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 has_many :client_applications
15 has_many :oauth_tokens, :class_name => "OauthToken", :order => "authorized_at desc", :include => [:client_application]
17 has_many :active_blocks, :class_name => "UserBlock", :conditions => ['user_blocks.ends_at > \'#{Time.now.getutc.xmlschema(5)}\' or user_blocks.needs_view']
18 has_many :roles, :class_name => "UserRole"
20 validates_presence_of :email, :display_name
21 validates_confirmation_of :email#, :message => ' addresses must match'
22 validates_confirmation_of :pass_crypt#, :message => ' must match the confirmation password'
23 validates_uniqueness_of :display_name, :allow_nil => true
24 validates_uniqueness_of :email
25 validates_length_of :pass_crypt, :within => 8..255
26 validates_length_of :display_name, :within => 3..255, :allow_nil => true
27 validates_length_of :email, :within => 6..255
28 validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
29 validates_format_of :display_name, :with => /^[^\/;.,?]*$/
30 validates_numericality_of :home_lat, :allow_nil => true
31 validates_numericality_of :home_lon, :allow_nil => true
32 validates_numericality_of :home_zoom, :only_integer => true, :allow_nil => true
34 before_save :encrypt_password
36 file_column :image, :magick => { :geometry => "100x100>" }
39 self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
43 if pass_crypt_confirmation
44 self.pass_salt = OSM::make_token(8)
45 self.pass_crypt = OSM::encrypt_password(pass_crypt, pass_salt)
49 def self.authenticate(options)
50 if options[:username] and options[:password]
51 user = find(:first, :conditions => ["email = ? OR display_name = ?", options[:username], options[:username]])
52 user = nil if user and user.pass_crypt != OSM::encrypt_password(options[:password], user.pass_salt)
54 token = UserToken.find(:first, :include => :user, :conditions => ["user_tokens.token = ?", options[:token]])
55 user = token.user if token
59 user = nil unless user.visible? and (user.active? or options[:inactive])
62 token.update_attribute(:expiry, 1.week.from_now) if token and user
68 doc = OSM::API.new.get_xml_doc
69 doc.root << to_xml_node()
74 el1 = XML::Node.new 'user'
75 el1['display_name'] = self.display_name.to_s
76 el1['account_created'] = self.creation_time.xmlschema
77 if self.home_lat and self.home_lon
78 home = XML::Node.new 'home'
79 home['lat'] = self.home_lat.to_s
80 home['lon'] = self.home_lon.to_s
81 home['zoom'] = self.home_zoom.to_s
88 attribute_present?(:languages) ? read_attribute(:languages).split(",") : []
91 def languages=(languages)
92 write_attribute(:languages, languages.join(","))
95 def preferred_language
96 languages.find { |l| Language.find(:first, :conditions => { :code => l }) }
99 def preferred_language_from(array)
100 (languages & array.collect { |i| i.to_s }).first
103 def nearby(radius = 50, num = 10)
104 if self.home_lon and self.home_lat
105 gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
106 bounds = gc.bounds(radius)
107 sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
108 nearby = User.find(:all,
109 :conditions => ["id != ? AND visible = ? AND data_public = ? AND #{sql_for_distance} <= ?", id, true, true, radius], :order => sql_for_distance, :limit => num)
116 def distance(nearby_user)
117 return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
120 def is_friends_with?(new_friend)
122 @new_friend = new_friend
123 self.friends.each do |friend|
124 if friend.friend_user_id == @new_friend.id
132 # returns true if the user has the moderator role, false otherwise
134 has_role? 'moderator'
138 # returns true if the user has the moderator role, false otherwise
140 has_role? 'administrator'
144 # returns true if the user has the requested role
146 roles.inject(false) { |x, r| x or r.role == role }
150 # returns the first active block which would require users to view
151 # a message, or nil if there are none.
153 active_blocks.inject(nil) { |s,x| s || (x.needs_view? ? x : nil) }
158 self.display_name = "user_#{self.id}"
159 self.description = ""
163 self.email_valid = false