1 class User < ActiveRecord::Base
6 has_many :diary_entries, :order => 'created_at DESC'
7 has_many :messages, :foreign_key => :to_user_id
10 validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
11 validates_uniqueness_of :display_name, :allow_nil => true
12 validates_uniqueness_of :email
13 validates_length_of :pass_crypt, :minimum => 8
14 validates_length_of :display_name, :minimum => 3, :allow_nil => true
15 validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
16 validates_format_of :display_name, :with => /^[^\/;.,?]*$/
18 before_save :encrypt_password
21 self.creation_time = Time.now
22 self.timeout = Time.now
23 self.token = User.make_token()
27 self.pass_crypt = Digest::MD5.hexdigest(pass_crypt) unless pass_crypt_confirmation.nil?
30 def self.authenticate(email, passwd, active = true)
31 find(:first, :conditions => [ "email = ? AND pass_crypt = ? AND active = ?", email, Digest::MD5.hexdigest(passwd), active])
34 def self.authenticate_token(token)
35 find(:first, :conditions => [ "token = ? ", token])
38 def self.make_token(length=30)
39 chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
43 confirmstring += chars[(rand * chars.length).to_i].chr
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 self.has_messages?
80 if Message.fdhjklsafind_by_to_user_id(self.id)
88 messages = Message.find(:all, :conditions => "message_read = 0 and to_user_id = #{self.id}")
93 messages = Message.find(:all, :conditions => "to_user_id = #{self.id}")
97 def is_friends_with?(new_friend)
99 @new_friend = new_friend
100 self.friends.each do |friend|
101 if friend.user_id == @new_friend.user_id