class User < ActiveRecord::Base
- has_many :traces
+ require 'xml/libxml'
+
+ has_many :traces, :conditions => { :visible => true }
+ has_many :diary_entries, :order => 'created_at DESC'
+ has_many :messages, :foreign_key => :to_user_id, :conditions => { :to_user_visible => true }, :order => 'sent_on DESC'
+ has_many :new_messages, :class_name => "Message", :foreign_key => :to_user_id, :conditions => { :to_user_visible => true, :message_read => false }, :order => 'sent_on DESC'
+ has_many :sent_messages, :class_name => "Message", :foreign_key => :from_user_id, :conditions => { :from_user_visible => true }, :order => 'sent_on DESC'
+ has_many :friends, :include => :befriendee, :conditions => ["users.visible = ?", true]
+ has_many :tokens, :class_name => "UserToken"
+ has_many :preferences, :class_name => "UserPreference"
+ has_many :changesets
+
+ has_many :client_applications
+ has_many :oauth_tokens, :class_name => "OauthToken", :order => "authorized_at desc", :include => [:client_application]
+
+ has_many :active_blocks, :class_name => "UserBlock", :conditions => ['user_blocks.ends_at > \'#{Time.now.getutc.xmlschema(5)}\' or user_blocks.needs_view']
+ has_many :roles, :class_name => "UserRole"
+
+ 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
+ validates_uniqueness_of :email
+ validates_length_of :pass_crypt, :within => 8..255
+ validates_length_of :display_name, :within => 3..255, :allow_nil => true
+ validates_length_of :email, :within => 6..255
+ validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
+ validates_format_of :display_name, :with => /^[^\/;.,?]*$/
+ 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
+
+ before_save :encrypt_password
+
+ file_column :image, :magick => { :geometry => "100x100>" }
+
+ def after_initialize
+ self.creation_time = Time.now.getutc unless self.attribute_present?(:creation_time)
+ end
+
+ def encrypt_password
+ if pass_crypt_confirmation
+ self.pass_salt = OSM::make_token(8)
+ self.pass_crypt = OSM::encrypt_password(pass_crypt, pass_salt)
+ end
+ end
+
+ def self.authenticate(options)
+ if options[:username] and options[:password]
+ user = find(:first, :conditions => ["email = ? OR display_name = ?", options[:username], options[:username]])
+ user = nil if user and user.pass_crypt != OSM::encrypt_password(options[:password], user.pass_salt)
+ elsif options[:token]
+ token = UserToken.find(:first, :include => :user, :conditions => ["user_tokens.token = ?", options[:token]])
+ user = token.user if token
+ end
+
+ if user
+ user = nil unless user.visible? and (user.active? or options[:inactive])
+ end
+
+ token.update_attribute(:expiry, 1.week.from_now) if token and user
+
+ return user
+ end
+
+ def to_xml
+ doc = OSM::API.new.get_xml_doc
+ doc.root << to_xml_node()
+ return doc
+ end
+
+ def to_xml_node
+ 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 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.find(:first, :conditions => { :code => l }) }
+ end
+
+ def preferred_language_from(array)
+ (languages & array.collect { |i| i.to_s }).first
+ end
+
+ def nearby(radius = 50, num = 10)
+ 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.find(:all,
+ :conditions => ["id != ? AND visible = ? AND data_public = ? AND #{sql_for_distance} <= ?", id, true, true, radius], :order => sql_for_distance, :limit => num)
+ else
+ nearby = []
+ end
+ return nearby
+ end
+
+ 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 is_friends_with?(new_friend)
+ res = false
+ @new_friend = new_friend
+ self.friends.each do |friend|
+ if friend.friend_user_id == @new_friend.id
+ return true
+ end
+ end
+ return false
+ 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
+ active_blocks.detect { |b| b.needs_view? }
+ end
+
+ def delete
+ self.active = false
+ 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.visible = false
+ self.save
+ end
+
end
projects / rails.git / blobdiff