1 class User < ActiveRecord::Base
5 has_many :diary_entries, :order => 'created_at DESC'
6 has_many :messages, :foreign_key => :to_user_id, :order => 'sent_on DESC'
7 has_many :new_messages, :class_name => "Message", :foreign_key => :to_user_id, :conditions => "message_read = 0", :order => 'sent_on DESC'
9 has_many :tokens, :class_name => "UserToken"
10 has_many :preferences, :class_name => "UserPreference"
12 validates_presence_of :email, :display_name
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,})$/i
19 validates_format_of :display_name, :with => /^[^\/;.,?]*$/
20 validates_numericality_of :home_lat, :allow_nil => true
21 validates_numericality_of :home_lon, :allow_nil => true
22 validates_numericality_of :home_zoom, :only_integer => true, :allow_nil => true
24 before_save :encrypt_password
27 self.creation_time = Time.now if self.creation_time.nil?
31 if pass_crypt_confirmation
32 self.pass_salt = OSM::make_token(8)
33 self.pass_crypt = OSM::encrypt_password(pass_crypt, pass_salt)
37 def self.authenticate(options)
38 if options[:username] and options[:password]
39 user = find(:first, :conditions => ["email = ? OR display_name = ?", options[:username], options[:username]])
40 user = nil if user and user.pass_crypt != OSM::encrypt_password(options[:password], user.pass_salt)
42 token = UserToken.find(:first, :include => :user, :conditions => ["user_tokens.token = ?", options[:token]])
43 user = token.user if token
47 user = nil unless user.active? or options[:inactive]
50 token.update_attribute(:expiry, 1.week.from_now) if token and user
56 doc = OSM::API.new.get_xml_doc
57 doc.root << to_xml_node()
62 el1 = XML::Node.new 'user'
63 el1['display_name'] = self.display_name.to_s
64 el1['account_created'] = self.creation_time.xmlschema
65 if self.home_lat and self.home_lon
66 home = XML::Node.new 'home'
67 home['lat'] = self.home_lat.to_s
68 home['lon'] = self.home_lon.to_s
69 home['zoom'] = self.home_zoom.to_s
75 def nearby(radius = 50, num = 5)
76 if self.home_lon and self.home_lat
77 gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
78 bounds = gc.bounds(radius)
79 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}")
80 nearby.delete_if { |u| gc.distance(u.home_lat, u.home_lon) > radius }
81 nearby.sort! { |u1,u2| gc.distance(u1.home_lat, u1.home_lon) <=> gc.distance(u2.home_lat, u2.home_lon) }
85 return nearby.first(num)
88 def distance(nearby_user)
89 return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
92 def is_friends_with?(new_friend)
94 @new_friend = new_friend
95 self.friends.each do |friend|
96 if friend.friend_user_id == @new_friend.id