1 class User < ActiveRecord::Base
6 has_many :diary_entries, :order => 'created_at DESC'
7 has_many :messages, :foreign_key => :to_user_id
8 has_many :new_messages, :class_name => "Message", :foreign_key => :to_user_id, :conditions => "message_read = 0"
10 has_many :tokens, :class_name => "UserToken"
11 has_many :preferences, :class_name => "UserPreference"
13 validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
14 validates_uniqueness_of :display_name, :allow_nil => true
15 validates_uniqueness_of :email
16 validates_length_of :pass_crypt, :minimum => 8
17 validates_length_of :display_name, :minimum => 3, :allow_nil => true
18 validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
19 validates_format_of :display_name, :with => /^[^\/;.,?]*$/
21 before_save :encrypt_password
24 self.creation_time = Time.now
28 self.pass_crypt = Digest::MD5.hexdigest(pass_crypt) unless pass_crypt_confirmation.nil?
31 def self.authenticate(options)
32 if options[:username] and options[:password]
33 user = find(:first, :conditions => ["email = ? OR display_name = ?", options[:username], options[:username]])
34 user = nil unless user.pass_crypt == Digest::MD5.hexdigest(options[:password])
36 token = UserToken.find(:first, :include => :user, :conditions => ["user_tokens.token = ?", options[:token]])
37 user = token.user if token
41 user = nil unless user.active? or options[:inactive]
44 token.update_attribute(:expiry, 1.week.from_now) if token and user
50 doc = OSM::API.new.get_xml_doc
51 doc.root << to_xml_node()
56 el1 = XML::Node.new 'user'
57 el1['display_name'] = self.display_name.to_s
58 el1['account_created'] = self.creation_time.xmlschema
62 def nearby(radius = 50)
63 if self.home_lon and self.home_lat
64 gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
65 bounds = gc.bounds(radius)
66 nearby = User.find(:all, :conditions => "home_lat between #{bounds[:minlat]} and #{bounds[:maxlat]} and home_lon between #{bounds[:minlon]} and #{bounds[:maxlon]} and data_public = 1 and id != #{self.id}")
67 nearby.delete_if { |u| gc.distance(u.home_lat, u.home_lon) > radius }
68 nearby.sort! { |u1,u2| gc.distance(u1.home_lat, u1.home_lon) <=> gc.distance(u2.home_lat, u2.home_lon) }
75 def distance(nearby_user)
76 return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
79 def is_friends_with?(new_friend)
81 @new_friend = new_friend
82 self.friends.each do |friend|
83 if friend.user_id == @new_friend.user_id