-require 'digest/md5'
+# == Schema Information
+#
+# Table name: users
+#
+# email :string not null
+# id :bigint(8) not null, primary key
+# pass_crypt :string not null
+# creation_time :datetime not null
+# display_name :string default(""), not null
+# data_public :boolean default(FALSE), not null
+# description :text default(""), not null
+# home_lat :float
+# home_lon :float
+# home_zoom :integer default(3)
+# nearby :integer default(50)
+# pass_salt :string
+# email_valid :boolean default(FALSE), not null
+# new_email :string
+# creation_ip :string
+# languages :string
+# status :enum default("pending"), not null
+# terms_agreed :datetime
+# consider_pd :boolean default(FALSE), not null
+# auth_uid :string
+# preferred_editor :string
+# terms_seen :boolean default(FALSE), not null
+# description_format :enum default("markdown"), not null
+# changesets_count :integer default(0), not null
+# traces_count :integer default(0), not null
+# diary_entries_count :integer default(0), not null
+# image_use_gravatar :boolean default(FALSE), not null
+# auth_provider :string
+# home_tile :bigint(8)
+# tou_agreed :datetime
+#
+# Indexes
+#
+# users_auth_idx (auth_provider,auth_uid) UNIQUE
+# users_display_name_idx (display_name) UNIQUE
+# users_display_name_lower_idx (lower((display_name)::text))
+# users_email_idx (email) UNIQUE
+# users_email_lower_idx (lower((email)::text))
+# users_home_idx (home_tile)
+#
-class User < ActiveRecord::Base
- has_many :traces
+class User < ApplicationRecord
+ require "digest"
+ require "xml/libxml"
- validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
- validates_uniqueness_of :display_name
- validates_uniqueness_of :email
- validates_length_of :pass_crypt, :minimum => 8
- validates_length_of :display_name, :minimum => 3
- validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
+ has_many :traces, -> { where(:visible => true) }
+ has_many :diary_entries, -> { order(:created_at => :desc) }
+ has_many :diary_comments, -> { order(:created_at => :desc) }
+ has_many :diary_entry_subscriptions, :class_name => "DiaryEntrySubscription"
+ has_many :diary_subscriptions, :through => :diary_entry_subscriptions, :source => :diary_entry
+ has_many :messages, -> { where(:to_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :foreign_key => :to_user_id
+ has_many :new_messages, -> { where(:to_user_visible => true, :message_read => false).order(:sent_on => :desc) }, :class_name => "Message", :foreign_key => :to_user_id
+ has_many :sent_messages, -> { where(:from_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :class_name => "Message", :foreign_key => :from_user_id
+ has_many :friendships, -> { joins(:befriendee).where(:users => { :status => %w[active confirmed] }) }
+ has_many :friends, :through => :friendships, :source => :befriendee
+ has_many :tokens, :class_name => "UserToken", :dependent => :destroy
+ has_many :preferences, :class_name => "UserPreference"
+ has_many :changesets, -> { order(:created_at => :desc) }
+ has_many :changeset_comments, :foreign_key => :author_id
+ has_and_belongs_to_many :changeset_subscriptions, :class_name => "Changeset", :join_table => "changesets_subscribers", :foreign_key => "subscriber_id"
+ has_many :note_comments, :foreign_key => :author_id
+ has_many :notes, :through => :note_comments
- def set_defaults
- self.creation_time = Time.now
- self.timeout = Time.now
- self.token = User.make_token()
- end
-
- def pass_crypt=(str)
- write_attribute("pass_crypt", Digest::MD5.hexdigest(str))
- end
-
- def pass_crypt_confirmation=(str)
- write_attribute("pass_crypt_confirm", Digest::MD5.hexdigest(str))
- end
-
- def self.authenticate(email, passwd)
- find_first([ "email = ? AND pass_crypt =?", email, Digest::MD5.hexdigest(passwd) ])
- end
-
- def self.authenticate_token(token)
- find_first([ "token = ? ", token])
- end
-
- def self.make_token(length=30)
- chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
- confirmstring = ''
-
- length.times do
- confirmstring += chars[(rand * chars.length).to_i].chr
+ has_many :client_applications
+ has_many :oauth_tokens, -> { order(:authorized_at => :desc).preload(:client_application) }, :class_name => "OauthToken"
+
+ has_many :oauth2_applications, :class_name => Doorkeeper.config.application_model.name, :as => :owner
+ has_many :access_grants, :class_name => Doorkeeper.config.access_grant_model.name, :foreign_key => :resource_owner_id
+ has_many :access_tokens, :class_name => Doorkeeper.config.access_token_model.name, :foreign_key => :resource_owner_id
+
+ has_many :blocks, :class_name => "UserBlock"
+ has_many :blocks_created, :class_name => "UserBlock", :foreign_key => :creator_id
+ has_many :blocks_revoked, :class_name => "UserBlock", :foreign_key => :revoker_id
+
+ has_many :roles, :class_name => "UserRole"
+
+ has_many :issues, :class_name => "Issue", :foreign_key => :reported_user_id
+ has_many :issue_comments
+
+ has_many :reports
+
+ scope :visible, -> { where(:status => %w[pending active confirmed]) }
+ scope :active, -> { where(:status => %w[active confirmed]) }
+ scope :identifiable, -> { where(:data_public => true) }
+
+ has_one_attached :avatar
+
+ validates :display_name, :presence => true, :length => 3..255,
+ :exclusion => %w[new terms save confirm confirm-email go_public reset-password forgot-password suspended]
+ validates :display_name, :if => proc { |u| u.display_name_changed? },
+ :uniqueness => { :case_sensitive => false }
+ validates :display_name, :if => proc { |u| u.display_name_changed? },
+ :characters => { :url_safe => true },
+ :whitespace => { :leading => false, :trailing => false }
+ validates :email, :presence => true, :confirmation => true, :characters => true
+ validates :email, :if => proc { |u| u.email_changed? },
+ :uniqueness => { :case_sensitive => false }
+ validates :email, :if => proc { |u| u.email_changed? },
+ :whitespace => { :leading => false, :trailing => false }
+ validates :pass_crypt, :confirmation => true, :length => 8..255
+ validates :home_lat, :allow_nil => true, :numericality => true, :inclusion => { :in => -90..90 }
+ validates :home_lon, :allow_nil => true, :numericality => true, :inclusion => { :in => -180..180 }
+ validates :home_zoom, :allow_nil => true, :numericality => { :only_integer => true }
+ validates :preferred_editor, :inclusion => Editors::ALL_EDITORS, :allow_nil => true
+ validates :auth_uid, :unless => proc { |u| u.auth_provider.nil? },
+ :uniqueness => { :scope => :auth_provider }
+ validates :avatar, :if => proc { |u| u.attachment_changes["avatar"] },
+ :image => true
+
+ validates_email_format_of :email, :if => proc { |u| u.email_changed? }
+ validates_email_format_of :new_email, :allow_blank => true, :if => proc { |u| u.new_email_changed? }
+
+ after_initialize :set_defaults
+ before_save :encrypt_password
+ before_save :update_tile
+ after_save :spam_check
+
+ def to_param
+ display_name
+ end
+
+ def self.authenticate(options)
+ if options[:username] && options[:password]
+ user = find_by("email = ? OR display_name = ?", options[:username].strip, options[:username])
+
+ if user.nil?
+ users = where("LOWER(email) = LOWER(?) OR LOWER(display_name) = LOWER(?)", options[:username].strip, options[:username])
+
+ user = users.first if users.count == 1
+ end
+
+ if user && PasswordHash.check(user.pass_crypt, user.pass_salt, options[:password])
+ if PasswordHash.upgrade?(user.pass_crypt, user.pass_salt)
+ user.pass_crypt, user.pass_salt = PasswordHash.create(options[:password])
+ user.save
+ end
+ else
+ user = nil
+ end
+ elsif options[:token]
+ token = UserToken.find_by(:token => options[:token])
+ user = token.user if token
end
- return confirmstring
+ if user &&
+ (user.status == "deleted" ||
+ (user.status == "pending" && !options[:pending]) ||
+ (user.status == "suspended" && !options[:suspended]))
+ user = nil
+ end
+
+ token.update(:expiry => 1.week.from_now) if token && user
+
+ user
+ end
+
+ def description
+ RichText.new(self[:description_format], self[:description])
+ end
+
+ def languages
+ attribute_present?(:languages) ? self[:languages].split(/ *[, ] */) : []
+ end
+
+ def languages=(languages)
+ self[:languages] = languages.join(",")
+ end
+
+ def preferred_language
+ languages.find { |l| Language.exists?(:code => l) }
+ end
+
+ def preferred_languages
+ @preferred_languages ||= Locale.list(languages)
+ end
+
+ def nearby(radius = Settings.nearby_radius, num = Settings.nearby_users)
+ if home_lon && home_lat
+ gc = OSM::GreatCircle.new(home_lat, home_lon)
+ sql_for_area = QuadTile.sql_for_area(gc.bounds(radius), "home_")
+ sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
+ nearby = User.active.identifiable
+ .where.not(:id => id)
+ .where(sql_for_area)
+ .where("#{sql_for_distance} <= ?", radius)
+ .order(Arel.sql(sql_for_distance))
+ .limit(num)
+ else
+ nearby = []
+ end
+ nearby
+ end
+
+ def distance(nearby_user)
+ OSM::GreatCircle.new(home_lat, home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
+ end
+
+ def is_friends_with?(new_friend)
+ friendships.exists?(:befriendee => new_friend)
+ end
+
+ ##
+ # returns true if a user is visible
+ def visible?
+ %w[pending active confirmed].include? status
end
+ ##
+ # returns true if a user is active
+ def active?
+ %w[active confirmed].include? status
+ end
+
+ ##
+ # returns true if the user has the moderator role, false otherwise
+ def moderator?
+ has_role? "moderator"
+ end
+
+ ##
+ # returns true if the user has the administrator role, false otherwise
+ def administrator?
+ has_role? "administrator"
+ end
+
+ ##
+ # returns true if the user has the requested role
+ def has_role?(role)
+ roles.any? { |r| r.role == role }
+ end
+
+ ##
+ # returns the first active block which would require users to view
+ # a message, or nil if there are none.
+ def blocked_on_view
+ blocks.active.detect(&:needs_view?)
+ end
+
+ ##
+ # delete a user - leave the account but purge most personal data
+ def delete
+ avatar.purge_later
+
+ self.display_name = "user_#{id}"
+ self.description = ""
+ self.home_lat = nil
+ self.home_lon = nil
+ self.email_valid = false
+ self.new_email = nil
+ self.auth_provider = nil
+ self.auth_uid = nil
+ self.status = "deleted"
+
+ save
+ end
+
+ ##
+ # return a spam score for a user
+ def spam_score
+ changeset_score = changesets.size * 50
+ trace_score = traces.size * 50
+ diary_entry_score = diary_entries.visible.inject(0) { |acc, elem| acc + elem.body.spam_score }
+ diary_comment_score = diary_comments.visible.inject(0) { |acc, elem| acc + elem.body.spam_score }
+
+ score = description.spam_score / 4.0
+ score += diary_entries.where("created_at > ?", 1.day.ago).count * 10
+ score += diary_entry_score / diary_entries.length unless diary_entries.empty?
+ score += diary_comment_score / diary_comments.length unless diary_comments.empty?
+ score -= changeset_score
+ score -= trace_score
+
+ score.to_i
+ end
+
+ ##
+ # perform a spam check on a user
+ def spam_check
+ update(:status => "suspended") if status == "active" && spam_score > Settings.spam_threshold
+ end
+
+ ##
+ # return an oauth 1 access token for a specified application
+ def access_token(application_key)
+ ClientApplication.find_by(:key => application_key).access_token_for_user(self)
+ end
+
+ ##
+ # return an oauth 2 access token for a specified application
+ def oauth_token(application_id)
+ application = Doorkeeper.config.application_model.find_by(:uid => application_id)
+
+ Doorkeeper.config.access_token_model.find_or_create_for(
+ :application => application,
+ :resource_owner => self,
+ :scopes => application.scopes
+ )
+ end
+
+ def fingerprint
+ digest = Digest::SHA256.new
+ digest.update(email)
+ digest.update(pass_crypt)
+ digest.hexdigest
+ end
+
+ def max_messages_per_hour
+ account_age_in_seconds = Time.now.utc - creation_time
+ account_age_in_hours = account_age_in_seconds / 3600
+ recent_messages = messages.where("sent_on >= ?", Time.now.utc - 3600).count
+ active_reports = issues.with_status(:open).sum(:reports_count)
+ max_messages = account_age_in_hours.ceil + recent_messages - active_reports * 10
+ max_messages.clamp(0, Settings.max_messages_per_hour)
+ end
+
+ def max_friends_per_hour
+ account_age_in_seconds = Time.now.utc - creation_time
+ account_age_in_hours = account_age_in_seconds / 3600
+ recent_friends = Friendship.where(:befriendee => self).where("created_at >= ?", Time.now.utc - 3600).count
+ active_reports = issues.with_status(:open).sum(:reports_count)
+ max_friends = account_age_in_hours.ceil + recent_friends - active_reports * 10
+ max_friends.clamp(0, Settings.max_friends_per_hour)
+ end
+
+ private
+
+ def set_defaults
+ self.creation_time = Time.now.getutc unless attribute_present?(:creation_time)
+ end
+
+ def encrypt_password
+ if pass_crypt_confirmation
+ self.pass_crypt, self.pass_salt = PasswordHash.create(pass_crypt)
+ self.pass_crypt_confirmation = nil
+ end
+ end
+
+ def update_tile
+ self.home_tile = QuadTile.tile_for_point(home_lat, home_lon) if home_lat && home_lon
+ end
end