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 => %w(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 => %w(pending active confirmed)) }
30 scope :active, -> { where(:status => %w(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 { |u| u.display_name_changed? }
41 validates_uniqueness_of :email, :case_sensitive => false, :if => proc { |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 { |u| u.email_changed? }
46 validates_email_format_of :new_email, :allow_blank => true, :if => proc { |u| u.new_email_changed? }
47 validates_format_of :display_name, :with => /\A[^\x00-\x1f\x7f\ufffe\uffff\/;.,?%#]*\z/, :if => proc { |u| u.display_name_changed? }
48 validates_format_of :display_name, :with => /\A\S/, :message => "has leading whitespace", :if => proc { |u| u.display_name_changed? }
49 validates_format_of :display_name, :with => /\S\z/, :message => "has trailing whitespace", :if => proc { |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] && 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])
68 user = users.first if users.count == 1
71 if user && PasswordHash.check(user.pass_crypt, user.pass_salt, options[:password])
72 if PasswordHash.upgrade?(user.pass_crypt, user.pass_salt)
73 user.pass_crypt, user.pass_salt = PasswordHash.create(options[:password])
80 token = UserToken.find_by_token(options[:token])
81 user = token.user if token
85 (user.status == "deleted" ||
86 (user.status == "pending" && !options[:pending]) ||
87 (user.status == "suspended" && !options[:suspended]))
91 token.update_column(:expiry, 1.week.from_now) if token && user
97 doc = OSM::API.new.get_xml_doc
98 doc.root << to_xml_node
103 el1 = XML::Node.new "user"
104 el1["display_name"] = display_name.to_s
105 el1["account_created"] = creation_time.xmlschema
106 if home_lat && home_lon
107 home = XML::Node.new "home"
108 home["lat"] = home_lat.to_s
109 home["lon"] = home_lon.to_s
110 home["zoom"] = home_zoom.to_s
117 RichText.new(read_attribute(:description_format), read_attribute(:description))
121 attribute_present?(:languages) ? read_attribute(:languages).split(/ *, */) : []
124 def languages=(languages)
125 write_attribute(:languages, languages.join(","))
128 def preferred_language
129 languages.find { |l| Language.exists?(:code => l) }
132 def preferred_language_from(array)
133 (languages & array.collect(&:to_s)).first
136 def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
137 if home_lon && home_lat
138 gc = OSM::GreatCircle.new(home_lat, home_lon)
139 sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
140 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)
147 def distance(nearby_user)
148 OSM::GreatCircle.new(home_lat, home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
151 def is_friends_with?(new_friend)
152 friends.where(:friend_user_id => new_friend.id).exists?
156 # returns true if a user is visible
158 %w(pending active confirmed).include? status
162 # returns true if a user is active
164 %w(active confirmed).include? status
168 # returns true if the user has the moderator role, false otherwise
170 has_role? "moderator"
174 # returns true if the user has the administrator role, false otherwise
176 has_role? "administrator"
180 # returns true if the user has the requested role
182 roles.any? { |r| r.role == role }
186 # returns the first active block which would require users to view
187 # a message, or nil if there are none.
189 blocks.active.detect(&:needs_view?)
193 # delete a user - leave the account but purge most personal data
195 self.display_name = "user_#{id}"
196 self.description = ""
200 self.email_valid = false
202 self.openid_url = nil
203 self.status = "deleted"
208 # return a spam score for a user
210 changeset_score = changesets.size * 50
211 trace_score = traces.size * 50
212 diary_entry_score = diary_entries.inject(0) { |a, e| a + e.body.spam_score }
213 diary_comment_score = diary_comments.inject(0) { |a, e| a + e.body.spam_score }
215 score = description.spam_score / 4.0
216 score += diary_entries.where("created_at > ?", 1.day.ago).count * 10
217 score += diary_entry_score / diary_entries.length if diary_entries.length > 0
218 score += diary_comment_score / diary_comments.length if diary_comments.length > 0
219 score -= changeset_score
226 # perform a spam check on a user
228 if status == "active" && spam_score > SPAM_THRESHOLD
229 update_column(:status, "suspended")
234 # return an oauth access token for a specified application
235 def access_token(application_key)
236 ClientApplication.find_by_key(application_key).access_token_for_user(self)
242 self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
246 if pass_crypt_confirmation
247 self.pass_crypt, self.pass_salt = PasswordHash.create(pass_crypt)
248 self.pass_crypt_confirmation = nil