
+  end
+
+  def score_nr(score)
+    (score ? number_with_precision(score, 1) : '~')
+  end
+
+  def tagging_score(tagging)
+    '<span class="score">' + score_nr(tagging.score) + '</span>'
+  end
+
+  def membership_percentile(membership)
+    '<span class="percentile fixed">' + number_with_precision(membership.percentile, 1) + ' %</span>'
+  end
+
+  def tagging_power(tagging)
+    voting_power(tagging.weight)
+  end
+
+  def voting_power(voting_power)
+    '<span class="power">' + number_with_precision(voting_power, 1) + '</span>'
+  end
+
+  def score_in_words(score)
+    if score.nil?
+      Tagging::SCORES[score]
+    else
+      Tagging::SCORES[score.round]
+    end
+  end
+
+  def percentile_in_words(percentile)
+    if percentile <= 10
+      return 'just started'
+    else
+      score = ((percentile - 10) / 18.0).ceil
+      return Tagging::SCORES[score]
+    end
+  end
+
+  def display_standard_flashes
+    flashes = []
+    if flash[:error]
+      flashes << ['Error: ' + flash[:error], 'error']
+    end
+    if flash[:warning]
+      flashes << [flash[:warning], 'warning']
+    end
+    if flash[:notice]
+      flashes << [flash[:notice], 'notice']
+    end
+    if flashes.empty?
+      return
+    end
+    content = flashes.collect { |flash_arr|
+      content_tag('span', flash_arr[0], :class => "#{flash_arr[1]}")
+    }
+    if !flashes.empty?
+      content_tag('div', content.join('<br />'), :id => 'flash', :class => 'box large noticable')  
+    else
+      ''
+    end
+  end
+
+  def ajax_pagination_links(paginator, options={})
+    options[:params].delete(:page)
+    options.merge!(ActionView::Helpers::PaginationHelper::DEFAULT_OPTIONS) {|key, old, new| old}
+
+    window_pages = paginator.current.window(options[:window_size]).pages
+
+    return if window_pages.length <= 1 unless
+    options[:link_to_current_page]
+
+    first, last = paginator.first, paginator.last
+
+    returning html = '' do
+      if options[:always_show_anchors] and not window_pages[0].first?
+        html << link_to_remote(first.number, :update => options[:update], :url => { options[:name] => first }.update(options[:params] ))
+        html << ' ... ' if window_pages[0].number - first.number > 1
+        html << ' '
+      end
+
+      window_pages.each do |page|
+        if paginator.current == page && !options[:link_to_current_page]
+          html << page.number.to_s
+        else
+          html << link_to_remote(page.number, :update => options[:update], :url => { options[:name] => page }.update(options[:params] ))
+        end
+        html << ' '
+      end
+
+      if options[:always_show_anchors] && !window_pages.last.last?
+        html << ' ... ' if last.number - window_pages[-1].number > 1
+        html << link_to_remote(paginator.last.number, :update => options[:update], :url => { options[:name] => last }.update( options[:params]))
+      end
+    end
+  end
+end

Added: projects/ogog/app/helpers/feed_helper.rb
===================================================================
--- projects/ogog/app/helpers/feed_helper.rb	                        (rev 0)
+++ projects/ogog/app/helpers/feed_helper.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,2 @@
+module FeedHelper
+end

Added: projects/ogog/app/helpers/post_helper.rb
===================================================================
--- projects/ogog/app/helpers/post_helper.rb	                        (rev 0)
+++ projects/ogog/app/helpers/post_helper.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,40 @@
+module PostHelper
+  def context_url_bar_link(options)
+    link = Context.current.link
+    link_url = '<ul>'
+    (0...(link.size(options[:direction]))).each { |i|
+      link_url += '<li>' + link_to(link.tags(options[:direction])[i],
+          {:action => 'index', :link_string => link.to_s(
+              :direction => options[:direction], :step => i)}) +
+          '</li><li><span class="slash_separator">/</span></li>'
+    }
+    link_url.slice!(-47..-1) # slice off separator-span again
+    return link_url + '</ul>'
+  end
+
+  def tag_cloud(tags, classes)
+    max, min = 0, 0
+    tags.each { |tag|
+      count = tag.count.to_i
+      max = count if count > max
+      min = count if count < min
+    }
+
+    divisor = ((max - min) / classes.size) + 1
+  
+    tags.each { |tag|
+      yield tag, classes[(tag.count.to_i - min) / divisor]
+    }
+  end
+
+  def link_to_cloud_tag(tag, css_class)
+    context = Context.current
+    link = '<span class="cloud ' + css_class + '">' + link_to(truncate(tag.to_s, 20), index_url({:link_string => tag.to_s})) + '&nbsp;'
+    if tag != Tag.overall && !context.link.requested_tags.include?(tag)
+      link << link_to('/+', index_url({:link_string => context.link.to_s + '/' + tag.to_s}))
+    else
+      link << '/~'
+    end
+    return link + '</span>'
+  end
+end

Added: projects/ogog/app/helpers/user_helper.rb
===================================================================
--- projects/ogog/app/helpers/user_helper.rb	                        (rev 0)
+++ projects/ogog/app/helpers/user_helper.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,2 @@
+module UserHelper
+end

Added: projects/ogog/app/models/context.rb
===================================================================
--- projects/ogog/app/models/context.rb	                        (rev 0)
+++ projects/ogog/app/models/context.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,53 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+#
+# Used to store the user location...
+
+class Context
+  ### Relationships
+
+  cattr_accessor :current
+  attr_accessor :link, :tag
+
+  ### Constructors
+
+  # Creates a new context and sets it as the current Context.
+  #
+  def initialize(link_or_tag)
+    if link_or_tag.kind_of?(Link)
+      self.link = link_or_tag
+    else
+      self.tag = link_or_tag
+    end
+  end
+
+  # Makes sure that the given context/tag-string will be set with the
+  # default tag if empty.
+  #
+  def self.assert_tag(string)
+    if string.nil? or string.size == 0
+      return OgOg::Config::OVERALL_TAG_STRING
+    else
+      return string
+    end
+  end
+
+  ### Methods
+
+  # Resolves the link and sets the tag.
+  #
+  def resolve
+    self.link.resolve
+    self.tag = self.link.received_tags.last
+  end
+end

Added: projects/ogog/app/models/feed.rb
===================================================================
--- projects/ogog/app/models/feed.rb	                        (rev 0)
+++ projects/ogog/app/models/feed.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,140 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+#
+# Feeds are sources of posts through RSS...
+
+class Feed < ActiveRecord::Base
+  ### Relationships
+
+  belongs_to :user
+  has_many :posts
+
+  ### Constants
+
+  GOOD = 0
+  NO_TITLE = 1
+  NO_SITE_URL = 2
+  INCOMPLETE_POSTS = 3
+  FUTURE_DATE = 4
+  NOT_PARSABLE = 5
+  NO_PUBLISH_DATE = 6
+
+  ### Validations
+
+  validates_presence_of :url
+  validates_uniqueness_of :url
+
+  ### Functions
+
+  # Extracts tags or categories
+  #
+  def self.get_item_tags(new_item)
+    if new_item.tags.empty?
+      return new_item.categories.collect {|c| c.term}
+    else
+      return new_item.tags
+    end
+  end
+
+  ### Methods
+
+  # Returns true if the status is anything but GOOD
+  #
+  def bad?
+    return self.status != GOOD
+  end
+
+  # Checks the feed for new entries and harvests them into new posts.
+  #
+  def harvest
+    if !self.bad?
+      begin
+        f = FeedTools::Feed.open(self.url)
+      rescue
+        self.status = NOT_PARSABLE
+      end
+      if self.title != f.title
+        self.title = f.title
+      end
+      if self.site_url != f.link
+        self.site_url = f.link
+      end
+      if self.title.nil?
+        self.status = NO_TITLE
+      end
+      if self.site_url.nil?
+        self.status = NO_SITE_URL
+      end
+      if !self.bad? and f.items.detect {|i| i.published.nil?}
+        self.status = NO_PUBLISH_DATE
+      end
+      if !self.bad?
+        f.items.select {|i| !self.harvested_publication_time or 
+            i.published > self.harvested_publication_time}.sort_by {|i| i.published}.each do |new_item|
+          if !self.bad?
+            p = Post.new(:feed => self, :title => new_item.title, :body => new_item.content, 
+                :url => new_item.link, :published_at => new_item.published.utc)
+            if p.published_at > Time.now + 1.day
+              self.status = FUTURE_DATE
+            end
+            if !p.valid? 
+              self.status = INCOMPLETE_POSTS
+            end 
+          end
+          if !self.bad?
+            p.save
+            p.set_tags(Feed.get_item_tags(new_item) + self.tag_strings)
+            # At least one tag is set, guaranteed...
+            self.harvested_publication_time = p.published_at
+          end
+        end
+      end
+      self.save
+    end
+  end
+
+  # Claims the feed for the current user.
+  #
+  def claim
+    if User.current.nil?
+      raise 'You need to be logged in to claim a feed'
+    elsif !self.user.nil?
+      raise 'This feed has already been claimed'
+    else
+      html = URI.parse(self.site_url)
+      s = Scraper.define {
+        process 'img[src*="ogog.org/user/' + User.current.name + '"]', :found => true
+        process 'a[href*="ogog.org/user/' + User.current.name + '"]', :found => true
+        result :found
+      }
+      if s.scrape(html)
+        self.user = User.current
+        self.save
+      else
+        raise 'Unable to claim: no badge or link to your OgOg user-page found, check the spelling of your urls'
+      end
+    end
+  end
+
+  # Returns the most recent post in this feed
+  #
+  def last_post
+    self.posts.find(:first, :order => 'published_at DESC')
+  end
+
+  # Ad hoc, returns the tag-strings for this feed.
+  #
+  def tag_strings
+    self.tags_string.split(',')
+  end
+end

Added: projects/ogog/app/models/link.rb
===================================================================
--- projects/ogog/app/models/link.rb	                        (rev 0)
+++ projects/ogog/app/models/link.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,111 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+
+class Link
+  ### Relationships
+
+  attr_accessor :requested_tags, :received_tags
+
+  ### Constructors
+
+  # Creates a new Link with the given tags. 
+  #
+  def initialize(tags)
+    if tags.size > OgOg::Config::MAXIMUM_LINK_SIZE
+      raise 'Too many tags requested'
+    elsif tags.empty?
+      tags = [Tag.overall]
+    end
+    self.requested_tags = tags
+    self.received_tags = []
+  end
+
+  # Creates a new Link from a string.
+  #
+  def self.new_from_s(tag_string)
+    return Link.new(tag_string.split('/').collect {|s| Tag.or_new_from_s(s)})
+  end
+
+  ### Methods
+
+  # Resolves the link, calculating the received_tags.
+  #
+  def resolve
+    existing_tags = self.existing_requested_tags
+    while !Tagging.any_posts_for?(existing_tags) and existing_tags.size > 0
+      existing_tags.shift
+    end
+    if existing_tags.size == 0
+      existing_tags.push(Tag.overall)
+    end
+    self.received_tags = existing_tags  
+  end
+
+  # Returns the size of this link in the given direction.
+  #
+  def size(direction)
+    self.tags(direction).size
+  end
+
+  # Returns the tags of this link in the given direction.
+  #
+  def tags(direction = :requested)
+    if direction == :requested
+      return self.requested_tags
+    else
+      return self.received_tags
+    end
+  end
+  
+  # Returns the existing requested tags.
+  #
+  def existing_requested_tags
+    self.requested_tags.reject {|t| t.new_record?}
+  end
+
+  # Adds a tag to this link. If the maximum link size is reached the
+  # last tag is replaced by the added tag.
+  #
+  def add_tag(tag)
+    if self.requested_tags.size == OgOg::Config::MAXIMUM_LINK_SIZE
+      self.requested_tags.pop
+    end
+    self.requested_tags << tag
+  end
+
+  # Turns the link into a string.
+  #
+  # Options:
+  # * :direction => :requested: requested tags are used, :received: 
+  #   received tags are used.
+  # * :step => upto which linkpart to show.
+  #
+  def to_s(options = {})
+    options[:direction] ||= :requested
+    if options[:direction] == :requested
+      tags = self.requested_tags
+    else
+      tags = self.received_tags
+    end
+    options[:step] ||= tags.size
+    return tags[0..options[:step]].collect {|t| t.to_s}.join('/')
+  end
+
+  # Creates a new link with the same requested and received tags.
+  #
+  def dup
+    l = Link.new(self.requested_tags.dup) 
+    l.received_tags = self.received_tags.dup
+    return l
+  end
+end

Added: projects/ogog/app/models/membership.rb
===================================================================
--- projects/ogog/app/models/membership.rb	                        (rev 0)
+++ projects/ogog/app/models/membership.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,47 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+
+class Membership < ActiveRecord::Base
+  ### Relationships
+
+  belongs_to :user
+  belongs_to :tag
+
+  ### Functions
+
+  # Returns the anonymous voting power.
+  #
+  def self.anonymous_voting_power
+    return OgOg::Config::ANONYMOUS_VOTING_POWER
+  end
+
+  # Returns the account voting power.
+  #
+  def self.account_voting_power
+    return OgOg::Config::ACCOUNT_VOTING_POWER
+  end
+
+  # (Re-)calculates the percentiles for the users.
+  #
+  def self.calculate_percentiles
+    Tag.find(:all).each do |tag|
+      count = tag.memberships.count.to_f
+      counter = count
+      tag.memberships.order_by_power.each do |membership|
+        membership.percentile = (counter / count) * 100
+        membership.save
+        counter -= 1
+      end
+    end
+  end
+end

Added: projects/ogog/app/models/post.rb
===================================================================
--- projects/ogog/app/models/post.rb	                        (rev 0)
+++ projects/ogog/app/models/post.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,134 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+
+class Post < ActiveRecord::Base
+  ### Relationships
+
+  belongs_to :feed
+  has_many :taggings
+  has_many :tags, :through => :taggings
+
+  ### Validations
+
+  validates_presence_of :title, :body, :url
+
+  ### Filters
+
+  before_save :set_snippet
+
+  ### Filter Functions
+
+  # Sets the snippet to the first 245 characters of the body and makes
+  # sure that all HTML-tags will be neatly closed (a TODO).
+  #
+  def set_snippet
+    self.snippet = self.body[0..245]
+  end
+
+  ### Functions
+  
+  # Gets the tags from URI-parsed html.
+  #
+  def self.get_tags(html)
+    s = Scraper.define {
+      array :tags
+      process 'a[href][rel~=tag]', :tags => :text
+      result :tags
+    }
+    return s.scrape(html)
+  end
+
+  ### Methods
+
+  # Gets the tags for this post. If the tags-array is not empty those
+  # are used. Otherwise tries to scrape them with get_tags.
+  #
+  # Also assigns the default Overall tag.
+  #
+  def set_tags(tags)
+    if tags.empty?
+      tags = Post.get_tags(URI.parse(self.url)) || []
+    end
+    tags.each do |t|
+      self.tag(Tag.or_new_from_s(t))
+    end
+    self.tag(Tag.overall)
+  end
+
+  # Adds the given tag if it is not already there.
+  #
+  def tag(tag)
+    if !self.taggings.find_by_tag_id(tag.id)
+      self.taggings.create(:post => self, :tag => tag)
+    end
+  end
+
+  # Removes the given tag.
+  #
+  def untag(tag)
+    if self.taggings.find_by_tag_id(tag.id)
+      self.taggings.find_by_tag_id(tag.id).destroy
+    end
+  end
+
+  # Returns the score this post has for the given tag.
+  #
+  def tagging_for(tag)
+    tagging = self.taggings.find_by_tag_id(tag.id)
+    if tagging.nil?
+      raise 'This post is not tagged with the requested tag'
+    end
+    return tagging
+  end
+
+  # Returns the best tags.
+  #
+  def best_tag
+    return self.taggings.order_by_score.first.tag
+  end
+
+  # Rates this post with the given score & power for the given tag.
+  #
+  def rate(score, tag, ip_address)
+    # checks
+    if score < -2 or score > 5
+      raise 'Score out of bounds -2, 5'
+    end
+    # weight determination
+    if !User.anonymous?
+      weight = User.current.voting_power_for(tag)
+    else
+      weight = Membership.anonymous_voting_power
+    end
+    tagging = self.taggings.find_by_tag_id(tag.id)
+    # registration
+    tagging.votes.build(:user => User.current, :weight => weight, :score => score,
+        :ip_address => ip_address)
+    # calculation
+    if tagging.rated?
+      old_power_income = tagging.power_income
+      tagging.score = ((tagging.score * tagging.weight) + (score * weight)) / (tagging.weight + weight)
+      tagging.weight += weight
+    else
+      old_power_income = 0
+      tagging.score = score
+      tagging.weight = weight
+    end
+    # power distribution
+    if !self.feed.user.nil?
+      self.feed.user.update_power(old_power_income, tagging.power_income, tag)
+    end
+    # saving
+    tagging.save
+  end
+end

Added: projects/ogog/app/models/tag.rb
===================================================================
--- projects/ogog/app/models/tag.rb	                        (rev 0)
+++ projects/ogog/app/models/tag.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,98 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+#
+# Tags function as categories.
+
+class Tag < ActiveRecord::Base
+  ### Inclusions
+
+  include Comparable
+
+  ### Relationships
+
+  has_many :taggings
+  has_many :memberships
+
+  ### Functions
+
+  # Returns the OVERALL_TAG_STRING-tag.
+  #
+  def self.overall
+    Tag.or_new_from_s(OgOg::Config::OVERALL_TAG_STRING)
+  end
+
+  # Looks up the Tag for the given word_string in the db. If it's not
+  # found a new Tag is created for this word. 
+  #
+  def self.or_new_from_s(word_string)
+    # checking
+    if word_string.nil?
+      return Tag.overall
+    end
+
+    # cleaning
+    word_string.gsub!(/[^\w\s-]/,' ')
+    word_string.squeeze!(' ')
+    word_string.strip!
+    word_string = word_string.titleize.split(" ").join("_")
+
+    # checking
+    if word_string.empty? or word_string == ' '
+      word_string = OgOg::Config::OVERALL_TAG_STRING
+    end
+
+    # resolving
+    tag = Tag.find_by_word(word_string)
+    if tag
+      return tag
+    else
+      return Tag.new(:word => word_string)
+    end
+  end
+
+  # Returns Tags for display in a cloud.
+  #
+  def self.top_tags(received_tags, options = {})
+    sql = "SELECT t.*, count(*) AS count FROM tags AS t, taggings AS n"
+    counter = 0
+    received_tags.each {|t|
+      sql << ', taggings AS n' + counter.to_s
+      counter += 1
+    }
+    sql << ' WHERE '
+    counter = 0
+    received_tags.each {|t|
+      sql << 'n' + counter.to_s + '.tag_id = ' + t.id.to_s + ' AND ' \
+          << 'n.post_id = n' + counter.to_s + '.post_id AND '
+      counter += 1
+    }
+    sql << "t.id = n.tag_id GROUP BY n.tag_id "
+    sql << " ORDER BY #{options[:order]}" if options[:order] != nil
+    sql << " LIMIT #{options[:limit]}" if options[:limit] != nil
+    tags = Tag.find_by_sql(sql)
+  end
+
+  ### Methods
+
+  # Makes tags comparable.
+  # 
+  def <=>(other)
+    return self.word <=> other.word
+  end
+
+  # Turns a tag into a string
+  #
+  def to_s
+    return self.word
+  end
+end

Added: projects/ogog/app/models/tagging.rb
===================================================================
--- projects/ogog/app/models/tagging.rb	                        (rev 0)
+++ projects/ogog/app/models/tagging.rb	2007-05-20 09:51:03 UTC (rev 283)
@@ -0,0 +1,156 @@
+#--#
+# Copyright: (c) 2007 The LogiLogi Foundation <fou...@lo...>
+#
+# License:
+#   This file is part of the OgOg program. OgOg is free software. You can run/
+#   distribute/modify OgOg under the terms of the Affero General Public 
+#   License version 1 or any later version. The Affero GPL states that running 
+#   a modified version or a derivative work also requires you to make the 
+#   sourcecode of that work available to everyone that can interact with it.
+#   We chose the Affero GPL to ensure that OgOg remains open and libre 
+#   (doc/LICENSE.txt contains the full text of the legally binding license).
+#++#
+#
+# Join-class between Posts and Tags.
+#
+# Votes are associated with this class.
+
+class Tagging < ActiveRecord::Base
+  ### Relationships
+
+  belongs_to :tag
+  belongs_to :post
+  has_many :votes
+
+  ### Constants
+
+  SCORES = {
+        -2 => 'horrible',
+        -1 => 'bad',
+        nil => 'unrated',
+        0 => 'neutral',
+        1 => 'fair',
+        2 => 'ok',
+        3 => 'good',
+        4 => 'perfect',
+        5 => 'unsurpassed'
+      }
+
+  ### Filters
+
+  before_save :track_negativity
+
+  ### Filter-functions
+
+  def track_negativity
+    if self.rated? and self.score < 0
+      self.negative_as_of = Time.now
+    else
+      self.negative_as_of = nil
+    end
+  end
+
+  ### Functions
+
+  # Returns true if there exists any post for the given tags
+  #
+  def self.any_posts_for?(existing_tags)
+    return Tagging.top_posts_for(existing_tags).size > 0
+  end
+
+  # Counts the posts for the given tags + options.
+  #
+  # Valid options are:
+  # * :conditions => sql-like conditions, the posts table is called p
+  #
+  def self.count_posts_for(existing_tags, options = {})
+    if existing_tags.size > 0
+      sql = Tagging.sql_for_posts_for(
+          existing_tags, 'COUNT(p.id)', options[:conditions])
+      return ActiveRecord::Base.connection.select_value(sql).to_i
+    else
+      return 0
+    end
+  end
+
+  # Gets the top-posts for the given tags.
+  #
+  # Valid options are:
+  # * :conditions => sql-like conditions, the posts table is called p
+  # * :limit => limits the result-set to the given number
+  # * :offset => offsets the result-set by this number
+  #
+  def self.top_posts_for(existing_tags, options = {})
+    if existing_tags.size > 0
+      sql = Tagging.sql_for_posts_for(
+          existing_tags, 'DISTINCT p.*', options[:conditions])
+      sql << 'ORDER BY t' + (existing_tags.size - 1).to_s + '.score DESC '
+#      sql << 'ORDER BY IF(t' + (existing_tags.size - 1).to_s + '.score IS NULL' + 
+#          ', -0.0000001, t' + (existing_tags.size - 1).to_s + '.score) DESC '
+      if options[:limit]
+        sql << 'LIMIT ' + options[:limit].to_s + ' '
+        if options[:offset]
+          sql << 'OFFSET ' + options[:offset].to_s + ' '
+        end
+      end
+      sql.slice!(-1)
+      Post.find_by_sql(sql)
+    else
+      return []
+    end
+  end
+
+  # Inner function that prepares the shared part of the sql.
+  #
+  def self.sql_for_posts_for(existing_tags, sel...
 
[truncated message content]