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 => false}, :order => 'sent_on DESC'
8 has_many :sent_messages, :class_name => "Message", :foreign_key => :from_user_id, :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 => 'Email addresses must match'
16 validates_confirmation_of :pass_crypt, :message => 'Password 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 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
81 def nearby(radius = 50, num = 10)
82 if self.home_lon and self.home_lat
83 gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
84 bounds = gc.bounds(radius)
85 nearby = User.find(:all, :conditions => ["visible = ? and home_lat between #{bounds[:minlat]} and #{bounds[:maxlat]} and home_lon between #{bounds[:minlon]} and #{bounds[:maxlon]} and data_public = ? and id != #{self.id}", true, true])
86 nearby.delete_if { |u| gc.distance(u.home_lat, u.home_lon) > radius }
87 nearby.sort! { |u1,u2| gc.distance(u1.home_lat, u1.home_lon) <=> gc.distance(u2.home_lat, u2.home_lon) }
91 return nearby.first(num)
94 def distance(nearby_user)
95 return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
98 def is_friends_with?(new_friend)
100 @new_friend = new_friend
101 self.friends.each do |friend|
102 if friend.friend_user_id == @new_friend.id