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_uniqueness_of :openid_url, :allow_nil => true
26 validates_length_of :pass_crypt, :within => 8..255
27 validates_length_of :display_name, :within => 3..255, :allow_nil => true
28 validates_email_format_of :email
29 validates_email_format_of :new_email, :allow_blank => true
30 validates_format_of :display_name, :with => /^[^\/;.,?]*$/
31 validates_numericality_of :home_lat, :allow_nil => true
32 validates_numericality_of :home_lon, :allow_nil => true
33 validates_numericality_of :home_zoom, :only_integer => true, :allow_nil => true
35 before_save :encrypt_password
37 file_column :image, :magick => { :geometry => "100x100>" }
40 self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
44 if pass_crypt_confirmation
45 self.pass_salt = OSM::make_token(8)
46 self.pass_crypt = OSM::encrypt_password(pass_crypt, pass_salt)
50 def self.authenticate(options)
51 if options[:username] and options[:password]
52 user = find(:first, :conditions => ["email = ? OR display_name = ?", options[:username], options[:username]])
53 user = nil if user and user.pass_crypt != OSM::encrypt_password(options[:password], user.pass_salt)
55 token = UserToken.find(:first, :include => :user, :conditions => ["user_tokens.token = ?", options[:token]])
56 user = token.user if token
60 user = nil unless user.visible? and (user.active? or options[:inactive])
63 token.update_attribute(:expiry, 1.week.from_now) if token and user
69 doc = OSM::API.new.get_xml_doc
70 doc.root << to_xml_node()
75 el1 = XML::Node.new 'user'
76 el1['display_name'] = self.display_name.to_s
77 el1['account_created'] = self.creation_time.xmlschema
78 if self.home_lat and self.home_lon
79 home = XML::Node.new 'home'
80 home['lat'] = self.home_lat.to_s
81 home['lon'] = self.home_lon.to_s
82 home['zoom'] = self.home_zoom.to_s
89 attribute_present?(:languages) ? read_attribute(:languages).split(/ *, */) : []
92 def languages=(languages)
93 write_attribute(:languages, languages.join(","))
96 def preferred_language
97 languages.find { |l| Language.find(:first, :conditions => { :code => l }) }
100 def preferred_language_from(array)
101 (languages & array.collect { |i| i.to_s }).first
104 def nearby(radius = 50, num = 10)
105 if self.home_lon and self.home_lat
106 gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
107 bounds = gc.bounds(radius)
108 sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
109 nearby = User.find(:all,
110 :conditions => ["id != ? AND visible = ? AND data_public = ? AND #{sql_for_distance} <= ?", id, true, true, radius], :order => sql_for_distance, :limit => num)
117 def distance(nearby_user)
118 return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
121 def is_friends_with?(new_friend)
123 @new_friend = new_friend
124 self.friends.each do |friend|
125 if friend.friend_user_id == @new_friend.id
133 # returns true if the user has the moderator role, false otherwise
135 has_role? 'moderator'
139 # returns true if the user has the administrator role, false otherwise
141 has_role? 'administrator'
145 # returns true if the user has the requested role
147 roles.any? { |r| r.role == role }
151 # returns the first active block which would require users to view
152 # a message, or nil if there are none.
154 active_blocks.detect { |b| b.needs_view? }
159 self.display_name = "user_#{self.id}"
160 self.description = ""
164 self.email_valid = false