1 class User < ActiveRecord::Base
4 has_many :traces, :conditions => { :visible => true }
5 has_many :diary_entries, :order => 'created_at DESC'
6 has_many :messages, :foreign_key => :to_user_id, :conditions => { :to_user_visible => true }, :order => 'sent_on DESC'
7 has_many :new_messages, :class_name => "Message", :foreign_key => :to_user_id, :conditions => { :to_user_visible => true, :message_read => false }, :order => 'sent_on DESC'
8 has_many :sent_messages, :class_name => "Message", :foreign_key => :from_user_id, :conditions => { :from_user_visible => true }, :order => 'sent_on DESC'
9 has_many :friends, :include => :befriendee, :conditions => ["users.visible = ?", true]
10 has_many :tokens, :class_name => "UserToken"
11 has_many :preferences, :class_name => "UserPreference"
14 validates_presence_of :email, :display_name
15 validates_confirmation_of :email#, :message => ' addresses must match'
16 validates_confirmation_of :pass_crypt#, :message => ' must match the confirmation password'
17 validates_uniqueness_of :display_name, :allow_nil => true
18 validates_uniqueness_of :email
19 validates_length_of :pass_crypt, :within => 8..255
20 validates_length_of :display_name, :within => 3..255, :allow_nil => true
21 validates_length_of :email, :within => 6..255
22 validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
23 validates_format_of :display_name, :with => /^[^\/;.,?]*$/
24 validates_numericality_of :home_lat, :allow_nil => true
25 validates_numericality_of :home_lon, :allow_nil => true
26 validates_numericality_of :home_zoom, :only_integer => true, :allow_nil => true
28 before_save :encrypt_password
30 file_column :image, :magick => { :geometry => "100x100>" }
33 self.creation_time = Time.now.getutc if self.creation_time.nil?
37 if pass_crypt_confirmation
38 self.pass_salt = OSM::make_token(8)
39 self.pass_crypt = OSM::encrypt_password(pass_crypt, pass_salt)
43 def self.authenticate(options)
44 if options[:username] and options[:password]
45 user = find(:first, :conditions => ["email = ? OR display_name = ?", options[:username], options[:username]])
46 user = nil if user and user.pass_crypt != OSM::encrypt_password(options[:password], user.pass_salt)
48 token = UserToken.find(:first, :include => :user, :conditions => ["user_tokens.token = ?", options[:token]])
49 user = token.user if token
53 user = nil unless user.visible? and (user.active? or options[:inactive])
56 token.update_attribute(:expiry, 1.week.from_now) if token and user
62 doc = OSM::API.new.get_xml_doc
63 doc.root << to_xml_node()
68 el1 = XML::Node.new 'user'
69 el1['display_name'] = self.display_name.to_s
70 el1['account_created'] = self.creation_time.xmlschema
71 if self.home_lat and self.home_lon
72 home = XML::Node.new 'home'
73 home['lat'] = self.home_lat.to_s
74 home['lon'] = self.home_lon.to_s
75 home['zoom'] = self.home_zoom.to_s
82 attribute_present?(:languages) ? read_attribute(:languages).split(",") : []
85 def languages=(languages)
86 write_attribute(:languages, languages.join(","))
89 def preferred_language
90 languages.find { |l| Language.find(:first, :conditions => { :code => l }) }
93 def preferred_language_from(array)
94 (languages & array.collect { |i| i.to_s }).first
97 def nearby(radius = 50, num = 10)
98 if self.home_lon and self.home_lat
99 gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
100 bounds = gc.bounds(radius)
101 sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
102 nearby = User.find(:all,
103 :conditions => ["id != ? AND visible = ? AND data_public = ? AND #{sql_for_distance} <= ?", id, true, true, radius], :order => sql_for_distance, :limit => num)
110 def distance(nearby_user)
111 return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
114 def is_friends_with?(new_friend)
116 @new_friend = new_friend
117 self.friends.each do |friend|
118 if friend.friend_user_id == @new_friend.id
127 self.display_name = "user_#{self.id}"
128 self.description = ""
132 self.email_valid = false