1 class User < ActiveRecord::Base
4 has_many :traces, :conditions => { :visible => true }
5 has_many :diary_entries, :order => 'created_at DESC'
6 has_many :diary_comments, :order => 'created_at DESC'
7 has_many :messages, :foreign_key => :to_user_id, :conditions => { :to_user_visible => true }, :order => 'sent_on DESC'
8 has_many :new_messages, :class_name => "Message", :foreign_key => :to_user_id, :conditions => { :to_user_visible => true, :message_read => false }, :order => 'sent_on DESC'
9 has_many :sent_messages, :class_name => "Message", :foreign_key => :from_user_id, :conditions => { :from_user_visible => true }, :order => 'sent_on DESC'
10 has_many :friends, :include => :befriendee, :conditions => "users.status IN ('active', 'confirmed')"
11 has_many :friend_users, :through => :friends, :source => :befriendee
12 has_many :tokens, :class_name => "UserToken"
13 has_many :preferences, :class_name => "UserPreference"
14 has_many :changesets, :order => 'created_at DESC'
16 has_many :client_applications
17 has_many :oauth_tokens, :class_name => "OauthToken", :order => "authorized_at desc", :include => [:client_application]
19 has_many :active_blocks, :class_name => "UserBlock", :conditions => proc { [ "user_blocks.ends_at > :ends_at or user_blocks.needs_view", { :ends_at => Time.now.getutc } ] }
20 has_many :roles, :class_name => "UserRole"
22 scope :visible, where(:status => ["pending", "active", "confirmed"])
23 scope :active, where(:status => ["active", "confirmed"])
24 scope :public, where(:data_public => true)
26 validates_presence_of :email, :display_name
27 validates_confirmation_of :email#, :message => ' addresses must match'
28 validates_confirmation_of :pass_crypt#, :message => ' must match the confirmation password'
29 validates_uniqueness_of :display_name, :allow_nil => true, :case_sensitive => false, :if => Proc.new { |u| u.display_name_changed? }
30 validates_uniqueness_of :email, :case_sensitive => false, :if => Proc.new { |u| u.email_changed? }
31 validates_uniqueness_of :openid_url, :allow_nil => true
32 validates_length_of :pass_crypt, :within => 8..255
33 validates_length_of :display_name, :within => 3..255, :allow_nil => true
34 validates_email_format_of :email, :if => Proc.new { |u| u.email_changed? }
35 validates_email_format_of :new_email, :allow_blank => true, :if => Proc.new { |u| u.new_email_changed? }
36 validates_format_of :display_name, :with => /^[^\/;.,?]*$/, :if => Proc.new { |u| u.display_name_changed? }
37 validates_format_of :display_name, :with => /^\S/, :message => "has leading whitespace", :if => Proc.new { |u| u.display_name_changed? }
38 validates_format_of :display_name, :with => /\S$/, :message => "has trailing whitespace", :if => Proc.new { |u| u.display_name_changed? }
39 validates_numericality_of :home_lat, :allow_nil => true
40 validates_numericality_of :home_lon, :allow_nil => true
41 validates_numericality_of :home_zoom, :only_integer => true, :allow_nil => true
42 validates_inclusion_of :preferred_editor, :in => Editors::ALL_EDITORS, :allow_nil => true
44 after_initialize :set_creation_time
45 before_save :encrypt_password
47 has_attached_file :image,
48 :default_url => "/assets/:class/:attachment/:style.png",
49 :styles => { :large => "100x100>", :small => "50x50>" }
51 def self.authenticate(options)
52 if options[:username] and options[:password]
53 user = where("email = ? OR display_name = ?", options[:username], options[:username]).first
56 users = where("LOWER(email) = LOWER(?) OR LOWER(display_name) = LOWER(?)", options[:username], options[:username])
63 user = nil if user and user.pass_crypt != OSM::encrypt_password(options[:password], user.pass_salt)
65 token = UserToken.find_by_token(options[:token])
66 user = token.user if token
70 ( user.status == "deleted" or
71 ( user.status == "pending" and not options[:pending] ) or
72 ( user.status == "suspended" and not options[:suspended] ) )
76 token.update_attribute(:expiry, 1.week.from_now) if token and user
82 doc = OSM::API.new.get_xml_doc
83 doc.root << to_xml_node()
88 el1 = XML::Node.new 'user'
89 el1['display_name'] = self.display_name.to_s
90 el1['account_created'] = self.creation_time.xmlschema
91 if self.home_lat and self.home_lon
92 home = XML::Node.new 'home'
93 home['lat'] = self.home_lat.to_s
94 home['lon'] = self.home_lon.to_s
95 home['zoom'] = self.home_zoom.to_s
102 attribute_present?(:languages) ? read_attribute(:languages).split(/ *, */) : []
105 def languages=(languages)
106 write_attribute(:languages, languages.join(","))
109 def preferred_language
110 languages.find { |l| Language.exists?(:code => l) }
113 def preferred_language_from(array)
114 (languages & array.collect { |i| i.to_s }).first
117 def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
118 if self.home_lon and self.home_lat
119 gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
120 bounds = gc.bounds(radius)
121 sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
122 nearby = User.where("id != ? AND status IN (\'active\', \'confirmed\') AND data_public = ? AND #{sql_for_distance} <= ?", id, true, radius).order(sql_for_distance).limit(num)
129 def distance(nearby_user)
130 return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
133 def is_friends_with?(new_friend)
135 @new_friend = new_friend
136 self.friends.each do |friend|
137 if friend.friend_user_id == @new_friend.id
145 # returns true if a user is visible
147 ["pending","active","confirmed"].include? self.status
151 # returns true if a user is active
153 ["active","confirmed"].include? self.status
157 # returns true if the user has the moderator role, false otherwise
159 has_role? 'moderator'
163 # returns true if the user has the administrator role, false otherwise
165 has_role? 'administrator'
169 # returns true if the user has the requested role
171 roles.any? { |r| r.role == role }
175 # returns the first active block which would require users to view
176 # a message, or nil if there are none.
178 active_blocks.detect { |b| b.needs_view? }
182 # delete a user - leave the account but purge most personal data
184 self.display_name = "user_#{self.id}"
185 self.description = ""
189 self.email_valid = false
191 self.status = "deleted"
196 # return a spam score for a user
198 changeset_score = self.changesets.limit(10).length * 50
199 trace_score = self.traces.limit(10).length * 50
200 diary_entry_score = self.diary_entries.inject(0) { |s,e| s += OSM.spam_score(e.body) }
201 diary_comment_score = self.diary_comments.inject(0) { |s,e| s += OSM.spam_score(e.body) }
203 score = OSM.spam_score(self.description)
204 score += diary_entry_score / self.diary_entries.length if self.diary_entries.length > 0
205 score += diary_comment_score / self.diary_comments.length if self.diary_comments.length > 0
206 score -= changeset_score
213 # return an oauth access token for a specified application
214 def access_token(application_key)
215 return ClientApplication.find_by_key(application_key).access_token_for_user(self)
220 def set_creation_time
221 self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
225 if pass_crypt_confirmation
226 self.pass_salt = OSM::make_token(8)
227 self.pass_crypt = OSM::encrypt_password(pass_crypt, pass_salt)