Merge branch 'master' into openid

Conflicts:
	app/controllers/user_controller.rb
	app/views/user/login.html.erb
	public/stylesheets/common.css

app/models/client_application.rb

@@ -2,6 +2,7 @@ require 'oauth'
 class ClientApplication < ActiveRecord::Base
   belongs_to :user
   has_many :tokens, :class_name => "OauthToken"
+  has_many :access_tokens
   validates_presence_of :name, :url, :key, :secret
   validates_uniqueness_of :key
   before_validation_on_create :generate_keys
@@ -53,6 +54,20 @@ class ClientApplication < ActiveRecord::Base
     RequestToken.create :client_application => self, :callback_url => self.token_callback_url
   end
 
+  def access_token_for_user(user)
+    unless token = access_tokens.find(:first, :conditions => { :user_id => user.id, :invalidated_at => nil })
+      params = { :user => user }
+
+      permissions.each do |p|
+        params[p] = true
+      end
+
+      token = access_tokens.create(params)
+    end
+    
+    token
+  end
+
   # the permissions that this client would like from the user
   def permissions
     ClientApplication.all_permissions.select { |p| self[p] }

app/models/user.rb

@@ -10,7 +10,7 @@ class User < ActiveRecord::Base
   has_many :friends, :include => :befriendee, :conditions => "users.status IN ('active', 'confirmed')"
   has_many :tokens, :class_name => "UserToken"
   has_many :preferences, :class_name => "UserPreference"
-  has_many :changesets
+  has_many :changesets, :order => 'created_at DESC'
 
   has_many :client_applications
   has_many :oauth_tokens, :class_name => "OauthToken", :order => "authorized_at desc", :include => [:client_application]
@@ -34,6 +34,7 @@ class User < ActiveRecord::Base
   validates_numericality_of :home_lat, :allow_nil => true
   validates_numericality_of :home_lon, :allow_nil => true
   validates_numericality_of :home_zoom, :only_integer => true, :allow_nil => true
+  validates_inclusion_of :preferred_editor, :in => Editors::ALL_EDITORS, :allow_nil => true
 
   before_save :encrypt_password
 
@@ -107,7 +108,7 @@ class User < ActiveRecord::Base
     (languages & array.collect { |i| i.to_s }).first
   end
 
-  def nearby(radius = 50, num = 10)
+  def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
     if self.home_lon and self.home_lat 
       gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
       bounds = gc.bounds(radius)
@@ -203,4 +204,10 @@ class User < ActiveRecord::Base
 
     return score.to_i
   end
+
+  ##
+  # return an oauth access token for a specified application
+  def access_token(application_key)
+    return ClientApplication.find_by_key(application_key).access_token_for_user(self)
+  end
 end