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 :display_name, :presence => true, :allow_nil => true, :length => 3..255,
38 :exclusion => %w(new terms save confirm confirm-email go_public reset-password forgot-password suspended)
39 validates :display_name, :if => proc { |u| u.display_name_changed? },
40 :uniqueness => { :case_sensitive => false }
41 validates :display_name, :if => proc { |u| u.display_name_changed? },
42 :format => { :with => %r{\A[^\x00-\x1f\x7f\ufffe\uffff/;.,?%#]*\z} }
43 validates :display_name, :if => proc { |u| u.display_name_changed? },
44 :format => { :with => /\A\S/, :message => "has leading whitespace" }
45 validates :display_name, :if => proc { |u| u.display_name_changed? },
46 :format => { :with => /\S\z/, :message => "has trailing whitespace" }
47 validates :email, :presence => true, :confirmation => true
48 validates :email, :if => proc { |u| u.email_changed? },
49 :uniqueness => { :case_sensitive => false }
50 validates :pass_crypt, :confirmation => true, :length => 8..255
51 validates :home_lat, :home_lon, :allow_nil => true, :numericality => true
52 validates :home_zoom, :allow_nil => true, :numericality => { :only_integer => true }
53 validates :preferred_editor, :inclusion => Editors::ALL_EDITORS, :allow_nil => true
54 validates :image, :attachment_content_type => { :content_type => %r{\Aimage/.*\Z} }
56 validates_email_format_of :email, :if => proc { |u| u.email_changed? }
57 validates_email_format_of :new_email, :allow_blank => true, :if => proc { |u| u.new_email_changed? }
59 after_initialize :set_defaults
60 before_save :encrypt_password
61 after_save :spam_check
63 def self.authenticate(options)
64 if options[:username] && options[:password]
65 user = find_by("email = ? OR display_name = ?", options[:username], options[:username])
68 users = where("LOWER(email) = LOWER(?) OR LOWER(display_name) = LOWER(?)", options[:username], options[:username])
70 user = users.first if users.count == 1
73 if user && 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" ||
88 (user.status == "pending" && !options[:pending]) ||
89 (user.status == "suspended" && !options[:suspended]))
93 token.update_column(:expiry, 1.week.from_now) if token && 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"] = display_name.to_s
107 el1["account_created"] = creation_time.xmlschema
108 if home_lat && home_lon
109 home = XML::Node.new "home"
110 home["lat"] = home_lat.to_s
111 home["lon"] = home_lon.to_s
112 home["zoom"] = home_zoom.to_s
119 RichText.new(self[:description_format], self[:description])
123 attribute_present?(:languages) ? self[:languages].split(/ *[, ] */) : []
126 def languages=(languages)
127 self[: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(&:to_s)).first
138 def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
139 if home_lon && home_lat
140 gc = OSM::GreatCircle.new(home_lat, home_lon)
141 sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
142 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)
149 def distance(nearby_user)
150 OSM::GreatCircle.new(home_lat, home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
153 def is_friends_with?(new_friend)
154 friends.where(:friend_user_id => new_friend.id).exists?
158 # returns true if a user is visible
160 %w(pending active confirmed).include? status
164 # returns true if a user is active
166 %w(active confirmed).include? status
170 # returns true if the user has the moderator role, false otherwise
172 has_role? "moderator"
176 # returns true if the user has the administrator role, false otherwise
178 has_role? "administrator"
182 # returns true if the user has the requested role
184 roles.any? { |r| r.role == role }
188 # returns the first active block which would require users to view
189 # a message, or nil if there are none.
191 blocks.active.detect(&:needs_view?)
195 # delete a user - leave the account but purge most personal data
197 self.display_name = "user_#{id}"
198 self.description = ""
202 self.email_valid = false
204 self.auth_provider = nil
206 self.status = "deleted"
211 # return a spam score for a user
213 changeset_score = changesets.size * 50
214 trace_score = traces.size * 50
215 diary_entry_score = diary_entries.inject(0) { |a, e| a + e.body.spam_score }
216 diary_comment_score = diary_comments.inject(0) { |a, e| a + e.body.spam_score }
218 score = description.spam_score / 4.0
219 score += diary_entries.where("created_at > ?", 1.day.ago).count * 10
220 score += diary_entry_score / diary_entries.length if diary_entries.length > 0
221 score += diary_comment_score / diary_comments.length if diary_comments.length > 0
222 score -= changeset_score
229 # perform a spam check on a user
231 if status == "active" && spam_score > SPAM_THRESHOLD
232 update_column(:status, "suspended")
237 # return an oauth access token for a specified application
238 def access_token(application_key)
239 ClientApplication.find_by_key(application_key).access_token_for_user(self)
245 self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
249 if pass_crypt_confirmation
250 self.pass_crypt, self.pass_salt = PasswordHash.create(pass_crypt)
251 self.pass_crypt_confirmation = nil