126 lines
4.4 KiB
Ruby
126 lines
4.4 KiB
Ruby
class User < ActiveRecord::Base
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require 'xml/libxml'
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has_many :traces
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has_many :diary_entries, :order => 'created_at DESC'
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has_many :messages, :foreign_key => :to_user_id, :order => 'sent_on DESC'
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has_many :new_messages, :class_name => "Message", :foreign_key => :to_user_id, :conditions => {:message_read => false}, :order => 'sent_on DESC'
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has_many :sent_messages, :class_name => "Message", :foreign_key => :from_user_id, :order => 'sent_on DESC'
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has_many :friends, :include => :befriendee, :conditions => ["users.visible = ?", true]
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has_many :tokens, :class_name => "UserToken"
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has_many :preferences, :class_name => "UserPreference"
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has_many :changesets
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validates_presence_of :email, :display_name
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validates_confirmation_of :email, :message => 'Email addresses must match'
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validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
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validates_uniqueness_of :display_name, :allow_nil => true
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validates_uniqueness_of :email
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validates_length_of :pass_crypt, :within => 8..255
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validates_length_of :display_name, :within => 3..255, :allow_nil => true
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validates_length_of :email, :within => 6..255
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validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
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validates_format_of :display_name, :with => /^[^\/;.,?]*$/
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validates_numericality_of :home_lat, :allow_nil => true
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validates_numericality_of :home_lon, :allow_nil => true
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validates_numericality_of :home_zoom, :only_integer => true, :allow_nil => true
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before_save :encrypt_password
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file_column :image, :magick => { :geometry => "100x100>" }
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def after_initialize
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self.creation_time = Time.now.getutc if self.creation_time.nil?
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end
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def encrypt_password
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if pass_crypt_confirmation
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self.pass_salt = OSM::make_token(8)
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self.pass_crypt = OSM::encrypt_password(pass_crypt, pass_salt)
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end
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end
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def self.authenticate(options)
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if options[:username] and options[:password]
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user = find(:first, :conditions => ["email = ? OR display_name = ?", options[:username], options[:username]])
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user = nil if user and user.pass_crypt != OSM::encrypt_password(options[:password], user.pass_salt)
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elsif options[:token]
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token = UserToken.find(:first, :include => :user, :conditions => ["user_tokens.token = ?", options[:token]])
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user = token.user if token
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end
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if user
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user = nil unless user.visible? and (user.active? or options[:inactive])
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end
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token.update_attribute(:expiry, 1.week.from_now) if token and user
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return user
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end
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def to_xml
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doc = OSM::API.new.get_xml_doc
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doc.root << to_xml_node()
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return doc
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end
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def to_xml_node
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el1 = XML::Node.new 'user'
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el1['display_name'] = self.display_name.to_s
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el1['account_created'] = self.creation_time.xmlschema
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if self.home_lat and self.home_lon
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home = XML::Node.new 'home'
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home['lat'] = self.home_lat.to_s
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home['lon'] = self.home_lon.to_s
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home['zoom'] = self.home_zoom.to_s
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el1 << home
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end
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return el1
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end
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def nearby(radius = 50, num = 10)
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if self.home_lon and self.home_lat
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gc = OSM::GreatCircle.new(self.home_lat, self.home_lon)
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bounds = gc.bounds(radius)
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nearby = User.find(:all, :conditions => ["visible = ? and home_lat between #{bounds[:minlat]} and #{bounds[:maxlat]} and home_lon between #{bounds[:minlon]} and #{bounds[:maxlon]} and data_public = ? and id != #{self.id}", true, true])
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nearby.delete_if { |u| gc.distance(u.home_lat, u.home_lon) > radius }
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nearby.sort! { |u1,u2| gc.distance(u1.home_lat, u1.home_lon) <=> gc.distance(u2.home_lat, u2.home_lon) }
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else
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nearby = []
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end
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return nearby.first(num)
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end
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def distance(nearby_user)
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return OSM::GreatCircle.new(self.home_lat, self.home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
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end
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def is_friends_with?(new_friend)
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res = false
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@new_friend = new_friend
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self.friends.each do |friend|
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if friend.friend_user_id == @new_friend.id
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return true
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end
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end
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return false
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end
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def trace_public_default
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return self.preferences.find(:first, :conditions => {:k => "gps.trace.public", :v => "default"})
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end
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def delete
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self.active = false
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self.display_name = "user_#{self.id}"
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self.description = ""
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self.home_lat = nil
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self.home_lon = nil
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self.image = nil
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self.email_valid = false
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self.new_email = nil
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self.visible = false
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self.save
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end
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end
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