class User < ActiveRecord::Base
require 'xml/libxml'
- require 'digest/md5'
- has_many :traces
- has_many :diary_entries
- has_many :messages, :foreign_key => :to_user_id
- has_many :friends
-
- validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
- validates_uniqueness_of :display_name, :allow_nil => true
- validates_uniqueness_of :email
- validates_length_of :pass_crypt, :minimum => 8
- validates_length_of :display_name, :minimum => 3, :allow_nil => true
- validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
-
- 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, :conditions => [ "email = ? AND pass_crypt = ? AND active = true", email, Digest::MD5.hexdigest(passwd)])
- end
-
- def self.authenticate_token(token)
- find(:first, :conditions => [ "token = ? ", token])
- end
+ has_many :traces, -> { where(:visible => true) }
+ has_many :diary_entries, -> { order(:created_at => :desc) }
+ has_many :diary_comments, -> { order(:created_at => :desc) }
+ 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 :friends, -> { joins(:befriendee).where(:users => { :status => ["active", "confirmed"] }) }
+ has_many :friend_users, :through => :friends, :source => :befriendee
+ has_many :tokens, :class_name => "UserToken"
+ 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
+
+ has_many :client_applications
+ has_many :oauth_tokens, -> { order(:authorized_at => :desc).preload(:client_application) }, :class_name => "OauthToken"
+
+ 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"
+
+ scope :visible, -> { where(:status => ["pending", "active", "confirmed"]) }
+ scope :active, -> { where(:status => ["active", "confirmed"]) }
+ scope :identifiable, -> { where(:data_public => true) }
+
+ has_attached_file :image,
+ :default_url => "/assets/:class/:attachment/:style.png",
+ :styles => { :large => "100x100>", :small => "50x50>" }
+
+ validates_presence_of :email, :display_name
+ validates_confirmation_of :email#, :message => ' addresses must match'
+ validates_confirmation_of :pass_crypt#, :message => ' must match the confirmation password'
+ validates_uniqueness_of :display_name, :allow_nil => true, :case_sensitive => false, :if => Proc.new { |u| u.display_name_changed? }
+ validates_uniqueness_of :email, :case_sensitive => false, :if => Proc.new { |u| u.email_changed? }
+ validates_uniqueness_of :openid_url, :allow_nil => true
+ validates_length_of :pass_crypt, :within => 8..255
+ validates_length_of :display_name, :within => 3..255, :allow_nil => true
+ validates_email_format_of :email, :if => Proc.new { |u| u.email_changed? }
+ validates_email_format_of :new_email, :allow_blank => true, :if => Proc.new { |u| u.new_email_changed? }
+ validates_format_of :display_name, :with => /\A[^\x00-\x1f\x7f\ufffe\uffff\/;.,?%#]*\z/, :if => Proc.new { |u| u.display_name_changed? }
+ validates_format_of :display_name, :with => /\A\S/, :message => "has leading whitespace", :if => Proc.new { |u| u.display_name_changed? }
+ validates_format_of :display_name, :with => /\S\z/, :message => "has trailing whitespace", :if => Proc.new { |u| u.display_name_changed? }
+ validates_exclusion_of :display_name, :in => %w(new terms save confirm confirm-email go_public reset-password forgot-password suspended)
+ validates_numericality_of :home_lat, :allow_nil => true
+ validates_numericality_of :home_lon, :allow_nil => true
+ validates_numericality_of :home_zoom, :only_integer => true, :allow_nil => true
+ validates_inclusion_of :preferred_editor, :in => Editors::ALL_EDITORS, :allow_nil => true
+ validates_attachment_content_type :image, :content_type => /\Aimage\/.*\Z/
+
+ after_initialize :set_defaults
+ before_save :encrypt_password
+ after_save :spam_check
+
+ def self.authenticate(options)
+ if options[:username] and options[:password]
+ user = where("email = ? OR display_name = ?", options[:username], options[:username]).first
+
+ if user.nil?
+ users = where("LOWER(email) = LOWER(?) OR LOWER(display_name) = LOWER(?)", options[:username], options[:username])
+
+ if users.count == 1
+ user = users.first
+ end
+ end
- def self.make_token(length=30)
- chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
- confirmstring = ''
+ if user and 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
- length.times do
- confirmstring += chars[(rand * chars.length).to_i].chr
+ if user and
+ ( user.status == "deleted" or
+ ( user.status == "pending" and not options[:pending] ) or
+ ( user.status == "suspended" and not options[:suspended] ) )
+ user = nil
end
- return confirmstring
+ token.update_column(:expiry, 1.week.from_now) if token and user
+
+ return user
end
def to_xml
el1 = XML::Node.new 'user'
el1['display_name'] = self.display_name.to_s
el1['account_created'] = self.creation_time.xmlschema
+ if self.home_lat and self.home_lon
+ home = XML::Node.new 'home'
+ home['lat'] = self.home_lat.to_s
+ home['lon'] = self.home_lon.to_s
+ home['zoom'] = self.home_zoom.to_s
+ el1 << home
+ end
return el1
end
- def nearby(lat_range=1, lon_range=1)
- if self.home_lon and self.home_lat
- nearby = User.find(:all, :conditions => "#{self.home_lon} > home_lon - #{lon_range} and #{self.home_lon} < home_lon + #{lon_range} and #{self.home_lat} > home_lat - #{lat_range} and #{self.home_lat} < home_lat + #{lat_range} and data_public = 1 and id != #{self.id}")
- else
- nearby = []
- end
- return nearby
+ def description
+ RichText.new(read_attribute(:description_format), read_attribute(:description))
end
- def self.has_messages?
- if Message.fdhjklsafind_by_to_user_id(self.id)
- return true
+ def languages
+ attribute_present?(:languages) ? read_attribute(:languages).split(/ *, */) : []
+ end
+
+ def languages=(languages)
+ write_attribute(:languages, languages.join(","))
+ end
+
+ def preferred_language
+ languages.find { |l| Language.exists?(:code => l) }
+ end
+
+ def preferred_language_from(array)
+ (languages & array.collect { |i| i.to_s }).first
+ end
+
+ def nearby(radius = NEARBY_RADIUS, num = NEARBY_USERS)
+ if self.home_lon and self.home_lat
+ gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
+ bounds = gc.bounds(radius)
+ sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
+ 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)
else
- return false
+ nearby = []
end
+ return nearby
end
- def get_new_messages
- messages = Message.find(:all, :conditions => "message_read = 0 and to_user_id = #{self.id}")
- return messages
+ def distance(nearby_user)
+ return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
end
- def get_all_messages
- messages = Message.find(:all, :conditions => "to_user_id = #{self.id}")
- return messages
+ def is_friends_with?(new_friend)
+ self.friends.where(:friend_user_id => new_friend.id).exists?
end
- def is_friends_with?(new_friend)
- res = false
- @new_friend = new_friend
- self.friends.each do |friend|
- if friend.user_id == @new_friend.user_id
- return true
- end
+ ##
+ # returns true if a user is visible
+ def visible?
+ ["pending","active","confirmed"].include? self.status
+ end
+
+ ##
+ # returns true if a user is active
+ def active?
+ ["active","confirmed"].include? self.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 { |b| b.needs_view? }
+ end
+
+ ##
+ # delete a user - leave the account but purge most personal data
+ def delete
+ self.display_name = "user_#{self.id}"
+ self.description = ""
+ self.home_lat = nil
+ self.home_lon = nil
+ self.image = nil
+ self.email_valid = false
+ self.new_email = nil
+ self.openid_url = nil
+ self.status = "deleted"
+ self.save
+ end
+
+ ##
+ # return a spam score for a user
+ def spam_score
+ changeset_score = self.changesets.size * 50
+ trace_score = self.traces.size * 50
+ diary_entry_score = self.diary_entries.inject(0) { |s,e| s += e.body.spam_score }
+ diary_comment_score = self.diary_comments.inject(0) { |s,c| s += c.body.spam_score }
+
+ score = self.description.spam_score / 4.0
+ score += self.diary_entries.where("created_at > ?", 1.day.ago).count * 10
+ score += diary_entry_score / self.diary_entries.length if self.diary_entries.length > 0
+ score += diary_comment_score / self.diary_comments.length if self.diary_comments.length > 0
+ score -= changeset_score
+ score -= trace_score
+
+ return score.to_i
+ end
+
+ ##
+ # perform a spam check on a user
+ def spam_check
+ if status == "active" and spam_score > SPAM_THRESHOLD
+ update_column(:status, "suspended")
end
- return false
end
+ ##
+ # return an oauth access token for a specified application
+ def access_token(application_key)
+ return ClientApplication.find_by_key(application_key).access_token_for_user(self)
+ end
+
+private
+
+ def set_defaults
+ self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
+ self.description_format = "markdown" unless self.attribute_present?(:description_format)
+ 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
end
projects / rails.git / blobdiff