1 class User < ActiveRecord::Base
4 has_many :traces, -> { where(:visible => true) }
5 has_many :diary_entries, -> { order(:created_at => :desc) }
6 has_many :diary_comments, -> { order(:created_at => :desc) }
7 has_many :messages, -> { where(:to_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :foreign_key => :to_user_id
8 has_many :new_messages, -> { where(:to_user_visible => true, :message_read => false).order(:sent_on => :desc) }, :class_name => "Message", :foreign_key => :to_user_id
9 has_many :sent_messages, -> { where(:from_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :class_name => "Message", :foreign_key => :from_user_id
10 has_many :friends, -> { joins(:befriendee).where(:users => { :status => ["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) }
15 has_many :changeset_comments, :foreign_key => 'author_id'
16 has_and_belongs_to_many :changeset_subscriptions, :class_name => 'Changeset', :join_table => 'changesets_subscribers', :foreign_key => 'subscriber_id'
17 has_many :note_comments, :foreign_key => :author_id
18 has_many :notes, :through => :note_comments
20 has_many :client_applications
21 has_many :oauth_tokens, -> { order(:authorized_at => :desc).preload(:client_application) }, :class_name => "OauthToken"
23 has_many :blocks, :class_name => "UserBlock"
24 has_many :blocks_created, :class_name => "UserBlock", :foreign_key => :creator_id
25 has_many :blocks_revoked, :class_name => "UserBlock", :foreign_key => :revoker_id
27 has_many :roles, :class_name => "UserRole"
29 scope :visible, -> { where(:status => ["pending", "active", "confirmed"]) }
30 scope :active, -> { where(:status => ["active", "confirmed"]) }
31 scope :identifiable, -> { where(:data_public => true) }
33 has_attached_file :image,
34 :default_url => "/assets/:class/:attachment/:style.png",
35 :styles => { :large => "100x100>", :small => "50x50>" }
37 validates_presence_of :email, :display_name
38 validates_confirmation_of :email#, :message => ' addresses must match'
39 validates_confirmation_of :pass_crypt#, :message => ' must match the confirmation password'
40 validates_uniqueness_of :display_name, :allow_nil => true, :case_sensitive => false, :if => Proc.new { |u| u.display_name_changed? }
41 validates_uniqueness_of :email, :case_sensitive => false, :if => Proc.new { |u| u.email_changed? }
42 validates_uniqueness_of :openid_url, :allow_nil => true
43 validates_length_of :pass_crypt, :within => 8..255
44 validates_length_of :display_name, :within => 3..255, :allow_nil => true
45 validates_email_format_of :email, :if => Proc.new { |u| u.email_changed? }
46 validates_email_format_of :new_email, :allow_blank => true, :if => Proc.new { |u| u.new_email_changed? }
47 validates_format_of :display_name, :with => /\A[^\x00-\x1f\x7f\ufffe\uffff\/;.,?%#]*\z/, :if => Proc.new { |u| u.display_name_changed? }
48 validates_format_of :display_name, :with => /\A\S/, :message => "has leading whitespace", :if => Proc.new { |u| u.display_name_changed? }
49 validates_format_of :display_name, :with => /\S\z/, :message => "has trailing whitespace", :if => Proc.new { |u| u.display_name_changed? }
50 validates_exclusion_of :display_name, :in => %w(new terms save confirm confirm-email go_public reset-password forgot-password suspended)
51 validates_numericality_of :home_lat, :allow_nil => true
52 validates_numericality_of :home_lon, :allow_nil => true
53 validates_numericality_of :home_zoom, :only_integer => true, :allow_nil => true
54 validates_inclusion_of :preferred_editor, :in => Editors::ALL_EDITORS, :allow_nil => true
55 validates_attachment_content_type :image, :content_type => /\Aimage\/.*\Z/
57 after_initialize :set_defaults
58 before_save :encrypt_password
59 after_save :spam_check
61 def self.authenticate(options)
62 if options[:username] and options[:password]
63 user = where("email = ? OR display_name = ?", options[:username], options[:username]).first
66 users = where("LOWER(email) = LOWER(?) OR LOWER(display_name) = LOWER(?)", options[:username], options[:username])
73 if user and PasswordHash.check(user.pass_crypt, user.pass_salt, options[:password])
74 if PasswordHash.upgrade?(user.pass_crypt, user.pass_salt)
75 user.pass_crypt, user.pass_salt = PasswordHash.create(options[:password])
82 token = UserToken.find_by_token(options[:token])
83 user = token.user if token
87 ( user.status == "deleted" or
88 ( user.status == "pending" and not options[:pending] ) or
89 ( user.status == "suspended" and not options[:suspended] ) )
93 token.update_column(:expiry, 1.week.from_now) if token and user
99 doc = OSM::API.new.get_xml_doc
100 doc.root << to_xml_node()
105 el1 = XML::Node.new 'user'
106 el1['display_name'] = self.display_name.to_s
107 el1['account_created'] = self.creation_time.xmlschema
108 if self.home_lat and self.home_lon
109 home = XML::Node.new 'home'
110 home['lat'] = self.home_lat.to_s
111 home['lon'] = self.home_lon.to_s
112 home['zoom'] = self.home_zoom.to_s
119 RichText.new(read_attribute(:description_format), read_attribute(:description))
123 attribute_present?(:languages) ? read_attribute(:languages).split(/ *, */) : []
126 def languages=(languages)
127 write_attribute(:languages, languages.join(","))
130 def preferred_language
131 languages.find { |l| Language.exists?(:code => l) }
134 def preferred_language_from(array)
135 (languages & array.collect { |i| i.to_s }).first
138 def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
139 if self.home_lon and self.home_lat
140 gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
141 bounds = gc.bounds(radius)
142 sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
143 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)
150 def distance(nearby_user)
151 return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
154 def is_friends_with?(new_friend)
155 self.friends.where(:friend_user_id => new_friend.id).exists?
159 # returns true if a user is visible
161 ["pending","active","confirmed"].include? self.status
165 # returns true if a user is active
167 ["active","confirmed"].include? self.status
171 # returns true if the user has the moderator role, false otherwise
173 has_role? 'moderator'
177 # returns true if the user has the administrator role, false otherwise
179 has_role? 'administrator'
183 # returns true if the user has the requested role
185 roles.any? { |r| r.role == role }
189 # returns the first active block which would require users to view
190 # a message, or nil if there are none.
192 blocks.active.detect { |b| b.needs_view? }
196 # delete a user - leave the account but purge most personal data
198 self.display_name = "user_#{self.id}"
199 self.description = ""
203 self.email_valid = false
205 self.openid_url = nil
206 self.status = "deleted"
211 # return a spam score for a user
213 changeset_score = self.changesets.size * 50
214 trace_score = self.traces.size * 50
215 diary_entry_score = self.diary_entries.inject(0) { |s,e| s += e.body.spam_score }
216 diary_comment_score = self.diary_comments.inject(0) { |s,c| s += c.body.spam_score }
218 score = self.description.spam_score / 4.0
219 score += diary_entry_score / self.diary_entries.length if self.diary_entries.length > 0
220 score += diary_comment_score / self.diary_comments.length if self.diary_comments.length > 0
221 score -= changeset_score
228 # perform a spam check on a user
230 if status == "active" and spam_score > SPAM_THRESHOLD
231 update_column(:status, "suspended")
236 # return an oauth access token for a specified application
237 def access_token(application_key)
238 return ClientApplication.find_by_key(application_key).access_token_for_user(self)
244 self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
245 self.description_format = "markdown" unless self.attribute_present?(:description_format)
249 if pass_crypt_confirmation
250 self.pass_crypt, self.pass_salt = PasswordHash.create(pass_crypt)
251 self.pass_crypt_confirmation = nil