1 # == Schema Information
5 # email :string not null
6 # id :integer not null, primary key
7 # pass_crypt :string not null
8 # creation_time :datetime not null
9 # display_name :string default(""), not null
10 # data_public :boolean default(FALSE), not null
11 # description :text default(""), not null
14 # home_zoom :integer default(3)
15 # nearby :integer default(50)
17 # image_file_name :text
18 # email_valid :boolean default(FALSE), not null
22 # status :enum default("pending"), not null
23 # terms_agreed :datetime
24 # consider_pd :boolean default(FALSE), not null
26 # preferred_editor :string
27 # terms_seen :boolean default(FALSE), not null
28 # description_format :enum default("markdown"), not null
29 # image_fingerprint :string
30 # changesets_count :integer default(0), not null
31 # traces_count :integer default(0), not null
32 # diary_entries_count :integer default(0), not null
33 # image_use_gravatar :boolean default(FALSE), not null
34 # image_content_type :string
35 # auth_provider :string
40 # users_auth_idx (auth_provider,auth_uid) UNIQUE
41 # users_display_name_idx (display_name) UNIQUE
42 # users_display_name_lower_idx (lower((display_name)::text))
43 # users_email_idx (email) UNIQUE
44 # users_email_lower_idx (lower((email)::text))
45 # users_home_idx (home_tile)
48 class User < ActiveRecord::Base
51 has_many :traces, -> { where(:visible => true) }
52 has_many :diary_entries, -> { order(:created_at => :desc) }
53 has_many :diary_comments, -> { order(:created_at => :desc) }
54 has_many :diary_entry_subscriptions, :class_name => "DiaryEntrySubscription"
55 has_many :diary_subscriptions, :through => :diary_entry_subscriptions, :source => :diary_entry
56 has_many :messages, -> { where(:to_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :foreign_key => :to_user_id
57 has_many :new_messages, -> { where(:to_user_visible => true, :message_read => false).order(:sent_on => :desc) }, :class_name => "Message", :foreign_key => :to_user_id
58 has_many :sent_messages, -> { where(:from_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :class_name => "Message", :foreign_key => :from_user_id
59 has_many :friends, -> { joins(:befriendee).where(:users => { :status => %w[active confirmed] }) }
60 has_many :friend_users, :through => :friends, :source => :befriendee
61 has_many :tokens, :class_name => "UserToken"
62 has_many :preferences, :class_name => "UserPreference"
63 has_many :changesets, -> { order(:created_at => :desc) }
64 has_many :changeset_comments, :foreign_key => :author_id
65 has_and_belongs_to_many :changeset_subscriptions, :class_name => "Changeset", :join_table => "changesets_subscribers", :foreign_key => "subscriber_id"
66 has_many :note_comments, :foreign_key => :author_id
67 has_many :notes, :through => :note_comments
69 has_many :client_applications
70 has_many :oauth_tokens, -> { order(:authorized_at => :desc).preload(:client_application) }, :class_name => "OauthToken"
72 has_many :blocks, :class_name => "UserBlock"
73 has_many :blocks_created, :class_name => "UserBlock", :foreign_key => :creator_id
74 has_many :blocks_revoked, :class_name => "UserBlock", :foreign_key => :revoker_id
76 has_many :roles, :class_name => "UserRole"
78 has_many :issues, :class_name => "Issue", :foreign_key => :reported_user_id
79 has_many :issue_comments
83 scope :visible, -> { where(:status => %w[pending active confirmed]) }
84 scope :active, -> { where(:status => %w[active confirmed]) }
85 scope :identifiable, -> { where(:data_public => true) }
87 has_attached_file :image,
88 :default_url => "/assets/:class/:attachment/:style.png",
89 :styles => { :large => "100x100>", :small => "50x50>" }
91 INVALID_CHARS = "/;.,?%#"
93 validates :display_name, :presence => true, :allow_nil => true, :length => 3..255,
94 :exclusion => %w[new terms save confirm confirm-email go_public reset-password forgot-password suspended]
95 validates :display_name, :if => proc { |u| u.display_name_changed? },
96 :uniqueness => { :case_sensitive => false }
97 validates :display_name, :if => proc { |u| u.display_name_changed? },
98 :format => { :with => %r{\A[^\x00-\x1f\x7f\ufffe\uffff]*\z} }
99 validates :display_name, :if => proc { |u| u.display_name_changed? },
100 :format => { :with => %r{\A[^#{INVALID_CHARS}]*\z},
101 :message => "cannot contain invalid chars: #{INVALID_CHARS}", invalid_chars: INVALID_CHARS }
102 validates :display_name, :if => proc { |u| u.display_name_changed? },
103 :format => { :with => /\A\S/, :message => "has leading whitespace" }
104 validates :display_name, :if => proc { |u| u.display_name_changed? },
105 :format => { :with => /\S\z/, :message => "has trailing whitespace" }
106 validates :email, :presence => true, :confirmation => true
107 validates :email, :if => proc { |u| u.email_changed? },
108 :uniqueness => { :case_sensitive => false }
109 validates :pass_crypt, :confirmation => true, :length => 8..255
110 validates :home_lat, :allow_nil => true, :numericality => true, :inclusion => { :in => -90..90 }
111 validates :home_lon, :allow_nil => true, :numericality => true, :inclusion => { :in => -180..180 }
112 validates :home_zoom, :allow_nil => true, :numericality => { :only_integer => true }
113 validates :preferred_editor, :inclusion => Editors::ALL_EDITORS, :allow_nil => true
114 validates :image, :attachment_content_type => { :content_type => %r{\Aimage/.*\Z} }
115 validates :auth_uid, :unless => proc { |u| u.auth_provider.nil? },
116 :uniqueness => { :scope => :auth_provider }
118 validates_email_format_of :email, :if => proc { |u| u.email_changed? }
119 validates_email_format_of :new_email, :allow_blank => true, :if => proc { |u| u.new_email_changed? }
121 after_initialize :set_defaults
122 before_save :encrypt_password
123 before_save :update_tile
124 after_save :spam_check
125 after_save :reset_preferred_languages
131 def self.authenticate(options)
132 if options[:username] && options[:password]
133 user = find_by("email = ? OR display_name = ?", options[:username], options[:username])
136 users = where("LOWER(email) = LOWER(?) OR LOWER(display_name) = LOWER(?)", options[:username], options[:username])
138 user = users.first if users.count == 1
141 if user && PasswordHash.check(user.pass_crypt, user.pass_salt, options[:password])
142 if PasswordHash.upgrade?(user.pass_crypt, user.pass_salt)
143 user.pass_crypt, user.pass_salt = PasswordHash.create(options[:password])
149 elsif options[:token]
150 token = UserToken.find_by(:token => options[:token])
151 user = token.user if token
155 (user.status == "deleted" ||
156 (user.status == "pending" && !options[:pending]) ||
157 (user.status == "suspended" && !options[:suspended]))
161 token.update(:expiry => 1.week.from_now) if token && user
167 doc = OSM::API.new.get_xml_doc
168 doc.root << to_xml_node
173 el1 = XML::Node.new "user"
174 el1["display_name"] = display_name.to_s
175 el1["account_created"] = creation_time.xmlschema
176 if home_lat && home_lon
177 home = XML::Node.new "home"
178 home["lat"] = home_lat.to_s
179 home["lon"] = home_lon.to_s
180 home["zoom"] = home_zoom.to_s
187 RichText.new(self[:description_format], self[:description])
191 attribute_present?(:languages) ? self[:languages].split(/ *[, ] */) : []
194 def languages=(languages)
195 self[:languages] = languages.join(",")
198 def preferred_language
199 languages.find { |l| Language.exists?(:code => l) }
202 def preferred_languages
203 @preferred_languages ||= Locale.list(languages)
206 def reset_preferred_languages
207 @preferred_languages = nil
210 def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
211 if home_lon && home_lat
212 gc = OSM::GreatCircle.new(home_lat, home_lon)
213 sql_for_area = QuadTile.sql_for_area(gc.bounds(radius), "home_")
214 sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
215 nearby = User.active.identifiable
216 .where("id != ?", id)
218 .where("#{sql_for_distance} <= ?", radius)
219 .order(Arel.sql(sql_for_distance))
227 def distance(nearby_user)
228 OSM::GreatCircle.new(home_lat, home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
231 def is_friends_with?(new_friend)
232 friends.where(:friend_user_id => new_friend.id).exists?
236 # returns true if a user is visible
238 %w[pending active confirmed].include? status
242 # returns true if a user is active
244 %w[active confirmed].include? status
248 # returns true if the user has the moderator role, false otherwise
250 has_role? "moderator"
254 # returns true if the user has the administrator role, false otherwise
256 has_role? "administrator"
260 # returns true if the user has the requested role
262 roles.any? { |r| r.role == role }
266 # returns the first active block which would require users to view
267 # a message, or nil if there are none.
269 blocks.active.detect(&:needs_view?)
273 # delete a user - leave the account but purge most personal data
275 self.display_name = "user_#{id}"
276 self.description = ""
280 self.email_valid = false
282 self.auth_provider = nil
284 self.status = "deleted"
289 # return a spam score for a user
291 changeset_score = changesets.size * 50
292 trace_score = traces.size * 50
293 diary_entry_score = diary_entries.visible.inject(0) { |acc, elem| acc + elem.body.spam_score }
294 diary_comment_score = diary_comments.visible.inject(0) { |acc, elem| acc + elem.body.spam_score }
296 score = description.spam_score / 4.0
297 score += diary_entries.where("created_at > ?", 1.day.ago).count * 10
298 score += diary_entry_score / diary_entries.length unless diary_entries.empty?
299 score += diary_comment_score / diary_comments.length unless diary_comments.empty?
300 score -= changeset_score
307 # perform a spam check on a user
309 update(:status => "suspended") if status == "active" && spam_score > SPAM_THRESHOLD
313 # return an oauth access token for a specified application
314 def access_token(application_key)
315 ClientApplication.find_by(:key => application_key).access_token_for_user(self)
321 self.creation_time = Time.now.getutc unless attribute_present?(:creation_time)
325 if pass_crypt_confirmation
326 self.pass_crypt, self.pass_salt = PasswordHash.create(pass_crypt)
327 self.pass_crypt_confirmation = nil
332 self.home_tile = QuadTile.tile_for_point(home_lat, home_lon) if home_lat && home_lon